| Campania Wines Limited | Wholesale & retail | 2011 |
| Carewell Estates Limited | Real estate | 1995 |
| CB Bathrooms Ltd | Construction | 2022 |
| CBM Systems Limited | Professional & scientific | 2023 |
| Celeron Automotive Ltd | Professional & scientific | 2025 |
| Central Chimneys Ltd | Administrative & support | 2020 |
| CGA Security Ltd | Construction | 2022 |
| Champing at the BIT Limited | Agriculture & fishing | 2015 |
| Chapel & York UK Foundation Limited | Administrative & support | 2017 |
| Charleswood Services Limited | Manufacturing | 2015 |
| Charmont Homes Ltd | Real estate | 2016 |
| Chartwell Barns Limited | Wholesale & retail | 1996 |
| Chelsea Funeral Directors Limited | Other services | 2009 |
| Chelsea.Skin Ltd | Health & social care | 2022 |
| Cherryglow Limited | Extraterritorial | 1982 |
| Chichester Exterior Cleaning Limited | Administrative & support | 2024 |
| Cineguild Productions Limited | Information & communication | 2015 |
| Cipressa Consulting Limited | Professional & scientific | 2024 |
| Circleup Ltd | Other services | 2024 |
| City Data Systems Ltd | Information & communication | 2017 |
| Client Maestro Ltd | Professional & scientific | 2026 |
| Cloudburst Systems Ltd | Administrative & support | 2009 |
| Cobham Close Residents Association Limited | Households | 2003 |
| Colourfix Building Services Ltd | Construction | 2023 |
| Comfort Service & Maintenance Limited | Construction | 1996 |
| Communication Confidence Ltd | Health & social care | 2015 |
| Competitive Plumbing Ltd | Construction | 2020 |
| Complete Electrical Contractors Ltd | Construction | 2019 |
| Complete Renewable Contractors Ltd | Construction | 2024 |
| Confin Limited | Professional & scientific | 2024 |
| Constance Court Ltd | Real estate | 2020 |
| Constant Hygiene Limited | Water & waste | 2007 |
| Construction Element Limited | Wholesale & retail | 2005 |
| Consult Logic Ltd | Information & communication | 2020 |
| Continuum Medical Services Limited | Health & social care | 2026 |
| Crawford Car Sales Ltd | Wholesale & retail | 2011 |
| Crawford Plant and Construction Limited | Administrative & support | 2002 |
| Crawley Roofing Services Ltd | Construction | 2023 |
| Createch Solutions Limited | Financial services | 2015 |
| Curtaincraft (FR) Limited | Manufacturing | 2020 |
| CW Events Ltd | Hospitality | 2021 |
| D K Glovesheets Ltd | Manufacturing | 2014 |
| Dale (Surrey) Limited | Education | 2008 |
| Damma Properties Limited | Real estate | 2024 |
| Danjo Limited | Construction | 2023 |
| Darwin Foods Ltd | Manufacturing | 2019 |
| Datalinx Computer Systems Limited | Information & communication | 1990 |
| Datalinx Limited | Information & communication | 2017 |
| David Jones Design Ltd | Other services | 2010 |
| Decia Limited | Other services | 2016 |
| Decision Engines Ltd | Professional & scientific | 2000 |
| Decision Graphics UK Limited | Information & communication | 1972 |
| Deeburn Construction Limited | Administrative & support | 2017 |
| Deltatron Limited | Other services | 2025 |
| Dent Revolution Limited | Wholesale & retail | 2017 |
| Design Display Solutions Limited | Professional & scientific | 2001 |
| Destan Fish & Chips Limited | Hospitality | 2019 |
| DGP Heating and Plumbing Ltd | Construction | 2006 |
| DI Lusso Club Limited | Wholesale & retail | 2019 |
| DI Lusso Ltd | Wholesale & retail | 2022 |
| Diamond Canvassing Ltd | Professional & scientific | 2025 |
| Dianuca Limited | Professional & scientific | 2020 |
| Digital Growth Team Ltd | Professional & scientific | 2019 |
| Digivectra Limited | Information & communication | 2026 |
| DK Agricultural Services Ltd | Construction | 2022 |
| Dormans Coffee Ltd | Hospitality | 2025 |
| DS Metalworks Limited | Manufacturing | 2014 |
| DSW Water Treatment and Engineering Limited | Water & waste | 2017 |
| E-Tech Fabrication Limited | Manufacturing | 2020 |
| E-Tech Gates & Door Automation Limited | Administrative & support | 2018 |
| E-Tech Security Limited | Administrative & support | 2015 |
| Eclipse Toilet Hire Ltd | Water & waste | 2021 |
| Eco Surface Solutions Ltd | Construction | 2023 |
| Ecocoffee Limited | Wholesale & retail | 2007 |
| Edwin Lawrence Estates Ltd | Real estate | 2025 |
| Eexxss Limited | Wholesale & retail | 1995 |
| Eighteen Eight LLP | | 2013 |
| Electragolf Limited | Wholesale & retail | 2019 |
| Elephant Communications Limited | Professional & scientific | 2011 |
| Elizabeth Philp Consultancy Ltd | Professional & scientific | 2020 |
| Elle Frances Design Ltd | Professional & scientific | 2024 |
| Eltp Consulting Limited | Professional & scientific | 2020 |
| EMH & Bjorn Ltd | Construction | 2023 |
| EMH Electrical & Building Services Ltd | Construction | 2013 |
| Emily's Inkroom Limited | Other services | 2013 |
| Energy Storage and Hydrogen Services Limited | Professional & scientific | 2018 |
| EPL Projects Limited | Construction | 2017 |
| ERC Equipoise Limited | Mining & quarrying | 1998 |
| ERC Evolution Limited | Professional & scientific | 2021 |
| Essential Plumbing & Heating Ltd. | Construction | 2021 |
| Eticon Ltd | Professional & scientific | 2015 |
| Everett Rose Ltd | Construction | 2023 |
| EVO Fuels Limited | Wholesale & retail | 2026 |
| Extech 2000 Limited | Professional & scientific | 2008 |
| Extech Cloud Limited | Information & communication | 2021 |
| Extech Limited | Information & communication | 1988 |
| Fareview Properties Ltd | Households | 2023 |
| Faulkners Builders Limited | Construction | 2019 |
| Festival Forge Limited | Professional & scientific | 2023 |
| Finance Together Limited | Financial services | 1989 |