| Family Matters Guildford Ltd | Public administration | 2025 |
| FAN Insights Limited | Professional & scientific | 2019 |
| Fantastic TLC Ltd | Health & social care | 2018 |
| Faraday Bidco Limited | Financial services | 2024 |
| Fareham Land | | 2009 |
| Farhgold Limited | Real estate | 1996 |
| Farminer Developments (Farminers Yard) Limited | Construction | 2017 |
| Farminer Developments (Plant Hire) Ltd | Administrative & support | 2017 |
| Farndon Close Residents Association Limited | Households | 2024 |
| Farnham Heights Ltd | Households | 2002 |
| Farnham Park Estates Ltd | Construction | 1996 |
| Farnhurst Enterprises Limited | Professional & scientific | 2014 |
| Farnworth Healthcare Consultants Ltd | Professional & scientific | 2008 |
| Farolco Ltd | Information & communication | 2014 |
| Farpop Holding Limited | Real estate | 2023 |
| Farpop Limited | Hospitality | 2023 |
| Fashion Feats Ltd | Wholesale & retail | 2026 |
| Fast Generations Limited | Professional & scientific | 2012 |
| Fast Motor Services Ltd | Wholesale & retail | 2023 |
| Fast Track Engineering Projects Limited | Professional & scientific | 1997 |
| Fastrack Care 25 Limited | Health & social care | 2022 |
| Fastsigns (Guildford) Limited | Manufacturing | 2003 |
| Father Agile Ltd | Information & communication | 2019 |
| Favax Limited | Real estate | 2024 |
| Fawnhope Rest Home Limited | Real estate | 2003 |
| FAY Investment and Asset Management Ltd | Administrative & support | 2015 |
| Faze Electrical Ltd | Construction | 2023 |
| FC Productions Ltd. | Other services | 2018 |
| FCF Asset Holdings Ltd | Financial services | 2025 |
| FCF Contract Flooring Ltd | Construction | 2025 |
| FD Construct Ltd | Construction | 2020 |
| FD Contracts Management Ltd | Construction | 2022 |
| FD Quantity Surveying Ltd | Construction | 2024 |
| FDJ Consulting Ltd | Professional & scientific | 2015 |
| FDS Concept Ltd | Health & social care | 2013 |
| Fellow Studio Ltd | Professional & scientific | 2012 |
| Felside Property Group Limited | Real estate | 2025 |
| Female Leaders Limited | Professional & scientific | 2014 |
| Fengari Limited | Real estate | 1998 |
| Fenshaw Developments Limited | Construction | 2026 |
| Fenshaw Homes Ltd | Construction | 2006 |
| Fernden Capital | Financial services | 2026 |
| Ferntower Properties Limited | Real estate | 2014 |
| Ferox Capital LLP | | 2009 |
| Ferox Capital Management Limited | Financial services | 2000 |
| Ferzoli International Industries Ltd | Manufacturing | 2023 |
| Fetcham Park Limited | Real estate | 2015 |
| Ffenix Limited | Real estate | 2010 |
| Fg-Flourishing Ltd | Health & social care | 2017 |
| FGC Technology Services Limited | Administrative & support | 2014 |
| FGK Representative Service Limited | Administrative & support | 2014 |
| FHJ Productions Limited | Professional & scientific | 2016 |
| Fiat Chrysler Motor Village Ltd | Wholesale & retail | 2007 |
| Fictum Limited | Information & communication | 2010 |
| Fidelis Security Limited | Administrative & support | 2002 |
| Fidra Development Company Unlimited | Other services | 2022 |
| Fieldguard Limited | Wholesale & retail | 1986 |
| Fieldwork Architects Ltd | Professional & scientific | 2018 |
| Fifty Five Freehold Limited | Households | 2025 |
| Figment Developments Ltd | Construction | 2026 |
| Fika Limited | Professional & scientific | 2008 |
| File Lady Limited | Information & communication | 2017 |
| Film Consumables Limited | Administrative & support | 2023 |
| Fimava Ltd | Real estate | 2021 |
| Fime Services UK Limited | Administrative & support | 2024 |
| Fina Cyberis Limited | Professional & scientific | 2018 |
| Final Judgment Ltd | Wholesale & retail | 2026 |
| Finance and Data Innovation Labs Ltd | Professional & scientific | 2023 |
| Finativ Limited | Professional & scientific | 2022 |
| Finch Protection Ltd | Administrative & support | 2026 |
| Find a Hidden GEM Ltd | Professional & scientific | 2014 |
| Findeis Ltd | Financial services | 2015 |
| Finding Nima Limited | Information & communication | 2018 |
| Findor Limited | Arts & recreation | 2006 |
| Fine Finish Joinery Limited | Manufacturing | 2015 |
| Finea Consulting Limited | Professional & scientific | 2015 |
| Fineshine Cleaners Ltd | Administrative & support | 2025 |
| Finest Quality Video Games Limited | Information & communication | 2025 |
| Finger Point Limited | Real estate | 2016 |
| Finlec Electrical Contractors Limited | Construction | 2020 |
| Finsgate LLP | | 2010 |
| Fiona House Ltd | Real estate | 2020 |
| Fireblade Software Ltd | Information & communication | 2016 |
| Fireproof Studios Ltd | Information & communication | 2008 |
| First Aerospace Limited | Education | 2004 |
| First Aesthetics Group Ltd | Health & social care | 2022 |
| First Aesthetics TA Ltd | Education | 2024 |
| First Central Management Company Limited | Professional & scientific | 2000 |
| First Chapter Homes Ltd | Construction | 2025 |
| First Class Flooring Surrey Ltd | Other services | 2012 |
| First Commercial Ventures Limited | Real estate | 1997 |
| First Facilities Group Limited | Construction | 2018 |
| First in Security Services Ltd | Administrative & support | 2024 |
| First International Limited | Hospitality | 1993 |
| First Leisure Group 2 Limited | Hospitality | 2025 |
| First Leisure Group Limited | Hospitality | 2025 |
| First Revenue Limited | Professional & scientific | 2025 |
| First Serve Consultancy Limited | Professional & scientific | 2025 |
| First Step Construction Limited | Construction | 2025 |
| First Stride Events Limited | Arts & recreation | 2017 |