| 04921477 Ltd | Wholesale & retail | 2003 |
| 14/15 Woodside Limited | Households | 1995 |
| 19 Streatham Limited | Administrative & support | 2016 |
| 35/37 Grand Parade (Plymouth) Management Company Limited | Households | 1989 |
| 4G Investment Company | Financial services | 2014 |
| A C English Developments Limited | Real estate | 1981 |
| A.I.Gatrell Limited | Construction | 1965 |
| Abbey Facilities and Resources Limited | Real estate | 2015 |
| Abbey Park Cars Limited | Wholesale & retail | 2008 |
| Abbeystead Investments Limited | Construction | 1995 |
| Across Town & Country Ltd | Other services | 2023 |
| Adam J Booth Ltd | Health & social care | 2013 |
| Adamus - HT UK Limited | Wholesale & retail | 2010 |
| Adarga Limited | Professional & scientific | 2015 |
| Adler Hospitality Limited | Hospitality | 2026 |
| Aeroprofessional Limited | Administrative & support | 2005 |
| Aeroprofessional Technics Limited | Administrative & support | 2022 |
| Aerothermal Group Holdings Limited | Administrative & support | 2013 |
| Aerothermal Management Limited | Professional & scientific | 1997 |
| Affordable Access Hire Limited | Administrative & support | 2005 |
| Ahmad Tea (UK) Limited | Manufacturing | 2013 |
| Akaal Plastics Ltd | Manufacturing | 2014 |
| Alcohol & Crime Reduction Consultancy Limited | Professional & scientific | 2012 |
| Alexia Osborne Design Limited | Professional & scientific | 2012 |
| Alma Leather Limited | Wholesale & retail | 1998 |
| Alpine Homes Bridge Road Limited | Construction | 2021 |
| Alpine Homes Fruit Market Ltd | Real estate | 2020 |
| Alpine Homes Limited | Administrative & support | 2010 |
| Alpine Homes Peterkins Limited | Construction | 2021 |
| Alpine Rentals Limited | Real estate | 2017 |
| Amcrest Construction Limited | Construction | 2012 |
| American PAN International Holdings Limited | Manufacturing | 2017 |
| Amfa (Southampton) Holdings Limited | Financial services | 2015 |
| Andywrap Eurofilm Ltd | Wholesale & retail | 1992 |
| Angela Coaches Limited | Transport & logistics | 1983 |
| Angela Holidays (Holdings) Limited | Extraterritorial | 2014 |
| Angela Holidays Limited | Other services | 1986 |
| Angela Leisure Limited | Extraterritorial | 1987 |
| Angela Parking Limited | Transport & logistics | 2019 |
| Anthony Thompson Limited | Arts & recreation | 2023 |
| Apollo Optical Manufacturing Limited | Manufacturing | 1985 |
| Aquaschool (Salisbury) Limited | Arts & recreation | 2004 |
| Arden Contracts Limited | Construction | 1991 |
| Arden Projects Limited | Construction | 1996 |
| Arlington Accountants Limited | Professional & scientific | 2019 |
| Arthouse Propco Limited | Financial services | 2026 |
| ASM Landscapes Limited | Administrative & support | 2015 |
| Aspen Consultancy Solutions Ltd | Professional & scientific | 2019 |
| Astman Taylor Ltd | Professional & scientific | 2019 |
| Attro Group Limited | Real estate | 2016 |
| AV Mounts UK Ltd | Manufacturing | 2006 |
| Avion Services Limited | Information & communication | 1998 |
| Axiom Corporation Limited | Information & communication | 2016 |
| B.S.A. Motor Cycles Limited | Extraterritorial | 2011 |
| Basebrook Limited | Professional & scientific | 2012 |
| Bath Place Limited | Households | 1991 |
| Belgarum Property Management Limited | Real estate | 2011 |
| Bellamys Racing & Engineering Works Limited | Wholesale & retail | 2011 |
| Bestin Limited | Administrative & support | 2019 |
| BET Angel Limited | Information & communication | 2016 |
| BH Btsi Limited | Real estate | 2014 |
| BIM BAM Records Ltd | Administrative & support | 1999 |
| Bishopswood Golf Course LLP | | 2009 |
| Bitterne Electrical Services Limited | | 1984 |
| Blackfield Mechanical Engineering Limited | Manufacturing | 2008 |
| Blackrock Power Boats Limited | Manufacturing | 2016 |
| Blackrock Yachting Limited | Administrative & support | 2006 |
| Blast Factory Limited | Professional & scientific | 2013 |
| Block Evolution Studios Limited | Information & communication | 2021 |
| Brading Property Management Limited | Households | 2022 |
| Bright Surgery Ltd | Health & social care | 2021 |
| Brightburn Limited | Information & communication | 2014 |
| Brighton Yacht Brokerage Limited | Extraterritorial | 2006 |
| BSA Company Limited | Wholesale & retail | 1980 |
| BSA Corporation Limited | Extraterritorial | 1986 |
| Bueller Business Services Limited | Construction | 2011 |
| Build IT (UK) Limited | Extraterritorial | 2015 |
| Builtform (BA) Limited | Construction | 2014 |
| Builtform (CH) Limited | Construction | 2017 |
| Builtform (WR) Limited | Construction | 2012 |
| Builtform Developments Limited | Construction | 2008 |
| Builtform Group Limited | Construction | 2008 |
| Builtform Holdings Limited | Financial services | 2017 |
| Builtform Limited | Construction | 2017 |
| Bunker Storage Ltd | Manufacturing | 2023 |
| Burt Boulton Holdings Limited | Real estate | 1898 |
| Bushnell Porter Limited | Real estate | 1996 |
| Butcher & Moody Financial Services Limited | Financial services | 2018 |
| Cafeworld Limited | Hospitality | 2011 |
| Candover Care Ltd | Health & social care | 2025 |
| Carter Invests Ltd | Financial services | 2024 |
| Castle Rising Estates Limited | Professional & scientific | 2022 |
| Cat Capital Holdings Ltd | Financial services | 2019 |
| Cat Property Holdings Ltd | Real estate | 2020 |
| Cayenne Developments Limited | Construction | 2021 |
| CDM Services Ltd | Construction | 2019 |
| Ceanos Limited | Hospitality | 2010 |
| CEM Support Ltd | Construction | 2022 |
| CGL South Ltd | Construction | 2022 |
| CH Design Europe Limited | Professional & scientific | 1997 |