| Boston Scientific Hong Kong Limited | - Care For Your Heart
- Hong Kong Christian Mutual Improvement Society
| 2022-2024 |  |
| BPS Global Management Limited | - The Hong Kong Buddhist Association
| 2021-2024 | |
| BreadTalk Concept Hong Kong Limited | - Christian Action
- HKCT Institute of Higher Education
| 2008-2024 |  |
| Brenntag Chemicals (HK) Pte Limited | - Baptist Oi Kwan Social Service
| 2012-2024 |  |
| BridgeLink Language Services Ltd. | - Tsung Tsin Mission of Hong Kong Social Service, The
| 2010-2024 | |
| Bright Future Pharmaceutical Laboratories Limited | | 2015-2024 |  |
| Bright Smart Securities International (H.K.) Limited | - Joyful (Mental Health) Foundation
| 2011-2024 | |
| Bright Sun Corp Ltd | | 2005-2024 | |
| Bright Union International Limited | - Asbury Methodist Social Service
| 2014-2024 | |
| Bright Way Industries Limited | - Shining Stars Foundation Limited
| 2017-2024 | |
| BRIGHTEN THERAPY LIMITED | - Lovexpress Foundation Limited
| 2019-2024 | |
| Brightness Knight Management Limited | - Touch Elderly Caring Welfare Centre Limited
| 2023-2024 | |
| Brilliant Business Centre Limited | | 2015-2024 | |
| Brilliant International INC. Limited | - Lok Sin Tong Benevolent Society, Kowloon
| 2023-2024 | |
| Brilliant Precious Metals Limited | - Lok Sin Tong Benevolent Society, Kowloon
| 2013-2024 | |
| Brilliant Printing Limited | | 2010-2024 | |
| Brilliant Talent CPA Limited | - Hong Kong Sheng Kung Hui Welfare Council Limited
| 2022-2024 | |
| Brink's Cash Solutions (Hong Kong) Limited | The Hong Kong Society for the Blind | 2021-2024 | |
| Brink's Hong Kong Limited | The Hong Kong Society for the Blind | 2011-2024 | |
| Bristol-Myers Squibb Pharma (HK) Limited | - Hong Kong Anti-Cancer Society, The
| 2018-2024 | |
| BRITA Hong Kong Limited | | 2020-2024 | |
| British Dry Cleaners Co., Ltd. | | 2018-2024 | |
| Broad Capital Limited | - Hong Kong Christian Service
| 2017-2024 | |
| Brother International (HK) Limited | | 2019-2024 | |
| BSH Home Appliances Limited | | 2008-2024 | |
| BSL Containers Limited | - The Hong Kong Federation of Youth Groups
| 2018-2024 | |
| BTW Project Engineering Limited | - Hong Kong Lutheran Social Service, Lutheran Church - Hong Kong Synod
| 2020-2024 | |
| Bubble Tree | - Mental Health Association of Hong Kong, The
| 2014-2024 | |
| Buds Creative Factory | - Hong Kong Children and Youth Services
| 2017-2024 | |
| Build King Holdings Limited | | 2014-2024 | |
| Buildeco Contracting (Hong Kong) Co., Limited | - G4ONE SOCIAL ENTERPRISE LIMIT
| 2016-2024 | |
| Builderprise (Hong Kong) Company Limited | - Pneumoconiosis Mutual Aid Association
| 2019-2024 | |
| Bun Kee (International) Limited | - Open Door Ministries Limited
- Mission to New Arrivals Limited
| 2013-2024 | |
| Buttar & Associates | | 2015-2024 | |
| BUYBLE Limited | - Hong Kong Children and Youth Services
| 2021-2024 | |
| BWMF Communications Limited | | 2020-2024 | |
| BYME Engineering (Hong Kong) Limited | - Hong Kong Family Welfare Society
| 2014-2024 | |
| C & A Sourcing Limited | - Caritas - Hong Kong
- KELY Support Group
| 2018-2024 | |
| C & C Security Printing Company Limited | | 2009-2024 | |
| C & K Recycle Company Limited | - Yan Chai Hospital Social Services Department
| 2010-2024 | |
| C & S Smartsafe Limited | - The Hong Kong Federation of Youth Groups
| 2020-2024 | |
| C & Y Accounting Management Limited | - New Wish Charity Foundation Limited
| 2012-2024 | |
| C S Surveyors Limited | | 2017-2024 | |
| C&C Joint Printing Co., (H.K.) Ltd. | | 2012-2024 | |
| C. C. Wu International Co., Ltd. | | 2009-2024 | |
| C. Y. LAM & CO. | - Hong Kong Young Women's Christian Association
| 2014-2024 | |
| C.H.K.C Building Management Limited | - Hong Kong Girl Guides Association
| 2009-2024 | |
| Cafe de Coral Fast Food Limited | - Community Leap Limited
- Caritas - Hong Kong
- Hong Chi Association
| 2012-2024 | |
| Café de Coral Holdings Limited | - Community Leap Limited
- Christian Family Service Centre
- Caritas - Hong Kong
- Hong Chi Association
- Fu Hong Society
| 2011-2024 | |
| Cameron Dental Center | - Children's Thalassaemia Foundation
| 2023-2024 | |
| Cammie Chan Cheongsam | - Arts with the Disabled Association Hong Kong
| 2020-2024 | |
| Cancerinformation.com.hk Limited | - Mental Health Association of Hong Kong, The
| 2012-2024 | |
| Candle Joke | | 2023-2024 | |
| Canvas Beauty International Limited | | 2017-2024 | |
| Capital Financial Press Limited | - The Society of Chinese Wisdom & Management Company Limited
| 2016-2024 | |
| Cardinal Points Advertising Co. Limited | - Hong Kong Angelman Syndrome Foundation Limited
| 2017-2024 | |
| Care For You Company Limited | - Hong Kong Neuro-Muscular Disease Association Limited
| 2017-2024 | |
| Care U Professional Nursing Service Limited | | 2015-2024 | |
| Career Times Online Limited | - Generation: You Employed (HK) Limit
| 2014-2024 | |
| Carefree Finance Company Limited | - Rev. Brother Paul Sun Education Foundation
| 2015-2024 | |
| CareTech System Limited | | 2020-2024 | |
| Carewin Engineering Limited | - Light and Love Home Limited
| 2015-2024 | |
| Cargo Services Far East Limited | - The Hong Kong Federation of Youth Groups
| 2018-2024 | |
| Cargotec Asia Limited | - Hong Kong Young Women's Christian Association
| 2009-2024 | |
| Carlsberg Brewery Hong Kong Limited | | 2019-2024 | |
| Carpet Concept Company Limited | - The Boys' Brigade, Hong Kong
| 2012-2024 | |
| Carret Private Capital Limited | - Children's Medical Foundation Limited
| 2021-2024 | |
| Carrier Hong Kong Limited | - Boys' and Girls' Clubs Association of Hong Kong, The
| 2015-2024 | |
| Carter's Global Sourcing Limited | | 2017-2024 | |
| Carthy Limited | - Tung Wah Group of Hospitals
| 2008-2024 | |
| Casa Republic (International) Limited | - The Hong Kong Federation of Youth Groups
| 2019-2024 | |
| Casablanca Hong Kong Limited | - Yan Chai Hospital Social Services Department
| 2012-2024 | |
| CASH Algo Finance Group Limited | - HKCT Institute of Higher Education
| 2015-2024 | |
| CASH Financial Services Group Limited | - HKCT Institute of Higher Education
| 2005-2024 | |
| Cashing Pro Limited | - Society for the Prevention of Cruelty to Animals (Hong Kong)
| 2023-2024 | |
| CASO (HK) Engineering Co., Limited | | 2015-2024 | |
| Cassy Fashion Company Limited | - Sham Shui Po Community Association Limited
| 2020-2024 | |
| Castle Service Limited | - The Hong Kong Federation of Youth Groups
| 2020-2024 | |
| Catalo Natural Health Foods Limited | | 2007-2024 | |
| Cateye Communications Limited | - Richmond Fellowship of Hong Kong
| 2018-2024 | |
| Cathay Pacific Services Limited | - Hong Kong Christian Service
| 2019-2024 | |
| CATHAY UNITED BANK COMPANY, LIMITED | - Hong Kong Family Welfare Society
| 2019-2024 | |
| Cathypaul Diamond Limited | - Junior Chamber International Dragon (Hong Kong) Limited
| 2022-2024 | |
| Catil Int'l Ent'l Ltd. | - HKCT Institute of Higher Education
| 2007-2024 | |
| Catil International Holdings Limited | - HKCT Institute of Higher Education
| 2016-2024 | |
| CatoMind Limited | | 2022-2024 | |
| Causeway Corner Limited | - Baptist Oi Kwan Social Service
| 2011-2024 | |
| Cayee Design Limited | | 2011-2024 | |
| Cayley Property Management Ltd - City Garden | | 2016-2024 | |
| CBRE Limited | | 2005-2024 | |
| CCB International (Holdings) Limited | - Hong Kong Committee for UNICEF
| 2017-2024 | |
| CEDAR Construction Co. Ltd. | - The Industrial Evangelistic Fellowship Limited
| 2005-2024 | |
| Cedric and Jack Dental Care Limited | - Chinese Young Men's Christian Association of Hong Kong
| 2015-2024 | |
| CEI Conrad Electronic International (HK) Limited | - Bo Charity Foundation Limited
| 2017-2024 | |
| Celebrate Club Limited | - ABM Hong Kong Swatow Baptist Church Community Service Association, The
| 2014-2024 | |
| Celestial Asia Securities Holdings Limited | - HKCT Institute of Higher Education
| 2006-2024 | |
| Cemma Enterprise Co., Ltd. | - Tung Wah Group of Hospitals
| 2006-2024 | |
| Centaline Financial Group | - HKCT Institute of Higher Education
| 2018-2024 | |
| Central Business Information Limited | - Urban Peacemaker Evangelistic Fellowship Limited, The
| 2016-2024 | |
| Central Insurance Management Limited | | 2009-2024 | |
