diff --git a/packages/headless/src/api/search/search/result.ts b/packages/headless/src/api/search/search/result.ts
index 2158ed85746..cb61b025701 100644
--- a/packages/headless/src/api/search/search/result.ts
+++ b/packages/headless/src/api/search/search/result.ts
@@ -177,4 +177,9 @@ export interface Result {
    * Whether the result item has been previously viewed by one of the users specified in the `canSeeUserProfileOf` section of the [search token](https://docs.coveo.com/en/13/api-reference/search-api#tag/Search-V2/operation/token) generated to perform the search request.
    */
   isUserActionView: boolean;
+
+  /**
+   * The unique identifier of the search that returned this result.
+   */
+  searchUid: string;
 }
diff --git a/packages/headless/src/features/result-preview/result-preview-analytics-actions.test.ts b/packages/headless/src/features/result-preview/result-preview-analytics-actions.test.ts
index fa94246a891..4baeb18ba8d 100644
--- a/packages/headless/src/features/result-preview/result-preview-analytics-actions.test.ts
+++ b/packages/headless/src/features/result-preview/result-preview-analytics-actions.test.ts
@@ -13,7 +13,7 @@ jest.mock('@coveo/relay');
 jest.mock('coveo.analytics');
 
 describe('#logDocumentQuickview', () => {
-  const testResult = buildMockNonEmptyResult();
+  const testResult = buildMockNonEmptyResult({searchUid: 'someid'});
   let engine: SearchEngine;
   const makeDocumentQuickview = jest.fn();
   const emit = jest.fn();
diff --git a/packages/headless/src/features/result-preview/result-preview-analytics-actions.ts b/packages/headless/src/features/result-preview/result-preview-analytics-actions.ts
index 270e6f3efcf..6978211f665 100644
--- a/packages/headless/src/features/result-preview/result-preview-analytics-actions.ts
+++ b/packages/headless/src/features/result-preview/result-preview-analytics-actions.ts
@@ -1,4 +1,5 @@
 import {ItemClick} from '@coveo/relay-event-types';
+import {SearchAnalyticsProvider} from '../../api/analytics/search-analytics';
 import {Result} from '../../api/search/search/result';
 import {
   ClickAction,
@@ -17,6 +18,11 @@ export const logDocumentQuickview = (result: Result): ClickAction => {
       const id = documentIdentifier(result);
       return client.makeDocumentQuickview(info, id);
     },
+    __legacy__provider: (getState) => {
+      const customAnalyticsProvider = new SearchAnalyticsProvider(getState);
+      customAnalyticsProvider.getSearchUID = () => result.searchUid ?? '';
+      return customAnalyticsProvider;
+    },
     analyticsType: 'itemClick',
     analyticsPayloadBuilder: (state): ItemClick => {
       const docInfo = partialDocumentInformation(result, state);
diff --git a/packages/headless/src/features/result/result-analytics-actions.test.ts b/packages/headless/src/features/result/result-analytics-actions.test.ts
index dcad7dd2850..7a63d6cb44b 100644
--- a/packages/headless/src/features/result/result-analytics-actions.test.ts
+++ b/packages/headless/src/features/result/result-analytics-actions.test.ts
@@ -13,7 +13,9 @@ jest.mock('@coveo/relay');
 jest.mock('coveo.analytics');
 
 describe('#logDocumentOpen', () => {
-  const testResult = buildMockNonEmptyResult();
+  const testResult = buildMockNonEmptyResult({
+    searchUid: 'example searchUid',
+  });
   let engine: SearchEngine;
   const makeDocumentOpen = jest.fn();
   const emit = jest.fn();
diff --git a/packages/headless/src/features/result/result-analytics-actions.ts b/packages/headless/src/features/result/result-analytics-actions.ts
index 5e82de5a55b..dce02e87164 100644
--- a/packages/headless/src/features/result/result-analytics-actions.ts
+++ b/packages/headless/src/features/result/result-analytics-actions.ts
@@ -1,4 +1,5 @@
 import {ItemClick} from '@coveo/relay-event-types';
+import {SearchAnalyticsProvider} from '../../api/analytics/search-analytics';
 import {Result} from '../../api/search/search/result';
 import {
   partialDocumentInformation,
@@ -18,6 +19,11 @@ export const logDocumentOpen = (result: Result): ClickAction =>
         documentIdentifier(result)
       );
     },
+    __legacy__provider: (getState) => {
+      const customAnalyticsProvider = new SearchAnalyticsProvider(getState);
+      customAnalyticsProvider.getSearchUID = () => result.searchUid ?? '';
+      return customAnalyticsProvider;
+    },
     analyticsType: 'itemClick',
     analyticsPayloadBuilder: (state): ItemClick => {
       const docInfo = partialDocumentInformation(result, state);
diff --git a/packages/headless/src/features/search/search-slice.test.ts b/packages/headless/src/features/search/search-slice.test.ts
index a6835e83983..e4c5109075f 100644
--- a/packages/headless/src/features/search/search-slice.test.ts
+++ b/packages/headless/src/features/search/search-slice.test.ts
@@ -148,6 +148,22 @@ describe('search-slice', () => {
       expect(finalState.searchResponseId).toBe('a_new_id');
     });
 
+    it('when a executeSearch fulfilled is received, results should contain last #searchUid', () => {
+      state.searchResponseId = 'an_initial_id';
+      const response = buildMockSearchResponse({results: [newResult]});
+      response.searchUid = 'a_new_id';
+      const search = buildMockSearch({
+        response,
+      });
+
+      const finalState = searchReducer(
+        state,
+        executeSearch.fulfilled(search, '', {legacy: logSearchboxSubmit()})
+      );
+
+      expect(finalState.results[0].searchUid).toBe('a_new_id');
+    });
+
     it('when a executeSearch fulfilled is received, it overwrites the #questionAnswer', () => {
       state.questionAnswer = buildMockQuestionsAnswers({
         question: 'When?',
@@ -200,6 +216,26 @@ describe('search-slice', () => {
       expect(finalState.searchResponseId).toBe('an_initial_id');
     });
 
+    it('when a fetchMoreResults fulfilled is received, previous results keep their #searchUiD', () => {
+      state.results = state.results.map((result) => ({
+        ...result,
+        searchUid: 'an_initial_id',
+      }));
+      const response = buildMockSearchResponse({results: [newResult]});
+      response.searchUid = 'a_new_id';
+      const search = buildMockSearch({
+        response,
+      });
+
+      const finalState = searchReducer(
+        state,
+        fetchMoreResults.fulfilled(search, '')
+      );
+
+      expect(finalState.results[0].searchUid).toBe('an_initial_id');
+      expect(finalState.results[1].searchUid).toBe('a_new_id');
+    });
+
     it('when a fetchMoreResults fulfilled is received, keeps the previous #questionAnswer', () => {
       const originalQuestionAnswers = buildMockQuestionsAnswers({
         question: 'Why?',
diff --git a/packages/headless/src/features/search/search-slice.ts b/packages/headless/src/features/search/search-slice.ts
index 7281201000d..a48fce9e50b 100644
--- a/packages/headless/src/features/search/search-slice.ts
+++ b/packages/headless/src/features/search/search-slice.ts
@@ -44,7 +44,10 @@ function handleFulfilledNewSearch(
   action: ReturnType<SearchAction['fulfilled']>
 ) {
   handleFulfilledSearch(state, action);
-  state.results = action.payload.response.results;
+  state.results = action.payload.response.results.map((result) => ({
+    ...result,
+    searchUid: action.payload.response.searchUid,
+  }));
   state.searchResponseId = action.payload.response.searchUid;
   state.questionAnswer = action.payload.response.questionAnswer;
   state.extendedResults = action.payload.response.extendedResults;
@@ -81,7 +84,13 @@ export const searchReducer = createReducer(
     });
     builder.addCase(fetchMoreResults.fulfilled, (state, action) => {
       handleFulfilledSearch(state, action);
-      state.results = [...state.results, ...action.payload.response.results];
+      state.results = [
+        ...state.results,
+        ...action.payload.response.results.map((result) => ({
+          ...result,
+          searchUid: action.payload.response.searchUid,
+        })),
+      ];
     });
     builder.addCase(fetchPage.fulfilled, (state, action) => {
       handleFulfilledSearch(state, action);
diff --git a/packages/headless/src/test/mock-result.ts b/packages/headless/src/test/mock-result.ts
index f9c6008b892..11e668a6ea5 100644
--- a/packages/headless/src/test/mock-result.ts
+++ b/packages/headless/src/test/mock-result.ts
@@ -33,6 +33,7 @@ export function buildMockResult(config: Partial<Result> = {}): Result {
     absentTerms: [],
     raw: buildMockRaw(),
     isUserActionView: false,
+    searchUid: '',
     ...config,
   };
 }