The Professional Services Development Assistance Scheme (PSDAS) is established by a Government allocation of HK$100 million to provide financial support for projects which aim at increasing the competitiveness of Hong Kong's professional service sector as a whole, or of individual sectors, in external markets including the Mainland market. In addition, projects aim at enhancing the standard of professional services in Hong Kong are also eligible.

The Commerce and Economic Development Bureau administers and provides secretariat support to the PSDAS.