| Forth Sector | Health & social care | 1990 |
| Forth Software Ltd | Information & communication | 2015 |
| Forth Store Ltd | Wholesale & retail | 2020 |
| Forth Story Ltd | Information & communication | 2025 |
| Forth Valley College Foundation | Professional & scientific | 2013 |
| Forth Valley Health 4 YOU CIC | Health & social care | 2016 |
| Forth Valley Language Support CIC | Professional & scientific | 2013 |
| Forth Valley Recycling & Packaging Ltd. | Manufacturing | 2002 |
| Forth View Capital Ltd | Real estate | 2024 |
| Forthbridge Commerce Ltd | Wholesale & retail | 2025 |
| Forthbridge Projects Limited | Construction | 2025 |
| Forthcliff L.P. | | 2013 |
| Forthkirk Limited | Extraterritorial | 1999 |
| Forthline Roofing Ltd | Construction | 2026 |
| Forthmark Limited | Administrative & support | 2008 |
| Forthmedia Ltd | Information & communication | 2015 |
| Forthmont Limited | Professional & scientific | 2003 |
| Forthpro Ltd | Transport & logistics | 2018 |
| Forthshore Limited | Professional & scientific | 2026 |
| Forthtay Residential Ltd | Construction | 2017 |
| Forthtox Limited | Administrative & support | 2003 |
| Forthview Ventures Ltd | Wholesale & retail | 2023 |
| Forticard Ltd | Financial services | 2025 |
| Fortify Social Enterprise CIC | Other services | 2015 |
| Fortime Commercial LP | | 2015 |
| Fortin Trade LP | | 2013 |
| Fortis Europe Private Equities L.P. | | 2007 |
| Fortis IBA (Scotland) Limited | Water & waste | 2020 |
| Fortis Physio, Strength & Performance Ltd | Health & social care | 2026 |
| Fortis Renovations Ltd | Construction | 2026 |
| Fortitude Coffee Ltd | Hospitality | 2016 |
| Fortitude Coffee Roasters Ltd | Wholesale & retail | 2016 |
| Fortitude Newington Limited | Hospitality | 2021 |
| Fortitude Stockbridge Limited | Hospitality | 2019 |
| Fortitude Tattoo Ltd | Other services | 2023 |
| Fortix Impex LP | | 2016 |
| Fortkey Limited | Professional & scientific | 1998 |
| Fortnero Business LP | | 2018 |
| Fortnes Management LP | | 2016 |
| Fortnight Estates Limited | Real estate | 2018 |
| Forton Impex LP | | 2016 |
| Forton Overseas LP | | 2014 |
| Forton Systems LP | | 2016 |
| Fortown Experts Holdings L.P. | | 2019 |
| Fortown Experts L.P. | | 2017 |
| Fortown Leader LP | | 2014 |
| Fortress Bay LP | | 2016 |
| Fortress Business LP | | 2016 |
| Fortress Doms LP | | 2018 |
| Fortress Import L.P. | | 2012 |
| Fortress LB Group LP | | 2019 |
| Fortrie Renewables LLP | | 2012 |
| Fortuna Edinburgh Ltd | Hospitality | 2022 |
| Fortuna Portfolio Ltd | Real estate | 2018 |
| Fortuna Properties (Scotland) Limited | Real estate | 1997 |
| Fortuna United LP | | 2014 |
| Fortunate Group LP | | 2016 |
| Fortune Brothers Limited | Wholesale & retail | 2025 |
| Fortune Ferry Limited | Hospitality | 2020 |
| Fortune in Ltd | Hospitality | 2026 |
| Fortune Lifesciences Honding LP | | 2020 |
| Fortune Media Capital LP | | 2015 |
| Fortune Media Servis LP | | 2015 |
| Fortune Motor Company Ltd | Wholesale & retail | 2018 |
| Fortune Palace Edinburgh Ltd | Hospitality | 2019 |
| Fortune Rental Ltd | Households | 2018 |
| Fortune Steel LP | | 2013 |
| Fortunix Networks L.P. | | 2012 |
| Fortus Investment LP | | 2016 |
| Fortwick 1 LP | | 2019 |
| Forum for the Scottish Baronage | Other services | 2021 |
| Foruminvest L.P. | | 2014 |
| Forumstar L.P. | | 2014 |
| Forus Investments Limited | Real estate | 2019 |
| Forward Alliance LP | | 2013 |
| Forward Focus Training Ltd | Education | 2024 |
| Forward Lettings Group Ltd | Real estate | 2025 |
| Forward Markets LP | | 2014 |
| Forward Partners Carried Interest General Partner Limited | Financial services | 2014 |
| Forward Partners Carried Interest L.P. | | 2014 |
| Forward Thinking Centres Limited | Education | 2026 |
| Forward Thinking Science Ltd | Education | 2019 |
| Forward Together Ltd | Professional & scientific | 2014 |
| Forwest Capital L.P. | | 2013 |
| FOS Contracting Ltd | Information & communication | 2025 |
| Foscrot Travel Ltd. | Administrative & support | 2016 |
| Fossil Commodities LP | | 2012 |
| Fossoway LLP | | 2005 |
| Foster Legal Services Ltd | Administrative & support | 2019 |
| Foston Business LP | | 2016 |
| Foston Conception LP | | 2016 |
| Fostrom Ltd | Information & communication | 2026 |
| Fotum Impex LP | | 2015 |
| Foucused Vision Services Ltd | Education | 2026 |
| Fouin & Bell Energy Limited | Professional & scientific | 2009 |
| Foundation Business LP | | 2016 |
| Foundation Investments 2021 LP | | 2024 |
| Foundation Investments 2025 LP | | 2025 |
| Foundation Investments Scotland II LP | | 2018 |
| Foundation Investments Scotland III LP | | 2024 |