| FXT Performance Ltd | Stafford | 2024 |
| FXT Properties Limited | Saffron Walden | 2011 |
| FY Fitness Ltd | Preston | 2013 |
| FY Juniors CIC | Preston | 2025 |
| FY4 Events Ltd | Blackpool | 2023 |
| FYA Ltd | Wirral | 2025 |
| Fyboc Ltd | London | 2025 |
| FYF Ltd | Southwold | 2026 |
| Fyffe Ltd | London | 2025 |
| Fyfield Sports Academy Ltd | Shelley Ongar | 2020 |
| Fyfield Sports Group Ltd | West Drayton | 2026 |
| Fylde Coast Soccer CIC | Thornton-Cleveleys | 2022 |
| Fylde Coast Ymca Trading Limited | Blackpool | 2000 |
| Fylde Golf and Leisure Estates Ltd | Thornton-Cleveleys | 2017 |
| Fylde Hockey Club Limited | Preston | 2013 |
| Fylde Junior Chess Club Ltd | Preston | 2024 |
| Fylde Rugby Union Football Club Holdings Limited | Lytham St Annes | 2001 |
| Fylde Rugby Union Football Club Limited | Ansdell | 1946 |
| Fylde Triathlon Events Ltd | Lytham St. Annes | 2015 |
| Fyldebright Ltd | London | 2026 |
| Fynd Limited | Stocksfield | 2003 |
| Fynn Studio Ltd | London | 2022 |
| Fynora Ltd | Birmingham | 2025 |
| Fyodor Pavlov-Andreevich Studio Ltd | London | 2022 |
| Fyoul.Me Limited | Leeds | 2021 |
| Fyre Comps Ltd | Manningtree | 2026 |
| Fyresky Ltd. | Southend-On-Sea | 2004 |
| Fysik 20 Limited | Harrow | 2024 |
| Fywfsupps Ltd | Preston | 2025 |
| FZ 2024 Ltd | Swansea | 2024 |
| FZN London Limited | London | 2022 |
| Fàsaidh Ltd | Inverness | 2023 |
| Fête DE LA Musique Francophone UK Ltd | Dagenham | 2017 |
| Fìrinne & Co Ltd | Carnoustie | 2025 |
| G & D Sports Ltd | Hoddesdon | 2017 |
| G & E Sports Limited | Leicester | 2006 |
| G & K Management Limited | Newton Abbot | 2011 |
| G & M Bouncing Services Ltd | Bristol | 2023 |
| G & M Games Limited | London | 2008 |
| G & M Sports Ltd | London | 2025 |
| G & R Talent Agency Ltd | London | 2024 |
| G & S Fitness Limited | Wigton | 2011 |
| G & S Racing Ltd | Derby | 2017 |
| G & S Ultimate Fitness Ltd | Portglenone | 2023 |
| G a Pilates & Wellness Ltd | London | 2026 |
| G a Sports Management Limited | Darlington | 2010 |
| G and L Racing Limited | Brighton | 2025 |
| G and M Fitness Limited | Bradford | 2017 |
| G and R Golf Limited | Hailsham | 2010 |
| G B Britton Bowls Club Limited | Bristol | 1994 |
| G B Creative Productions Limited | Rotherham | 2015 |
| G B Distribution Limited | Mitcham | 2001 |
| G B Leisure UK Limited | Tetbury | 2002 |
| G B Racketlon Association C.I.C. | London | 2008 |
| G B S Swim School Limited | Chertsey | 2004 |
| G B Sport & Leisure U K Limited | Weston-Super-Mare | 2011 |
| G Blackmore Ltd | Lymington | 2016 |
| G C Coaching Limited | Sandy | 2026 |
| G C Commercial Diving Ltd | Denby | 2017 |
| G C Valentine Ltd | Thetford | 2003 |
| G Competitions Ltd | Immingham | 2024 |
| G Couttie Ltd | Harrogate | 2025 |
| G Cowley Consultancy Ltd | Brentwood | 2022 |
| G Creative Brand Limited | Hyde | 2023 |
| G Dowsett Ltd | Ruislip | 2016 |
| G E P Records Limited | Swaythling | 1995 |
| G Fit Gym Ltd | Newtownabbey | 2014 |
| G Force Amusements Limited | Bangor | 2011 |
| G Force Karting (Wales) Limited | Gwent | 1999 |
| G Force Leisure Ltd | Petersfield | 2009 |
| G Force Martial Arts Daventry Ltd | Rugby | 2022 |
| G FOX Boxing Ltd | Borehamwood | 2020 |
| G HAY Limited | Brechin | 2022 |
| G Holmes Limited | Nr Kidlington | 2006 |
| G J Brown Ltd | Essex | 2003 |
| G K Digital Ltd | London | 2020 |
| G K R Games Limited | Enfield | 1998 |
| G K Social Ltd | London | 2021 |
| G Kane Ltd | Altrincham | 2016 |
| G L Tennis World Coaching Ltd | Mitcham | 2017 |
| G Louise Limited | Rainhill | 2020 |
| G M Events Ltd | Hove | 2010 |
| G M Rollerskating Limited | Wolverhampton | 2005 |
| G M Services (Leicester) Limited | Leicester | 2007 |
| G M Talents Limited | Dunmow | 2010 |
| G Martin Coaching NI Ltd | Newtownards | 2025 |
| G Mattu Publishing Limited | London | 2025 |
| G Naprous Ltd | Milton Keynes | 2011 |
| G Note Productions Limited | Copthorne | 2015 |
| G of G Ltd | Leeds | 2022 |
| G P Arts Ltd. | Northampton | 2012 |
| G P Realisations Limited | | 1983 |
| G Pegler Fitness Ltd | Swansea | 2025 |
| G R P AXE Racing Ltd | Knighton | 2022 |
| G Reid Studio Ltd | Glasgow | 2018 |
| G Rigging and Lighting Ltd | St. Albans | 2011 |
| G S Gaming Ltd. | Croydon | 2011 |
| G S Golf Ltd | Halesowen | 2026 |
| G Sciama Limited | Harrow | 2016 |
| G Sign Limited | Norwich | 2003 |