Inland Revenue Authority of Singapore
Awarded S$227m across 44 open tenders from April 2021 to March 2026. 1 more (2%) closed with no award.
Top suppliers
| Company | Awards | Total | Share |
|---|---|---|---|
| Accenture SG Services Pte. Ltd. | 1 | S$180m | |
| Deloitte Singapore Assurance Pte. Ltd. | 1 | S$14.4m | |
| Ernst & Young Advisory PTE. LTD. | 2 | S$7.0m | |
| Cloud Kinetics Services Pte. Ltd. | 1 | S$4.1m | |
| Toku Ltd. | 1 | S$3.1m | |
| Dai-Dan Co., Ltd. | 1 | S$2.9m | |
| NCS Pte. Ltd. | 2 | S$2.7m | |
| Singapore Institute of Management Group Limited | 1 | S$2.1m | |
| Pricewaterhousecoopers Risk Services Pte. Ltd. | 1 | S$2.0m | |
| D' Perception Singapore Pte. Ltd. | 1 | S$1.3m | |
| Ernst & Young LLP | 4 | S$1.1m | |
| Strengths Movement Pte. Ltd. | 1 | S$819k | |
| Bureau Van Dijk Electronic Publishing Pte. Ltd. | 1 | S$703k | |
| Asiatel (S) Pte. Ltd. | 1 | S$538k | |
| Willis Towers Watson Consulting (Singapore) Pte. Ltd. | 1 | S$494k |
Awarded each year
FY2021S$206m14 tenders
FY2022S$8.0m7 tenders
FY2023S$4.9m10 tenders
FY2024S$1.8m6 tenders
FY2025S$6.7m7 tenders
Financial years run April to March: FY2025 is April 2025 to March 2026.
Biggest awards Open in Explore
| Awarded | What for | Won by | Amount |
|---|---|---|---|
| 29 Oct 2021 | Development of System for Phase 3 and Maintenance of System for Phase 2 and 3 of the Inland Revenue Interactive Network 3 Programme IRA000ETT20300016 | Accenture SG Services Pte. Ltd. | S$179,729,513 |
| 29 Oct 2021 | Development of System for Phase 3 and Maintenance of System for Phase 2 and 3 of the Inland Revenue Interactive Network 3 Programme IRA000ETT20300016 | Deloitte Singapore Assurance Pte. Ltd. | S$14,355,856 |
| 3 Mar 2023 | Implementation of a Unified Data Platform (UDP) in Government Commercial Cloud (GCC) IRA000ETT22000001 | Cloud Kinetics Services Pte. Ltd. | S$4,067,515 |
| 19 Aug 2025 | Invitation to Tender for the Enhancements to Unified Data Platform (UDP) in Government Commercial Cloud (GCC) IRA000ETT25000002 | Ernst & Young Advisory PTE. LTD. | S$3,977,923 |
| 2 Mar 2023 | Supply, Delivery, Installation, Testing and Commissioning of IRAS Helpline System with Maintenance IRA000ETT22000006 | Toku Ltd. | S$3,052,943 |
| 28 Nov 2023 | Implementation of a Standalone Invoice Data Collection System in Government Commercial Cloud (GCC 2.0) IRA000ETT23000004 | Ernst & Young Advisory PTE. LTD. | S$2,977,115 |
| 17 Feb 2022 | Replacement of Low-Tension Switch Boards IRA000ETT21000008 | Dai-Dan Co., Ltd. | S$2,948,000 |
| 25 Jun 2021 | RENEWAL OF THE SUBSCRIPTION FOR SAS SOFTWARE LICENCES AND MAINTENANCE SERVICES FOR SAS SOCIAL NETWORK ANALYSIS AND SAS EVENT STREAM PROCESSING IRA000ETT21000004 | NCS Pte. Ltd. | S$2,607,168 |
| 19 Oct 2021 | Provision of training programme for Know, Think and Do Agile IRA000ETT21000005 | Singapore Institute of Management Group Limited | S$2,130,000 |
| 29 Oct 2021 | Development of System for Phase 3 and Maintenance of System for Phase 2 and 3 of the Inland Revenue Interactive Network 3 Programme IRA000ETT20300016 | Pricewaterhousecoopers Risk Services Pte. Ltd. | S$1,986,417 |
Latest tenders Open in Explore
| Awarded | What for | Won by | Amount |
|---|---|---|---|
| 20 Feb 2026 | Invitation to Tender for the Provision of Cellebrite Suite of Software and Services IRA000ETT25000008 | Cellebrite Asia Pacific Pte. Ltd. | S$159,927 |
| 23 Jan 2026 | Invitation to Tender for the Provision of Financial Statement Audit Services for Trust Funds IRA000ETT25000007 | Ca Assurance LLP | S$44,000 |
| 18 Sep 2025 | Invitation To Tender for the Proposed Addition and Alteration to Revenue House IRAS Taxpayer and Business Service Centre (TBSC) Renovation IRA000ETT25000005 | D' Perception Singapore Pte. Ltd. | S$1,336,489 |
| 19 Aug 2025 | Invitation to Tender for the Enhancements to Unified Data Platform (UDP) in Government Commercial Cloud (GCC) IRA000ETT25000002 | Ernst & Young Advisory PTE. LTD. | S$3,977,923 |
| 7 Aug 2025 | Invitation to Tender for the Provision of Transfer Pricing Online Databases IRA000ETT25000003 | Bureau Van Dijk Electronic Publishing Pte. Ltd. | S$702,787 |
| 11 Jul 2025 | Invitation to Tender for the Provision of Audit Services for Senior Employment Credit, Enabling Employment Credit and CPF Transition Offset Schemes IRA000ETT25000004 | Ernst & Young LLP | S$381,150 |
| 1 Apr 2025 | Invitation to Tender for Provision of services to conduct psychometric tests, analyse the results and provide reports for IRAS Undergraduate Scholarship and Management Associate Programme applicants IRA000ETT25000001 | Kosh Consulting Group (Asia) Pte. Ltd. | S$130,700 |
| 6 Feb 2025 | Invitation to Tender for the Provision of a Web-based Software-as-a-Service (SaaS) Solution for Queue Management System (QMS) IRA000ETT24000006 | Att Systems (S'Pore) Pte Ltd | S$210,684 |
| 6 Feb 2025 | Invitation to Tender for the Provision of Work Injury Compensation Insurance IRA000ETT24000007 | Acclaim Insurance Brokers Pte. Ltd. | S$70,692 |
| 23 Dec 2024 | For Provision of CliftonStrengths Workshops or Equivalent IRA000ETT24000005 | Strengths Movement Pte. Ltd. | S$818,750 |
| 26 Nov 2024 | Provision of Brand Consultancy Services, Creative Design, Communications and related Brand Execution Services for IRAS Employer Brand IRA000ETT24000004 | Edelman Singapore Pte. Ltd. | S$281,200 |
| 30 Sep 2024 | LEASING AND MAINTENANCE OF 21 UNITS OF COUNTERTOP HOT BEVERAGE DISPENSER MACHINES IRA000ETT24000003 | Cafe-Bar Services | S$164,563 |
| 20 Sep 2024 | PROVISION OF CONSULTANCY SERVICES TO ENVISION THE FUTURES OF SERVICE DELIVERY FOR INDIVIDUAL TAXPAYERS IRA000ETT24000002 | Studio Dojo Pte. Ltd. | S$215,699 |
| 25 Mar 2024 | Audit Services for the Uplifting Employment Credit IRA000ETT24000001 | Ernst & Young LLP | S$142,500 |
| 7 Feb 2024 | Audit Services for the Uplifting Employment Credit IRA000ETT23000011 | No award | – |
| 6 Feb 2024 | Provision of Insurance Policies IRA000ETT23000012 | Acclaim Insurance Brokers Pte. Ltd. | S$62,633 |
| 27 Dec 2023 | Provision of Research Services to Understand the Behavioural Drivers of Tax Compliance in Singapore IRA000ETT23000010 | Behavioural Insights (Singapore) Pte. Ltd. | S$278,405 |
| 28 Nov 2023 | Implementation of a Standalone Invoice Data Collection System in Government Commercial Cloud (GCC 2.0) IRA000ETT23000004 | Ernst & Young Advisory PTE. LTD. | S$2,977,115 |
| 5 Oct 2023 | FOR THE APPOINTMENT OF THE CENTRAL REFUND OPERATOR UNDER THE ELECTRONIC TOURIST REFUND SCHEME (ETRS) IRA000ETT23000003 | Global Tax Free Pte. Ltd. | No fixed value |
| 15 Aug 2023 | Provision of Private Liquidator Services IRA000ETT23000008 | Foo Kon Tan LLP | S$41,300 |