| Fera Swim Ltd | Wholesale & retail | 2025 |
| Ferndale Court (Heston) Management Company Limited | Households | 1997 |
| Fernsham Properties Limited | Administrative & support | 1999 |
| Ferrett Electrical Ltd | Administrative & support | 2017 |
| Ferry Farm Labs Ltd | Information & communication | 2025 |
| Ffolletts Nursery Limited | Agriculture & fishing | 1987 |
| Ffunga Ltd | Manufacturing | 2026 |
| FIG Outside Catering Ltd | Hospitality | 2025 |
| Fika AVE Ltd | Hospitality | 2024 |
| Fika Beach Ltd | Hospitality | 2022 |
| Fika Coffee and Eggs Ltd | Financial services | 2021 |
| Fika Sackville Ltd | Hospitality | 2026 |
| Finan Investments Limited | Extraterritorial | 2006 |
| Financial Systems Limited | Information & communication | 1992 |
| Fincoco Financial Coaching Ltd | Education | 2024 |
| Findaflight Limited | Hospitality | 2003 |
| Finden House Holdings Limited | Financial services | 2004 |
| Finden House Limited | Arts & recreation | 1998 |
| Fine Creations Limited | Wholesale & retail | 1999 |
| Fine Edge Carpentry and Construction Ltd | Construction | 2026 |
| Finesse Wooden Floors Limited | Construction | 2017 |
| Finest Bathrooms Ltd | Construction | 2008 |
| Fini's Cleaners Ltd | Extraterritorial | 2025 |
| Fini's Kitchens Ltd | Professional & scientific | 2025 |
| Finitiq Ltd | Professional & scientific | 2014 |
| Firefly Aviation Ltd | Wholesale & retail | 2020 |
| First Strike Ltd | Administrative & support | 2020 |
| Firth Contractors Limited | Administrative & support | 2022 |
| Fishbourne Apiaries Limited | Agriculture & fishing | 1981 |
| Fishbourne Centre Trading Limited | Hospitality | 2009 |
| Fishbourne Playing Field Ltd | Professional & scientific | 2012 |
| Fishbourne Pre-School Limited | Education | 2003 |
| Fishbourne Residents Association Limited | Households | 2007 |
| Fisher Office Fitting Limited | Construction | 2017 |
| Fishing Industry’S Safety and Health Platform Ltd | Other services | 2022 |
| Fishkiss Limited | Real estate | 2016 |
| Fishwick House Limited | Other services | 2022 |
| Fisterra Co Limited | Administrative & support | 2020 |
| Fitch Engineering Ltd | Professional & scientific | 2022 |
| Fitch Estates Ltd | Real estate | 2017 |
| Fittedlink Ltd | Wholesale & retail | 2021 |
| Fitzsimons Investments Limited | Real estate | 2024 |
| Five Design and Build Ltd | Construction | 2023 |
| Five Harmonies Limited | Information & communication | 2025 |
| Fivemark Holdings Limited | Financial services | 2024 |
| Fixsy Repairs Limited | Other services | 2025 |
| Flansham Farm Ltd | Agriculture & fishing | 2023 |
| Flash Handyman Ltd | Construction | 2023 |
| Flatout Corp Ltd | Construction | 2022 |
| Flawless Finish Limited | Wholesale & retail | 2009 |
| Fletcher Payne Mortgage Services Ltd | Financial services | 2018 |
| Fletchers Lane Management Limited | Administrative & support | 2005 |
| Fleur & Isaac Hospitality Co Ltd | Hospitality | 2025 |
| Flint Developments Ltd | Construction | 2000 |
| Flintstone Restoration Limited | Construction | 2019 |
| Floodstop Limited | Construction | 2012 |
| Floorcraft Polished Concrete Limited | Construction | 2014 |
| Flora Littlejohn Limited | Professional & scientific | 2002 |
| Florence House Management Limited | Extraterritorial | 2013 |
| Florio Installations Ltd | Arts & recreation | 2023 |
| Flourish Leads Ltd | Administrative & support | 2020 |
| Flourish School Limited | Education | 1999 |
| Flower Chichester Limited | Wholesale & retail | 2025 |
| Flowers Glazing Limited | Construction | 2003 |
| Flowtopia Ltd | Professional & scientific | 2025 |
| Fluid Air & Hydraulics Ltd | Manufacturing | 2019 |
| Fluid Composites Ltd | Manufacturing | 2020 |
| Fluke Films Ltd | Information & communication | 2024 |
| FLY Fizzi Limited | Information & communication | 2004 |
| FLY Kurdistan Ltd | Administrative & support | 2025 |
| FLY Taxi Chichester Limited | Transport & logistics | 2019 |
| Flying Colours Marketing Limited | Administrative & support | 2010 |
| Flying Machine Films Limited | Information & communication | 1998 |
| Flylogix Holdings Limited | Transport & logistics | 2023 |
| FMA Developments Ltd | Construction | 2025 |
| FMM24 Ltd | Health & social care | 2024 |
| Fontwell Construction Ltd | Construction | 2024 |
| Fontwell Fitness Ltd | Health & social care | 2018 |
| Food Forward Ltd | Administrative & support | 2015 |
| Foodie Barn Ltd | Hospitality | 2021 |
| Foodnotes Limited | Extraterritorial | 2024 |
| Footnote Press Limited | Information & communication | 2021 |
| Footprint Communications Limited | Professional & scientific | 2005 |
| Forbes Property Search Ltd | Real estate | 2021 |
| Force Electrics Limited | Energy | 2015 |
| Force Five Holdings Limited | Financial services | 2022 |
| Forces Safeguard Trust Limited | Financial services | 1978 |
| Ford Plumbing & Heating Services Ltd | Construction | 2019 |
| Fordco Ltd | Administrative & support | 2025 |
| Fordwater Gardens (Chichester) Management Ltd | Households | 2018 |
| Foreshore Properties Ltd | Real estate | 2022 |
| Forest Fine Foods Ltd. | Wholesale & retail | 1994 |
| Forge Cottage Limited | Construction | 2019 |
| Forged by Blake Ltd | Arts & recreation | 2025 |
| Formroom Design Limited | Professional & scientific | 2016 |
| Formula 1 Cosmetic Developments Ltd | Professional & scientific | 2003 |
| Formula Solutions Limited | Information & communication | 1994 |
| Formulate XP Limited | Professional & scientific | 2025 |
| Forster Racing Limited | Arts & recreation | 2011 |
| Fortaleza Investments Limited | Financial services | 2010 |