| Fkjk Limited | Information & communication | 2024 |
| Fksda Limited | Arts & recreation | 2006 |
| Flag Developments Limited | Construction | 2020 |
| Flagzgolf Ltd | Information & communication | 2025 |
| Flakey Salt Limited | Professional & scientific | 2021 |
| Flamboyant by Montebello LP | | 2017 |
| Flamboyant Cuttlefish Limited | Professional & scientific | 2021 |
| Flame Heated GAS Ltd | Construction | 2025 |
| Flame System LP | | 2016 |
| Flame to Fork Limited | Hospitality | 2026 |
| Flamencoscotland Ltd. | Arts & recreation | 2013 |
| Flamencotapas Ltd | Hospitality | 2019 |
| Flament Universal LP | | 2015 |
| Flamestone Services LP | | 2016 |
| Flaming Blossom Limited | Professional & scientific | 2023 |
| Flamingkhaki Ltd | Transport & logistics | 2019 |
| Flamingosaurus REX Ltd. | Wholesale & retail | 2016 |
| Flamingou Trade LP | | 2016 |
| Flamiwell Systems LP | | 2014 |
| Flammert Inter LP | | 2012 |
| Flanagan Alliance LP | | 2014 |
| Flanagan Harbor SP | | 2004 |
| Flare Edinburgh Ltd | Professional & scientific | 2011 |
| Flarex Impex LP | | 2016 |
| Flash Payment Ltd | Information & communication | 2026 |
| Flash Taekwondo Academy CIC | Arts & recreation | 2026 |
| Flat Flits Property Limited | Real estate | 2017 |
| Flat Roof Co Scotland Limited | Construction | 2022 |
| Flatbread Turkish Bakery House Limited | Hospitality | 2021 |
| Flatcircle Holdings Limited | Financial services | 2020 |
| Flatcircle Limited | Hospitality | 2006 |
| Flats in Leith Ltd | Real estate | 2013 |
| Flattera LP | | 2015 |
| Flavirax LP | | 2016 |
| Flavorfleet Ltd | Extraterritorial | 2026 |
| Flavourly Limited | Wholesale & retail | 2012 |
| Flavourmagic.Com Ltd | Manufacturing | 2016 |
| Flavours Edinburgh Ltd | Hospitality | 2025 |
| Flavours of Italy Ltd. | Administrative & support | 1998 |
| Flavoursum Limited | Arts & recreation | 2022 |
| Flavourtang Ltd | Hospitality | 2025 |
| Flavoury UK Ltd | Wholesale & retail | 2026 |
| Flawless Falkirk Limited | Other services | 2012 |
| Flawless Software Limited | Administrative & support | 2018 |
| Flax Holdings Partners | | 1999 |
| Flayr FX Limited | Information & communication | 2020 |
| FLB Group Limited | Manufacturing | 1909 |
| FLB Holdings Limited | Financial services | 2006 |
| FLB Properties Limited | Real estate | 2006 |
| Flcmc Limited | Professional & scientific | 2019 |
| Fleek Lash Ltd | Other services | 2022 |
| Fleekwood Project LP | | 2012 |
| Fleet Enterprises L.P. | | 2012 |
| Fleet SLP | | 1999 |
| Fleetshore Limited | Professional & scientific | 1998 |
| Fleinfis Trading LP | | 2017 |
| Flemertona LP | | 2016 |
| Fleming Impex LP | | 2015 |
| Fleming Woelfell Imaging Limited | Professional & scientific | 2004 |
| Flemings Legal Services Limited | Professional & scientific | 2020 |
| Flemington Accommodation Limited | Real estate | 2024 |
| Fletcher Engineering & Manufacturing L.P. | | 2014 |
| Fletcher Investment Trading (Scotland) Partnership SP | | 2022 |
| Fletcher Jones Ltd. | Professional & scientific | 1994 |
| Fletcher Joseph (Edinburgh) Limited | Professional & scientific | 1996 |
| Fletcher Joseph Holdings Limited | Professional & scientific | 2025 |
| Fletcher Resources LP | | 2016 |
| Fletcher Software Consultancy Ltd | Information & communication | 2025 |
| Fleur Darkin Presence Projects Ltd | Arts & recreation | 2023 |
| Fleur Studio Ltd | Wholesale & retail | 2026 |
| Flex Electric Transport Ltd | Wholesale & retail | 2020 |
| Flexburg L.P. | | 2012 |
| Flexergy Ltd | Manufacturing | 2021 |
| Flexi Clean Group Ltd | Administrative & support | 2015 |
| Flexible Heat Limited | Professional & scientific | 2023 |
| Flexifib Eco Ltd | Manufacturing | 2025 |
| Flexify Online Ltd | Education | 2023 |
| Flexistore Franchising Limited | Transport & logistics | 2006 |
| Flexistore Investment Ltd | Professional & scientific | 2005 |
| Flexitronic Finance LP | | 2019 |
| Flexlaw Ltd. | Professional & scientific | 2010 |
| Flexport L.P. | | 2021 |
| Flextax Business LP | | 2014 |
| Flexton Industry LP | | 2014 |
| Flickshort Limited | Information & communication | 2025 |
| Flight Bureau Ltd | Administrative & support | 2023 |
| Flight International L.P. | | 2015 |
| Flint Digital Technologies Limited | Information & communication | 2021 |
| Flint Trading LP | | 2013 |
| Flintdale L.P. | | 2008 |
| Flintone Impex LP | | 2012 |
| Flintprom Trade LP | | 2016 |
| Fliori Ltd | Manufacturing | 2020 |
| Flip Technologies LP | | 2015 |
| Flipper Education Ltd | Information & communication | 2026 |
| Flithop Ltd | Transport & logistics | 2024 |
| Flo-Wind Limited | Professional & scientific | 2016 |
| Floating Palace Ltd | Wholesale & retail | 2019 |
| Floatrich Limited | Hospitality | 1996 |
| Flock Design & Advertising Ltd | Professional & scientific | 2009 |