Accounting and Corporate Regulatory Authority (ACRA)
ACRA is the national regulator of business entities and public accountants in Singapore.
http://www.acra.gov.sg
Inland Revenue Authority of Singapore (IRAS)
IRAS administers, assesses, collects and enforces the payment of taxes in Singapore.
http://www.iras.gov.sg
Ministry of Manpower (MOM)
MOM is responsible for the issuance of work permits and employment passes in Singapore.
http://www.mom.gov.sg