Aside from its normal function, the mosque is used for social work, and for lessons in the Arabic language.

The mosque was in-part funded by the Saudi non-governmental organization al-Haramain Foundation.

[1] The mosque at one time had been cited by the Dutch government as a potential propagator of extremism.

[2] Mohammed Bouyeri the killer of Dutch film director Theo van Gogh attended the mosque.

The September 11 attacks pilots Mohammed Atta and Marwan al-Shehhi, along with Ramzi Binalshibh, the man accused of co-ordinating the attacks, met in 1999 during a conference on 'Islamic puritanism' held at the mosque.