| 1 to 6 the Meadows Residents Association Ltd | Households | 2017 |
| 11 Briton Hill RD Management Company Ltd | Households | 2023 |
| 16 and 16A Grove Road Limited | Households | 2007 |
| 1GS Operations Ltd | Hospitality | 2026 |
| 23 Homefield Road Management Co. Ltd | Households | 2016 |
| 27 Woodfield Hill Ltd | Households | 2024 |
| 4 the Green Ltd | Wholesale & retail | 2021 |
| 86 Burnt ASH Hill LEE Residents Association Limited | Households | 1993 |
| A & D Business Limited | Extraterritorial | 2015 |
| A & V Insulation Ltd | Construction | 2019 |
| A V Sales Limited | Wholesale & retail | 2014 |
| A.Thompson Building and Construction Ltd | Construction | 2022 |
| Aashi Links & Co Ltd | Health & social care | 2019 |
| Acashc Ltd | Wholesale & retail | 2024 |
| Account Management Skills Ltd. | Professional & scientific | 2010 |
| Acronotics Limited | Information & communication | 2017 |
| Addilms Limited | Health & social care | 2011 |
| Addition and Submission Limited | Professional & scientific | 2021 |
| Adunola Business Solutions Ltd | Health & social care | 2012 |
| AES Property Development Limited | Construction | 2023 |
| Aether Innovations Group Ltd | Manufacturing | 2024 |
| Affordable Driveways & Patios Ltd | Construction | 2025 |
| AG Works Ltd | Construction | 2020 |
| AGW Interim Ltd | Professional & scientific | 2015 |
| Alan Day Consultancy Limited | Financial services | 2014 |
| ALB Waste Removal Services Ltd | Water & waste | 2019 |
| Ales on the Green Limited | Wholesale & retail | 2024 |
| Alessandro Cooper Consultancy Ltd | Professional & scientific | 2022 |
| Alessi Properties Ltd | Real estate | 2025 |
| Allenby Coach Hire Limited | Transport & logistics | 2005 |
| Almark Development Limited | Construction | 2025 |
| Alpha Care (Caterham) Limited | Health & social care | 2001 |
| Alpha Care Castlemaine Limited | Health & social care | 2007 |
| Alpha Care Epsom Ltd | Health & social care | 2024 |
| Alpha Care Healthcare Ltd | Health & social care | 2024 |
| Alpha Care Kenley Ltd | Health & social care | 2015 |
| ALX Hair Ltd | Other services | 2018 |
| Amplify Digital Marketing Ltd | Administrative & support | 2018 |
| ANC Beauty & Aesthetics Limited | Other services | 2025 |
| Andersen Consulting Limited | Administrative & support | 2017 |
| Andrew JAY Ltd | Education | 2020 |
| Anglian Drives & Patios Limited | Construction | 2019 |
| Animal Pals Limited | Professional & scientific | 2025 |
| Ankush Limited | Wholesale & retail | 2003 |
| APG Electrical Limited | Construction | 2008 |
| Apna Aashyana | Health & social care | 2000 |
| Aranya Care Limited | Health & social care | 2025 |
| ASP CG Ltd | Professional & scientific | 2025 |
| AST Solutions Ltd | Information & communication | 2008 |
| Astr Realty Limited | Real estate | 2022 |
| B Krelle Ltd | Construction | 2020 |
| Babyballet Caterham Limited | Arts & recreation | 2013 |
| Balti Tandoori Limited | Hospitality | 2024 |
| Banstead Athletic Community Football Club Limited | Arts & recreation | 2024 |
| Baraka Finance Ltd | Professional & scientific | 2024 |
| Barker Build Services Ltd | Construction | 2018 |
| Barn Limited | Professional & scientific | 2002 |
| Baroque Weatherup-Barber Ltd | Real estate | 2017 |
| BC Enterprises Limited | Professional & scientific | 2006 |
| BDM Cleaning Ltd | Administrative & support | 2010 |
| BDM Facilities Solutions Ltd | Administrative & support | 2025 |
| Beauty in Bald CIC | Administrative & support | 2026 |
| Beauty Star Academy Ltd. | Education | 2019 |
| Benny Blancos Ltd | Manufacturing | 2017 |
| Bensham Properties Limited | Real estate | 2011 |
| Bertoli Property Holdings Limited | Real estate | 2025 |
| Big & Small Landscapes Ltd | Construction | 2021 |
| Black KOI Commercial Services Ltd | Professional & scientific | 2025 |
| Blind Screens London Ltd | Construction | 2025 |
| Blinds by Design (London) Limited | Manufacturing | 1999 |
| Blues Cleaning Services Limited | Other services | 2022 |
| Body Buffet Limited | Manufacturing | 2009 |
| Boom Tennis Coaching Limited | Arts & recreation | 2017 |
| Bouchons & Co Imports Ltd | Wholesale & retail | 2025 |
| Bournewood Grove (Warlingham) Management Company Limited | Households | 2012 |
| Bpos-Group | Education | 2021 |
| BPS Access Solutions Ltd | Wholesale & retail | 2003 |
| BPS Hold Co. Ltd | Financial services | 2024 |
| Britindia Global Limited | Real estate | 2016 |
| Cactuseed Ltd | Information & communication | 2021 |
| Capture Media Ltd | Information & communication | 2011 |
| Case Building Contractors Limited | Construction | 2011 |
| Castle AV Solutions Ltd | Administrative & support | 2017 |
| Castle Construction Solutions Ltd | Construction | 2023 |
| Castle Holdings Solutions Ltd | Real estate | 2026 |
| Catena Consulting Services Ltd | Professional & scientific | 2023 |
| Caterham Consulting Services Ltd | Information & communication | 2013 |
| CBK Design & Build Ltd | Other services | 2022 |
| Cedar Cards Ltd | Wholesale & retail | 2017 |
| CGL Fire Safety Ltd | Construction | 2024 |
| Chameleon Enterprises Ltd | Construction | 2016 |
| Change Enablers Ltd | Real estate | 2010 |
| Chartmead Ltd | Financial services | 2010 |
| Cheermead Limited | Real estate | 1985 |
| Cherry Bomb Productions Limited | Information & communication | 2020 |
| Cherry PIE Farm Limited | Real estate | 2025 |
| Chez Vous Events Limited | Hospitality | 1996 |
| Chris Orrin Consultancy Ltd | Information & communication | 2020 |
| Claire Erskine Interiors Limited | Professional & scientific | 2023 |
| Clarke Flow Ltd | Information & communication | 2025 |