| Ethereal Real Estate Solutions Limited | Extraterritorial | 2025 |
| Etherton Limited | Manufacturing | 2004 |
| EVE Collins Limited | Arts & recreation | 2002 |
| Evenlode Consulting Limited | Professional & scientific | 2007 |
| F.E. Cole (Duct Work) Limited | Manufacturing | 1984 |
| F7 Solutions Ltd | Professional & scientific | 2019 |
| Farr Pipework Services Ltd | Manufacturing | 2006 |
| Farshak Enterprises Limited | Extraterritorial | 2008 |
| Fashion Fusion Apparels Ltd | Wholesale & retail | 2023 |
| Feet First (Southam) Limited | Health & social care | 2003 |
| Fendius Limited | Wholesale & retail | 1985 |
| Fightback (National) Ltd | Health & social care | 1991 |
| Filton (L/Spa) Limited | Manufacturing | 2011 |
| Filton Properties Limited | Professional & scientific | 2015 |
| Finemark Holdings Limited | Financial services | 2006 |
| First Class Diamonds Limited | Wholesale & retail | 2007 |
| First Class Watches Limited | Wholesale & retail | 2007 |
| Fixed Return Investments Limited | Real estate | 1984 |
| Flush Enterprises Ltd | Construction | 2007 |
| Focus on Accounts Limited | Professional & scientific | 2003 |
| Forkwell Limited | Real estate | 1989 |
| Formula Management Limited | Administrative & support | 2000 |
| Fortify Tactical Risk Ltd | Administrative & support | 2025 |
| Fox's Peppermills Limited | Professional & scientific | 1989 |
| Fox's Spices Franchising Limited | Professional & scientific | 1989 |
| Foxton Software Ltd | Information & communication | 2011 |
| Freeman & Pardoe Limited | Manufacturing | 1960 |
| Freeman and Pardoe Engineering Limited | Wholesale & retail | 1986 |
| Freightline Carriers Ltd | Transport & logistics | 2015 |
| Friends 1ST Limited | Other services | 2015 |
| Fyveways Limited | Wholesale & retail | 1989 |
| G-Invest Limited | Professional & scientific | 2026 |
| G-Lime Limited | Other services | 2001 |
| G12 Consulting Ltd | Information & communication | 1997 |
| G17 Limited | Agriculture & fishing | 2017 |
| Gaia (Leamington Spa) Limited | Wholesale & retail | 1997 |
| GEC Alsthom Energy Systems Limited | Manufacturing | 1968 |
| Gentex Mirrors Limited | Wholesale & retail | 1999 |
| Geoffrey Prince Associates Limited | Administrative & support | 2001 |
| George Sykes Limited | Manufacturing | 1915 |
| Georgetown Restaurants Limited | Hospitality | 2002 |
| Ghost by Lady a Ltd | Professional & scientific | 2025 |
| Gindza Ltd | Information & communication | 2007 |
| GK Consulting Limited | Information & communication | 1999 |
| GL Machine Tool Services Limited | Manufacturing | 2007 |
| Global Property Solutions UK Limited | Extraterritorial | 2008 |
| Global Sustainability Matters Limited | Professional & scientific | 2008 |
| Globe Travel Services Limited | Administrative & support | 1984 |
| Globecomm Marine UK Limited | Professional & scientific | 1998 |
| Goldcrest Cleaning Limited | Administrative & support | 2001 |
| Goldenhello Ltd | Professional & scientific | 1990 |
| Good Health International Public Limited Company | | 1986 |
| Goodman Leisure Limited | Manufacturing | 1994 |
| Gordons Pleasure Cruisers Limited | Professional & scientific | 1975 |
| Gould Engineering Services Limited | Professional & scientific | 2007 |
| Gourmet 168 Limited | Hospitality | 2021 |
| Gowerquay Limited | Professional & scientific | 2000 |
| GPM Plumbing Limited | Construction | 2006 |
| Grafton Court Management Company Limited(The) | Households | 1982 |
| Graham Martyn Builders Limited | Construction | 1987 |
| Grange Farm (Honeybourne) Limited | Real estate | 1963 |
| Great William Street Management Ltd | Households | 2006 |
| Green Lane Leisure Limited | Arts & recreation | 2003 |
| Greendale Residents Association Limited | Real estate | 1968 |
| Greenwatt Limited | Professional & scientific | 2006 |
| Greenwatt Technology Limited | Professional & scientific | 2006 |
| Greenway Design Limited | Professional & scientific | 1994 |
| Greys Opticians (Cotswolds) Limited | Health & social care | 2002 |
| Grime Reaper Products Limited | Manufacturing | 1998 |
| Grip Dynamics Ltd | Information & communication | 2015 |
| Groovy Guava LLP | | 2024 |
| Grosvenor Lets Limited | Real estate | 2020 |
| Gtec Engineering Limited | Manufacturing | 1999 |
| Gtechsurveys Limited | Professional & scientific | 2006 |
| Gwladtobewelsh Limited | Wholesale & retail | 2003 |
| H. & R. Heating & Plumbing Limited | | 1985 |
| H.S. & M.K. Paul (Lace Trimmings) Limited | Wholesale & retail | 1988 |
| Halcyon Singles Holidays Limited | | 1987 |
| Halefret Limited | Professional & scientific | 1981 |
| Hampton Group Limited | Real estate | 2014 |
| Hardwick Barns Management Limited | Households | 2007 |
| Harold Johnson & SON (Nuneaton) Limited | Wholesale & retail | 1979 |
| Harrison OT Services Limited | Professional & scientific | 2022 |
| Hart Contracting Services Limited | Administrative & support | 2008 |
| Harvester Properties Limited | Construction | 1987 |
| Hathaway Opportunity Fund General Partner Limited | Construction | 2007 |
| Hawkesford (Warwickshire) Limited | Real estate | 2006 |
| Hayward Smart Architects Limited | Professional & scientific | 2006 |
| Hazardous Goods Advisers Limited | Transport & logistics | 1999 |
| Hb&O Financial Services Ltd | Professional & scientific | 2005 |
| Headmasters.Net Limited | Other services | 2000 |
| Healthworks Fitness Studio Limited | Arts & recreation | 1996 |
| Heart of England Farms Ltd | Agriculture & fishing | 2007 |
| Heatweld and Company Limited | | 1954 |
| Helen Kubiak Healthcare Solutions Limited | Health & social care | 2023 |
| Henley Business Intelligence Limited | Professional & scientific | 2020 |
| Henley Ice Cream Limited | Wholesale & retail | 2003 |
| Henley Insights Group Holdings Limited | Financial services | 2023 |
| Henley Insights Group Limited | Administrative & support | 2007 |
| Henley Reward Consulting Limited | Professional & scientific | 2021 |