| Billingshurst Caterers Ltd | Hospitality | 2019 |
| Billingshurst Cleaning Co. Ltd | Extraterritorial | 2025 |
| Billingshurst Community Transport Limited | Other services | 2003 |
| Billingshurst Family Church | Other services | 2008 |
| Billingshurst MOT & Service Centre Ltd | Wholesale & retail | 2014 |
| Billingshurst PUB Co Ltd | Hospitality | 2026 |
| Billingshurst Romans Rugby Club Ltd | Arts & recreation | 2026 |
| Birdsong Properties Ltd | Real estate | 2025 |
| Bittles Limited | Construction | 2004 |
| Black and Blue Software Ltd | Information & communication | 2005 |
| Black Box Industries Ltd | Extraterritorial | 2022 |
| Blackedge Properties Limited | Construction | 2021 |
| Blackstone Demolition Limited | Construction | 2023 |
| Blackstone Environmental Limited | Water & waste | 2023 |
| Blackstone Strip OUT Ltd | Construction | 2013 |
| Blackstone Sustainability Ltd | Water & waste | 2024 |
| Blaker Group Ltd | Other services | 2005 |
| Blindingnoise Productions Ltd | Administrative & support | 2026 |
| BLS Aviation Ltd | Transport & logistics | 2025 |
| Blue Dragon Foods Limited | Hospitality | 2022 |
| Blue Juice Multimedia Ltd | Information & communication | 2009 |
| Blue Wave Diving Ltd | Education | 2024 |
| Born Yesterday Ltd | Wholesale & retail | 2024 |
| Bourn Meadows Freehold Limited | Extraterritorial | 2008 |
| BP VET Locums Ltd | Professional & scientific | 2013 |
| Breathe & Flow Wellbeing Ltd | Other services | 2025 |
| Brian Chambers Consulting Ltd | Professional & scientific | 2022 |
| Bridge Cottages M.C. Limited | Households | 1996 |
| Brightspark Solutions Limited | Professional & scientific | 1998 |
| Brno Limited | Households | 2002 |
| Broadband Wireless Association Limited | Other services | 2001 |
| Bromleytec Ltd | Administrative & support | 2025 |
| Brookbridge Management Ltd | Households | 2022 |
| BTK Maintenance Services Ltd | Administrative & support | 2024 |
| Buchanon Building Services Ltd | Construction | 2012 |
| Burton SAW International Limited | Manufacturing | 1976 |
| Business Allies Ltd | Professional & scientific | 2024 |
| C Foden & Co Ltd | Real estate | 2022 |
| C J Walker Limited | Professional & scientific | 2021 |
| C R Carey Limited | Manufacturing | 2015 |
| Cadsoft Services Limited | Professional & scientific | 2003 |
| Cagadvisory Ltd | Financial services | 2025 |
| Calli's Corner Limited | Wholesale & retail | 2000 |
| Camistar Limited | Construction | 2009 |
| Care Water Solutions Ltd | Professional & scientific | 2025 |
| Casper Renovations Ltd | Construction | 2009 |
| Cathcor Limited | Financial services | 2002 |
| Cato Electrical Services Ltd | Construction | 2019 |
| CDM Holdings Group Limited | Professional & scientific | 2026 |
| Cedar Farm Investments Limited | Other services | 2013 |
| Cevac Limited | Wholesale & retail | 1993 |
| Changefolio UK Limited | Professional & scientific | 2021 |
| Chapel House Services Limited | Real estate | 2017 |
| Charles Muddle Limited | Water & waste | 1982 |
| Charles Muddle Properties Limited | Real estate | 2015 |
| Charles Wadey & Sons Limited | Construction | 2010 |
| Charleshurst Farm Ltd | Agriculture & fishing | 2025 |
| Chart Equestrian Limited | Agriculture & fishing | 2025 |
| Chestnut Trees Management Company Limited | Households | 2007 |
| Chilliwack Enterprises Limited | Administrative & support | 1995 |
| Churchgate Heritage Limited | Construction | 2023 |
| Churchlands Farm Group Ltd | Agriculture & fishing | 2024 |
| Churchlands Farm Ltd | Agriculture & fishing | 2024 |
| Cinnamon Billinsghurst Ltd. | Hospitality | 2015 |
| Citrus Signs Ltd | Administrative & support | 2014 |
| Clean AS a Whistle (London & Herts) Ltd | Other services | 2006 |
| Clustered Systems Ltd | Professional & scientific | 2023 |
| Cmrc Project Management Services Ltd | Information & communication | 2019 |
| Cmsco Limited | Professional & scientific | 2010 |
| Cnpr Properties Limited | Real estate | 2014 |
| Coche Conexion Ltd | Wholesale & retail | 2022 |
| Coco & Clara Ltd | Wholesale & retail | 2019 |
| Codebase Software Limited | Information & communication | 2017 |
| Colescars Ltd | Wholesale & retail | 2025 |
| Colomor (Electronics) Limited | Wholesale & retail | 1967 |
| Comfrey Polo Ltd | Arts & recreation | 2016 |
| Comply Sense Limited | Education | 2023 |
| Composure Accounting & Taxation Limited | Professional & scientific | 2014 |
| Composure Consulting Limited | Extraterritorial | 2012 |
| Constance Media Limited | Information & communication | 2005 |
| Construction Plant Professionals Ltd | Construction | 2024 |
| Coren Wine Limited | Wholesale & retail | 2019 |
| Corona House Management Company Limited | Construction | 2008 |
| Costello Interiors Limited | Professional & scientific | 1990 |
| CP Equine Services Ltd | Agriculture & fishing | 2019 |
| Creative Academies Ltd | Professional & scientific | 2021 |
| Cremer,Whiting & Co.,Limited | Extraterritorial | 1924 |
| Crook and Co Accountancy Limited | Professional & scientific | 2024 |
| Crowhill Management Services Limited | Professional & scientific | 2010 |
| Crowzon (Holdings) Limited | Real estate | 2001 |
| Cube Analytics Ltd | Financial services | 2025 |
| Cumulus Group Limited | Extraterritorial | 2014 |
| Cumulus Marketing Limited | Extraterritorial | 2014 |
| Cumulus Services Number One Limited | Extraterritorial | 2014 |
| CXA Ltd | Professional & scientific | 2012 |
| Cyclowest UK Ltd | Health & social care | 2023 |
| D & L Correale and Sons Limited | Agriculture & fishing | 2012 |
| D M Streaming Ltd | Professional & scientific | 2022 |
| Dashing Donkeys Limited | Arts & recreation | 2016 |
| Daux HB Builders Ltd | Construction | 2016 |