| Fast Travels Ltd | Construction | 2015 |
| Fastdeck Foundations Ltd | Construction | 2015 |
| Faulkner Surveyors Ltd | Professional & scientific | 2025 |
| FAZE77 Ltd | Professional & scientific | 2025 |
| FDP Property Management Limited | Real estate | 2017 |
| Fdpsoftware.Com Limited | Information & communication | 2014 |
| Feature HUT Limited | Information & communication | 2002 |
| Felix Property Investments Ltd | Real estate | 2019 |
| Felix Property Solutions Limited | Real estate | 2017 |
| Fernhill Limited | Real estate | 2015 |
| Fiber Technologies Ltd | Extraterritorial | 2019 |
| Fibre Distribution Ltd | Information & communication | 2022 |
| Fibre Technologies Distribution Limited | Information & communication | 2008 |
| Fibre Technologies Holdings Limited | Professional & scientific | 2005 |
| Fibre Technologies Limited | Information & communication | 1991 |
| Fibrecomms Data Limited | Information & communication | 2009 |
| Finance Solutions Consulting Ltd | Professional & scientific | 2025 |
| Finance Training and Consulting Limited | Professional & scientific | 2012 |
| Financeheads Ltd | Administrative & support | 2009 |
| Financial Planning Partners Limited | Financial services | 2002 |
| Finarama Marketing Ltd | Professional & scientific | 2020 |
| Fiona Povey Limited | Other services | 2025 |
| Fire HORSE26 Ltd | Professional & scientific | 2026 |
| First FIX Resolve Ltd | Construction | 2024 |
| Fitzgerald Homes and Developers Ltd | Construction | 2025 |
| FIX and Finish Limited | Wholesale & retail | 2024 |
| Fleet Services Autocare Limited | Wholesale & retail | 2019 |
| Fleet Way Residents Association Limited | Households | 1975 |
| FLI Transport Ltd | Transport & logistics | 2025 |
| Flightdatapeople.Com Ltd | Professional & scientific | 2009 |
| Floorfindr Ltd | Information & communication | 2016 |
| Flying Lemur Ltd. | Professional & scientific | 2017 |
| Flying Space Limited | Professional & scientific | 2006 |
| Focused Customer Relationships Solutions Limited | Professional & scientific | 2001 |
| Fomo Mortgages Limited | Extraterritorial | 2021 |
| FOR Outdoors Limited | Administrative & support | 2006 |
| Forbury Square Limited | Professional & scientific | 2020 |
| Forcevital Limited | Information & communication | 1990 |
| Foresight Market Trading Limited | Professional & scientific | 2014 |
| Forest Builders Berkshire Ltd | Construction | 2018 |
| Forest Builders Limited | Construction | 2024 |
| Forest Lodge (Wokingham) Management Co. Limited | Households | 2002 |
| Forrest Roofing & Carpentry Ltd | Construction | 2026 |
| Four Pillars Consultancy Ltd | Professional & scientific | 2023 |
| Fourfold Services Ltd | Professional & scientific | 2020 |
| Foxfit Conditioning Ltd | Arts & recreation | 2025 |
| Foxheath Management Company Limited | Households | 1988 |
| Francescon Associates Limited | Professional & scientific | 2017 |
| Frank Schippers Limited | Real estate | 2005 |
| Frankson Roofing Limited | Construction | 2015 |
| Fraud Intelligence Limited | Information & communication | 2019 |
| Friam Limited | Professional & scientific | 2022 |
| Friendly IT Limited | Information & communication | 2012 |
| FSU Connections Limited | Wholesale & retail | 1999 |
| FTL Secure Solutions Ltd | Administrative & support | 2018 |
| G Whizz Rigging Limited | Other services | 2012 |
| Gale House (Maidenhead) Property Management Company Limited | Professional & scientific | 2011 |
| Gbbb (IP) Ltd | Extraterritorial | 2018 |
| GBO Consulting Limited | Information & communication | 2010 |
| GD Psychology Limited | Health & social care | 2020 |
| GDV Designs Ltd | Construction | 2013 |
| Gemini Fire & Electrical Solutions Ltd | Professional & scientific | 2009 |
| Geminus Limited | Real estate | 2003 |
| Generations Construction Limited | Construction | 2008 |
| Genesis Quant Capital Ltd | Financial services | 2025 |
| Geoid Consulting Ltd | Professional & scientific | 2024 |
| GET Mentally Healthy Ltd | Health & social care | 2019 |
| Gforce Tennis Ltd | Arts & recreation | 2023 |
| Gigs 4 U Properties Limited | Real estate | 2024 |
| Gigs 4 YOU Ltd | Construction | 2007 |
| Gilberto Ramerini Ltd | Professional & scientific | 2025 |
| Giles Walker Contracts Limited | Professional & scientific | 2018 |
| Global Commercials Exports Limited | Wholesale & retail | 1991 |
| Global Educational Guardians Limited | Education | 2012 |
| Global Inspired Services Limited | Wholesale & retail | 2021 |
| Global Integration Limited | Professional & scientific | 1994 |
| Global Market Access Services Limited | Other services | 2020 |
| Global Media Properties Ltd | Professional & scientific | 2019 |
| Globus Projects Limited | Extraterritorial | 1988 |
| Gloomflex Ltd | Arts & recreation | 2023 |
| Glow in Colour Ltd | Manufacturing | 2021 |
| Glynwood House (Residential) Limited | Real estate | 2002 |
| Glynwood House Limited | Real estate | 2002 |
| Godalming 123 LLP | | 2012 |
| Goddard Surveying Services Ltd | Professional & scientific | 2023 |
| Gold Square IT Ltd | Information & communication | 2018 |
| Golden Belly Designs Ltd | Professional & scientific | 2022 |
| Goldwealth Limited | Other services | 2017 |
| Goron Digital Print Ltd | Manufacturing | 2021 |
| Gothic Court (Sandhurst) Management Limited | Households | 1978 |
| Grantmell Limited | Financial services | 2006 |
| Gray Media Limited | Professional & scientific | 2018 |
| Great British Beauty Brands Ltd | Manufacturing | 2017 |
| Great British Model Railways Ltd | Wholesale & retail | 2022 |
| Green Control Systems Limited | Other services | 1994 |
| Green Grass Software Limited | Information & communication | 2007 |
| Greenwood Motortech Ltd | Wholesale & retail | 2019 |
| Greenwood Spice Limited | Hospitality | 2025 |
| Grey Moose Limited | Hospitality | 2019 |
| GT Event Services Limited | Administrative & support | 2021 |