| 03179830 Limited | Manufacturing | 1996 |
| 101 the Beauty Studio Limited | Other services | 2005 |
| 116 Lobsters Limited | Professional & scientific | 2010 |
| 1ST Choice Carpets & Beds Limited | Wholesale & retail | 2003 |
| 1ST WET & Wild Limited | Wholesale & retail | 2005 |
| 25 Seven Lifestyle Management Limited | Professional & scientific | 2003 |
| 3 Cornmarket Louth Limited | Real estate | 2004 |
| 3 Gladstone Terrace Management Company Limited | Households | 2007 |
| 79 Tennyson Avenue Management Company Limited | Hospitality | 2006 |
| 939 Design Limited | Information & communication | 2006 |
| A M Osman Builders Limited | Construction | 2006 |
| A M Services (Yorkshire) Limited | Professional & scientific | 2006 |
| A.E. Purdy Limited | Wholesale & retail | 1978 |
| A.E. Smith (Kilham) Limited | Agriculture & fishing | 2003 |
| A.M.I. Cold Stores Limited | Transport & logistics | 1929 |
| A.P.L. (Humberside) Haulage Limited | Transport & logistics | 1976 |
| AAA Delivery Services Limited | Transport & logistics | 2003 |
| Abbeygate Financial Consultancy Limited | Financial services | 2003 |
| ABI (UK) Limited | Manufacturing | 1998 |
| Access Locksmith Solutions Limited | Construction | 2006 |
| Accountancy and Secretarial Services Limited | Professional & scientific | 2002 |
| Addplant Holdings Limited | Other services | 1992 |
| Addplant Limited | Administrative & support | 1984 |
| Adept Systems (Hull) Ltd | Information & communication | 1997 |
| Affiniti Integrated Solutions Ltd. | Information & communication | 1993 |
| AK Haulage Limited | Transport & logistics | 2005 |
| Alexandra Court (Collective Enfranchisement) Limited | Households | 2006 |
| ALL Access Tree Care Ltd | Administrative & support | 2024 |
| ALL Seasons (Filey) Limited | Wholesale & retail | 2006 |
| Alliance Electro Plating Limited | Manufacturing | 2006 |
| Allied Foods Limited | Manufacturing | 1951 |
| Allsigns the Signmakers Limited | Administrative & support | 2003 |
| Alma Jordan (Builders) Limited | Construction | 1976 |
| Almarr Seafoods Limited | Extraterritorial | 1992 |
| Alnwickbridge Limited | Professional & scientific | 1979 |
| Amaretto Experience Limited | Hospitality | 2004 |
| Amjo Electrical & Fire Services Ltd | Construction | 2005 |
| AN EYE for Design Limited | Professional & scientific | 2003 |
| Anco Building Services Limited | Construction | 2003 |
| Anderson Safety & Engineering Services Limited | Public administration | 2004 |
| Andrew Little Limited | Wholesale & retail | 2001 |
| Andrew Marr International Limited | Agriculture & fishing | 1986 |
| Anlaby Maintenance & Cleaning Services Limited | Administrative & support | 2007 |
| Annandale Limited | Manufacturing | 1998 |
| Anoesis Limited | Hospitality | 2006 |
| Appleworld Limited | Information & communication | 2003 |
| Aquarius of Howden Limited | Wholesale & retail | 2004 |
| Ashrose Group Ltd | Construction | 2002 |
| Atkinson & Prickett Limited | Professional & scientific | 1928 |
| Autocruise Motorhomes Limited | Extraterritorial | 2005 |
| Avery Leather Consulting Limited | Administrative & support | 2007 |
| Axesrus Limited | Wholesale & retail | 2004 |
| B & W Trees Ltd | Agriculture & fishing | 2002 |
| B Batch Shopfitters Limited | Construction | 1988 |
| B. Batch Electrical Limited | Construction | 1977 |
| B.Danby & Co,Limited | Wholesale & retail | 1909 |
| Baker Street Central Management Company Limited | Real estate | 2005 |
| Baldwin Glass Limited | Manufacturing | 1990 |
| Bayes Developments Ltd | Administrative & support | 2006 |
| Bayston Transport Limited | Water & waste | 2002 |
| Beaconfield Farm Limited | Agriculture & fishing | 2002 |
| Beadle Livestock Limited | Agriculture & fishing | 2001 |
| Beagle Joinery and Building Services Ltd | Construction | 2005 |
| Beaver Developments Limited | Real estate | 1981 |
| BED World (Hull) Limited | Wholesale & retail | 2004 |
| Beech Lawn Care Home Limited | Health & social care | 2003 |
| Beresford Antiques and Restorations Limited | Professional & scientific | 2004 |
| Bioapp Solutions Limited | Professional & scientific | 2015 |
| Birchwood Garage (Beverley) Limited | Wholesale & retail | 2004 |
| Book&Claim Limited | Administrative & support | 2006 |
| Bootleggers Limited | Wholesale & retail | 1995 |
| Bosomworth Glass Limited | Manufacturing | 2003 |
| Botanic Sidings Limited | Arts & recreation | 1999 |
| Bradavon Consultants Limited | Professional & scientific | 2002 |
| Bradavon Financial Services Ltd | Professional & scientific | 2003 |
| Bradshaw Installations Limited | Construction | 2003 |
| Bridlington Stationers Limited | Wholesale & retail | 2003 |
| Brik - TEC Services Limited | Construction | 1992 |
| Britcom International Limited | Wholesale & retail | 1981 |
| British Agrifood Consortium Ltd | Administrative & support | 2006 |
| British Mackerel Exports Limited | Extraterritorial | 1979 |
| Broady Valves Limited | Manufacturing | 1959 |
| Brookes Menswear Limited | Wholesale & retail | 2002 |
| Brough Physical Therapy Clinic Limited | Health & social care | 2006 |
| Browns Caravan Park Limited | Hospitality | 2005 |
| Burts (Hull) Limited | Financial services | 1957 |
| BWD Systems Limited | Professional & scientific | 2006 |
| C C Builders Limited | Construction | 2005 |
| C J Properties (Yorkshire) Limited | Real estate | 2002 |
| C&D Foods (Driffield) Unlimited | Manufacturing | 1992 |
| C&D Foods (UK) Unlimited | Professional & scientific | 2004 |
| C. Drescher Limited | Agriculture & fishing | 1965 |
| C.E. Pittaway & SON Limited | Construction | 1959 |
| C.J. Covers Limited | Manufacturing | 1990 |
| C.T. Urban Limited | Construction | 2006 |
| Cammish & Company Limited | Real estate | 2006 |
| Capital Property & Finance Ltd. | Financial services | 2002 |
| Carousel Fishing Company (Grimsby) Limited | Agriculture & fishing | 2019 |
| Cat Claws Limited | Hospitality | 2001 |
| Causey Hill Caravan Park Limited | Hospitality | 2006 |