| 16 Blackwater Street Limited | Construction | 1992 |
| 1947 London Ltd | Hospitality | 2020 |
| 3 DJB Limited | Real estate | 2022 |
| 33 Bedford ROW Escrow Limited | Professional & scientific | 2012 |
| 46 Ennismore Gardens Limited | Households | 1972 |
| 5 Seconds of Summer LLP | | 2013 |
| 8TWENTYONE Limited | Information & communication | 2021 |
| A&V Building Solution Ltd | Extraterritorial | 2017 |
| AA Bros Global Limited | Wholesale & retail | 2025 |
| AA Touring LLP | | 2024 |
| AAB Touring LLP | | 2025 |
| Abdullah BIN Zubair Ltd | Wholesale & retail | 2025 |
| Absolutely NO Worries (UK) LLP | | 2013 |
| Abtran Managed Services UK Limited | Administrative & support | 2024 |
| Accurate Laser & Skin Aesthetics Limited | Other services | 2011 |
| ACT of Faith LLP | | 2023 |
| Afterglow Music LLP | | 2025 |
| AI Outlet Ltd | Wholesale & retail | 2025 |
| AIM Entertainments Limited | Arts & recreation | 2012 |
| AK & in UK Ltd | Real estate | 2026 |
| Alexis Ffrench Music Limited | Information & communication | 2017 |
| Alibi Music Library Limited | Administrative & support | 2014 |
| Ally Park Street LLP | | 2024 |
| AMA Touring Limited | Information & communication | 2021 |
| Amon Amarth UK Limited | Extraterritorial | 2020 |
| Aplk LLP | | 2012 |
| Arabian Berries Trading Company Ltd | Construction | 2025 |
| Ardkeen Homes LLP | | 2022 |
| Arlon Songs Limited | Information & communication | 2006 |
| Artos Systems Limited | Information & communication | 2018 |
| Asfan Sports Management Limited | Arts & recreation | 2017 |
| Asfraz Ltd | Wholesale & retail | 2025 |
| Asha Alice Limited | Arts & recreation | 2025 |
| Avatar Touring Limited | Arts & recreation | 2020 |
| Avighna ISH Ltd | Wholesale & retail | 2021 |
| Axtone Music Publishing Limited | Information & communication | 2010 |
| Axwell Music Ltd | Arts & recreation | 2011 |
| Axwell Touring LLP | | 2024 |
| Ayesha Graphics Ltd | Professional & scientific | 2025 |
| B R M Jewel Craft Limited | Manufacturing | 2017 |
| B Unique Management (UK) Limited | Arts & recreation | 2011 |
| B Unique Music Limited | Information & communication | 2019 |
| B-Unique Recordings Limited | Information & communication | 2013 |
| BAD Bones Films Ltd | Information & communication | 2023 |
| Bahia Sarl Ltd | Wholesale & retail | 2025 |
| Bar Italia Touring LLP | | 2024 |
| BCP Consulting Limited | Professional & scientific | 2024 |
| BEE Bops Music Ltd | Information & communication | 2019 |
| Bent Music Limited | Arts & recreation | 2012 |
| Besins Healthcare (UK) Limited | Wholesale & retail | 2013 |
| Biffy Clyro LLP | | 2014 |
| Big PIG Music Limited | Information & communication | 1972 |
| Big TOM Productions Ltd | Arts & recreation | 2015 |
| Bigg Buzz Entertainment Ltd | Administrative & support | 2023 |
| Bizzle B Wasteman WID AH Movement Limited | Water & waste | 2025 |
| Black Waltz Touring LLP | | 2025 |
| Blackhorse View Residents’ Management Company Limited | Households | 2020 |
| Bladee Touring LLP | | 2025 |
| Blizzard Music Limited | Other services | 1981 |
| Bogus Global Limited | Arts & recreation | 1980 |
| Bona Productions Limited | Information & communication | 1994 |
| Bonham Realty Limited | Real estate | 2023 |
| BOY / Girl Productions (UK) Limited | Information & communication | 2005 |
| Boy/Girl Distribution Limited | Information & communication | 2005 |
| Brand Human Ltd | Professional & scientific | 2025 |
| Brat Investments Limited | Administrative & support | 2020 |
| Bridge-Et Design Ltd | Wholesale & retail | 2024 |
| Bright Consulting Solutions Limited | Administrative & support | 2023 |
| Britpop Roadshow Limited | Arts & recreation | 2025 |
| BS Productions Limited | Arts & recreation | 2010 |
| BS Touring LLP | | 2014 |
| Bunt Live Ltd | Information & communication | 2024 |
| Bunt Touring LLP | | 2024 |
| Byciara Ltd | Professional & scientific | 2021 |
| C.C. Young & Co Limited | Professional & scientific | 1998 |
| C.M.Davids Limited | Information & communication | 2021 |
| Cabaret Mechanical Theatre External Services Limited | Arts & recreation | 1988 |
| Cabaret Mechanical Theatre Limited | Arts & recreation | 2000 |
| Captain Fantastic Enterprises Limited | Information & communication | 1975 |
| Capture Land LLP | | 2025 |
| CBX LLP | | 2026 |
| Celeste Music Limited | Arts & recreation | 2020 |
| Celeste Touring LLP | | 2020 |
| Celestial Arts and Media (T/A Atlas Artists) Ltd | Arts & recreation | 2008 |
| Chai Thali Limited | Administrative & support | 2016 |
| Chalk Jewellery Ltd | Manufacturing | 2021 |
| Comix Limited | Professional & scientific | 2013 |
| Commercial Community Energy Scheme Stoke Limited | Energy | 2018 |
| Compton Woods Ltd | Administrative & support | 2021 |
| Consleague Consulting Ltd | Information & communication | 2009 |
| Contempora International Ltd | Households | 2016 |
| Coronet Clubs Limited | Arts & recreation | 2024 |
| Cradle of Filth LLP | | 2023 |
| Cradle of Filth Touring Limited | Arts & recreation | 2003 |
| Cruxial Limited | Information & communication | 2023 |
| Crystal Fighters Touring LLP | | 2014 |
| CS Touring LLP | | 2025 |
| Ctun LLP | | 2019 |
| Cyberalma Limited | Arts & recreation | 2018 |
| Dancing IS Good for YOU Ltd | Arts & recreation | 2018 |