| 0960 Limited | Financial services | 2020 |
| 1-2 Call Cars Ltd | Transport & logistics | 2022 |
| 10 Cowper Road Worthing Ltd | Real estate | 2021 |
| 101COLLECTABLES Limited | Wholesale & retail | 2025 |
| 106 Hair Studio Ltd | Other services | 2026 |
| 111 Crawford Street Management Company Limited | Real estate | 2015 |
| 15 Cranbury Place Southampton Management Company Limited | Real estate | 2007 |
| 15 LG Limited | Households | 2001 |
| 177 Old Winton Road Ltd | Households | 2023 |
| 18 Eaton Place Freehold Limited | Households | 2008 |
| 1ST View Developments Limited | Construction | 2024 |
| 21 Degrees CHS Ltd | Energy | 2022 |
| 23 Eaton Place Freehold Limited | Households | 2012 |
| 236 Camden Road Limited | Households | 2015 |
| 247 Docs Online Limited | Administrative & support | 2025 |
| 26-30 Cubitt Street Freehold Limited | Households | 2020 |
| 26-30 Cubitt Street RTM Company Limited | Real estate | 2014 |
| 27 Castle Street (Salisbury) Limited | Households | 2020 |
| 2826 Ltd | Wholesale & retail | 2013 |
| 2CJ Ltd | Professional & scientific | 2015 |
| 2TEES Afrocaribbean Foods Ltd | Manufacturing | 2020 |
| 30 Eastfield Road Limited | Hospitality | 2006 |
| 349 Barbell Ltd | Arts & recreation | 2021 |
| 39 Falkland Road NW5 Limited | Real estate | 2011 |
| 3D PLY Limited | Manufacturing | 2009 |
| 3DM Gaming Limited | Arts & recreation | 2024 |
| 4 Quatre Limited | Professional & scientific | 1999 |
| 4 Romeo Ltd | Wholesale & retail | 2025 |
| 47 Weyhill Road Management Company Limited | Households | 2000 |
| 4WALLS Project Management Limited | Construction | 2016 |
| 5 Star Stone Work Limited | Construction | 2015 |
| 5 Stars Motors Limited | Transport & logistics | 2013 |
| 5A Transport Ltd | Transport & logistics | 2022 |
| 5TEC Ltd | Financial services | 2023 |
| 65 & 67 Wilton Road Limited | Households | 2011 |
| 7 Burch Road Management Company Limited | Real estate | 2004 |
| 7 SFI Limited | Professional & scientific | 2014 |
| 75/81 Wapping High Street Management Company Limited | Administrative & support | 1989 |
| 77 Eastfield Road Ltd | Households | 2025 |
| 8 Bryanston Square Freehold Limited | Households | 2016 |
| 8-BIT Entertainment Ltd | Arts & recreation | 2025 |
| 84 Edgeley Road Property Ltd | Households | 2014 |
| 94 Digital Consulting Ltd | Information & communication | 2021 |
| @Simulationman Ltd | Professional & scientific | 2020 |
| A & L ADS Ltd. | Education | 2015 |
| A & V Laundry Ltd | Other services | 2019 |
| A 2 Z Airguns Ltd | Wholesale & retail | 2020 |
| A and J Burrell Property Ltd | Real estate | 2015 |
| A C Farrington Ltd | Professional & scientific | 2010 |
| A Dog's Tale Dog Training Ltd | Other services | 2018 |
| A J Mead Catering Limited | Hospitality | 2008 |
| A J Wilsons Joinery Limited | Construction | 2014 |
| A Meredith Power Risk Engineering Limited | Professional & scientific | 2021 |
| A Pro Cleaning Services Ltd | Administrative & support | 2025 |
| A Thomson Consulting Ltd | Professional & scientific | 2025 |
| A-Fest Andover CIC | Administrative & support | 2019 |
| A.B. Building Products Limited | Wholesale & retail | 1988 |
| A.P.R Glazing Limited | Construction | 2016 |
| A1 MIX Waste Services Ltd | Water & waste | 2026 |
| Aarvik Property Limited | Real estate | 2024 |
| AB Industrial Engineering Ltd | Construction | 2024 |
| Abbeymace Limited | | 1982 |
| Abbotts ANN Down Residential Management Company Limited | Administrative & support | 2019 |
| Abel Pools Limited | Construction | 2019 |
| Able Property Maintenance Services Limited | Construction | 2023 |
| Absc Limited | Professional & scientific | 2015 |
| Absolute Nexus Ltd | Financial services | 2025 |
| Accelerix Ltd | Administrative & support | 2024 |
| Accuracy Matters Limited | Information & communication | 2013 |
| Ace Carriers Ltd | Transport & logistics | 2025 |
| Ace Interactive Limited | Manufacturing | 1995 |
| Ace Property Maintenance & Construction Limited | Construction | 2002 |
| Acme at Thruxton Limited | Hospitality | 2026 |
| Acroud Media Ltd | Information & communication | 2022 |
| Actifix Ltd | Construction | 2015 |
| Action Around Bethlehem Children With Disability | Health & social care | 2002 |
| Active Flow Controls Limited | Manufacturing | 2010 |
| Active Solutions HR and Training Limited | Administrative & support | 2010 |
| Active Staff Limited | Administrative & support | 2000 |
| Acumed Ltd | Professional & scientific | 1997 |
| Acumen Promotions Limited | Wholesale & retail | 2004 |
| Adam Cannon Property Limited | Real estate | 2018 |
| Adam R Enterprise Ltd | Other services | 2023 |
| Adaptive Data Limited | Information & communication | 2013 |
| Addis Locksmiths & Property Maintenance Limited | Construction | 2024 |
| Ade-Divine Consulting Ltd | Administrative & support | 2012 |
| Adekk Digital Ltd | Information & communication | 2023 |
| Adel DU Toit Consulting Limited | Professional & scientific | 2023 |
| Adept Power Solutions Ltd | Information & communication | 2003 |
| Aditiv Ltd | Professional & scientific | 2024 |
| Admin Matters Ltd. | Information & communication | 1998 |
| ADR Enterprises Limited | Construction | 2013 |
| Adrian & Aleydin Limited | Hospitality | 2026 |
| Adult Counselling Therapy Limited | Health & social care | 2020 |
| Advancenet Europe Limited | Information & communication | 2002 |
| Aero Tech Paint Ltd | Construction | 2021 |
| Affluent Insurance Solutions Limited | Financial services | 2025 |
| Afro-Cuts Ltd | Other services | 2022 |
| AGE4146 Ltd | Households | 2022 |
| Aghoco 2080 Limited | Extraterritorial | 2021 |