History of Participation 1st Batch (August 2001 – July 2002) ** – ISO 9000 
- General Administration Bureau (Central Services and Real Estate & Security Office) (#1)
- Computer Service Bureau (Academic Computing Service and Information Management Service)
- Personnel Office (#2)
- Procurement Office (#2)
2nd Batch (September 2002 – May 2003) ** – ISO 9000 - Academic Affairs Bureau (Registry and Student Affairs Office)
Bursary Office (Accounts Office, Treasury Office)- Library
- Public Relations Office
- Publications Centre ^^
3rd Batch ( March 2004 – May 2005) ** – ISO 9000 - Faculty of Business Administration
 - Faculty of Education
- Faculty of Law
- Faculty of Social Sciences and Humanities
- Faculty of Science and Technology
- Centre for Pre-University Studies ***
4th Batch ( October 2006 – May 2007) – ISO 9000 - Institute of Chinese Medical Sciences
- English Language Centre^
- Centre for Continuing Education
- Centre for Macau Studies
5th Batch ( January 2008 – May 2008) – ISO 14000 - All units participated in ISO 14000
6th Batch ( December 2010 – April 2011) – ISO 9000 - Office of Health, Safety and Environmental Affairs
7th Batch ( March 2015) – ISO 9000 - Faculty of Health Sciences
- Campus Development Office (#1)
- Alumni Development Office
- Office of Sports Affairs
8th Batch ( Jan 2025) – ISO 9000 - Asia-Pacific Academy of Economics and Management
- Institute of Applied Physics and Materials Engineering
- Institute of Collaborative Innovation
- Institute of Microelectronics
- Honours College
- Graduate School
**The names of the units/departments are the former names before the implementation of the UM Charter on 1 September, 2006. ***closed w.e.f. 30 August 2010 ^ merged into the Faculty of Arts and Humanities w.e.f. 1 August 2015 ^^ closed w.e.f. 1 January 2017 (#1) merged into new unit, Campus Management and Development Office w.e.f. 1 January 2017 (#2) merged into new unit, Office of Administration w.e.f. 1 January 2017 |