| 10BRIDGE Group Limited | Financial services | 2022 |
| 10BRIDGE Limited | Other services | 2012 |
| 10BRIDGE Medical Limited | Health & social care | 2016 |
| 247 Telecommunications Ltd | Information & communication | 2023 |
| 28 TV Limited | Information & communication | 2025 |
| 3 Beagles Development Ltd | Construction | 2025 |
| 3 Peas in a POD PUB Co Limited | Hospitality | 2013 |
| 365 Vending Ltd | Wholesale & retail | 2025 |
| 3DBYLEIGH Ltd | Manufacturing | 2023 |
| 57 Developments Limited | Construction | 2019 |
| 57 Market Street Limited | Real estate | 2012 |
| 5X Farm Barns Management Company Limited | Professional & scientific | 2007 |
| 64 Collective Ltd | Wholesale & retail | 2026 |
| @Pod(Cheshire) Limited | Hospitality | 2024 |
| A J Bratt Ltd | Administrative & support | 2024 |
| A O Sealants Ltd | Construction | 2022 |
| ABC 2000 Ltd | Wholesale & retail | 2023 |
| ABE & Co (UK) Limited | Real estate | 2007 |
| AC Fenney Ltd | Administrative & support | 2023 |
| Ackomatics Appliance Sales Limited | Wholesale & retail | 2021 |
| Acorn Advisory Limited | Professional & scientific | 2020 |
| Adam LEE Coaley Tattoos Ltd | Other services | 2022 |
| ADP Forresters Unlimited | Financial services | 2023 |
| Ads-Plan Limited | Professional & scientific | 2002 |
| Advanced Foot Care Limited | Health & social care | 2008 |
| Agile Manufacturing Consultancy Limited | Professional & scientific | 2016 |
| Agrispread Ltd | Agriculture & fishing | 2017 |
| AJA Visions Ltd | Information & communication | 2023 |
| Ajfm Associates Ltd | Professional & scientific | 2023 |
| Ajpe Limited | Construction | 2014 |
| Aloha Accounting Ltd | Professional & scientific | 2017 |
| Aluto Fitness & Wellbeing Ltd | Arts & recreation | 2022 |
| Alvenley Ltd | Real estate | 2009 |
| ALX Installations Ltd | Construction | 2026 |
| Alxj Holdings Ltd | Real estate | 2025 |
| Amber Rose Ltd | Health & social care | 2022 |
| Amigo Packaging Ltd | Wholesale & retail | 2010 |
| Anax Retail Limited | Wholesale & retail | 2012 |
| Anfield Services Limited | Wholesale & retail | 1995 |
| Angus Ewing Consulting Ltd | Professional & scientific | 2026 |
| Antrobus Brothers Limited | Wholesale & retail | 2019 |
| Applebees Pre-School Ltd | Education | 2016 |
| Applegate & Co Accountants Limited | Professional & scientific | 2007 |
| April Training Executive Limited | Information & communication | 1991 |
| Aquarius Aviation Limited | Professional & scientific | 2003 |
| Aquatech Diving Centre Limited | Education | 2016 |
| ARA Architecture Limited | Professional & scientific | 2011 |
| Arlington Business Consultancy Limited | Professional & scientific | 2014 |
| Arndale Transport Limited | Transport & logistics | 1989 |
| Arthur's Pizzeria Limited | Hospitality | 2025 |
| Ascendant MMA Academy Ltd | Arts & recreation | 2025 |
| Ashburner Properties Ltd | Real estate | 2025 |
| Ashcroft Engineering & Investment Limited | Real estate | 2025 |
| Ashfield Capital Limited | Professional & scientific | 2018 |
| Ashton Catering Equipment Limited | Wholesale & retail | 2006 |
| Aspra Developments Limited | Construction | 2014 |
| Astute AV (England) Limited | Construction | 2014 |
| Atlantic Talent Recruitment Ltd | Administrative & support | 2024 |
| Atlas Cultural Exchange Centre Ltd | Administrative & support | 2023 |
| Aurora Health Physics Services Limited | Professional & scientific | 2001 |
| Automated Installations Limited | Manufacturing | 2007 |
| Awesome Animals Ltd | Agriculture & fishing | 2021 |
| Awesome Equine Limited | Extraterritorial | 2022 |
| Awesome Walls Climbing Centres Limited | Arts & recreation | 2005 |
| Awmellor Associates Limited | Information & communication | 2010 |
| Azurite Solutions Limited | Manufacturing | 2014 |
| Badger Technical Services Ltd | Real estate | 2007 |
| Baldwin Landscaping Limited | Administrative & support | 1974 |
| Barbarian Properties Limited | Construction | 2020 |
| Barratt Chemicals Limited | Administrative & support | 1994 |
| Barratt Chemicals Trading Limited | Wholesale & retail | 2023 |
| BDP Developments Ltd | Real estate | 2025 |
| Bear Landscapes & Driveways Ltd | Administrative & support | 2022 |
| Beechfield Quality Services Ltd | Professional & scientific | 2022 |
| Belleair Contractors Ltd | Administrative & support | 2020 |
| Belleair Groundworks Ltd | Administrative & support | 2022 |
| BEN Davies Consultancy Limited | Professional & scientific | 2021 |
| Bene Delicatessen Ltd | Wholesale & retail | 2025 |
| Bene Gelateria Ltd | Wholesale & retail | 2021 |
| Bewick House (Newcastle) Management Company Ltd | Real estate | 2021 |
| BG Bars Ltd | Hospitality | 2025 |
| Big Fish Construction Limited | Other services | 2020 |
| Big Orange Jumper Limited | Administrative & support | 2020 |
| Bindis Lost and Found Pets CIC | Agriculture & fishing | 2020 |
| Birchdale Cyber Consulting Ltd | Information & communication | 2026 |
| BJM Recruitment Limited | Administrative & support | 2025 |
| Black LAB Cyber Ltd | Information & communication | 2025 |
| Blissful Relaxation Ltd | Information & communication | 2025 |
| Bloom Coffee & Brunch Limited | Hospitality | 2025 |
| Bloom Insurance Services Limited | Financial services | 2018 |
| Blue Garrison Limited | Transport & logistics | 2026 |
| Blue TIN Design Ltd | Professional & scientific | 2024 |
| Bmt-Uk Ltd | Wholesale & retail | 2021 |
| BOB Stubbs Farriery Limited | Agriculture & fishing | 2011 |
| Born Hair Care Limited | Wholesale & retail | 2015 |
| Brackenway Consultancy Services Ltd | Administrative & support | 2024 |
| Bradley Orchard Farms Limited | Agriculture & fishing | 2000 |
| Breakthrough Thinking Ltd | Professional & scientific | 2015 |
| Brent J Sansom Lighting Design Services Limited | Professional & scientific | 2015 |
| Bridgeman Property Consultants Limited | Real estate | 2012 |