| 香港一匯健醫務有限公司 | - Hong Kong Young Women's Christian Association
| 2018 - 2019 |  |
| 21 Finance Limited | - Suicide Prevention Services Limited
| 2014 - 2019 |  |
| 28 Networking Limited | - Hong Kong Seeing Eye Dog Services Limited
| 2017 - 2019 | |
| 2R Worldwide Limited | - Hong Kong Society for Rehabilitation, The
| 2016 - 2019 | |
| 345存取易 | - Wing Wah Charity Foundation Limited
| 2018 - 2019 | |
| 366 Caring Services Company Limited | | 2017 - 2019 | |
| 3B Analysis Limited | | 2017 - 2019 | |
| 3D-Gold Jewellery (HK) Limited | | 2010 - 2019 | |
| 3D-Gold Management Services Limited | | 2010 - 2019 | |
| 3M Hong Kong Limited | - Richmond Fellowship of Hong Kong
| 2006 - 2019 |  |
| 3S Global Food Limited | - Lok Sin Tong Benevolent Society, Kowloon
| 2017 - 2019 | |
| 4M Industrial Development Limited | - Sheng Kung Hui St Christopher's Home Limited
- Hong Kong Family Welfare Society
| 2008 - 2019 | |
| 5R | | 2009 - 2019 | |
| 85C | - Boys' and Girls' Clubs Association of Hong Kong, The
| 2012 - 2019 | |
| 8998 LIMITED | - Mental Health Association of Hong Kong, The
| 2013 - 2019 | |
| 8MM Group Limited | - DISTINCTIVE LEARNING SOCIETY
| 2006 - 2019 | |
| A & A Limited | - Evangelical Lutheran Church Social Service - Hong Kong
| 2012 - 2019 | |
| A & S (HK) Logistics Ltd | - Life Education Activity Programme
- Hong Kong Sheng Kung Hui Welfare Council Limited
| 2011 - 2019 | |
| A Dream Production | | 2015 - 2019 | |
| A Matter Of Design (MOD) Limited | - Outward Bound Trust of Hong Kong Limited, The
| 2017 - 2019 | |
| A Plus World Trade Company Limited | - Hong Kong Sheng Kung Hui Welfare Council Limited
| 2017 - 2019 | |
| A-1 Bakery Co., (HK) Ltd. | - Evangelical Lutheran Church Social Service - Hong Kong
| 2017 - 2019 | |
| A. Plus Financial Press Limited | - Boys' Brigade, Hong Kong, The
| 2009 - 2019 | |
| A.D.E.C. Medical Alliance Limited | - Hong Kong S.K.H. Lady MacLehose Centre
| 2006 - 2019 | |
| A.G. Wilkinson & Associates | - Hong Kong Sheng Kung Hui Welfare Council Limited
| 2005 - 2019 | |
| A.M.H.Education Limited | - Hong Kong Down Syndrome Association, The
| 2018 - 2019 | |
| A.Plus International Financial Press Limited | - Boys' Brigade, Hong Kong, The
| 2012 - 2019 | |
| A.Plus Management Consulting Asia Pacific Limited | - Boys' Brigade, Hong Kong, The
| 2017 - 2019 | |
| A.R. Medicom Inc. (Asia) Limited | - Society for the Promotion of Hospice Care, The
| 2007 - 2019 | |
| A.S. Watson Group (HK) Limited | - Hong Kong Young Women's Christian Association
- Yang Memorial Methodist Social Service
- Hong Kong Children and Youth Services
- Hong Chi Association
- Hong Kong Christian Service
- Hong Kong Red Cross
| 2002 - 2019 |  |
| A.S. Watson Industries | - Hans Andersen Club Limited
- Hong Kong Catholic Marriage Advisory Council
- Hong Kong Family Welfare Society
| 2006 - 2019 | |
| ABC Pathways School | - Playright Children's Play Association
| 2008 - 2019 | |
| Aberdeen Yau Kee Noodles Factory Limited | | 2017 - 2019 | |
| Able Mobile Limited | - Lok Sin Tong Benevolent Society, Kowloon
| 2015 - 2019 | |
| Able Technology Corporation Limited | - Society of Rehabilitation And Crime Prevention, Hong Kong, The
| 2015 - 2019 | |
| Aboo Green Ltd. | | 2009 - 2019 | |
| Above The Line Company Limited | - Hong Kong Children and Youth Services
| 2018 - 2019 | |
| AC DESIGN GROUP LIMITED | | 2013 - 2019 | |
| Academic Advisers China Limited | - Hong Kong Playground Association
| 2013 - 2019 | |
| Academy of Fencing (Hong Kong) | - Hong Kong Children and Youth Services
| 2017 - 2019 | |
| Accolade Corporate Services Limited | | 2016 - 2019 | |
| Accolade IP Limited | | 2017 - 2019 | |
| Accounting Development Foundation Ltd. | | 2013 - 2019 | |
| Accredited Certification International Limited | - Professional & Social Services Association Limited
| 2009 - 2019 | |
| Ace Mold Company Limited | | 2007 - 2019 | |
| AceCGT (Holdings) Limited | - Sheng Kung Hui St Christopher's Home Limited
| 2017 - 2019 | |
| Acetop Precious Metals Limited | - Lok Sin Tong Benevolent Society, Kowloon
| 2012 - 2019 | |
| ACP Medication Management Centre O/B Active Care Pharmacy Ltd. | - Heung Hoi Ching Kok Lin Association
| 2014 - 2019 | |
| Active Communication Limited | | 2004 - 2019 | |
| Active Concept Limited | - Hong Kong Children and Youth Services
| 2016 - 2019 | |
| Active Learning Solutions Limited | - Hong Kong Federation of Education Workers Education Organisation Limited
| 2017 - 2019 | |
| Acumen Company Limited | - Boys' and Girls' Clubs Association of Hong Kong, The
| 2004 - 2019 | |
| Acuzio Visual Technology Engineering Co. Limited | | 2016 - 2019 | |
| AD-Linkage Limited | - Post Crisis Counseling Network Limited
| 2016 - 2019 | |
| Adan Promotional Concepts (Wholly owned by Artpac Solutions Asia Limited) | | 2018 - 2019 | |
| Addoilmusic Limited | - Hong Kong Playground Association
| 2017 - 2019 | |
| Adecco Personnel Limited | - Hong Kong Young Women's Christian Association
| 2015 - 2019 | |
| adidas Hong Kong Limited | - Hong Kong Committee for UNICEF
- Hong Kong Federation of Youth Groups, The
- Breakthrough (Juvenile Development) Limited
| 2008 - 2019 | |
| ADPLE Marketing Limited | - Hong Kong Rehabilitation Power
| 2011 - 2019 | |
| Adsmart Hong Kong Limited | - Hong Kong Young Women's Christian Association
| 2014 - 2019 | |
| Adtactics Marketing International Limited | - Hong Kong Federation of Youth Groups, The
| 2014 - 2019 | |
| Advance Multimedia Company Limited | - Hong Kong Federation of Youth Groups, The
| 2008 - 2019 | |
| Advance Resources Personnel Consultants Limited | - Social Services of the Hong Kong College of Technology
| 2018 - 2019 | |
| Advancing (Asia) Management Limited | - K For Kids Foundation Limited
| 2017 - 2019 | |
| Adventure Sports Academy Limited | | 2012 - 2019 | |
| AE Majoris Advisory Company Limited | | 2014 - 2019 | |
| AECOM Asia Company Limited | - Hong Kong Red Cross
- TREATS
| 2007 - 2019 | |
| AEG Promotion Limited | - Joyful (Mental Health) Foundation
| 2014 - 2019 | |
| AEON Credit Service (Asia) Co., Ltd. | - Hong Kong Committee for UNICEF
| 2007 - 2019 | |
| AEON Stores (Hong Kong) Co., Limited | - World Vision Hong Kong
- Helping Hand
- Hong Kong Young Women's Christian Association
- Fu Hong Society
- Hong Kong Joint Council of Parents of the Mentally Handicapped, The
| 2002 - 2019 | |
| Aero Speed Logistics Limited | - Professional & Social Services Association Limited
| 2010 - 2019 | |
| Aesmedic Clinic Limited | - Association of Evangelical Free Churches of Hong Kong, The
| 2016 - 2019 | |
| Aeso Limited | | 2018 - 2019 | |
| After Journey Studio | - Hong Kong Playground Association
| 2018 - 2019 | |
| Agape Garden | - The Against Elderly Abuse of Hong Kong
| 2017 - 2019 | |
| Aggressive Construction Company Limited | - Tung Wah Group of Hospitals
| 2017 - 2019 | |
| Agile Group Holdings Limited | - World Vision Hong Kong
- GREENERS ACTION
| 2007 - 2019 | |
| Agnes b. HK Limited | - Tung Wah Group of Hospitals
| 2018 - 2019 | |
| Agricultural Bank of China Limited Hong Kong Branch | - Caritas - Hong Kong
- Lok Sin Tong Benevolent Society, Kowloon
| 2011 - 2019 | |
| Ahimsa Buffet | - Tung Wah Group of Hospitals
| 2017 - 2019 | |
| AHMA Limited | - Wing Tsun Leung Kum Tong Martial Art Fraternity Ltd.
| 2014 - 2019 | |
| Ai Music & Arts Company Limited | - House of Learning Limited
| 2015 - 2019 | |
| AIA International Limited | | 2002 - 2019 | |
| AIM (Hong Kong) Limited | - Christian Family Service Centre
| 2016 - 2019 | |
| aimHigher Consultancy Limited | - Salvation Army, The
- Christian and Missionary Alliance Church Union (HK) Limited
| 2008 - 2019 | |
| Aires Engineering Company Limited | | 2016 - 2019 | |
| Airsoft Sports Limited | - Hong Kong Children and Youth Services
| 2018 - 2019 | |
| AL Design & Associates Limited | - Tung Wah Group of Hospitals
| 2016 - 2019 | |
| ALBA Integrated Waste Solutions (Hong Kong) Limited | - Wofoo Social Enterprises Limited
| 2017 - 2019 | |
| Alex So & Co. | - DISTINCTIVE LEARNING SOCIETY
| 2009 - 2019 | |
| Alibaba.com Hong Kong Limited | | 2009 - 2019 | |
| Alisoft China Holding Limited | | 2018 - 2019 | |
| Allan International Holdings Limited | - Chinese YMCA of Hong Kong
| 2007 - 2019 | |
| Allegro (HK) Limited | - South Kwai Chung Social Service
| 2010 - 2019 | |
| Allen & Overy | - Caring for Children Foundation Limited
| 2002 - 2019 | |
| Alliance Construction Materials Limited | - Caritas - Hong Kong
- United Christian Medical Service
| 2006 - 2019 | |
| Alliance Contracting Co Ltd | - Open Door Ministries Limited
| 2017 - 2019 | |
| Allianz Global Corporate & Specialty SE | | 2014 - 2019 | |
| Allianz Global Investors Asia Pacific Limited | | 2017 - 2019 | |
| Allianz Worldwide Partners (Hong Kong) Limited | - Haven of Hope Christian Service
| 2018 - 2019 | |
