| 10 Saints Travels Ltd | Transport & logistics | 2025 |
| 10 Years Younger Limited | Health & social care | 2019 |
| 2 Rent UK Limited | Administrative & support | 2008 |
| 2 Works TM Limited | Other services | 2009 |
| 248 Holdings Ltd | Financial services | 2021 |
| 360 Grocery Ltd | Wholesale & retail | 2023 |
| 51 Cargo Services Ltd | Wholesale & retail | 2010 |
| 9A Property Development Limited | Real estate | 2026 |
| A C Concepts Limited | Construction | 2010 |
| A Carlon Business Services Ltd | Administrative & support | 2025 |
| A H Trucking Services Ltd | Transport & logistics | 2014 |
| AB Holdings Ltd | Real estate | 2025 |
| Aboveshop Ltd | Real estate | 2026 |
| Accolade Family Time Centre Ltd | Health & social care | 2024 |
| Accounting Goddess Ltd | Professional & scientific | 2019 |
| Acorn Sourcing Ltd | Real estate | 2025 |
| ACS Pressure Washing Ltd | Administrative & support | 2025 |
| Acsquared Holdings Limited | Financial services | 2021 |
| ADC Engineering Limited | Professional & scientific | 2006 |
| ADG Northwest Limited | Other services | 2025 |
| ADG Scaffolding Ltd | Construction | 2023 |
| Admiral Mobility Ltd | Extraterritorial | 2023 |
| Adrian Mecklenburgh Limited | Wholesale & retail | 1980 |
| Aesthetics by Dawn J Limited | Health & social care | 2024 |
| Agency Recruitment Alliance Ltd | Other services | 2026 |
| Agla Holdings Ltd | Financial services | 2025 |
| AH CAD Services Ltd | Professional & scientific | 2015 |
| AH Groundworks and Civil Engineering Ltd | Construction | 2019 |
| AJF Consultancy Services Ltd. | Professional & scientific | 2020 |
| AJP Management Limited | Professional & scientific | 2012 |
| AK Studios Limited | Arts & recreation | 2024 |
| Al-Ilory Limited | Information & communication | 2024 |
| Alder & Trading Ltd | Wholesale & retail | 2026 |
| Alderley Cross Limited | Professional & scientific | 2015 |
| Alpha Response (2004) Limited | Administrative & support | 2004 |
| ALT Q Ltd | Administrative & support | 2016 |
| Altissimo Ltd | Professional & scientific | 2021 |
| Amanda Crewe Travel Ltd | Administrative & support | 2018 |
| Ambros NW Limited | Wholesale & retail | 2025 |
| Amco Multi Serve Ltd | Construction | 2025 |
| Amec Group Ltd | Other services | 2025 |
| AMT Creative Ltd | Information & communication | 2026 |
| Andrew J Porter Ltd | Professional & scientific | 2026 |
| Angel Union CIC | Real estate | 2021 |
| APEXCYCLES2 Limited | Wholesale & retail | 2026 |
| Ari's Takeaway Ltd | Hospitality | 2026 |
| Arjen Consulting Ltd | Professional & scientific | 2025 |
| Armadyl Assets Limited | Construction | 2026 |
| Aros Desserts Ltd | Hospitality | 2026 |
| Aros Kitchen Franchise Ltd | Hospitality | 2024 |
| Art of Barbering Ltd | Other services | 2026 |
| Aspro Security Services Limited | Professional & scientific | 2003 |
| Assured Wealth and Estate Planning Limited | Professional & scientific | 2012 |
| ATC Accountancy Ltd | Professional & scientific | 2025 |
| Athena Entertainment Agency Ltd | Arts & recreation | 2024 |
| Aurawolf Global Ltd | Information & communication | 2024 |
| Aurelle Bridal Ltd | Wholesale & retail | 2023 |
| Auroka UK Ltd | Manufacturing | 2026 |
| Auto VIZ Limited | Extraterritorial | 2018 |
| Away From Ltd | Administrative & support | 2021 |
| Aztec Resources Limited | Administrative & support | 1995 |
| Backpocket Limited | Professional & scientific | 2022 |
| Bailey's Landscapes Limited | Administrative & support | 2001 |
| Baris Barber Ltd | Other services | 2024 |
| BC Properties & Real Estate Limited | Real estate | 2024 |
| BCW Limited | Financial services | 2015 |
| Benoli Homes Limited | Real estate | 2018 |
| Bensys Consulting Services Ltd | Information & communication | 2024 |
| Bespoke Beauty Spa Ltd | Other services | 2023 |
| Bestinslot Ltd | Information & communication | 2014 |
| Bigdeal (Newton) Ltd | Wholesale & retail | 2012 |
| Billy J Crook & SON Haulage Limited | Transport & logistics | 2020 |
| Billy J Crook & Sons Haulage Limited | Transport & logistics | 2025 |
| Biomass Energy Ventures Limited | Administrative & support | 2008 |
| Bitware Ltd | Information & communication | 2012 |
| Bk&P Properties Ltd | Real estate | 2019 |
| Blend North West Ltd | Wholesale & retail | 2026 |
| Bloor's Floors Ltd | Construction | 2023 |
| Blue Mouse Events CIC | Arts & recreation | 2023 |
| Bobo Kitchen Takeaway Ltd | Hospitality | 2025 |
| Bocboc (UK) Limited | Hospitality | 2006 |
| Bodhi Spa Ltd | Health & social care | 2024 |
| Boomerang Marketing Limited | Professional & scientific | 2016 |
| Bottlewood Ltd | Professional & scientific | 2025 |
| Brand of Brothers Limited | Wholesale & retail | 2013 |
| Bridge IT Solutions Ltd | Information & communication | 2022 |
| Broker Mate Ltd | Information & communication | 2025 |
| Brothers 2 UK Ltd | Other services | 2025 |
| Brownlow Utilities Limited | Professional & scientific | 2013 |
| BSP Delivery Limited | Transport & logistics | 2022 |
| BT Newton Limited | Hospitality | 2021 |
| Btpharmaservices Ltd | Professional & scientific | 2023 |
| BTR Newton Limited | Hospitality | 2025 |
| Bucks Access Rentals Ltd | Administrative & support | 2004 |
| Bulldog Resourcing Ltd | Professional & scientific | 2018 |
| BW Site Engineer Services Limited | Professional & scientific | 2014 |
| Bypawel Homes Ltd | Real estate | 2025 |
| C Wilde Associates Limited | Professional & scientific | 2012 |
| C.D.S. Compressor Spares Limited | Wholesale & retail | 2005 |
| Calla Ltd | Wholesale & retail | 2016 |