| Chartreuse Calculations Limited | Professional & scientific | 2003 |
| Chelsea Technologies Ltd | Manufacturing | 1964 |
| Chemora Group Ltd | Wholesale & retail | 2026 |
| Christopher Anthony Financial Services Limited | Financial services | 2026 |
| Christopher Anthony Property Services Limited | Real estate | 2019 |
| Cinar's Sauce Ltd | Manufacturing | 2019 |
| Climate Wise Group Ltd | Construction | 2025 |
| Cloud FD Limited | Professional & scientific | 2011 |
| Coelho Comms Limited | Professional & scientific | 2021 |
| Coles Building & Development Ltd | Construction | 2025 |
| Comet Wealth Ltd | Financial services | 2007 |
| Complete Coachworks Ltd | Wholesale & retail | 2022 |
| Confi-Dent Allcare Limited | Health & social care | 2006 |
| Consultica Professional Services Ltd | Professional & scientific | 2009 |
| Continuity Through Planning Ltd | Professional & scientific | 2021 |
| Cooks Private Hire Taxis Ltd | Transport & logistics | 2002 |
| Copperwheat Conversions Ltd | Construction | 2021 |
| Copperwheat Cost Intelligence Ltd | Information & communication | 2025 |
| Corinthian Security Services Ltd | Administrative & support | 2026 |
| Covelya Group Limited | Professional & scientific | 2020 |
| Covelya Limited | Manufacturing | 2021 |
| Crest Construction Group Limited | Construction | 2025 |
| Cuppies N Cream Limited | Wholesale & retail | 2020 |
| Curling Carpentry Limited | Construction | 2025 |
| Curtis Cars Ltd | Transport & logistics | 2002 |
| CWA Fisheries Limited | Construction | 1990 |
| D & L Heating Limited | Construction | 2003 |
| D & L Autos Limited | Wholesale & retail | 2011 |
| D Weston Ltd | Extraterritorial | 2022 |
| Daas Global Helicopter Services Limited | Administrative & support | 2012 |
| Damilah Limited | Real estate | 2020 |
| Data Alchemy Limited | Professional & scientific | 2020 |
| DATA2IMPACT Limited | Professional & scientific | 1999 |
| Daztech Cloud Ltd | Information & communication | 2020 |
| DC Production Ltd | Professional & scientific | 2013 |
| Dead Lazy Limited | Information & communication | 2014 |
| DESIGN12 Furniture Ltd | Other services | 2017 |
| DG Electrical Installation Services Ltd | Construction | 2024 |
| DH Coordination Services Ltd | Construction | 2015 |
| Digicool Solutions Ltd | Construction | 2026 |
| Digital Acoustics Limited | Manufacturing | 2015 |
| DMK News Limited | Wholesale & retail | 2010 |
| DN & DP Limited | Real estate | 2020 |
| Dog and Partridge (Yateley) Ltd | Hospitality | 2014 |
| Dolly Films Limited | Professional & scientific | 1999 |
| Dolly Properties Limited | Real estate | 2019 |
| Dolphin Square Osteopaths Limited | Health & social care | 2012 |
| Dowthwaite and Partners Ltd | Professional & scientific | 2013 |
| Dravora Finance Ltd | Financial services | 2025 |
| Driftways Management Company Limited | Professional & scientific | 2005 |
| Driveway Builders Limited | Construction | 2008 |
| Duncan Woolger Golf Limited | Arts & recreation | 2008 |
| E E Sharp & SON Limited | Construction | 2006 |
| E-Structuredcabling Limited | Information & communication | 2014 |
| E.P Plastering Services Ltd | Construction | 2018 |
| Eco Garden Rooms South Ltd | Professional & scientific | 2024 |
| Eco Ground Screws Limited | Construction | 2025 |
| Ecobogie Ukeig | | 2015 |
| Elemntl Services Limited | Professional & scientific | 2026 |
| Elos Wellness Ltd | Information & communication | 2025 |
| Emily Andrews Ltd | Professional & scientific | 2020 |
| Emmerson Brown Properties Limited | Real estate | 2025 |
| Etherley Construction Ltd | Construction | 2023 |
| Ethos Software Architecture Limited | Information & communication | 1999 |
| European Soccer Centres Limited | Arts & recreation | 2009 |
| Eventory (South Berkshire) Limited | Real estate | 2007 |
| Fallowfield Landscapes & Property Maintenance Limited | Construction | 2023 |
| Find Your Activity Limited | Professional & scientific | 2018 |
| Fintech Revolutions Limited | Information & communication | 2018 |
| Fleet Fire Limited | Public administration | 2020 |
| Fluency First Tuition Ltd | Education | 2025 |
| FOCUS90 Limited | Financial services | 2025 |
| Forcys Limited | Manufacturing | 2022 |
| Four Walls Capital Limited | Real estate | 2025 |
| Framework Limited | Administrative & support | 1996 |
| Frank & SON Roofing & Landscaping Ltd | Construction | 2024 |
| Full Network Solutions Ltd | Information & communication | 2022 |
| Further Afield Travel Limited | Administrative & support | 2025 |
| Future GK Ltd | Other services | 2016 |
| G & M Roof Cleaning Ltd | Administrative & support | 2016 |
| G Kite Engineering Services Limited | Extraterritorial | 2024 |
| G2TC Holdings Limited | Financial services | 2024 |
| Gascat Europe Limited | Manufacturing | 2013 |
| Gascat International Limited | Manufacturing | 2014 |
| GDE Fire & Security Ltd | Administrative & support | 2022 |
| Gflip Ltd | Real estate | 2025 |
| Glitchnote Ltd | Information & communication | 2025 |
| Global Fashion Consultants Ltd | Professional & scientific | 2020 |
| Global Promotional Wear Ltd | Other services | 1998 |
| Good Gravy Ltd | Information & communication | 2026 |
| GPM Property Solutions Limited | Construction | 2014 |
| GR8 Construction & Carpentry Ltd | Construction | 2015 |
| Grayson and Co Group Ltd | Construction | 2026 |
| Greenfield Landscapes Ltd | Administrative & support | 2018 |
| Greg Hammerton Limited | Construction | 2017 |
| Greg Sidaway Fitness Limited | Health & social care | 2022 |
| Group CWA Limited | Administrative & support | 2009 |
| Groves Procurement Limited | Professional & scientific | 2025 |
| Gwest Construction Limited | Professional & scientific | 2025 |
| Hair Boutique (Yateley) Ltd | Other services | 2019 |