| 00092256 Limited | Wholesale & retail | 1907 |
| 20/20 Facilities Management Limited | Other services | 1997 |
| A.P.R. Secretaries Limited | Professional & scientific | 1999 |
| A.R. Needham (Butchers) Limited | Wholesale & retail | 1972 |
| A.R.H.Tucker & Sons(Cleethorpes)Limited | Construction | 1950 |
| AA Property Developments UK Limited | Real estate | 2002 |
| AB Ceilings (Grimsby) Limited | Construction | 2000 |
| Abbey Windows Doors and Conservatories Limited | Other services | 1997 |
| Abeko (UK) Limited | Transport & logistics | 1989 |
| Acrom Construction Management Limited | Other services | 2005 |
| Acrom Holdings Limited | Financial services | 2000 |
| Adda Design and Build Limited | Construction | 2000 |
| Alex Hogg Memorial Trust Limited | Real estate | 2005 |
| Allenby Stevenson Limited | Wholesale & retail | 1973 |
| Apave UK Ltd | Professional & scientific | 1992 |
| Arts Contact Limited | Administrative & support | 1999 |
| Ashley Estates Limited | Construction | 2002 |
| Audioisland Limited | Other services | 2001 |
| Autoboutique (Humber) Limited | Wholesale & retail | 2007 |
| Aylesby Manor Farms Limited | Agriculture & fishing | 1952 |
| Bannister Developments (Grimsby) Limited | Construction | 1996 |
| BED Centre (Grimsby) Limited | Wholesale & retail | 2000 |
| Bedi & Bedi Limited | Real estate | 2005 |
| Beelsby Contractors Limited | Transport & logistics | 1996 |
| Bellview Homes Limited | Construction | 2001 |
| Black River Limited | Wholesale & retail | 2006 |
| Blackbird Properties Ltd | Households | 2019 |
| Blackrow Group Limited | Financial services | 2023 |
| Blue Ice (Seafoods) Limited | Manufacturing | 2001 |
| Blue MOO Ltd | Wholesale & retail | 2011 |
| Boldarch Limited | Real estate | 1997 |
| C.G.B. Humbertherm Limited | Construction | 1975 |
| Cadmax Limited | Professional & scientific | 1996 |
| Car Services (Grimsby) Limited | Wholesale & retail | 2002 |
| Car Services (Holdings) Limited | Wholesale & retail | 2018 |
| Chris Stiff Decorators Limited | Construction | 2003 |
| Cineshow UK Ltd | Arts & recreation | 2021 |
| Clee Fields Management Company Limited | Arts & recreation | 2001 |
| Cleethorpes Bowling Club Limited(The) | Arts & recreation | 1908 |
| Colin Bateson Limited | Wholesale & retail | 2000 |
| Commercial Vehicle Services (Immingham) Limited | Wholesale & retail | 2000 |
| Creative Nature UK Limited | Administrative & support | 2007 |
| Crystal Pyramid Ltd | Information & communication | 1989 |
| D Nicholson Painters Ltd | Other services | 2002 |
| D.M. Bradley Limited | Construction | 2002 |
| Daily Shipping Services Limited | Transport & logistics | 1989 |
| Dock Tower Limited | Real estate | 1999 |
| Dreamdigital Ltd | Information & communication | 1992 |
| E Handcock Limited | Transport & logistics | 2002 |
| Earlswood Services Limited | Construction | 1998 |
| Edward Stenton & Associates Limited | Construction | 1989 |
| Efab Real Estate and Asset Management Ltd | Real estate | 2022 |
| Efab Resourcing Ltd | Administrative & support | 2007 |
| Electrical Wholesale Services Limited | Wholesale & retail | 2005 |
| Equans Fabricom UK Limited | Extraterritorial | 1974 |
| Eton-Lincs Limited | Construction | 2000 |
| Evergreen Windows & Conservatories Limited | Construction | 2003 |
| Excell Electrical Contractors Limited | Construction | 1992 |
| F.R. Townsend & Co., Limited | Manufacturing | 1973 |
| Fabricom (UK) Limited | Extraterritorial | 1931 |
| Fabrique Specialist Glazing Systems Limited | Construction | 2002 |
| Fillet Fish Limited | Manufacturing | 2005 |
| Firmbarn Holdings Company Limited | Financial services | 2017 |
| Flatfish Limited | Manufacturing | 1979 |
| Formulas for Success Limited | Extraterritorial | 1989 |
| Freelance (EU) Limited | Transport & logistics | 2007 |
| G B Kitchens Limited | Other services | 2003 |
| G Cowley Limited | Administrative & support | 1989 |
| G.P. Community Sports Limited | Administrative & support | 2003 |
| Galicia IT Consultancy Limited | Information & communication | 2006 |
| Garbett & SON Limited | Construction | 2005 |
| Garry Newton Limited | Construction | 2003 |
| Glaschoille Engineering Limited | Administrative & support | 1996 |
| Goldhanger Limited | Other services | 1996 |
| Grange Insurance Consultants Limited | Professional & scientific | 2000 |
| Grimsby & Cleethorpes Area Doorstep | Hospitality | 1990 |
| Grimsby Copy Centre Limited | Real estate | 1997 |
| Grimsby Fish Supplies Limited | Wholesale & retail | 2003 |
| Grimsby Town Foundation | Arts & recreation | 2008 |
| H S Bratch Ltd | Health & social care | 2005 |
| H. V. Services Limited | Administrative & support | 1988 |
| H.J. Bunn Limited | Manufacturing | 2002 |
| Hague Telecom Services Ltd | Construction | 2009 |
| Hall Farm Hotel and Restaurant Limited | Hospitality | 1998 |
| Harbour Place Grimsby | Health & social care | 1997 |
| Harriet's Limited | Hospitality | 2002 |
| Hewson Limited | Construction | 2003 |
| Hitherbury Limited | Professional & scientific | 1977 |
| Hobmar Engineering Limited | Other services | 1995 |
| Humber Work Boats Limited | Construction | 1974 |
| Humberside Instruments Limited | Professional & scientific | 1984 |
| Intelect Engineering Limited | Manufacturing | 2011 |
| Irisndt UK Holdings Limited | Financial services | 2003 |
| Isernia Properties Limited | Real estate | 1996 |
| J R M Traction Limited | Transport & logistics | 2001 |
| J. Ward (Grimsby) Limited | Wholesale & retail | 1978 |
| J.P. Associates Limited | Professional & scientific | 1992 |
| Jace Joinery Limited | Construction | 2003 |
| Jason Motors (Grimsby) Limited | Real estate | 1999 |
| Jerrards Butchers Limited | Wholesale & retail | 2003 |