| Brightkidztutors Ltd | Education | 2019 |
| Brightonprop Limited | Real estate | 2013 |
| Brilliance Bridge Ltd | Education | 2023 |
| Britan's Journey Ltd | Administrative & support | 2022 |
| Britlogic Limited | Information & communication | 2013 |
| Broadcast Recruit Ltd | Administrative & support | 2024 |
| Browsolate Limited | Professional & scientific | 2024 |
| Brutal Muscle Ltd | Education | 2018 |
| Bryjan (Electrical) Limited | Construction | 1973 |
| BSS Herts Ltd | Real estate | 2023 |
| Builderko Lofts Ltd | Construction | 2018 |
| Bumblez Ltd | Wholesale & retail | 2025 |
| Burgess Professional Services Limited | Health & social care | 2014 |
| Burleigh Court (Freehold) Management Limited | Real estate | 2016 |
| Bushey Car Bodywork Limited | Wholesale & retail | 2024 |
| Bushey Car Repairs Ltd | Wholesale & retail | 2020 |
| Bushey Digital Ltd | Information & communication | 2008 |
| Bushey Electrical Ltd | Construction | 2016 |
| Bushey Fish Bar Ltd | Hospitality | 2019 |
| Bushey Food & Wine Ltd | Other services | 2020 |
| Bushey Grange Residents Company Limited | Households | 1993 |
| Bushey Hall Garage Limited | Wholesale & retail | 2006 |
| Bushey Heath MOT Centre Ltd | Wholesale & retail | 2025 |
| Bushey Hybrid Service Centre Limited | Wholesale & retail | 2025 |
| Bushey Mill Store Limited | Wholesale & retail | 2024 |
| Bushey Pizzeria Limited | Hospitality | 2026 |
| Bushey Properties Ltd | Real estate | 2022 |
| Bushey Renovations Ltd | Construction | 2025 |
| Bushey Restaurant Limited | Hospitality | 2025 |
| Bushey ST James Trust | Education | 2012 |
| Business With YOU Limited | Administrative & support | 2017 |
| Butt & Co Services Ltd | Professional & scientific | 2019 |
| BWFR33 Ltd | Information & communication | 2019 |
| BY Shaileeni Limited | Other services | 2023 |
| Byward London Limited | Hospitality | 2016 |
| C&A Living Ltd | Hospitality | 2025 |
| C. C. Circuits Limited | | 1994 |
| CAB Diagnostics Ltd | Health & social care | 2019 |
| Cabinet Installations Limited | Construction | 2007 |
| Caeldn Limited | Wholesale & retail | 2020 |
| Cafe Plus London Limited | Hospitality | 2025 |
| Call to Care | Education | 2018 |
| Camden Games Ltd | Manufacturing | 2020 |
| Campanula RTM Company Limited | Extraterritorial | 2026 |
| Campbell Aviation Limited | Administrative & support | 1992 |
| Caneparo Consulting Limited | Professional & scientific | 2013 |
| Caneparo Rentals Ltd | Real estate | 2020 |
| Canons Consulting Limited | Information & communication | 2025 |
| Capital C Limited | Transport & logistics | 2011 |
| Capital Construction & Maintenance Ltd | Construction | 2020 |
| Caps Utilities Ltd | Construction | 2025 |
| Captain Autos Limited | Wholesale & retail | 2024 |
| Car Land UK Group Ltd | Wholesale & retail | 2018 |
| Car Parts Station Ltd | Wholesale & retail | 2020 |
| Cardinal York ROW Limited | Real estate | 2013 |
| Care Options Limited | Health & social care | 2014 |
| Cargo Plan International Ltd | Administrative & support | 2012 |
| CAS Media Group Limited | Professional & scientific | 2015 |
| Castle Confidential Limited | Information & communication | 2010 |
| Castle Consultancy Management Limited | Professional & scientific | 2014 |
| CGC IT Solutions Limited | Information & communication | 2015 |
| Chai Handicappers Ltd | Arts & recreation | 2025 |
| Chai Junction Express Ltd | Hospitality | 2022 |
| Chamberlain and Cross Limited | Wholesale & retail | 2021 |
| Chameleon Cable Ltd | Wholesale & retail | 2019 |
| Change Hair Salon Ltd | Other services | 2017 |
| Cheng Properties Ltd | Real estate | 2021 |
| Chesswell Associates Ltd | Professional & scientific | 2012 |
| Chester & Gordon Ltd | Wholesale & retail | 2020 |
| CHG Collective Ltd | Professional & scientific | 2025 |
| China Grill Management ME LLC Ltd | Professional & scientific | 2016 |
| Chippy Bushey Limited | Hospitality | 2024 |
| Chunky Monkey Events Limited | Extraterritorial | 2009 |
| CI Bearings Ltd | Extraterritorial | 1994 |
| Circular Service Solutions Ltd | Water & waste | 2026 |
| Citron Tuition Ltd | Education | 2026 |
| City Barber Style Ltd | Other services | 2024 |
| City Bars of London Limited | Hospitality | 2023 |
| Civil Costs Consultants Limited | Other services | 2023 |
| Claudio Place Limited | Administrative & support | 2022 |
| Click 4 Printing Limited | Administrative & support | 2007 |
| Clover Green Ltd | Administrative & support | 2024 |
| Cluebo Search Ltd. | Information & communication | 2013 |
| Cmaaz Logistics Ltd | Transport & logistics | 2025 |
| Coco DE MER Investments Ltd | Real estate | 2017 |
| Coconut Residence Limited | Manufacturing | 2010 |
| Code on the Go Ltd | Professional & scientific | 2020 |
| Code Savvy Limited | Professional & scientific | 2024 |
| Coffeenia Ltd | Hospitality | 2019 |
| Cofid Corporate Services Limited | Administrative & support | 1992 |
| Colombar Limited | Hospitality | 2024 |
| Color World Construction Ltd | Construction | 2020 |
| Colour With RO Ltd | Information & communication | 2024 |
| Comfort Briggids Limited | Households | 2023 |
| Commerce International (GB) Limited | Wholesale & retail | 1993 |
| Commercial Processing Centre Limited | Financial services | 2006 |
| Competent Construction Ltd | Construction | 2016 |
| Comtev Ltd | Information & communication | 2026 |
| Conducit Property Limited | Real estate | 2019 |
| Confident English Ltd. | Extraterritorial | 2012 |