| Healthology Biosciences Limited | - Kwun Tong Fuk Lam Church Limited
| 2020-2021 |  |
| Parawin Industries Limited | - Chinese YMCA of Hong Kong
| 2020-2021 | |
| 01Tech Limited | - Pneumoconiosis Mutual Aid Association
| 2020-2021 | |
| 1 Consultancy & Management Limited | - Hong Kong Christian Service
| 2020-2021 | |
| 101 (Hong Kong) Limited | - New Life Psychiatric Rehabilitation Association
| 2019-2021 | |
| 101 Interior Design & Contracting Limited | - S.K.H. Holy Carpenter Church Community Centre
| 2019-2021 | |
| 101 Studio Limited | - New Life Psychiatric Rehabilitation Association
| 2019-2021 | |
| 21 Finance Limited | - Suicide Prevention Services Limited
| 2014-2021 |  |
| 28 Networking Limited | - Hong Kong Seeing Eye Dog Services Limited
| 2017-2021 | |
| 2H Group Limited | - New Life Psychiatric Rehabilitation Association
| 2020-2021 | |
| 345 Storage | - Wing Wah Charity Foundation Limited
| 2018-2021 | |
| 366 Caring Services Company Limited | | 2017-2021 | |
| 3C Dental Care Limited | - Evangelical Lutheran Church Social Service - Hong Kong
| 2019-2021 | |
| 3D Animation Gallery Company Limited | | 2020-2021 | |
| 3D-Gold Jewellery (HK) Limited | | 2010-2021 |  |
| 3D-Gold Management Services Limited | | 2010-2021 | |
| 3M Hong Kong Limited | - Richmond Fellowship of Hong Kong
| 2006-2021 |  |
| 3S Global Food Limited | - Lok Sin Tong Benevolent Society, Kowloon
| 2017-2021 | |
| 4M Industrial Development Limited | - Hong Kong Family Welfare Society
- Hong Kong Federation of Youth Groups, The
| 2008-2021 | |
| 5R | | 2009-2021 | |
| 8MM Group Limited | - DISTINCTIVE LEARNING SOCIETY
| 2006-2021 | |
| A & A ENGINEERING SERVICES LIMITED | - Well Family Charity Foundation Limited
| 2018-2021 | |
| A & A Limited | - Evangelical Lutheran Church Social Service - Hong Kong
| 2012-2021 | |
| A & S (HK) Logistics Ltd | - Life Education Activity Programme
- Senior Citizen Home Safety Association
| 2011-2021 | |
| A Design Workshop Limited | | 2020-2021 | |
| A Dream Production | | 2015-2021 | |
| A Matter Of Design (MOD) Limited | | 2017-2021 | |
| A Plus World Trade Company Limited | - Hong Kong Sheng Kung Hui Welfare Council Limited
| 2017-2021 | |
| A Studio.vip Limited | | 2020-2021 | |
| A-1 Bakery Co., (HK) Ltd. | - Evangelical Lutheran Church Social Service - Hong Kong
| 2017-2021 | |
| A. Plus Financial Press Limited | - The Boys' Brigade, Hong Kong
| 2009-2021 | |
| A.D.E.C. Medical Alliance Limited | - Hong Kong S.K.H. Lady MacLehose Centre
| 2006-2021 | |
| A.G. Wilkinson & Associates | - Hong Kong Sheng Kung Hui Welfare Council Limited
| 2005-2021 | |
| A.Plus International Financial Press Limited | - The Boys' Brigade, Hong Kong
| 2012-2021 | |
| A.Plus Management Consulting Asia Pacific Limited | - The Boys' Brigade, Hong Kong
| 2017-2021 | |
| A.R. Medicom Inc. (Asia) Limited | - Society for the Promotion of Hospice Care, The
| 2007-2021 | |
| A.S. Watson Group (HK) Limited | - Hong Kong Children and Youth Services
- Hong Kong Young Women's Christian Association
- Hong Chi Association
- Hong Kong Red Cross
- Hans Andersen Club Limited
- St James' Settlement
- Yang Memorial Methodist Social Service
- Hong Kong Christian Service
| 2002-2021 | |
| A.S. Watson Industries | - Hans Andersen Club Limited
- Hong Kong Family Welfare Society
- Hong Kong Young Women's Christian Association
| 2006-2021 | |
| AB Consultancy Limited | - Baptist Oi Kwan Social Service
| 2020-2021 | |
| Able Fame Engineering Limited | - Pok Oi Hospital, Board Office
- Windshield Charitable Foundation
| 2020-2021 | |
| Able Mobile Limited | - Lok Sin Tong Benevolent Society, Kowloon
| 2015-2021 | |
| Able Power Creation Limited | - Polar Museum Foundation Limited
| 2019-2021 | |
| Able Technology Corporation Limited | - Society of Rehabilitation And Crime Prevention, Hong Kong, The
| 2015-2021 | |
| Above The Line Company Limited | - Hong Kong Children and Youth Services
| 2018-2021 | |
| AC DESIGN GROUP LIMITED | | 2013-2021 | |
| Academic Advisers China Limited | - Hong Kong Playground Association
| 2013-2021 | |
| Accenture Company Limited | - SAHK
- Junior Achievement (Hong Kong) Limited
| 2020-2021 | |
| Accolade Corporate Services Limited | | 2016-2021 | |
| Accolade IP Limited | | 2017-2021 | |
| Accounting Development Foundation Ltd. | | 2013-2021 | |
| Accredited Certification International Limited | - Professional & Social Services Association Limited
| 2009-2021 | |
| Ace Mold Company Limited | | 2007-2021 | |
| Aceso Life Science Group Limited | - Strategic CSR Network Limited
| 2018-2021 | |
| Acetop Precious Metals Limited | - Lok Sin Tong Benevolent Society, Kowloon
| 2012-2021 | |
| Achilles Hong Kong Co., Limited | | 2019-2021 | |
| ACP Medication Management Centre O/B Active Care Pharmacy Ltd. | - Heung Hoi Ching Kok Lin Association
| 2014-2021 | |
| ACS Tech System Limited | - Hong Kong Federation of Youth Groups, The
| 2018-2021 | |
| Active Communication Limited | - The Women's Foundation Limited
| 2004-2021 | |
| Active Concept Limited | - Hong Kong Children and Youth Services
| 2016-2021 | |
| Active Learning Solutions Limited | - Hong Kong Federation of Education Workers Education Organisation Limited
| 2017-2021 | |
| ActiveKids Limited | - The Women's Foundation Limited
| 2018-2021 | |
| Acumen Company Limited | - Boys' and Girls' Clubs Association of Hong Kong, The
| 2004-2021 | |
| Acuzio Visual Technology Engineering Co. Limited | - CTU Education Foundation Limited
| 2016-2021 | |
| Adan Promotional Concepts (Wholly owned by Artpac Solutions Asia Limited) | | 2018-2021 | |
| Addoilmusic Limited | - The Incorporated Managment Committee of S.K.H. Good Shephered Primary School
| 2017-2021 | |
| Adecco Personnel Limited | - Social Services of the Hong Kong College of Technology
- Hong Kong Young Women's Christian Association
| 2015-2021 | |
| Adequate Project Management & Consultancy Company Limited | - Wing Tsun Leung Kum Tong Martial Art Fraternity Ltd.
| 2020-2021 | |
| adidas Hong Kong Limited | - Hong Kong Federation of Youth Groups, The
| 2008-2021 | |
| ADPLE Marketing Limited | - Hong Kong Rehabilitation Power
| 2011-2021 | |
| Adsmart Hong Kong Limited | - Hong Kong Young Women's Christian Association
| 2014-2021 | |
| Adtactics Marketing International Limited | - Hong Kong Federation of Youth Groups, The
| 2014-2021 | |
| Advance Force Limited | | 2020-2021 | |
| Advance Multimedia Company Limited | - Hong Kong Federation of Youth Groups, The
| 2008-2021 | |
| Advance Resources Personnel Consultants Limited | - Social Services of the Hong Kong College of Technology
| 2018-2021 | |
| Adventure Sports Academy Limited | | 2012-2021 | |
| AE Majoris Advisory Company Limited | | 2014-2021 | |
| AECOM Asia Company Limited | | 2007-2021 | |
| AEG Promotion Limited | - Joyful (Mental Health) Foundation
| 2014-2021 | |
| AEON Credit Service (Asia) Co., Ltd. | - Hong Kong Committee for UNICEF
| 2007-2021 | |
| AEON Stores (Hong Kong) Co., Limited | - World Vision Hong Kong
- Heep Hong Society
- Helping Hand
- Feeding Hong Kong Limited
- Hong Kong Joint Council of Parents of the Mentally Handicapped, The
| 2002-2021 | |
| Aero Speed Logistics Limited | - Professional & Social Services Association Limited
| 2010-2021 | |
| Aesmedic Clinic Limited | - Hong Kong Children and Youth Services
| 2016-2021 | |
| Aeso Limited | | 2018-2021 | |
| Agape Garden | - The Against Elderly Abuse of Hong Kong
| 2017-2021 | |
| Agape Plus Education Centre | - The Against Elderly Abuse of Hong Kong
| 2019-2021 | |
| Aggressive Construction Company Limited | - Tung Wah Group of Hospitals
| 2017-2021 | |
| Agile Group Holdings Limited | | 2007-2021 | |
| Agnes b. HK Limited | - Tung Wah Group of Hospitals
| 2018-2021 | |
| Agricultural Bank of China Limited Hong Kong Branch | - New Home Association Limited
| 2011-2021 | |
| AHL Communications Limited | | 2019-2021 | |
| AHMA Limited | - Wing Tsun Leung Kum Tong Martial Art Fraternity Ltd.
| 2014-2021 | |
| AIA International Limited | | 2002-2021 | |
| AIM (Hong Kong) Limited | - Society of Rehabilitation And Crime Prevention, Hong Kong, The
| 2016-2021 | |
| aimHigher Consultancy Limited | | 2008-2021 | |
| Aires Engineering Company Limited | | 2016-2021 | |
| Airsoft Sports Limited | - Hong Kong Children and Youth Services
| 2018-2021 | |
| Aji-No-Chinmi Company (Hong Kong) Limited | - Hong Kong Sheng Kung Hui Welfare Council Limited
| 2020-2021 | |
| AL Design & Associates Limited | - Tung Wah Group of Hospitals
| 2016-2021 | |
| ALBA Integrated Waste Solutions (Hong Kong) Limited | - Wofoo Social Enterprises Limited
| 2017-2021 | |
| Alex So & Co. | - DISTINCTIVE LEARNING SOCIETY
| 2009-2021 | |
