It comes under the Ministry of Culture, Community and Youth,[6] and under the direct supervision of the Minister-In-Charge of Muslim Affairs.

As of 2023[update] Mohamed Sa'at Abdul Rahman serves as President of MUIS and Nazirudin Mohd Nasir as the Mufti of Singapore.

These institutions combined (mosque, madrasa and majlis) create a cohesive and symbiotic whole, embodies the Islamic principles of Iman, Ilmu and Amal (Faith, Knowledge and Deeds) respectively.

In 2009, Muis certified more than 2,600 premises and has played an important role as the custodian of Halal food assurance for Singapore's 15% Muslim population.

Furthermore, the promising Halal food industry with the availability of many Halal-certified eating establishments has helped to foster social interaction between individuals from diverse racial, cultural and religious backgrounds.