diff --git a/apps/api/src/applicant/ienapplicant.util.service.ts b/apps/api/src/applicant/ienapplicant.util.service.ts
index db597970..0d3ef0b1 100755
--- a/apps/api/src/applicant/ienapplicant.util.service.ts
+++ b/apps/api/src/applicant/ienapplicant.util.service.ts
@@ -15,7 +15,7 @@ import { IENJobTitle } from './entity/ienjobtitles.entity';
 import { IENJobLocation } from './entity/ienjoblocation.entity';
 import { IENStatusReason } from './entity/ienstatus-reason.entity';
 import { IENMasterService } from './ien-master.service';
-import { searchNames } from '../common/search-names';
+import { searchNamesAndAts1Id } from 'src/common/search-names';
 
 @Injectable()
 export class IENApplicantUtilService {
@@ -93,7 +93,7 @@ export class IENApplicantUtilService {
       }
     }
     if (name) {
-      searchNames(builder, 'applicant.name', name);
+      searchNamesAndAts1Id(builder, ['applicant.name', 'applicant.ats1_id'], name);
     }
 
     if (sortKey === 'recruiter') {
diff --git a/apps/api/src/common/search-names.ts b/apps/api/src/common/search-names.ts
index ca2b43af..02b9cce5 100644
--- a/apps/api/src/common/search-names.ts
+++ b/apps/api/src/common/search-names.ts
@@ -1,5 +1,28 @@
 import { Brackets, WhereExpressionBuilder } from 'typeorm';
 
+const ATS1_ID_LENGTH = 6;
+export const searchNamesAndAts1Id = (
+  builder: WhereExpressionBuilder,
+  fields: [nameField: string, ats1IdField: string],
+  keyword: string,
+) => {
+  const keywords = keyword
+    .trim()
+    .split(' ')
+    .filter(item => item.length);
+
+  // Check if the keyword is a potential ATS1 ID
+  if (
+    keywords.length === 1 &&
+    keywords[0].length === ATS1_ID_LENGTH &&
+    !isNaN(Number(keywords[0]))
+  ) {
+    searchAts1Id(builder, fields[1], keyword);
+  } else {
+    searchNames(builder, fields[0], keyword);
+  }
+};
+
 export const searchNames = (builder: WhereExpressionBuilder, field: string, keyword: string) => {
   const keywords = keyword
     .trim()
@@ -30,3 +53,18 @@ export const searchNames = (builder: WhereExpressionBuilder, field: string, keyw
     builder.andWhere(`${field} ilike :name`, { name: `%${keyword.trim()}%` });
   }
 };
+
+export const searchAts1Id = (builder: WhereExpressionBuilder, field: string, keyword: string) => {
+  const keywords = keyword
+    .trim()
+    .split(' ')
+    .filter(item => item.length);
+
+  if (
+    keywords.length === 1 &&
+    keywords[0].length === ATS1_ID_LENGTH &&
+    !isNaN(Number(keywords[0]))
+  ) {
+    builder.andWhere(`${field} = :ats1_id`, { ats1_id: `${keyword.trim()}` });
+  }
+};
diff --git a/apps/web/src/components/Search.tsx b/apps/web/src/components/Search.tsx
index 8307ac36..bceced81 100644
--- a/apps/web/src/components/Search.tsx
+++ b/apps/web/src/components/Search.tsx
@@ -54,11 +54,18 @@ export const Search = (props: SearchProps) => {
 
   const getResultText = (applicant: ApplicantRO) => {
     if (!isHmbc(authUser) || !applicant.status) {
-      return <b>{applicant.name}</b>;
+      return (
+        <b>
+          {applicant.ats1_id} - {applicant.name}
+        </b>
+      );
     }
     return (
       <>
-        <b>{applicant.name}</b> found in <b>{applicant.status.status}</b>
+        <b>
+          {applicant.ats1_id} - {applicant.name}
+        </b>{' '}
+        found in <b>{applicant.status.status}</b>
       </>
     );
   };
@@ -74,7 +81,7 @@ export const Search = (props: SearchProps) => {
           onChange={handleChange}
           onFocus={() => handleFocus(true)}
           onKeyDown={handleEnter}
-          placeholder='Search by first name or last name'
+          placeholder='Search by first name, last name or ATS1 ID'
           className='flex-grow focus:outline-none placeholder-bcGray'
           data-cy='search-input'
         />
diff --git a/apps/web/tests/components/form/Search.test.tsx b/apps/web/tests/components/form/Search.test.tsx
index 03870049..a7930ff8 100644
--- a/apps/web/tests/components/form/Search.test.tsx
+++ b/apps/web/tests/components/form/Search.test.tsx
@@ -5,21 +5,26 @@ describe('Search', () => {
   it('renders a search box', async () => {
     const mock = jest.fn();
     const searchData = [
-      { id: '1', name: 'Jane Doe', status: { id: 1, status: 'Recruitment' } },
-      { id: '2', name: 'Mark Twain', status: { id: 5, status: 'Final Milestone' } },
+      { ats1_id: '111111', id: '1', name: 'Jane Doe', status: { id: 1, status: 'Recruitment' } },
+      {
+        ats1_id: '222222',
+        id: '2',
+        name: 'Mark Twain',
+        status: { id: 5, status: 'Final Milestone' },
+      },
     ];
     const search = async (): Promise<any[]> => searchData;
 
     render(<Search onChange={mock} onSelect={mock} keyword='' search={search} />);
 
-    const input = screen.getByPlaceholderText('Search by first name or last name');
+    const input = screen.getByPlaceholderText('Search by first name, last name or ATS1 ID');
     expect(input).toBeInTheDocument();
 
     input.focus();
     fireEvent.change(input, { target: { value: 'Mark' } });
-    for (const { name } of searchData) {
+    for (const { name, ats1_id } of searchData) {
       await waitFor(() => {
-        expect(screen.getByText(name)).toBeInTheDocument();
+        expect(screen.getByText(`${ats1_id} - ${name}`)).toBeInTheDocument();
       });
     }