| E B Mcevedy Historic Buildings Consultants Ltd | Professional & scientific | 2012 |
| E.J.Tong & Sons(Retail)Limited | Wholesale & retail | 1964 |
| Eagle Structural Limited | Manufacturing | 1993 |
| East Coast Flooring Limited | Construction | 1999 |
| East Coast Salvage Services (Sutton) Limited | | 1989 |
| Eastern Automatics Limited | Arts & recreation | 2005 |
| Eastern Farm Implements Limited | Agriculture & fishing | 1941 |
| Eastfields Developments Limited | Wholesale & retail | 1990 |
| Ecotec UK Limited | Construction | 2008 |
| Edsc Ltd | Professional & scientific | 2007 |
| Edward Brooks (Holding) Limited | Professional & scientific | 1985 |
| Edward Marris Design Limited | Other services | 2005 |
| Edward P Wright (Holdings) Limited | Professional & scientific | 2007 |
| EFF Offshore Solutions Limited | Wholesale & retail | 2007 |
| EGS Projects Limited | Other services | 2005 |
| Elderkin & SON (Gunmakers) Limited | Wholesale & retail | 1956 |
| Electric Tracks Limited | Arts & recreation | 2005 |
| Elesa (UK) Ltd. | Manufacturing | 1957 |
| Emerald Pensions Consulting Limited | Professional & scientific | 2014 |
| Emergency Response Training Solutions Limited | Health & social care | 2006 |
| EMG GAS Limited | Construction | 2003 |
| Emice Limited | Professional & scientific | 1999 |
| Emperors Kitchen Limited | Hospitality | 2024 |
| Energy Calculations Ltd | Professional & scientific | 2006 |
| English Sugar Beet Seed Company Limited | Agriculture & fishing | 1950 |
| Engreen Renewables Limited | Construction | 2023 |
| Enterprise Tyres Ltd | Wholesale & retail | 2007 |
| Epton's (Skegness) Limited | Wholesale & retail | 1958 |
| Erewhon Investment Company Limited | Financial services | 1960 |
| Errol Bolger Limited | Professional & scientific | 2002 |
| Eslo Homes Ltd | Real estate | 2022 |
| European Soft Touch Limited | Administrative & support | 2003 |
| European Support Services (UK) Limited | Administrative & support | 2001 |
| Evante Sales Limited | | 1989 |
| Ewerby Road Residents Management Company Limited | Households | 2024 |
| Express Powder Coating Lincoln Limited | Manufacturing | 2005 |
| F a Cropley & SON (Holdings) Ltd | Financial services | 2025 |
| FA Prep UK Ltd | Transport & logistics | 2017 |
| Face Facts (International) Limited | Wholesale & retail | 1999 |
| Fancy Frox Limited | Wholesale & retail | 2006 |
| Farmdrive Limited | Construction | 1983 |
| Farmgear Limited | Extraterritorial | 2004 |
| Faulkners Louth Limited | Wholesale & retail | 2002 |
| Fellside Estates Limited | Real estate | 2004 |
| Field House Farming Company Limited | Agriculture & fishing | 2001 |
| Floris Limited | Professional & scientific | 2007 |
| Follie Ltd | Wholesale & retail | 2004 |
| Fortuna Capital Management Limited | Construction | 2007 |
| Fossdyke Developments Limited | Professional & scientific | 2006 |
| Francis & SON Limited | Agriculture & fishing | 2004 |
| Freight-Linc Logistics Limited | Transport & logistics | 2001 |
| G T a Associates Limited | Professional & scientific | 2002 |
| G Young Labour Services Limited | Administrative & support | 2005 |
| G&S Oliver Limited | Wholesale & retail | 2002 |
| G. Fidling Limited | Wholesale & retail | 2004 |
| G. Presley (Ceramics) Limited | Wholesale & retail | 1978 |
| G.S.A Developments Limited | Construction | 2005 |
| Gainsborough and District Welfare Community Association Limited | Health & social care | 1996 |
| Gainsborough Shipping Co, Limited | Manufacturing | 1968 |
| Galletly Medical Services Limited | Health & social care | 2007 |
| Gary Avison Limited | Wholesale & retail | 1996 |
| GAS Turbine Services (Lincoln) Limited | Administrative & support | 2002 |
| Gatemark Limited | Agriculture & fishing | 1993 |
| Gcjr Consultants Limited | Professional & scientific | 2007 |
| Gcjr Development Limited | Construction | 2007 |
| Gcwp IT Solutions Limited | Information & communication | 2005 |
| Geecam Limited | Real estate | 1998 |
| Gerry Clayton Commercials Limited | Wholesale & retail | 2003 |
| GFI (Properties) Limited | Administrative & support | 1989 |
| Giftware Solutions Limited | Professional & scientific | 2003 |
| Gill Hardy Hairdressing Limited | Other services | 2003 |
| Glebe Marketing Limited | Wholesale & retail | 1993 |
| Glo-More Ltd | Administrative & support | 2004 |
| Global OIL Services Limited | Mining & quarrying | 2001 |
| Gold & Stockholding Consortium Limited | Wholesale & retail | 1987 |
| Goodchild Limited | Wholesale & retail | 2003 |
| Gowers Surveyors Limited | Professional & scientific | 2006 |
| Graduate School of Leadership and Management Ltd | Education | 2018 |
| Graham Gill Carpets Limited | Wholesale & retail | 1966 |
| Grail Investments Limited | Professional & scientific | 2006 |
| Grange Farm (Pinchbeck) Farming Company | | 1986 |
| Grantby Limited | Real estate | 2007 |
| Grantham Caravans Limited | Wholesale & retail | 1994 |
| Grantham Chiropractic Clinic Limited | Wholesale & retail | 1995 |
| Grantham Electrical Engineering Company Limited | Professional & scientific | 1992 |
| Grantham Estates Limited | Professional & scientific | 2004 |
| Grantham Fabrication and Profile Services Limited | Administrative & support | 1982 |
| Grayscroft BUS Services Limited | Transport & logistics | 1965 |
| Green Generation Limited | Construction | 2004 |
| Grosvenor Care Homes Limited | Health & social care | 2002 |
| Grosvenor Exhibitions Limited | Arts & recreation | 1993 |
| Grunwald Limited | Wholesale & retail | 2000 |
| Gungah Care Limited | Health & social care | 2007 |
| Gupta Foods Ltd | Professional & scientific | 2007 |
| GUY Forman Architect Ltd | Professional & scientific | 2014 |
| Gypsey Employment Agency Ltd | Administrative & support | 2002 |
| H.R. Smith & SON Limited | Agriculture & fishing | 1946 |
| Halcyon Care Limited | Other services | 1999 |
| Hallam International Consultancy Ltd | Information & communication | 2017 |
| Hallmark Sundecks Limited | Manufacturing | 2001 |