| Astarte Collective Ibiza Ltd | Wholesale & retail | 2019 |
| Atelier Laugier Limited | Professional & scientific | 2021 |
| Atlantique Limited | Real estate | 1994 |
| Audio Media International Ltd | Information & communication | 2020 |
| Avalon Landscapes Limited | Administrative & support | 2007 |
| Avbuyer Events Limited | Administrative & support | 2005 |
| Avbuyer Ltd | Information & communication | 1995 |
| Avictoz Ltd | Administrative & support | 2024 |
| Axiom Consulting & Management Services Limited | Real estate | 2002 |
| AZ Compliance Consulting Ltd | Administrative & support | 2024 |
| B.F.E. Limited | Households | 1928 |
| B.M.Y.C. Limited(The) | Arts & recreation | 1936 |
| Bachmanns Ltd | Manufacturing | 2008 |
| Bagley-Duncan Consultancy Ltd | Professional & scientific | 2014 |
| Barchester Skeates Associates Limited | Professional & scientific | 2024 |
| Barge Walk Limited | Administrative & support | 2006 |
| Barivan Limited | Financial services | 1983 |
| Barnes Sunshine Nursery Ltd | Education | 2018 |
| Barry Branford Ltd | Arts & recreation | 2005 |
| Basing Way & Basing Close Residents Association Ltd | Households | 2017 |
| Bastion Projects Limited | Real estate | 2014 |
| Batchwood Turnmills Limited | Real estate | 2025 |
| Bathica Ltd | Construction | 2021 |
| BC55 Ltd | Real estate | 2014 |
| BE Data Smart Ltd | Information & communication | 2025 |
| Beacon Thought Leadership Ltd | Professional & scientific | 2024 |
| Bebewood Strategies Ltd | Professional & scientific | 2024 |
| Beeinspired Skincare LLP | | 2011 |
| Beldan Limited | | 1983 |
| BEN Williams Financial Planning Ltd | Professional & scientific | 2023 |
| Beta Property Management Services Limited | Real estate | 2015 |
| Between YOU and I Limited | Manufacturing | 2011 |
| Big Bark PR LLP | | 2014 |
| Birdcage Lane Management Company Ltd | Households | 2026 |
| Bisnis Limited | Information & communication | 2021 |
| Black Lion Broking Services Ltd | Financial services | 2016 |
| Blended Music Ltd | Information & communication | 2025 |
| Blipta Enterprises Limited | Wholesale & retail | 1985 |
| Blossom Wellness Collective Ltd | Health & social care | 2025 |
| Blue Rhino Investments Ltd | Arts & recreation | 2021 |
| Blueprint Bakes Ltd | Professional & scientific | 2024 |
| Blume Editions Ltd | Information & communication | 2014 |
| Boaz Media Ltd | Professional & scientific | 2025 |
| Bold Voices CIC | Education | 2020 |
| Bone Slim Casuals Ltd | Arts & recreation | 2020 |
| Bonsai Property Holdings Limited | Real estate | 2023 |
| Bridgewood Professional Services Limited | Professional & scientific | 2024 |
| Brilliantine Limited | Administrative & support | 2011 |
| Bring Consulting 2 Life Limited | Professional & scientific | 2015 |
| Britbound Limited | Administrative & support | 2014 |
| Brooklands Digital Limited | Information & communication | 2012 |
| Brooklands Finance Limited | Wholesale & retail | 2020 |
| Brushstroke Academy Limited | Education | 2024 |
| Bubbling Forever Limited | Information & communication | 2024 |
| Button and Bean Limited | Manufacturing | 2011 |
| C & C Infrastructure Services Limited | Information & communication | 2009 |
| C & H Projects (1A) Limited | Construction | 2019 |
| C 13 Associates Limited | Administrative & support | 2003 |
| C J White Associates Limited | Real estate | 2014 |
| C Squared Ventures Ltd | Information & communication | 2022 |
| Cadence Group (FSB) Ltd | Information & communication | 2024 |
| Cake Mistress Ltd | Manufacturing | 2019 |
| Caligula-Red Limited | Administrative & support | 2016 |
| Calla Suite Ltd | Information & communication | 2026 |
| Camai Ltd | Professional & scientific | 2025 |
| Camair Compressors Limited | Manufacturing | 2000 |
| Camassia Associates Ltd | Professional & scientific | 2025 |
| Canhamspence Ltd | Arts & recreation | 2020 |
| Capital Engineering Group Holdings (2013) Limited | Administrative & support | 2013 |
| Capital Engineering Group Holdings Ltd | Professional & scientific | 2005 |
| Capital Engineering Support Group Ltd | Administrative & support | 2013 |
| Capp Business Solutions Limited | Information & communication | 2006 |
| Caps Lock Consulting Limited | Professional & scientific | 2026 |
| Caravan Strategy Ltd | Professional & scientific | 2019 |
| Carigluz Investment Co Limited | Real estate | 1953 |
| Cartbridge Basin Limited | Professional & scientific | 2017 |
| Carver on Stage Ltd | Arts & recreation | 2023 |
| Castle Cooling Solutions Limited | Construction | 2005 |
| Castlebell Recruitment Limited | Administrative & support | 2016 |
| CB Acre Estates Ltd | Real estate | 2024 |
| Ccis Global Limited | Information & communication | 2018 |
| Ccstjc Freehold Limited | Real estate | 2021 |
| CDA KEW Ltd | Wholesale & retail | 2019 |
| Cegal Limited | Administrative & support | 2007 |
| Chandegra Acquisitions Ltd | Wholesale & retail | 2023 |
| Chapeau Properties Limited | Real estate | 2023 |
| Cheeky Monkeys Day Nursery (1993) LLP | | 2026 |
| Chel Building Solutions Limited | Construction | 2024 |
| Chica #1 Limited | Financial services | 2017 |
| Chica #2 Limited | Financial services | 2017 |
| Chica #3 Limited | Financial services | 2017 |
| Children’S Play Village Ltd | Arts & recreation | 2025 |
| Choice EPC Ltd | Professional & scientific | 2026 |
| Christopher Robin Limited | Health & social care | 2026 |
| Cielo Consulting Ltd | Real estate | 2017 |
| Cinnamon Framing Ltd | Manufacturing | 2025 |
| Cittadina Limited | Information & communication | 2013 |
| Clachan Films Limited | Information & communication | 2021 |
| Claremont and ST James Court (Freehold) Limited | Real estate | 2016 |
| Claymore Automotive Limited | Wholesale & retail | 1995 |