| Frazee & Sons Ltd | Construction | 2021 |
| Frazer Devices Limited | Professional & scientific | 2023 |
| Frazer Nash Consulting Limited | Professional & scientific | 2007 |
| FRD Distribution Limited | Transport & logistics | 2026 |
| FRE Longford Limited | Real estate | 2023 |
| Frearson Management Ltd | Households | 2021 |
| Freckleton Brown Limited | Real estate | 2003 |
| Fred Brown Car Repairs Limited | Wholesale & retail | 2008 |
| Fred Hallam Limited | Wholesale & retail | 1954 |
| Fred's Help Ltd | Information & communication | 2024 |
| Freda DOT Ltd | Wholesale & retail | 2024 |
| Fredas Care Ltd | Health & social care | 2020 |
| Freddie Vokes School of Performing Arts Ltd | Arts & recreation | 2025 |
| Freddiesconstructionsolutions Ltd | Professional & scientific | 2020 |
| Freddin Ltd | Wholesale & retail | 2019 |
| Fredheather Ltd | Information & communication | 2026 |
| Fredk.Lamb Limited | Construction | 1935 |
| Free Damp Surveys Ltd | Construction | 2021 |
| Free Horse Ltd | Transport & logistics | 2019 |
| Free Parking Unlimited | Other services | 2024 |
| Free Roaming Homes Limited | Wholesale & retail | 2025 |
| Free-Flow Electrical Ltd | Construction | 2019 |
| Freebound Group Ltd | Wholesale & retail | 2022 |
| Freedee Solutions Limited | Professional & scientific | 2006 |
| Freedivers Co. Ltd | Wholesale & retail | 2020 |
| Freedom Foundation CIC | Education | 2018 |
| Freedom Planning and Design Ltd | Professional & scientific | 2024 |
| Freedom Psychology Limited | Health & social care | 2014 |
| Freeland (Nottingham) Ltd | Households | 2020 |
| Freeman & Mitchell Limited | Real estate | 2005 |
| Freeman (PTO) Consultancy Limited | Health & social care | 2014 |
| Freeman Plants Limited | Wholesale & retail | 1991 |
| Freeman Risk Solutions Ltd | Financial services | 2018 |
| Freemens Common Village LLP | | 2018 |
| Freempact Limited | Financial services | 2012 |
| Freenet Limited | Information & communication | 1999 |
| Freenome Limited | Manufacturing | 2002 |
| Freeron Living Limited | Real estate | 2026 |
| Freesiaoutlet Ltd | Wholesale & retail | 2022 |
| Freestones Removals & Storage Limited | Transport & logistics | 2003 |
| Freestyle Developments Ltd | Real estate | 2016 |
| Freestyle Joinery Limited | Administrative & support | 2017 |
| Freestyle Trampoline Parks Limited | Arts & recreation | 2016 |
| Freeths Trustees Limited | Other services | 2016 |
| Freeway Coaches Limited | Transport & logistics | 1999 |
| Frego Transport and Logistics Ltd | Transport & logistics | 2024 |
| Fremax Limited | Health & social care | 2019 |
| French & Harry Homes Ltd | Real estate | 2021 |
| French Home Interiors Ltd | Wholesale & retail | 2022 |
| Frenchie Master International Limited | Agriculture & fishing | 2026 |
| Frenger Systems Limited | Construction | 1995 |
| Frenger Systems UK Limited | Professional & scientific | 2000 |
| Frenszy Ltd | Information & communication | 2023 |
| Frequency Exchange Ltd | Administrative & support | 2020 |
| Fresco Feature Limited | Wholesale & retail | 2025 |
| Fresh Asian Foodmart Limited | Wholesale & retail | 2020 |
| Fresh Avenue Limited | Real estate | 2003 |
| Fresh Bite Foods Limited | Hospitality | 2026 |
| Fresh Catch Ltd | Wholesale & retail | 2025 |
| Fresh Coaching Ltd | Health & social care | 2025 |
| Fresh Express Limited | Wholesale & retail | 2020 |
| Fresh Food (Notts) Limited | Wholesale & retail | 2017 |
| Fresh Hope Community Group CIC | Other services | 2026 |
| Fresh Housing Solutions Ltd | Real estate | 2025 |
| Fresh Mediterranean Foods Limited | Manufacturing | 2014 |
| Fresh Mindset (UK) Ltd | Professional & scientific | 2009 |
| Fresh Opportunities Limited | Hospitality | 2003 |
| Fresh Room Interiors Ltd | Construction | 2021 |
| Fresh SEC Limited | Information & communication | 2018 |
| Fresh Squeeze Co. Limited | Manufacturing | 2026 |
| Fresh Steps Housing CIC | Administrative & support | 2016 |
| Fresh Things Limited | Manufacturing | 2000 |
| Fresh Touch Cleaning Ltd | Administrative & support | 2025 |
| Fresh World Ltd | Wholesale & retail | 2012 |
| Fresh-Pak Chilled Foods Limited | Manufacturing | 1982 |
| Freshdate Ltd | Information & communication | 2026 |
| Fresher & Prosper Ltd | Professional & scientific | 2013 |
| Fresher Finish Ltd | Administrative & support | 2024 |
| Freshfix Improvements Ltd | Construction | 2025 |
| Freshglo Cleaners Ltd | Administrative & support | 2023 |
| Freshplace Property Ltd | Real estate | 2024 |
| Freshpol Ltd | Wholesale & retail | 2013 |
| Freshskin Beauty Ltd | Wholesale & retail | 2010 |
| Freshsyntax Limited | Information & communication | 2018 |
| Fretho Limited | Manufacturing | 2014 |
| Frexpress Limited | Hospitality | 2021 |
| FRG Property Network Limited | Real estate | 2025 |
| FRH Surveying Limited | Professional & scientific | 2024 |
| Friar 132 Limited | Financial services | 2011 |
| Friar 133 Limited | Financial services | 2011 |
| Friar 137 Limited | Financial services | 2012 |
| Friar 138 Limited | Financial services | 2012 |
| Friar 148 Limited | Financial services | 2014 |
| Friar Tucks Tucker Limited | Hospitality | 2025 |
| Friars Commercial Services Ltd | Construction | 2021 |
| Friary Drop-In Ltd | Health & social care | 1996 |
| Friary Street Restaurants Ltd | Hospitality | 2017 |
| Friendly Employers Limited | Education | 2025 |
| Friends of Belper Parks Limited | Agriculture & fishing | 2013 |
| Friendship IT Services Limited | Information & communication | 2024 |