| Focus Management for Business Ltd. | Newark | 1999 |
| Focus Marine Ltd. | London | 2019 |
| Focus Marine Training Ltd. | London | 2022 |
| Focus MED Apps Ltd | London | 2026 |
| Focus Mode Futures CIC | Brentford | 2026 |
| Focus Music Agency Ltd | Hornchurch | 2023 |
| Focus O&G Ltd | London | 2018 |
| Focus on Animal Law Ltd | Christchurch | 2017 |
| Focus on Labour Exploitation | London | 2013 |
| Focus on Youth CIC | London | 2024 |
| Focus Project Management (Europe) Limited | London | 2006 |
| Focus Skills Limited | Bromley | 2005 |
| Focus Taekwondo Club Ltd | Halifax | 2024 |
| Focus Training (SW) Limited | Exeter | 2009 |
| Focus Training (UK) Ltd | Broadstone | 2006 |
| Focus Training (Yorkshire) Limited | Cleckheaton | 2009 |
| Focus Training Centre Ltd | Croydon | 2013 |
| Focus Tuition Belfast Ltd | Belfast | 2017 |
| Focus Tuition Ltd | London | 2012 |
| Focus Tutoring Limited | Cambridge | 2025 |
| Focus Video Ltd | Sutton | 2025 |
| Focus With Faigy Limited | Manchester | 2015 |
| Focus Young People Limited | Sleaford | 2024 |
| FOCUS4 Training Ltd | Loughborough | 2007 |
| Focuschange Limited | Retford | 2005 |
| Focused Future Ltd | London | 2023 |
| Focused Mentoring Ltd | Orpington | 2021 |
| Focused Minds C T Limited | Port Talbot | 2017 |
| Focused Neurodiversity Limited | Sutton Coldfield | 2016 |
| Focused Tutoring Ltd | Birmingham | 2022 |
| Focuseducation (Lambeth) Limited | Manchester | 2001 |
| Focuseducation (Lincolnshire) Holdings Limited | Manchester | 2001 |
| Focuseducation (Lincolnshire) Limited | Manchester | 2001 |
| Focuseducation (Newcastle) Holdings Limited | Manchester | 2002 |
| Focuseducation (Newcastle) Limited | Manchester | 2002 |
| Focusforward Ltd | Altrincham | 2025 |
| Focusing First on People Limited | Manchester | 2006 |
| Focuss Ltd | Birmingham | 2015 |
| Focussed Limited | Barry | 1997 |
| Fodadem UK Ltd | Walsall | 2025 |
| Fogg & Associates Limited | Marlow | 2012 |
| Foggy Outline Limited | Skipton | 2021 |
| Fola's Driving School Ltd | London | 2019 |
| Folio English Language Services Ltd | Mildenhall | 2023 |
| Folio Services Ltd | Sutton | 2018 |
| Folk School Ltd | Aberfeldy | 2024 |
| Folkactive CIC | Southampton | 2013 |
| Folkdeep CIC | Belfast | 2025 |
| Folkestone Beacon+ Limited | Folkestone | 2019 |
| Folkestone Ethos School Improvement Limited | Folkestone | 2012 |
| Folkestone First Timers CIC | Folkestone | 2023 |
| Folkestone Fringe:Borderland Projects CIC | Folkestone | 2026 |
| Folkestone ST Mary's Church of England Primary Academy | Folkestone | 2013 |
| Folksey Community Glass Limited | Cromarty | 2023 |
| Folktone Productions CIC | Kendal | 2024 |
| Follies Trust - the | Belfast | 2006 |
| Follow Purple Limited | London | 2019 |
| Follow Sign Driving School Limited | Rainham | 2023 |
| Follow the Rainbow Ltd | London | 2019 |
| Follow the White Rabbit Home Limited | London | 2024 |
| Folly Brook Private Day Nursery Limited | Manchester | 2013 |
| Folly Farm Day Nursery Limited | Weston-Super-Mare | 2019 |
| Folly's END | Caterham | 2002 |
| Fols Kids SEN Club CIC | London | 2025 |
| Folu - Fondation Lutete | London | 2022 |
| Fomwauk Ltd | Harlow | 2015 |
| Fond Memories Childcare Ltd | St. Columb | 2011 |
| Fondation Arlon | London | 2013 |
| Fondation Jocelyne Ngassa | London | 2017 |
| Fondazione Penta UK | London | 2019 |
| Fondazioni Ltd | Rotherham | 2026 |
| Fonpeng Limited | Reading | 2015 |
| Fonsekaplus Ltd | Croydon | 2016 |
| Font Enterprises Ltd. | London | 2017 |
| Fontana Dyslexia Solutions Ltd | Kidderminster | 2024 |
| Fontana Soccer Coaching Ltd | Kingston Upon Thames | 2017 |
| Fontex Ltd | London | 2025 |
| Fonteyn-Leung Educational Trust Ltd | London | 2019 |
| Fontstane Emergency Response Training Limited | Monifieth | 2009 |
| Food Allergy Immunotherapy Education Ltd | London | 2022 |
| Food and Community Trust | Sheffield | 2022 |
| Food and Hygiene Ltd | Atherstone | 2013 |
| Food at 52 Limited | Walthamstow | 2011 |
| Food for Life Vrindavan UK Ltd | Southampton | 2006 |
| Food for Thought Training Limited | New Malden | 2015 |
| Food Glorious Food Community Interest Company | Southall | 2025 |
| Food Hygiene Centre Limited | London | 2002 |
| Food Hygiene Consultants Ltd | Derby | 2010 |
| Food in Focus Limited | Cardiff | 2000 |
| Food IS FUN C.I.C. | Teignmouth | 2010 |
| Food IS FUN SW CIC | Plymouth | 2024 |
| Food Legal Limited | Rushden | 2011 |
| Food Mentor Limited | London | 2025 |
| Food Possibilities CIC | Bangor | 2024 |
| Food Safety & Hygiene Ltd | Dagenham | 2023 |
| Food Safety(Training & Compliance) Ltd | London | 2012 |
| Food&Form Ltd | Brighton | 2026 |
| Food, Farming and Sustainability Education Alliance Limited | Norwich | 2025 |
| Food@One Ltd | Faversham | 2011 |
| Food@Work Limited | London | 2002 |