diff --git a/src/libs/ReportUtils.ts b/src/libs/ReportUtils.ts
index 82789d2a4eb5..86477f624d88 100644
--- a/src/libs/ReportUtils.ts
+++ b/src/libs/ReportUtils.ts
@@ -7940,6 +7940,7 @@ function buildOptimisticGroupChatReport(
     participantAccountIDs: number[],
     reportName: string,
     avatarUri: string,
+    currentUserAccountID: number,
     optimisticReportID?: string,
     notificationPreference?: NotificationPreference,
 ) {
@@ -7950,6 +7951,7 @@ function buildOptimisticGroupChatReport(
         notificationPreference,
         avatarUrl: avatarUri,
         optimisticReportID,
+        currentUserAccountID,
     });
 }
 
diff --git a/src/libs/actions/Report/index.ts b/src/libs/actions/Report/index.ts
index a9e5d5f5b452..1c4fdfb8d1bd 100644
--- a/src/libs/actions/Report/index.ts
+++ b/src/libs/actions/Report/index.ts
@@ -2013,13 +2013,14 @@ function navigateToAndCreateGroupChat(
     introSelected: OnyxEntry<IntroSelected>,
     isSelfTourViewed: boolean | undefined,
     betas: OnyxEntry<Beta[]>,
+    currentUserAccountID: number,
     avatarUri?: string,
     avatarFile?: File | CustomRNImageManipulatorResult | undefined,
 ) {
     const participantAccountIDs = PersonalDetailsUtils.getAccountIDsByLogins(userLogins);
 
     // If we are creating a group chat then participantAccountIDs is expected to contain currentUserAccountID
-    const newChat = buildOptimisticGroupChatReport(participantAccountIDs, reportName, avatarUri ?? '', optimisticReportID, CONST.REPORT.NOTIFICATION_PREFERENCE.HIDDEN);
+    const newChat = buildOptimisticGroupChatReport(participantAccountIDs, reportName, avatarUri ?? '', currentUserAccountID, optimisticReportID, CONST.REPORT.NOTIFICATION_PREFERENCE.HIDDEN);
     createGroupChat(newChat.reportID, userLogins, newChat, currentUserLogin, introSelected, isSelfTourViewed, betas, avatarFile);
 
     navigateToReport(newChat.reportID);
diff --git a/src/pages/NewChatConfirmPage.tsx b/src/pages/NewChatConfirmPage.tsx
index 798295892f13..1ead666dd45b 100644
--- a/src/pages/NewChatConfirmPage.tsx
+++ b/src/pages/NewChatConfirmPage.tsx
@@ -171,6 +171,7 @@ function NewChatConfirmPage() {
             introSelected,
             isSelfTourViewed,
             betas,
+            personalData.accountID,
             newGroupDraft.avatarUri ?? '',
             avatarFile,
         );
diff --git a/tests/actions/ReportTest.ts b/tests/actions/ReportTest.ts
index a74603ef8da4..53c0209b0e99 100644
--- a/tests/actions/ReportTest.ts
+++ b/tests/actions/ReportTest.ts
@@ -5867,7 +5867,16 @@ describe('actions/Report', () => {
             await waitForBatchedUpdates();
 
             // When create group chat is called
-            Report.navigateToAndCreateGroupChat([TEST_USER_LOGIN, PARTICIPANT_1_LOGIN], GROUP_CHAT_NAME, TEST_USER_LOGIN, GROUP_CHAT_REPORT_ID, TEST_INTRO_SELECTED, false, undefined);
+            Report.navigateToAndCreateGroupChat(
+                [TEST_USER_LOGIN, PARTICIPANT_1_LOGIN],
+                GROUP_CHAT_NAME,
+                TEST_USER_LOGIN,
+                GROUP_CHAT_REPORT_ID,
+                TEST_INTRO_SELECTED,
+                false,
+                undefined,
+                TEST_USER_ACCOUNT_ID,
+            );
             await waitForBatchedUpdates();
 
             // Then it should create a new group chat report in Onyx
@@ -5921,6 +5930,7 @@ describe('actions/Report', () => {
                 TEST_INTRO_SELECTED,
                 true,
                 undefined,
+                TEST_USER_ACCOUNT_ID,
                 AVATAR_URI,
             );
             await waitForBatchedUpdates();
@@ -5955,6 +5965,7 @@ describe('actions/Report', () => {
                 {...TEST_INTRO_SELECTED, isInviteOnboardingComplete: true},
                 true,
                 undefined,
+                TEST_USER_ACCOUNT_ID,
             );
             await waitForBatchedUpdates();
 
@@ -5981,6 +5992,7 @@ describe('actions/Report', () => {
                 {choice: CONST.ONBOARDING_CHOICES.ADMIN},
                 false,
                 undefined,
+                TEST_USER_ACCOUNT_ID,
                 undefined,
                 avatarFile,
             );
@@ -6011,6 +6023,7 @@ describe('actions/Report', () => {
                 {choice: CONST.ONBOARDING_CHOICES.ADMIN},
                 false,
                 undefined,
+                TEST_USER_ACCOUNT_ID,
             );
             await waitForBatchedUpdates();
 
diff --git a/tests/unit/ReportUtilsTest.ts b/tests/unit/ReportUtilsTest.ts
index 84376c6634f2..1f4f4eedb476 100644
--- a/tests/unit/ReportUtilsTest.ts
+++ b/tests/unit/ReportUtilsTest.ts
@@ -42,6 +42,7 @@ import {
     buildOptimisticCreatedReportForUnapprovedAction,
     buildOptimisticEmptyReport,
     buildOptimisticExpenseReport,
+    buildOptimisticGroupChatReport,
     buildOptimisticInvoiceReport,
     buildOptimisticIOUReportAction,
     buildOptimisticReportPreview,
@@ -6737,6 +6738,43 @@ describe('ReportUtils', () => {
         });
     });
 
+    describe('buildOptimisticGroupChatReport', () => {
+        it('should create a group chat report with correct properties', () => {
+            const avatarUri = 'https://example.com/avatar.png';
+            const reportID = 'custom-report-id-123';
+            const result = buildOptimisticGroupChatReport([1, 2, 3], 'My Group Chat', avatarUri, 1, reportID);
+
+            expect(result.chatType).toBe(CONST.REPORT.CHAT_TYPE.GROUP);
+            expect(result.reportName).toBe('My Group Chat');
+            expect(result.avatarUrl).toBe(avatarUri);
+            expect(result.reportID).toBe(reportID);
+        });
+
+        it('should assign ADMIN role to currentUserAccountID and MEMBER to others', () => {
+            const currentUser = 100;
+            const participantIDs = [currentUser, 200, 300];
+            const result = buildOptimisticGroupChatReport(participantIDs, 'Group', '', currentUser);
+
+            expect(result.participants?.[currentUser]?.role).toBe(CONST.REPORT.ROLE.ADMIN);
+            expect(result.participants?.[200]?.role).toBe(CONST.REPORT.ROLE.MEMBER);
+            expect(result.participants?.[300]?.role).toBe(CONST.REPORT.ROLE.MEMBER);
+            const participantKeys = Object.keys(result.participants ?? {}).map(Number);
+            expect(participantKeys).toEqual(expect.arrayContaining(participantIDs));
+            expect(participantKeys).toHaveLength(participantIDs.length);
+        });
+
+        it('should apply the provided notificationPreference', () => {
+            const result = buildOptimisticGroupChatReport([1, 2], 'Group', '', 1, undefined, CONST.REPORT.NOTIFICATION_PREFERENCE.HIDDEN);
+            expect(result.participants?.[1]?.notificationPreference).toBe(CONST.REPORT.NOTIFICATION_PREFERENCE.HIDDEN);
+            expect(result.participants?.[2]?.notificationPreference).toBe(CONST.REPORT.NOTIFICATION_PREFERENCE.HIDDEN);
+        });
+
+        it('should default notificationPreference to ALWAYS when not provided', () => {
+            const result = buildOptimisticGroupChatReport([1, 2], 'Group', '', 1);
+            expect(result.participants?.[1]?.notificationPreference).toBe(CONST.REPORT.NOTIFICATION_PREFERENCE.ALWAYS);
+        });
+    });
+
     describe('getWorkspaceNameUpdatedMessage', () => {
         it('return the encoded workspace name updated message', () => {
             const action = {