| 10 Coffee Shop Ltd | Hospitality | 2008 |
| 1201 Media Ltd | Information & communication | 2026 |
| 13 Property Developments Limited | Real estate | 2025 |
| 2 Scoops Properties Limited | Real estate | 2025 |
| 500 Grams Ltd | Wholesale & retail | 2020 |
| 8BALLCAMPER Conversions Limited | Wholesale & retail | 2011 |
| A & a Plant Limited | Wholesale & retail | 2022 |
| A & C Homes Limited | Real estate | 2015 |
| A & D Safety Ltd | Professional & scientific | 2025 |
| A & M Renting Ltd | Real estate | 2020 |
| A & T (Bedford) Limited | Water & waste | 2008 |
| A59ENGLISH Ltd | Education | 2023 |
| AA GAS Services Limited | Construction | 2006 |
| AB Electrical Services (Hull) Limited | Construction | 2003 |
| Abepet Investment and Management Ltd | Real estate | 2025 |
| AC Ventilation (Hull) Ltd | Construction | 2018 |
| ACP Assist Limited | Administrative & support | 2023 |
| ACS Developments Homes Limited | Administrative & support | 2017 |
| ACS Holdings (Hull) Limited | Financial services | 2017 |
| Action Amps [Amputee Casualty Simulations] Limited | Other services | 2005 |
| Active Heart Health Ltd | Health & social care | 2019 |
| Adam Bolder Sport Foundation CIC | Education | 2026 |
| Adam Donkin Transport Limited | Transport & logistics | 2016 |
| Additive Technical Solutions Limited | Professional & scientific | 2026 |
| ADS Prop Co Ltd | Real estate | 2026 |
| Aeonian Projects Ltd | Professional & scientific | 2011 |
| Afnan Trading Limited | Wholesale & retail | 2024 |
| AHS Property Maintenance Limited | Construction | 2025 |
| Air Corp Global Limited | Manufacturing | 2023 |
| AJS Engineering Services Ltd | Professional & scientific | 2019 |
| AK China Ltd | Administrative & support | 2017 |
| Akik Limited | Health & social care | 2025 |
| Akina Hair Limited | Other services | 2023 |
| Akina Retail Limited | Other services | 2024 |
| Akquinet MSC UK Limited | Information & communication | 2019 |
| Akta Productions Ltd. | Arts & recreation | 2021 |
| Al-Miraj Moves Ltd | Water & waste | 2025 |
| Albayatizd Limited | Wholesale & retail | 2012 |
| Albion Street Properties Limited | Real estate | 2014 |
| Alex Mccoy Property Group Ltd | Real estate | 2024 |
| Alishaan (Yorkshire) Limited | Hospitality | 2021 |
| ALL Around Design Limited | Professional & scientific | 2021 |
| ALL Aspect Groundworks Ltd | Construction | 2019 |
| Allenlytic Ltd | Professional & scientific | 2025 |
| Allie Bailey Ltd | Administrative & support | 2016 |
| Alliedcore Limited | Professional & scientific | 2020 |
| Aloha Aesthetic Ltd | Health & social care | 2020 |
| Alsinead Ltd | Professional & scientific | 2024 |
| ALT. Studio Limited | Professional & scientific | 2017 |
| ALW Holdings Ltd | Wholesale & retail | 2023 |
| Amorg Property Group Limited | Real estate | 2026 |
| AMT Marsh Plumbing, Heating & GAS Ltd | Construction | 2021 |
| AMY Wolsey Limited | Information & communication | 2026 |
| Andrew O'Sullivan Ltd | Administrative & support | 2002 |
| Andy's Auto's Ltd | Wholesale & retail | 2026 |
| Anlaby Properties Limited | Arts & recreation | 2017 |
| Anthelion Ltd | Wholesale & retail | 2025 |
| AP Leisure Products Ltd | Wholesale & retail | 2024 |
| Aperx Consultants and Accountants Ltd | Professional & scientific | 2013 |
| Applegate Estates Group Ltd | Real estate | 2024 |
| AQJ Properties Limited | Real estate | 2014 |
| Archana Ltd | Water & waste | 2025 |
| Archangel GRP Ltd | Hospitality | 2021 |
| Archangel Inns Ltd | Hospitality | 2022 |
| Aristocathotel Limited | Health & social care | 2016 |
| Artmarket Gallery Limited | Extraterritorial | 2018 |
| AS Mcintosh Limited | Professional & scientific | 2019 |
| ASH TV Intl Ltd | Professional & scientific | 2014 |
| Ashurst Instrumentation Ltd | Manufacturing | 2022 |
| Aspect Building Services Ltd | Administrative & support | 2018 |
| Astro Ltd | Administrative & support | 2016 |
| Astrum Holdings Ltd | Professional & scientific | 2025 |
| Astrum House Ltd | Health & social care | 2025 |
| ATZ Clothing Ltd | Wholesale & retail | 2024 |
| AU & UK Ltd | Real estate | 2020 |
| Auto Hub Services Ltd | Wholesale & retail | 2020 |
| Autobroker (Melton) Limited | Wholesale & retail | 2018 |
| Autumn Moon Bsl/English Interpreting Services Limited | Professional & scientific | 2025 |
| Avery BID Consulting Limited | Professional & scientific | 2024 |
| AWS Developments Limited | Construction | 2017 |
| B Fash Property Limited | Real estate | 2023 |
| B G P Services Ltd | Construction | 2020 |
| B Tomlinson Holdings Limited | Financial services | 2023 |
| B Z S Motors Ltd | Manufacturing | 2013 |
| B.E. Coffee Ltd | Wholesale & retail | 2017 |
| B.M. Systems Limited | Professional & scientific | 2021 |
| B.W Plastering & Building Solutions Ltd | Construction | 2021 |
| Badwater Drinks Ltd | Wholesale & retail | 2021 |
| Bakehouse Commercial Ltd | Real estate | 2025 |
| Bakumeni Adams Hospitality Group Ltd | Hospitality | 2025 |
| BAL Properties PVT Ltd | Real estate | 2024 |
| Balcary Ltd | Professional & scientific | 2011 |
| Bamforth Bespoke Developments Limited | Construction | 2023 |
| Bandtemi Limited | Health & social care | 2023 |
| Bartbiel Property Ltd | Real estate | 2025 |
| Batbail Limited | Other services | 2024 |
| Batin Health Support Ltd | Health & social care | 2021 |
| Baytal Enterprises Limited | Construction | 2025 |
| Beat Agency Limited | Professional & scientific | 2024 |
| Beaumont International Limited | Real estate | 2023 |