| Fibre Lines Civils Ltd | Construction | 2016 |
| Field 288 Limited | Professional & scientific | 2018 |
| Field Property Services Limited | Real estate | 2017 |
| Field Recruitment Limited | Administrative & support | 2005 |
| Field Studies Council | Education | 1946 |
| Fieldcrest Associates LLP | | 2012 |
| Fielder (UK) Limited | Agriculture & fishing | 2004 |
| Fieldsend Building Services Ltd | Construction | 2025 |
| Figtree Industries Limited | Hospitality | 2007 |
| Financial United Ltd | Professional & scientific | 2018 |
| Finedon Road Management Company Limited | Administrative & support | 2018 |
| Finnella Asset Management Limited | Wholesale & retail | 2021 |
| Finoli Aviation Services Ltd | Professional & scientific | 2022 |
| Finserv Ltd | Professional & scientific | 2017 |
| Fiona ZOE PT Ltd | Arts & recreation | 2022 |
| FIP Construction Ltd | Construction | 2022 |
| Fire Management (UK) Limited | Construction | 2015 |
| Fireplace Ceramics Limited | Manufacturing | 2023 |
| Firestop Surveys Limited | Professional & scientific | 2015 |
| Firmament Consulting Limited | Health & social care | 2008 |
| First 4 Equine Services Ltd | Transport & logistics | 2024 |
| First Grimsbury Green Amenity Company Limited | Households | 1993 |
| First Light Shrewsbury Limited | Wholesale & retail | 2024 |
| First Person Scripts Limited | Information & communication | 2020 |
| First Step Homes Midlands Limited Liability Partnership | | 2006 |
| Fisheye Marketing Ltd | Professional & scientific | 2011 |
| Fisheye Media Ltd | Information & communication | 2009 |
| Fit Consulting Limited | Professional & scientific | 2017 |
| Fitbody Shrewsbury Limited | Arts & recreation | 2020 |
| Fitzrovia Asset Holdings Limited | Financial services | 2019 |
| Flagshaw Pastures (Kirk Langley) Residents Management Company Limited | Households | 2019 |
| Flare Athletics UK Ltd | Other services | 2021 |
| Flavourz Merchant Ltd | Hospitality | 2026 |
| Fleet Network Ltd | Administrative & support | 1999 |
| Fleet Publishing Limited | Information & communication | 2011 |
| Fleetgo UK Ltd | Transport & logistics | 2019 |
| Fletcher Homes (Shropshire) Limited | Construction | 1962 |
| Flex Managed Services Limited | Information & communication | 2013 |
| Flexi FD Limited | Professional & scientific | 2012 |
| Flicbuy International Limited | Wholesale & retail | 2025 |
| Flightpath Solutions Ltd | Other services | 2024 |
| Flirtina Bars Limited | Hospitality | 2021 |
| Flood Ltd | Education | 2023 |
| Floreat Park Management Company Limited | Households | 2016 |
| Floreat Salopia Stays Ltd | Real estate | 2025 |
| Floreat Shrewsbury Limited | Hospitality | 2024 |
| Florence Fields Management Company Limited | Households | 2024 |
| Florian Fire & Safety Limited | Public administration | 2003 |
| Flow Freedom to Learn OUR Way CIC | Health & social care | 2026 |
| Fluid Network Group Ltd | Information & communication | 2016 |
| Fluid Network Solutions Limited | Information & communication | 2003 |
| Flute Food Equipment Limited | Wholesale & retail | 2000 |
| Flying Dutchman Motorsport Ltd | Wholesale & retail | 2012 |
| Flyingraphics Limited | Wholesale & retail | 2014 |
| Flymate Travels Ltd | Administrative & support | 2022 |
| FML Holdings Limited | Construction | 2015 |
| FMN Media Ltd | Arts & recreation | 2017 |
| Fnt.Invest Limited | Real estate | 2018 |
| Focus Environmental Limited | Construction | 2001 |
| Focus Plant Hire Ltd | Administrative & support | 2010 |
| Foldgate Lane Management Company Limited | Households | 2018 |
| Foliage FD LLP | | 2025 |
| Foliage Fidi Limited | Financial services | 2025 |
| Folly Workshops Ltd | Real estate | 2021 |
| FOR Impact Limited | Other services | 2007 |
| Foray Global Marketing Limited | Professional & scientific | 2015 |
| Ford Fish Bar Ltd | Hospitality | 2019 |
| Ford Fish Bar Shrewsbury Limited | Hospitality | 2021 |
| Ford Food Company Limited | Hospitality | 2025 |
| Ford IT Services Limited | Information & communication | 2009 |
| Forecast Marquees (U.K.) Limited | Hospitality | 2010 |
| Foregate Inns Limited | Hospitality | 2023 |
| Foresite FSI Ltd | Professional & scientific | 2026 |
| Forestart Limited | Agriculture & fishing | 1998 |
| Forestry Transport Maintenance Limited | Wholesale & retail | 2003 |
| Forever 11 Enterprise Limited | Real estate | 2020 |
| Forever 11 Trading Limited | Real estate | 2021 |
| Forge Farm Poultry Limited | Agriculture & fishing | 2010 |
| Forge Motor Works Ltd | Wholesale & retail | 2026 |
| Forged Ice Limited | Wholesale & retail | 2023 |
| Forget ME NOT (Shropshire) Ltd | Wholesale & retail | 2014 |
| Forj Co-Working Ltd | Administrative & support | 2025 |
| Forj Digital Ltd | Professional & scientific | 2020 |
| Forj Group Ltd | Real estate | 2025 |
| Form Start Ltd | Information & communication | 2024 |
| Form:Form Architects Limited | Professional & scientific | 2014 |
| Formula Networks Limited | Information & communication | 2023 |
| Forrest Research Limited | Administrative & support | 2007 |
| Forsite UK Limited | Information & communication | 2018 |
| Fortek UK Limited | Manufacturing | 2003 |
| Fortis HV Limited | Professional & scientific | 2026 |
| Fortitude Care Limited | Manufacturing | 2015 |
| Forton Riding Limited | Arts & recreation | 2008 |
| Forton Trading Limited | Real estate | 2021 |
| Forward Thinking Accountancy Group Limited | Financial services | 2026 |
| Forward Thinking Accountancy Limited | Professional & scientific | 2025 |
| Forward Thinking Bookkeeping Limited | Professional & scientific | 2026 |
| Forward Thinking Payroll Limited | Professional & scientific | 2026 |
| Forward Thinking Tax Limited | Professional & scientific | 2026 |
| Forzuna Ltd. | Manufacturing | 2020 |