| 1808 Developments Ltd | Real estate | 2025 |
| 1864 Limited | Hospitality | 2024 |
| 2 Delta Engineering Limited | Professional & scientific | 2024 |
| 208 B3 Limited | Administrative & support | 2014 |
| 25 Yorkersgate Malton Limited | Hospitality | 1989 |
| 4GD Consulting Ltd | Professional & scientific | 2025 |
| 4SIGHT Surveying Ltd | Information & communication | 2022 |
| 82-35 Holdco Limited | Financial services | 2020 |
| A Better Step Limited | Health & social care | 2009 |
| A H Medicare Limited | Health & social care | 2023 |
| A I Flooring Limited | Wholesale & retail | 2007 |
| A&A Property Group Ltd | Real estate | 2017 |
| A.Carmichael & Co.Limited | Wholesale & retail | 1941 |
| A.K.N Construction Ltd | Construction | 2016 |
| Aaas Medical Limited | Health & social care | 2023 |
| Abbey Care and Education Ltd | Hospitality | 2022 |
| Abbey-Hull Limited | Construction | 2008 |
| Achelois (York) Limited | Health & social care | 2011 |
| Aero-Nautical Limited | Professional & scientific | 2025 |
| AFP Realisations 2023 Ltd | Manufacturing | 2015 |
| AFX Trading Limited | Other services | 2023 |
| Agppr Ltd | Real estate | 2025 |
| AJ Consult Ltd | Professional & scientific | 2024 |
| Alexandra Louise Green Limited | Professional & scientific | 2024 |
| Alexandros Kouloumpinis Limited | Health & social care | 2022 |
| Alexis Filters Ltd | Administrative & support | 2011 |
| AM Medical Consultancy Limited | Health & social care | 2019 |
| Amaani Limited | Real estate | 2025 |
| Ambassador Hotel (Scarborough) Limited | Hospitality | 2003 |
| Amelia Rose Property Limited | Real estate | 2024 |
| AMP UP Electrical Limited | Construction | 2026 |
| Anchor Inns Limited | Hospitality | 1992 |
| Andmar Limited | Real estate | 2017 |
| Andrew Quay Hull LLP | | 2008 |
| Anglo-Magyar Logistics Ltd | Transport & logistics | 2016 |
| Annikas Apron Limited | Hospitality | 2015 |
| Aparna Sree Ltd | Health & social care | 2019 |
| Apex Comms and Energy Ltd | Information & communication | 2025 |
| Apogee Labs Ltd | Professional & scientific | 2025 |
| App Agency Ltd | Wholesale & retail | 2021 |
| App Development Solutions Limited | Information & communication | 2014 |
| Aquarius Panel Products Limited | Wholesale & retail | 2005 |
| Arjaan Limited | Health & social care | 2025 |
| Armstrong Construction (Hull) Limited | Construction | 1998 |
| Aryan Healthcare Services Ltd | Health & social care | 2012 |
| AS Training Services Ltd | Education | 2014 |
| Aspire Fine Art Limited | Wholesale & retail | 2022 |
| ATO Integrated Solutions Ltd | Professional & scientific | 2025 |
| Auric Media Ltd | Information & communication | 2025 |
| B G L Estates Limited | Construction | 1995 |
| B.S.T.U.K Limited | | 2008 |
| Bayram Timber Limited | Manufacturing | 2000 |
| Bean Drop Ltd | Hospitality | 2019 |
| BEAUTY969 Limited | Health & social care | 2016 |
| Beehive Creative Studio Limited | Other services | 2019 |
| Belbo Limited | Extraterritorial | 2011 |
| Bellam Construction Limited | Construction | 2022 |
| Bespoke Management Accounting Services Limited | Professional & scientific | 2014 |
| Bhasme Medical Services Limited | Health & social care | 2015 |
| Bhasme Properties Limited | Real estate | 2018 |
| Biowood Services Limited | Water & waste | 2016 |
| Bird Box Property Holdings Ltd | Real estate | 2017 |
| Bison Lifting Solutions Limited | Administrative & support | 2017 |
| BL 634 Limited | Hospitality | 2018 |
| Bloom Valley Limited | Agriculture & fishing | 2018 |
| Blue Star Planning Limited | Professional & scientific | 2018 |
| Bodacious Limited | Information & communication | 2009 |
| Booksmith Accountancy Limited | Professional & scientific | 2026 |
| Boom Projects Ltd | Construction | 2025 |
| Brick to Brick Ltd | Real estate | 2023 |
| Bridgeview Equity Group Ltd | Financial services | 2025 |
| Browns Group Limited | Wholesale & retail | 2018 |
| Bull Renovations Ltd | Construction | 2025 |
| Burgsy's Limited | Hospitality | 2015 |
| Burtech Recruitment Limited | Administrative & support | 2025 |
| Busy Little Hands Ltd | Health & social care | 2022 |
| Butlers Catering Limited | Hospitality | 2024 |
| BWR Haulage Limited | Transport & logistics | 2008 |
| C&R Property Innovation Limited | Professional & scientific | 2018 |
| Calbrae Care Services Ltd | Health & social care | 2026 |
| Callis & Sons Limited | Real estate | 2011 |
| Callis Homes Limited | Real estate | 2013 |
| Callis Property Limited | Real estate | 2018 |
| Capenson Limited | Real estate | 2025 |
| Cara-Rentals Limited | Administrative & support | 2012 |
| Cara-Sales Limited | Wholesale & retail | 2000 |
| Cardiac Consultancy Services Limited | Health & social care | 2022 |
| Caritas Care Solutions Ltd | Health & social care | 2010 |
| Carmark Vehicle Sales Limited | Wholesale & retail | 2022 |
| Carol Johns Travel Ltd | Administrative & support | 2013 |
| Castle Renovation Services Ltd | Construction | 2022 |
| CBE Property Ltd | Real estate | 2026 |
| CDM Labels Limited | Manufacturing | 2015 |
| Central Essex Interiors Limited | Construction | 1995 |
| Chandler Developments Limited | Real estate | 1975 |
| Charrington Asset Management Limited | Professional & scientific | 2001 |
| Chase Smokerooms Limited | Hospitality | 2023 |
| Chemdefend Safety Products Ltd | Professional & scientific | 2013 |
| Cherie Loco Ltd | Wholesale & retail | 2025 |
| CHG Engineering Limited | Professional & scientific | 2022 |