diff --git a/src/app/current-accounts/current-account-stepper/current-account-currency-step/current-account-currency-step.component.html b/src/app/current-accounts/current-account-stepper/current-account-currency-step/current-account-currency-step.component.html
index cf07e419f..343fe2e78 100644
--- a/src/app/current-accounts/current-account-stepper/current-account-currency-step/current-account-currency-step.component.html
+++ b/src/app/current-accounts/current-account-stepper/current-account-currency-step/current-account-currency-step.component.html
@@ -123,7 +123,12 @@
               <button type="button" class="nom-cancel-btn" (click)="showNomineeForm = false; nomineeError = ''">
                 Cancel
               </button>
-              <button type="button" class="nom-confirm-btn" (click)="addNominee()">
+              <button
+                type="button"
+                class="nom-confirm-btn"
+                [disabled]="!nomineeFormComp?.isValid"
+                (click)="addNominee()"
+              >
                 <i class="fas fa-plus"></i> Add
               </button>
             </div>
diff --git a/src/app/current-accounts/current-account-stepper/current-account-currency-step/current-account-currency-step.component.ts b/src/app/current-accounts/current-account-stepper/current-account-currency-step/current-account-currency-step.component.ts
index 6c1ee80de..4cf81f5a9 100644
--- a/src/app/current-accounts/current-account-stepper/current-account-currency-step/current-account-currency-step.component.ts
+++ b/src/app/current-accounts/current-account-stepper/current-account-currency-step/current-account-currency-step.component.ts
@@ -83,6 +83,10 @@ export class CurrentAccountCurrencyStepComponent implements OnChanges {
         return;
       }
     }
+    if (!data.percentageShare || data.percentageShare < 1) {
+      this.nomineeError = 'Share must be at least 1%.';
+      return;
+    }
     const newTotal = this.totalShare + (+data.percentageShare || 0);
     if (newTotal > 100) {
       this.nomineeError = `Total share cannot exceed 100%. Remaining: ${this.remainingShare}%`;
diff --git a/src/app/current-accounts/current-account-stepper/current-account-details-step/current-account-details-step.component.html b/src/app/current-accounts/current-account-stepper/current-account-details-step/current-account-details-step.component.html
index 284d49784..798a94250 100644
--- a/src/app/current-accounts/current-account-stepper/current-account-details-step/current-account-details-step.component.html
+++ b/src/app/current-accounts/current-account-stepper/current-account-details-step/current-account-details-step.component.html
@@ -301,13 +301,18 @@
                     <input
                       class="soa-pct-input"
                       type="number"
-                      min="0"
+                      min="1"
                       max="100"
                       [(ngModel)]="primaryHolderShare"
                       [ngModelOptions]="{ standalone: true }"
                       placeholder="0"
+                      (input)="onPrimaryShareInput($event)"
+                      (blur)="onPrimaryShareBlur($event)"
                     />
                     <span class="soa-pct-unit">%</span>
+                    @if (primaryHolderShare !== null && primaryHolderShare !== undefined && primaryHolderShare < 1) {
+                      <div class="soa-pct-error">Min 1%</div>
+                    }
                   </td>
                   <td class="soa-td soa-td--center">
                     <span class="soa-sign-toggle soa-sign-toggle--mandatory">
@@ -370,8 +375,8 @@
                   <td class="soa-td soa-td--center">
                     <span
                       class="soa-pct-badge"
-                      [class.soa-pct-badge--ok]="totalJointSharePercentage === 100"
-                      [class.soa-pct-badge--warn]="totalJointSharePercentage !== 100"
+                      [class.soa-pct-badge--ok]="isJointOwnershipValid"
+                      [class.soa-pct-badge--warn]="!isJointOwnershipValid"
                     >
                       {{ totalJointSharePercentage }}%
                     </span>
@@ -395,10 +400,14 @@
             </div>
           }
 
-          @if (totalJointSharePercentage !== 100) {
+          @if (!isJointOwnershipValid) {
             <div class="soa-alert soa-alert--warn" style="margin-top: 8px">
               <mat-icon>warning_amber</mat-icon>
-              Total ownership is {{ totalJointSharePercentage }}%. It must equal 100%.
+              @if (totalJointSharePercentage !== 100) {
+                Total ownership is {{ totalJointSharePercentage }}%. It must equal 100%.
+              } @else {
+                Each holder must have at least 1% ownership share.
+              }
             </div>
           } @else {
             <div class="soa-alert soa-alert--ok" style="margin-top: 8px">
diff --git a/src/app/current-accounts/current-account-stepper/current-account-details-step/current-account-details-step.component.scss b/src/app/current-accounts/current-account-stepper/current-account-details-step/current-account-details-step.component.scss
index 859832e06..e20b2721d 100644
--- a/src/app/current-accounts/current-account-stepper/current-account-details-step/current-account-details-step.component.scss
+++ b/src/app/current-accounts/current-account-stepper/current-account-details-step/current-account-details-step.component.scss
@@ -1118,6 +1118,12 @@ $ni-bg: #f9fafb;
   margin-left: 2px;
 }
 
+.soa-pct-error {
+  font-size: 11px;
+  color: #ef4444;
+  margin-top: 2px;
+}
+
 .soa-no-action {
   color: #cbd5e1;
   font-size: 16px;
diff --git a/src/app/current-accounts/current-account-stepper/current-account-details-step/current-account-details-step.component.ts b/src/app/current-accounts/current-account-stepper/current-account-details-step/current-account-details-step.component.ts
index 6a8787230..63994c088 100644
--- a/src/app/current-accounts/current-account-stepper/current-account-details-step/current-account-details-step.component.ts
+++ b/src/app/current-accounts/current-account-stepper/current-account-details-step/current-account-details-step.component.ts
@@ -99,7 +99,7 @@ export class CurrentAccountDetailsStepComponent implements OnInit {
   primaryClientName = '';
   primaryClientCif = '';
   primaryClientId: number | null = null;
-  primaryHolderShare = 0;
+  primaryHolderShare = 50;
 
   // ── Status of Account (RBI) ────────────────────────────────────────────
   readonly accountStatusOptions = [
@@ -412,6 +412,53 @@ export class CurrentAccountDetailsStepComponent implements OnInit {
     return (this.primaryHolderShare || 0) + this.jointHolders.reduce((sum, h) => sum + (h.sharePercentage || 0), 0);
   }
 
+  onPrimaryShareInput(event: Event): void {
+    const input = event.target as HTMLInputElement;
+    let val = +input.value;
+    if (val > 100) {
+      val = 100;
+      input.value = '100';
+    }
+    this.primaryHolderShare = val;
+    if (val >= 1) this.redistributeCoHolders();
+  }
+
+  onPrimaryShareBlur(event: Event): void {
+    const input = event.target as HTMLInputElement;
+    let val = +input.value;
+    if (!val || val < 1) {
+      val = 1;
+      input.value = '1';
+      this.primaryHolderShare = 1;
+      this.redistributeCoHolders();
+    }
+  }
+
+  private redistributeCoHolders(): void {
+    if (this.jointHolders.length === 0) return;
+    const remaining = 100 - this.primaryHolderShare;
+    const totalCo = this.jointHolders.reduce((sum, h) => sum + (h.sharePercentage || 0), 0);
+    if (totalCo === 0) return;
+    let allocated = 0;
+    this.jointHolders.forEach((h, i) => {
+      if (i === this.jointHolders.length - 1) {
+        h.sharePercentage = Math.max(0, remaining - allocated);
+      } else {
+        const share = Math.round((h.sharePercentage / totalCo) * remaining);
+        h.sharePercentage = Math.max(0, share);
+        allocated += h.sharePercentage;
+      }
+    });
+  }
+
+  get isJointOwnershipValid(): boolean {
+    return (
+      this.totalJointSharePercentage === 100 &&
+      this.primaryHolderShare >= 1 &&
+      this.jointHolders.every((h) => h.sharePercentage >= 1)
+    );
+  }
+
   get mandatoryJointCount(): number {
     return this.jointHolders.filter((h) => h.isMandatory).length;
   }
diff --git a/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-currency-step/fixed-deposit-account-currency-step.component.html b/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-currency-step/fixed-deposit-account-currency-step.component.html
index 459161453..095dc5a02 100644
--- a/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-currency-step/fixed-deposit-account-currency-step.component.html
+++ b/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-currency-step/fixed-deposit-account-currency-step.component.html
@@ -108,7 +108,12 @@
               <button type="button" class="nom-cancel-btn" (click)="showNomineeForm = false; nomineeError = ''">
                 Cancel
               </button>
-              <button type="button" class="nom-confirm-btn" (click)="addNominee()">
+              <button
+                type="button"
+                class="nom-confirm-btn"
+                [disabled]="!nomineeFormComp?.isValid"
+                (click)="addNominee()"
+              >
                 <i class="fas fa-plus"></i> Add
               </button>
             </div>
diff --git a/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-currency-step/fixed-deposit-account-currency-step.component.ts b/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-currency-step/fixed-deposit-account-currency-step.component.ts
index 3c7fbb142..7bd2ffca1 100644
--- a/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-currency-step/fixed-deposit-account-currency-step.component.ts
+++ b/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-currency-step/fixed-deposit-account-currency-step.component.ts
@@ -80,6 +80,10 @@ export class FixedDepositAccountCurrencyStepComponent implements OnChanges {
         return;
       }
     }
+    if (!data.percentageShare || data.percentageShare < 1) {
+      this.nomineeError = 'Share must be at least 1%.';
+      return;
+    }
     const newTotal = this.totalShare + (+data.percentageShare || 0);
     if (newTotal > 100) {
       this.nomineeError = `Total share cannot exceed 100%. Remaining: ${this.remainingShare}%`;
diff --git a/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-details-step/fixed-deposit-account-details-step.component.html b/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-details-step/fixed-deposit-account-details-step.component.html
index be608125a..dc49e8bd7 100644
--- a/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-details-step/fixed-deposit-account-details-step.component.html
+++ b/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-details-step/fixed-deposit-account-details-step.component.html
@@ -411,13 +411,18 @@
                     <input
                       class="soa-pct-input"
                       type="number"
-                      min="0"
+                      min="1"
                       max="100"
                       [(ngModel)]="primaryHolderShare"
                       [ngModelOptions]="{ standalone: true }"
                       placeholder="0"
+                      (input)="onPrimaryShareInput($event)"
+                      (blur)="onPrimaryShareBlur($event)"
                     />
                     <span class="soa-pct-unit">%</span>
+                    @if (primaryHolderShare !== null && primaryHolderShare !== undefined && primaryHolderShare < 1) {
+                      <div class="soa-pct-error">Min 1%</div>
+                    }
                   </td>
                   <td class="soa-td soa-td--center">
                     <span class="soa-sign-toggle soa-sign-toggle--mandatory">
@@ -479,8 +484,8 @@
                   <td class="soa-td soa-td--center">
                     <span
                       class="soa-pct-badge"
-                      [class.soa-pct-badge--ok]="totalJointSharePercentage === 100"
-                      [class.soa-pct-badge--warn]="totalJointSharePercentage !== 100"
+                      [class.soa-pct-badge--ok]="isJointOwnershipValid"
+                      [class.soa-pct-badge--warn]="!isJointOwnershipValid"
                     >
                       {{ totalJointSharePercentage }}%
                     </span>
@@ -504,10 +509,14 @@
             </div>
           }
 
-          @if (totalJointSharePercentage !== 100) {
+          @if (!isJointOwnershipValid) {
             <div class="soa-alert soa-alert--warn" style="margin-top: 8px">
               <mat-icon>warning_amber</mat-icon>
-              Total ownership is {{ totalJointSharePercentage }}%. It must equal 100%.
+              @if (totalJointSharePercentage !== 100) {
+                Total ownership is {{ totalJointSharePercentage }}%. It must equal 100%.
+              } @else {
+                Each holder must have at least 1% ownership share.
+              }
             </div>
           } @else {
             <div class="soa-alert soa-alert--ok" style="margin-top: 8px">
diff --git a/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-details-step/fixed-deposit-account-details-step.component.scss b/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-details-step/fixed-deposit-account-details-step.component.scss
index c64960323..f78fa7fce 100644
--- a/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-details-step/fixed-deposit-account-details-step.component.scss
+++ b/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-details-step/fixed-deposit-account-details-step.component.scss
@@ -1033,6 +1033,12 @@ $gray-900: #202124;
   margin-left: 3px;
 }
 
+.soa-pct-error {
+  font-size: 11px;
+  color: #ef4444;
+  margin-top: 2px;
+}
+
 .soa-pct-badge {
   display: inline-flex;
   padding: 2px 8px;
diff --git a/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-details-step/fixed-deposit-account-details-step.component.ts b/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-details-step/fixed-deposit-account-details-step.component.ts
index c6e23c9f4..21b6b7435 100644
--- a/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-details-step/fixed-deposit-account-details-step.component.ts
+++ b/src/app/deposits/fixed-deposits/fixed-deposit-account-stepper/fixed-deposit-account-details-step/fixed-deposit-account-details-step.component.ts
@@ -99,7 +99,7 @@ export class FixedDepositAccountDetailsStepComponent implements OnInit {
   primaryClientName = '';
   primaryClientCif = '';
   primaryClientId: number | null = null;
-  primaryHolderShare = 0;
+  primaryHolderShare = 50;
 
   // ── Status of Account (RBI) ────────────────────────────────────────────
   readonly accountStatusOptions = [
@@ -528,6 +528,53 @@ export class FixedDepositAccountDetailsStepComponent implements OnInit {
     return (this.primaryHolderShare || 0) + this.jointHolders.reduce((sum, h) => sum + (h.sharePercentage || 0), 0);
   }
 
+  onPrimaryShareInput(event: Event): void {
+    const input = event.target as HTMLInputElement;
+    let val = +input.value;
+    if (val > 100) {
+      val = 100;
+      input.value = '100';
+    }
+    this.primaryHolderShare = val;
+    if (val >= 1) this.redistributeCoHolders();
+  }
+
+  onPrimaryShareBlur(event: Event): void {
+    const input = event.target as HTMLInputElement;
+    let val = +input.value;
+    if (!val || val < 1) {
+      val = 1;
+      input.value = '1';
+      this.primaryHolderShare = 1;
+      this.redistributeCoHolders();
+    }
+  }
+
+  private redistributeCoHolders(): void {
+    if (this.jointHolders.length === 0) return;
+    const remaining = 100 - this.primaryHolderShare;
+    const totalCo = this.jointHolders.reduce((sum, h) => sum + (h.sharePercentage || 0), 0);
+    if (totalCo === 0) return;
+    let allocated = 0;
+    this.jointHolders.forEach((h, i) => {
+      if (i === this.jointHolders.length - 1) {
+        h.sharePercentage = Math.max(0, remaining - allocated);
+      } else {
+        const share = Math.round((h.sharePercentage / totalCo) * remaining);
+        h.sharePercentage = Math.max(0, share);
+        allocated += h.sharePercentage;
+      }
+    });
+  }
+
+  get isJointOwnershipValid(): boolean {
+    return (
+      this.totalJointSharePercentage === 100 &&
+      this.primaryHolderShare >= 1 &&
+      this.jointHolders.every((h) => h.sharePercentage >= 1)
+    );
+  }
+
   get mandatoryJointCount(): number {
     return this.jointHolders.filter((h) => h.isMandatory).length;
   }
diff --git a/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-currency-step/recurring-deposits-account-currency-step.component.html b/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-currency-step/recurring-deposits-account-currency-step.component.html
index a10155424..37228451c 100644
--- a/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-currency-step/recurring-deposits-account-currency-step.component.html
+++ b/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-currency-step/recurring-deposits-account-currency-step.component.html
@@ -110,7 +110,12 @@
               <button type="button" class="nom-cancel-btn" (click)="showNomineeForm = false; nomineeError = ''">
                 Cancel
               </button>
-              <button type="button" class="nom-confirm-btn" (click)="addNominee()">
+              <button
+                type="button"
+                class="nom-confirm-btn"
+                [disabled]="!nomineeFormComp?.isValid"
+                (click)="addNominee()"
+              >
                 <i class="fas fa-plus"></i> Add
               </button>
             </div>
diff --git a/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-currency-step/recurring-deposits-account-currency-step.component.ts b/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-currency-step/recurring-deposits-account-currency-step.component.ts
index 7efb8a4af..8ca90813f 100644
--- a/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-currency-step/recurring-deposits-account-currency-step.component.ts
+++ b/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-currency-step/recurring-deposits-account-currency-step.component.ts
@@ -78,6 +78,10 @@ export class RecurringDepositsAccountCurrencyStepComponent implements OnChanges
         return;
       }
     }
+    if (!data.percentageShare || data.percentageShare < 1) {
+      this.nomineeError = 'Share must be at least 1%.';
+      return;
+    }
     const newTotal = this.totalShare + (+data.percentageShare || 0);
     if (newTotal > 100) {
       this.nomineeError = `Total share cannot exceed 100%. Remaining: ${this.remainingShare}%`;
diff --git a/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-details-step/recurring-deposits-account-details-step.component.html b/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-details-step/recurring-deposits-account-details-step.component.html
index 875ffc7b5..ee854d2ac 100644
--- a/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-details-step/recurring-deposits-account-details-step.component.html
+++ b/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-details-step/recurring-deposits-account-details-step.component.html
@@ -406,13 +406,18 @@
                     <input
                       class="soa-pct-input"
                       type="number"
-                      min="0"
+                      min="1"
                       max="100"
                       [(ngModel)]="primaryHolderShare"
                       [ngModelOptions]="{ standalone: true }"
                       placeholder="0"
+                      (input)="onPrimaryShareInput($event)"
+                      (blur)="onPrimaryShareBlur($event)"
                     />
                     <span class="soa-pct-unit">%</span>
+                    @if (primaryHolderShare !== null && primaryHolderShare !== undefined && primaryHolderShare < 1) {
+                      <div class="soa-pct-error">Min 1%</div>
+                    }
                   </td>
                   <td class="soa-td soa-td--center">
                     <span class="soa-sign-toggle soa-sign-toggle--mandatory">
@@ -474,8 +479,8 @@
                   <td class="soa-td soa-td--center">
                     <span
                       class="soa-pct-badge"
-                      [class.soa-pct-badge--ok]="totalJointSharePercentage === 100"
-                      [class.soa-pct-badge--warn]="totalJointSharePercentage !== 100"
+                      [class.soa-pct-badge--ok]="isJointOwnershipValid"
+                      [class.soa-pct-badge--warn]="!isJointOwnershipValid"
                     >
                       {{ totalJointSharePercentage }}%
                     </span>
@@ -499,10 +504,14 @@
             </div>
           }
 
-          @if (totalJointSharePercentage !== 100) {
+          @if (!isJointOwnershipValid) {
             <div class="soa-alert soa-alert--warn" style="margin-top: 8px">
               <mat-icon>warning_amber</mat-icon>
-              Total ownership is {{ totalJointSharePercentage }}%. It must equal 100%.
+              @if (totalJointSharePercentage !== 100) {
+                Total ownership is {{ totalJointSharePercentage }}%. It must equal 100%.
+              } @else {
+                Each holder must have at least 1% ownership share.
+              }
             </div>
           } @else {
             <div class="soa-alert soa-alert--ok" style="margin-top: 8px">
diff --git a/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-details-step/recurring-deposits-account-details-step.component.scss b/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-details-step/recurring-deposits-account-details-step.component.scss
index 116518005..b6e1a6c0d 100644
--- a/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-details-step/recurring-deposits-account-details-step.component.scss
+++ b/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-details-step/recurring-deposits-account-details-step.component.scss
@@ -985,6 +985,12 @@ $gray-900: #202124;
   margin-left: 2px;
 }
 
+.soa-pct-error {
+  font-size: 11px;
+  color: #ef4444;
+  margin-top: 2px;
+}
+
 .soa-no-action {
   color: #cbd5e1;
   font-size: 16px;
diff --git a/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-details-step/recurring-deposits-account-details-step.component.ts b/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-details-step/recurring-deposits-account-details-step.component.ts
index 258c03b39..18d37b66a 100644
--- a/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-details-step/recurring-deposits-account-details-step.component.ts
+++ b/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-details-step/recurring-deposits-account-details-step.component.ts
@@ -88,7 +88,7 @@ export class RecurringDepositsAccountDetailsStepComponent implements OnInit {
   primaryClientName = '';
   primaryClientCif = '';
   primaryClientId: number | null = null;
-  primaryHolderShare = 0;
+  primaryHolderShare = 50;
 
   // ── Status of Account (RBI) ────────────────────────────────────────────
   readonly accountStatusOptions = [
@@ -485,6 +485,53 @@ export class RecurringDepositsAccountDetailsStepComponent implements OnInit {
     return (this.primaryHolderShare || 0) + this.jointHolders.reduce((sum, h) => sum + (h.sharePercentage || 0), 0);
   }
 
+  onPrimaryShareInput(event: Event): void {
+    const input = event.target as HTMLInputElement;
+    let val = +input.value;
+    if (val > 100) {
+      val = 100;
+      input.value = '100';
+    }
+    this.primaryHolderShare = val;
+    if (val >= 1) this.redistributeCoHolders();
+  }
+
+  onPrimaryShareBlur(event: Event): void {
+    const input = event.target as HTMLInputElement;
+    let val = +input.value;
+    if (!val || val < 1) {
+      val = 1;
+      input.value = '1';
+      this.primaryHolderShare = 1;
+      this.redistributeCoHolders();
+    }
+  }
+
+  private redistributeCoHolders(): void {
+    if (this.jointHolders.length === 0) return;
+    const remaining = 100 - this.primaryHolderShare;
+    const totalCo = this.jointHolders.reduce((sum, h) => sum + (h.sharePercentage || 0), 0);
+    if (totalCo === 0) return;
+    let allocated = 0;
+    this.jointHolders.forEach((h, i) => {
+      if (i === this.jointHolders.length - 1) {
+        h.sharePercentage = Math.max(0, remaining - allocated);
+      } else {
+        const share = Math.round((h.sharePercentage / totalCo) * remaining);
+        h.sharePercentage = Math.max(0, share);
+        allocated += h.sharePercentage;
+      }
+    });
+  }
+
+  get isJointOwnershipValid(): boolean {
+    return (
+      this.totalJointSharePercentage === 100 &&
+      this.primaryHolderShare >= 1 &&
+      this.jointHolders.every((h) => h.sharePercentage >= 1)
+    );
+  }
+
   get mandatoryJointCount(): number {
     return this.jointHolders.filter((h) => h.isMandatory).length;
   }
diff --git a/src/app/savings/savings-account-stepper/savings-account-currency-step/savings-account-currency-step.component.html b/src/app/savings/savings-account-stepper/savings-account-currency-step/savings-account-currency-step.component.html
index 34db80a41..fd171a692 100644
--- a/src/app/savings/savings-account-stepper/savings-account-currency-step/savings-account-currency-step.component.html
+++ b/src/app/savings/savings-account-stepper/savings-account-currency-step/savings-account-currency-step.component.html
@@ -104,7 +104,12 @@
               <button type="button" class="nom-cancel-btn" (click)="showNomineeForm = false; nomineeError = ''">
                 Cancel
               </button>
-              <button type="button" class="nom-confirm-btn" (click)="addNominee()">
+              <button
+                type="button"
+                class="nom-confirm-btn"
+                [disabled]="!nomineeFormComp?.isValid"
+                (click)="addNominee()"
+              >
                 <i class="fas fa-plus"></i> Add
               </button>
             </div>
diff --git a/src/app/savings/savings-account-stepper/savings-account-currency-step/savings-account-currency-step.component.ts b/src/app/savings/savings-account-stepper/savings-account-currency-step/savings-account-currency-step.component.ts
index 0b6005861..8ba58f1a6 100644
--- a/src/app/savings/savings-account-stepper/savings-account-currency-step/savings-account-currency-step.component.ts
+++ b/src/app/savings/savings-account-stepper/savings-account-currency-step/savings-account-currency-step.component.ts
@@ -65,6 +65,10 @@ export class SavingsAccountCurrencyStepComponent {
         return;
       }
     }
+    if (!data.percentageShare || data.percentageShare < 1) {
+      this.nomineeError = 'Share must be at least 1%.';
+      return;
+    }
     const newTotal = this.totalShare + (+data.percentageShare || 0);
     if (newTotal > 100) {
       this.nomineeError = `Total share cannot exceed 100%. Remaining: ${this.remainingShare}%`;
diff --git a/src/app/savings/savings-account-stepper/savings-account-details-step/savings-account-details-step.component.html b/src/app/savings/savings-account-stepper/savings-account-details-step/savings-account-details-step.component.html
index 0ed525221..89fa66639 100644
--- a/src/app/savings/savings-account-stepper/savings-account-details-step/savings-account-details-step.component.html
+++ b/src/app/savings/savings-account-stepper/savings-account-details-step/savings-account-details-step.component.html
@@ -261,13 +261,18 @@
                     <input
                       class="soa-pct-input"
                       type="number"
-                      min="0"
+                      min="1"
                       max="100"
                       [(ngModel)]="primaryHolderShare"
                       [ngModelOptions]="{ standalone: true }"
                       placeholder="0"
+                      (input)="onPrimaryShareInput($event)"
+                      (blur)="onPrimaryShareBlur($event)"
                     />
                     <span class="soa-pct-unit">%</span>
+                    @if (primaryHolderShare !== null && primaryHolderShare !== undefined && primaryHolderShare < 1) {
+                      <div class="soa-pct-error">Min 1%</div>
+                    }
                   </td>
                   <td class="soa-td soa-td--center">
                     <span class="soa-sign-toggle soa-sign-toggle--mandatory">
@@ -332,8 +337,8 @@
                   <td class="soa-td soa-td--center">
                     <span
                       class="soa-pct-badge"
-                      [class.soa-pct-badge--ok]="totalJointSharePercentage === 100"
-                      [class.soa-pct-badge--warn]="totalJointSharePercentage !== 100"
+                      [class.soa-pct-badge--ok]="isJointOwnershipValid"
+                      [class.soa-pct-badge--warn]="!isJointOwnershipValid"
                     >
                       {{ totalJointSharePercentage }}%
                     </span>
@@ -357,10 +362,14 @@
             </div>
           }
 
-          @if (totalJointSharePercentage !== 100) {
+          @if (!isJointOwnershipValid) {
             <div class="soa-alert soa-alert--warn" style="margin-top: 8px">
               <mat-icon>warning_amber</mat-icon>
-              Total ownership is {{ totalJointSharePercentage }}%. It must equal 100%.
+              @if (totalJointSharePercentage !== 100) {
+                Total ownership is {{ totalJointSharePercentage }}%. It must equal 100%.
+              } @else {
+                Each holder must have at least 1% ownership share.
+              }
             </div>
           } @else {
             <div class="soa-alert soa-alert--ok" style="margin-top: 8px">
diff --git a/src/app/savings/savings-account-stepper/savings-account-details-step/savings-account-details-step.component.scss b/src/app/savings/savings-account-stepper/savings-account-details-step/savings-account-details-step.component.scss
index ff42ba281..f600fd51d 100644
--- a/src/app/savings/savings-account-stepper/savings-account-details-step/savings-account-details-step.component.scss
+++ b/src/app/savings/savings-account-stepper/savings-account-details-step/savings-account-details-step.component.scss
@@ -514,6 +514,12 @@ $gray-900: #202124;
   margin-left: 2px;
 }
 
+.soa-pct-error {
+  font-size: 11px;
+  color: #ef4444;
+  margin-top: 2px;
+}
+
 .soa-no-action {
   color: #cbd5e1;
   font-size: 16px;
diff --git a/src/app/savings/savings-account-stepper/savings-account-details-step/savings-account-details-step.component.ts b/src/app/savings/savings-account-stepper/savings-account-details-step/savings-account-details-step.component.ts
index a8182a518..55fb52cce 100644
--- a/src/app/savings/savings-account-stepper/savings-account-details-step/savings-account-details-step.component.ts
+++ b/src/app/savings/savings-account-stepper/savings-account-details-step/savings-account-details-step.component.ts
@@ -81,7 +81,7 @@ export class SavingsAccountDetailsStepComponent implements OnInit {
   primaryClientName = '';
   primaryClientCif = '';
   primaryClientId: number | null = null;
-  primaryHolderShare = 0;
+  primaryHolderShare = 50;
   /** Best-effort string label of the client's entity type
    *  (e.g. "Individual", "Corporate", "MSME") — used to auto-fill the
    *  Customer Segment dropdown when the product template lands. */
@@ -428,6 +428,53 @@ export class SavingsAccountDetailsStepComponent implements OnInit {
     return (this.primaryHolderShare || 0) + this.jointHolders.reduce((sum, h) => sum + (h.sharePercentage || 0), 0);
   }
 
+  onPrimaryShareInput(event: Event): void {
+    const input = event.target as HTMLInputElement;
+    let val = +input.value;
+    if (val > 100) {
+      val = 100;
+      input.value = '100';
+    }
+    this.primaryHolderShare = val;
+    if (val >= 1) this.redistributeCoHolders();
+  }
+
+  onPrimaryShareBlur(event: Event): void {
+    const input = event.target as HTMLInputElement;
+    let val = +input.value;
+    if (!val || val < 1) {
+      val = 1;
+      input.value = '1';
+      this.primaryHolderShare = 1;
+      this.redistributeCoHolders();
+    }
+  }
+
+  private redistributeCoHolders(): void {
+    if (this.jointHolders.length === 0) return;
+    const remaining = 100 - this.primaryHolderShare;
+    const totalCo = this.jointHolders.reduce((sum, h) => sum + (h.sharePercentage || 0), 0);
+    if (totalCo === 0) return;
+    let allocated = 0;
+    this.jointHolders.forEach((h, i) => {
+      if (i === this.jointHolders.length - 1) {
+        h.sharePercentage = Math.max(0, remaining - allocated);
+      } else {
+        const share = Math.round((h.sharePercentage / totalCo) * remaining);
+        h.sharePercentage = Math.max(0, share);
+        allocated += h.sharePercentage;
+      }
+    });
+  }
+
+  get isJointOwnershipValid(): boolean {
+    return (
+      this.totalJointSharePercentage === 100 &&
+      this.primaryHolderShare >= 1 &&
+      this.jointHolders.every((h) => h.sharePercentage >= 1)
+    );
+  }
+
   get mandatoryJointCount(): number {
     return this.jointHolders.filter((h) => h.isMandatory).length;
   }
diff --git a/src/app/shared/account-nominees-tab/account-nominees-tab.component.html b/src/app/shared/account-nominees-tab/account-nominees-tab.component.html
index ab31deef4..a36df6205 100644
--- a/src/app/shared/account-nominees-tab/account-nominees-tab.component.html
+++ b/src/app/shared/account-nominees-tab/account-nominees-tab.component.html
@@ -143,7 +143,9 @@
               <mat-form-field appearance="outline" class="nom-edit-field nom-edit-field--sm">
                 <mat-label>Share %</mat-label>
                 <input matInput type="number" [(ngModel)]="editShare" min="1" [max]="maxShareForEdit(i)" />
-                @if (editShare && editShare > maxShareForEdit(i)) {
+                @if (editShare !== null && editShare !== undefined && editShare < 1) {
+                  <mat-error>Share must be at least 1%</mat-error>
+                } @else if (editShare && editShare > maxShareForEdit(i)) {
                   <mat-error>Max {{ maxShareForEdit(i) }}%</mat-error>
                 }
               </mat-form-field>
@@ -152,7 +154,7 @@
                 color="primary"
                 type="button"
                 class="nom-edit-save"
-                [disabled]="!editRelId || !editShare || editShare > maxShareForEdit(i)"
+                [disabled]="!editRelId || !editShare || editShare < 1 || editShare > maxShareForEdit(i)"
                 (click)="saveEdit(nominee, i)"
               >
                 <mat-icon>check</mat-icon>
@@ -317,7 +319,9 @@
               <mat-form-field appearance="outline" class="nom-field-item nom-field-item--sm">
                 <mat-label>Share %</mat-label>
                 <input matInput type="number" [(ngModel)]="nomineeShare" min="1" [max]="maxAllowedShare" />
-                @if (nomineeShare && nomineeShare > maxAllowedShare) {
+                @if (nomineeShare !== null && nomineeShare !== undefined && nomineeShare < 1) {
+                  <mat-error>Share must be at least 1%</mat-error>
+                } @else if (nomineeShare && nomineeShare > maxAllowedShare) {
                   <mat-error>Max {{ maxAllowedShare }}%</mat-error>
                 }
               </mat-form-field>
@@ -398,6 +402,7 @@
                 [disabled]="
                   !nomineeRelationshipId ||
                   !nomineeShare ||
+                  nomineeShare < 1 ||
                   nomineeSaving ||
                   nomineeShare > maxAllowedShare ||
                   (nomineeIsMinor && !selectedGuardian) ||
diff --git a/src/app/shared/account-nominees-tab/account-nominees-tab.component.ts b/src/app/shared/account-nominees-tab/account-nominees-tab.component.ts
index 1c1ace418..afbfccc59 100644
--- a/src/app/shared/account-nominees-tab/account-nominees-tab.component.ts
+++ b/src/app/shared/account-nominees-tab/account-nominees-tab.component.ts
@@ -351,7 +351,7 @@ export class AccountNomineesTabComponent implements OnInit {
   }
 
   saveNominee(): void {
-    if (!this.selectedClient || !this.nomineeRelationshipId || !this.nomineeShare) return;
+    if (!this.selectedClient || !this.nomineeRelationshipId || !this.nomineeShare || this.nomineeShare < 1) return;
     if (this.totalShare + this.nomineeShare > 100) return;
     if (this.guardianSameAsNominee) return;
 
@@ -429,7 +429,8 @@ export class AccountNomineesTabComponent implements OnInit {
   }
 
   saveEdit(nominee: any, index: number): void {
-    if (!this.editRelId || !this.editShare || this.editShare > this.maxShareForEdit(index)) return;
+    if (!this.editRelId || !this.editShare || this.editShare < 1 || this.editShare > this.maxShareForEdit(index))
+      return;
 
     const payload: any = {
       relationshipId: this.editRelId,
diff --git a/src/app/shared/nominee-form/nominee-form.component.html b/src/app/shared/nominee-form/nominee-form.component.html
index 48583fa00..a8c004134 100644
--- a/src/app/shared/nominee-form/nominee-form.component.html
+++ b/src/app/shared/nominee-form/nominee-form.component.html
@@ -162,8 +162,12 @@
           <mat-form-field appearance="outline" class="nom-field-item nom-field-item--sm">
             <mat-label>Share %</mat-label>
             <input matInput type="number" [(ngModel)]="percentageShare" min="1" max="100" />
-            @if (percentageShare && (percentageShare < 1 || percentageShare > 100)) {
-              <mat-error>1–100</mat-error>
+            @if (
+              percentageShare !== null &&
+              percentageShare !== undefined &&
+              (percentageShare < 1 || percentageShare > 100)
+            ) {
+              <mat-error>Share must be 1–100%</mat-error>
             }
           </mat-form-field>
 
diff --git a/src/app/tasks/checker-inbox-and-tasks-tabs/pending-account/pending-account.component.ts b/src/app/tasks/checker-inbox-and-tasks-tabs/pending-account/pending-account.component.ts
index fde54a567..bc8336ae0 100644
--- a/src/app/tasks/checker-inbox-and-tasks-tabs/pending-account/pending-account.component.ts
+++ b/src/app/tasks/checker-inbox-and-tasks-tabs/pending-account/pending-account.component.ts
@@ -166,6 +166,10 @@ export class PendingAccountComponent {
       const d = new Date(date[0], date[1] - 1, date[2]);
       return d.toLocaleDateString('en-IN', { day: '2-digit', month: 'short', year: 'numeric' });
     }
+    const d = new Date(date);
+    if (!isNaN(d.getTime())) {
+      return d.toLocaleDateString('en-IN', { day: '2-digit', month: 'short', year: 'numeric' });
+    }
     return date;
   }
 
diff --git a/src/app/tasks/checker-inbox-and-tasks-tabs/rejected-account/rejected-account.component.ts b/src/app/tasks/checker-inbox-and-tasks-tabs/rejected-account/rejected-account.component.ts
index 04fe2ad91..3494f9a67 100644
--- a/src/app/tasks/checker-inbox-and-tasks-tabs/rejected-account/rejected-account.component.ts
+++ b/src/app/tasks/checker-inbox-and-tasks-tabs/rejected-account/rejected-account.component.ts
@@ -82,6 +82,10 @@ export class RejectedAccountComponent {
       const d = new Date(date[0], date[1] - 1, date[2]);
       return d.toLocaleDateString('en-IN', { day: '2-digit', month: 'short', year: 'numeric' });
     }
+    const d = new Date(date);
+    if (!isNaN(d.getTime())) {
+      return d.toLocaleDateString('en-IN', { day: '2-digit', month: 'short', year: 'numeric' });
+    }
     return date;
   }
 }