| Angela Ho & Associates | - The Rock Foundation Limited
| 2013-2024 |  |
| Angie International Limited | | 2017-2024 |  |
| Anglia Design Limited | - Hong Kong Breast Cancer Foundation Limited
| 2012-2024 | |
| Anlex Advisory Limited | - Baptist Oi Kwan Social Service
| 2019-2024 | |
| Annabelle International Limited | - Wing Tsun Leung Kum Tong Martial Art Fraternity Ltd.
| 2016-2024 | |
| Anson Motor Car Company Limited | - Love Family Charity Limited
| 2018-2024 | |
| Antalis (Hong Kong) Limited | - New Life Psychiatric Rehabilitation Association
| 2021-2024 |  |
| Anway Limited | - Hans Andersen Club Limited
| 2010-2024 | |
| Anytime Fitness Hong Kong | - Yang Memorial Methodist Social Service
| 2022-2024 | |
| APAC Intelligence Group Limited | - Bo Charity Foundation Limited
| 2014-2024 | |
| APES Production Limited | | 2018-2024 | |
| Apex Insurance (Holdings) Limited | - Hong Kong New Arrivals Services Foundation Limited
| 2019-2024 | |
| Apex Retail Limited | - Hong Kong Rett Syndrome Association
| 2023-2024 | |
| ApisTechnology Limited | - The Chinese Rhenish Church Hong Kong Synod, Social Service Department
| 2019-2024 | |
| apm | - Hong Kong Sheng Kung Hui Welfare Council Limited
| 2006-2024 |  |
| APPLIED DEVELOPMENT HOLDINGS LIMITED | - HONG KONG ASSOCIATION OF AGING IN PLACE LIMITED
| 2023-2024 | |
| AQUA Pro Beauty Limited | - Sports Association for the Blind Darkness Fighters Limited
| 2021-2024 | |
| ARA Asset Management (Fortune) Limited | - Hong Kong Family Welfare Society
- New Territories Association Retraining Centre Limited
| 2010-2024 | |
| ARA Asset Management (Fortune) Limited - Centre de Laguna | - New Territories Association Retraining Centre Limited
| 2011-2024 | |
| ARA Asset Management (Fortune) Limited - Fortune City One Plus | - New Life Psychiatric Rehabilitation Association
| 2011-2024 | |
| ARA Asset Management (Fortune) Limited - Hampton Loft | - New Territories Association Retraining Centre Limited
| 2022-2024 | |
| ARA Asset Management (Fortune) Limited - Jubilee Square | - New Life Psychiatric Rehabilitation Association
| 2011-2024 | |
| ARA Asset Management (Fortune) Limited - Ma On Shan Plaza | - New Life Psychiatric Rehabilitation Association
| 2011-2024 | |
| ARA Asset Management (Fortune) Limited - Metro Town Shopping Mall | - New Life Psychiatric Rehabilitation Association
| 2011-2024 | |
| ARA Asset Management (Fortune) Limited - Smartland | - New Territories Association Retraining Centre Limited
| 2011-2024 | |
| ARA Asset Management (Fortune) Limited – +WOO Management Services Centre | - New Territories Association Retraining Centre Limited
| 2014-2024 | |
| ARA Asset Management (Prosperity) Limited | - Evangelical Lutheran Church Social Service - Hong Kong
| 2010-2024 | |
| Aramex Hong Kong, Limited | - The Hong Kong Federation of Youth Groups
| 2021-2024 | |
| Arcadis Asia Limited | | 2018-2024 | |
| Architecture and Goods Limited | - The Community Chest of Hong Kong
| 2017-2024 | |
| Archment Consulting Limited | - Christian Family Service Centre
| 2020-2024 | |
| Archon Wellness Limited | | 2023-2024 | |
| Archzoft Solutions Limited | - Christian Family Service Centre
| 2020-2024 | |
| Arconic International (Asia) Limited | - Hong Kong Christian Service
| 2008-2024 | |
| Ark Garden Limited | - Tung Wah Group of Hospitals
| 2019-2024 | |
| Armitage Technologies Ltd. | | 2013-2024 | |
| Arnhold & Company, Limited | - HANDSON HONG KONG LIMITED
| 2015-2024 | |
| Aroma Office Limited | - Yang Memorial Methodist Social Service
| 2020-2024 | |
| Arredamenti Company Limited | - Chinese Young Men's Christian Association of Hong Kong
| 2010-2024 | |
| Arrow Asia Pac Limited | - Christian Family Service Centre
- The Conservancy Association
| 2012-2024 | |
| Arrowtech Engineering (H.K.) Company Limited | - Lok Sin Tong Benevolent Society, Kowloon
| 2016-2024 | |
| Artist Printing & Design Co., Ltd. | - Urban Peacemaker Evangelistic Fellowship Limited, The
| 2007-2024 | |
| Artopx Limited | - Boys' and Girls' Clubs Association of Hong Kong, The
| 2022-2024 | |
| Artpac Solutions Asia Ltd | | 2011-2024 | |
| Arts Plus | - Playright Children's Play Association
| 2018-2024 | |
| Artspirit Creative Company Limited | - The Hong Kong Federation of Youth Groups
| 2017-2024 | |
| Artus Piano Co | - Hong Kong Children and Youth Services
| 2020-2024 | |
| Arvato Hong Kong Limited | | 2016-2024 | |
| ASANA 360 Global Limited | - New Home Association Limited
| 2020-2024 | |
| ASC (HK) Limited | - Hong Kong Playground Association
| 2013-2024 | |
| Ascensia Diabetes Care Hong Kong Limited | | 2016-2024 | |
| Asgard Group Limited | - Hong Kong Down Syndrome Association, The
| 2022-2024 | |
| Asia Airfreight Terminal Company Limited | - Hong Kong S.K.H. Lady MacLehose Centre
| 2019-2024 | |
| Asia Consultancy Engineers Limited | - Child Cares Foundation Company Limited
| 2020-2024 | |
| ASIA HEALTH PRODUCTS LIMITED | | 2019-2024 | |
| Asia Insurance Co., Ltd. | - Green Power
- Tung Wah Group of Hospitals
- Evangelical Lutheran Church Social Service - Hong Kong
| 2005-2024 | |
| Asia Medical Specialists Limited | | 2019-2024 | |
| Asia Minerals Limited | | 2023-2024 | |
| Asia Pacific Beauty Group Limited | - Wing Tsun Leung Kum Tong Martial Art Fraternity Ltd.
| 2018-2024 | |
| Asia Pacific Business CPA Limited | | 2016-2024 | |
| Asia Pacific Catering Corp. Ltd.- Luncheon Star | - Community Leap Limited
- Caritas - Hong Kong
| 2011-2024 | |
| Asia Pacific Catering Corporation Limited | | 2013-2024 | |
| Asia Pacific Media Cultural Association Limited | - Hong Kong Elderly Emergency Services Fund Limited
| 2017-2024 | |
| Asia Port Services Limited | - The Chinese Rhenish Church Hong Kong Synod, Social Service Department
- Caritas - Hong Kong
| 2005-2024 | |
| Asia Property Agency Co., Ltd | - HKCT Institute of Higher Education
| 2007-2024 | |
| Asia Satellite Telecommunications Company Limited | - Children's Heart Foundation
| 2015-2024 | |
| Asia Standard Hotel Group Ltd | | 2009-2024 | |
| Asian Academy for Sports and Fitness Professionals (AASFP) | - Hong Kong Young Women's Christian Association
| 2007-2024 | |
| Asian Alliance (HK) CPA Limited | - Lok Sin Tong Benevolent Society, Kowloon
| 2011-2024 | |
| Asian Capital Limited | | 2008-2024 | |
| AsiaNet Communications Limited | | 2017-2024 | |
| AsiaPac Net Media Limited | - Achievement Foundation Limited
| 2011-2024 | |
| Asiaworks Limited | - Make A Difference M.A.D. Charity Fund HK Limit
| 2020-2024 | |
| AsiaWorld-Expo Management Limited | - Society of Rehabilitation And Crime Prevention, Hong Kong, The
| 2007-2024 | |
| ASMPT Limited | - Hong Kong Christian Service
| 2012-2024 | |
| ASSA ABLOY Hong Kong Limited | - United Christian Medical Service
| 2015-2024 | |
| Associated Engineers, Ltd | - Tung Wah Group of Hospitals
| 2009-2024 | |
| Associated Kokusai Services Limited | | 2021-2024 | |
| Astellas Pharma Hong Kong Company Limited | | 2016-2024 | |
| ASTRAZENECA HONG KONG LIMITED | | 2016-2024 | |
| ASUS Technology (Hong Kong) Limited | - CNEC Kei Shek Social Service Centre Limited
- Christian Action
| 2014-2024 | |
| AT Home Design Company Limited | - Lok Sin Tong Benevolent Society, Kowloon
| 2021-2024 | |
| AT&T Asia/Pacific Group Limited | - Junior Achievement (Hong Kong) Limited
| 2022-2024 | |
| ATAL Engineering Limited | - Open Door Ministries Limited
| 2006-2024 | |
| Athena Best Financial Group Limited | - Playright Children's Play Association
| 2013-2024 | |
| Athenasia Consulting Limited | - Feeding Hong Kong Limited
| 2017-2024 | |
| Atkins China Ltd. | - Yang Memorial Methodist Social Service
| 2008-2024 | |
| Atlaspace (Hong Kong) Limited | - PROJECT ORBIS INTERNATIONAL, INC
| 2019-2024 | |
| Atos Information Technology HK Limited | - Hong Kong Family Welfare Society
| 2005-2024 | |
| Atypic Company Limited | - The Hong Kong Association of Hair Design Charity Foundation Limited
| 2022-2024 | |
| Auberge Discovery Bay Hong Kong | | 2013-2024 | |
| Aura Global Limited | - Junior Chamber International Apex (Hong Kong) Limited
| 2020-2024 | |
| Aurora Foundation Limited | - The International Centre of Sakyamunis Culture Limited
| 2019-2024 | |
| AusCode Worldwide Limited | - Wing Tsun Leung Kum Tong Martial Art Fraternity Ltd.
| 2016-2024 | |
| Aussco Hong Kong Limited | | 2015-2024 | |
| Ausupreme International Holdings Limited | | 2018-2024 | |
| Autism Partnership Limited | - Autism Partnership Foundation Limited
| 2023-2024 | |
| Auto Beauty | | 2009-2024 | |
| Auto Force Motor Services | - Hong Kong Youth Counselling Association
| 2023-2024 | |
| Auto Italia (Hong Kong) Limited | - Suicide Prevention Services Limited
| 2018-2024 | |
