2000 to 2009

2009

• President Social Service Award (Formal Category)
• Knowledge Management Excellence Award -Silver Medal
• Total Defence Award (Employers) - Minister for Defence Award
• First e-Citizen Government Partner of e-NETS

2008

•  National Infocomm Awards 2008 (Merit Award - Most Innovative Use of Infocomm Technology for Public Sector)
• Work-life Excellence Award 2008
• Total Defence Award  (Employers) -Distinguished Defence Partner Award
• Home Team National Service Award 2008
• Community Chest's SHARE Award (Platinum)
• Singapore Quality Class
• People Developer Re-Certification
• Renewal certification for ISO 9001:2000
• Singapore H.E.A.L.T.H. Award (Platinum)

2007

• MIS Asia IT Excellence Award 2007 (Best Business Enabler, Government)
• Singapore Labour Foundation Educational Tours Award
• Lectora eLearning Courseware Competition (Bronze, Best Demonstration of Instructional Design)
• Community Chest's SHARE Award (Platinum)

2006

• ACE Award for Pro-Enterprise Agencies (2006)
• Distinguished Public Service Award
• Community Chest 5-Year Outstanding SHARE Award
• Community Chest's SHARE Award (Platinum)
• President's Challenge 2006 Award for Invaluable Contribution
• Work-Life Excellence Award 2006
• Singapore Sporting Inspiration Awards (Certificate of Commendation, Sports Advocate)
• MHA Award for NSmen's Employers 2006
• MINDEF Distinguished Defence Partner Award

2005

• ACE Award for Pro-Enterprise Agencies (2005)
• MOE Learning Journeys Partnership Award
• HSBC Project Partnership Award
• Singapore HR Award 2005 (Manpower Resourcing and Planning)
• MINDEF Meritorious Defence Partner Award
• MHA Award for NSmen's Employers 2005 Award
• MOF Power (Gold) Award
• President's Challenge 2005 Award for Invaluable Contribution
• Community Chest's SHARE Award (Platinum)
• Singapore H.E.A.L.T.H. Promoter Award
• Singapore H.E.A.L.T.H. Award (Platinum)
• Building Energy Performance Award 2005

2004

• POWER Suggestion Award
• Singapore Family Friendly Employer Award
• ACE 2004 Award for Pro-Enterprise Agencies
• Singapore H.E.A.L.T.H. Award 2004 (Platinum)
• People Developer Standard Re-Certification
• 30th Annual Report Award (First Runner-Up for Best Annual Report)
• MHA Award for NSmen's Employers 2004 (Award)
• SAF Award for Employers 2004 (Certificate of Commendation)
• Community Chest's SHARE Award (Platinum)

2003

• Singapore Quality Award (SQA) 2003.
  (The Singapore Quality Award is the highest accolade given to organisations for business excellence. The Award is conferred upon the "best of the best" in recognition of world-class standard of performance excellence. This prestigious award recognises IRAS' role in helping taxpayers play their part in nation building.)
• Distinguished Public Service Award for Organisational Excellence
• ISO 9001:2000 Certification for Estate Duty and Stamp Duty
• 29th Annual Report Award (Best Annual Report)
• Singapore H.E.A.L.T.H. Award 2003 (Gold)
• Community Chest's SHARE Award (Platinum)
• MHA Award for NSmen's Employers 2003 (Certificate of Commendation)
• SAF Award for Employers 2003 (Certificate of Commendation)

2002

• ISO 9001:2000 Certification for Property Tax, Corporate Tax and Goods and Services Tax
• 28th Annual Report Award (Best Annual Report)
• Singapore H.E.A.L.T.H. Award 2002 (Gold)
• Community Chest's SHARE Award (Gold)
• Family Friendly Firm Award (Merit)
• Sports ACE Awards 2002: Most Active Organisation (Certificate of Commendation)
• SAF Award for Employers 2002 (Certificate of Commendation)

2001

• ISO 9001:2000 Certification for IT Development Process and Individual Income Tax
• Outstanding Quality Circle Organisation Award
• Singapore H.E.A.L.T.H Award 2001 (Gold)
• Community Chest's SHARE Award (Silver)
• 27th Annual Report Award (Certificate of Special Commendation)
• Sports ACE Awards 2001: Most Active Organisation (Certificate of Commendation)
• SAF Award for Employers 2001 (Certificate of Commendation)
• MHA Award for NSmen's Employers 2001 (Certificate of Commendation)

2000

• People Developer Standard (PDS)
• 1st ASEAN Energy Award for Best Practice Competition (Building sector) (Most Energy Efficient Building)
• Singapore H.E.A.L.T.H Award 2000 (Gold)
• Community Chest's SHARE Award (Silver)
• Sports ACE Awards 2000: Most Active Organisation (Certificate of Commendation)
• Community Chest's Care & Share Pacesetter Award
• NKF Lifeforce Silver Knights Award
• SAF Award for Employers 2000 (Certificate of Commendation)
• MHA Award for NSmen's Employers 2000 (Certificate of Commendation)