| Firmac Engineering Services Limited | Construction | 2005 |
| Firmac Limited | Manufacturing | 1984 |
| Firmacontrols Ltd | Manufacturing | 2025 |
| First Resort Events Limited | Hospitality | 2014 |
| Firth Sheet Metal Limited | Manufacturing | 1993 |
| FIS Rentals Ltd | Real estate | 2022 |
| Fitzpatrick Design Ltd | Professional & scientific | 2015 |
| Fizz Party Bar and Catering Limited | Hospitality | 2024 |
| Fizzy Chilli Ltd | Wholesale & retail | 2025 |
| FJS Developments (Yorkshire) Limited | Construction | 2026 |
| Flatkeys Limited | Manufacturing | 2009 |
| Fletcher Rentals Ltd | Real estate | 2018 |
| Flightcode Ltd | Information & communication | 2021 |
| Flinton LEE Accountants Limited | Professional & scientific | 2025 |
| Flixton Caravan Park Ltd | Real estate | 2021 |
| Flixton Sawmills Limited | Manufacturing | 1993 |
| Floating Developments Limited | Construction | 2013 |
| Flooring Installations Limited | Other services | 2010 |
| Floortech of Scarborough Limited | Real estate | 2003 |
| Florios (Scarborough) Limited | Real estate | 1999 |
| Florios (SD) Ltd | Hospitality | 2016 |
| Flower of MAY Holiday Parks Limited | Hospitality | 1988 |
| Flowery Whiff Limited | Manufacturing | 2018 |
| Focus Hygiene Commercial Services Limited | Wholesale & retail | 2014 |
| Folkton Manor Barn Ltd | Extraterritorial | 2022 |
| Folkton Wold Quarry Limited | Mining & quarrying | 2006 |
| Fomfcc Limited | Hospitality | 2023 |
| Food Hives Ltd | Information & communication | 2024 |
| Food Safety Services Ltd | Professional & scientific | 2014 |
| Foodeng Limited | Administrative & support | 2008 |
| Forever Fives Limited | Extraterritorial | 2018 |
| Forge Valley Roasters Limited | Manufacturing | 2023 |
| Forget ME NOT Investments Unlimited | Other services | 2022 |
| Fortune Phoenix Limited | Hospitality | 2025 |
| Fossil Heating and Plumbing Services Limited | Construction | 2019 |
| Fowler-Paley Limited | Financial services | 1970 |
| Fowler-Smith Limited | Real estate | 2025 |
| Fox&Lawson Ltd | Wholesale & retail | 2022 |
| Foxhound Inn Limited | Hospitality | 2013 |
| FP Holdings 2019 Ltd | Financial services | 2019 |
| Francesca's Street EAT Ltd | Hospitality | 2023 |
| Frank Smith Decorators Ltd | Construction | 2017 |
| Franklin Trading Ltd | Wholesale & retail | 2026 |
| Freight Fellas Ltd | Wholesale & retail | 2024 |
| Fresh Look Accountancy Services Limited | Professional & scientific | 2014 |
| Freyn Developments Ltd | Construction | 2025 |
| Friarage Nursery Ltd | Education | 2026 |
| Frigate Scarborough Ltd | Hospitality | 2022 |
| Front Street (Manco) Limited | Households | 2016 |
| Frontinus Ltd | Information & communication | 2008 |
| Frost Books and Artifacts Limited | Information & communication | 2021 |
| Frotts Pots Limited | Wholesale & retail | 2023 |
| Frro Consulting Limited | Professional & scientific | 2016 |
| FSM Group Ltd | Financial services | 2026 |
| FTS Electrical (Scarborough) Ltd | Construction | 2021 |
| Fuelme Cafe Ltd | Hospitality | 2024 |
| Fulford Road (Scarborough) Management Company Limited | Households | 2005 |
| Fulmart Feeds Limited | Manufacturing | 2021 |
| Fundacity Ltd | Information & communication | 2019 |
| Funky Floss Limited | Wholesale & retail | 2020 |
| Fusion Group Properties Ltd | Real estate | 2022 |
| Fusion Resources Ltd | Administrative & support | 2003 |
| Fuss Free Cleaning Ltd | Administrative & support | 2026 |
| Futureproof Developments Limited | Construction | 2020 |
| Futureworks NY | Education | 2011 |
| Futuristics Fiction Prototyping Limited | Professional & scientific | 2024 |
| FVR Bakery Limited | Manufacturing | 2025 |
| FVR Brew Bars Limited | Hospitality | 2024 |
| Fylingdales Moor ESS Limited | Agriculture & fishing | 2009 |
| G & J Hartas Limited | Hospitality | 2019 |
| G & M Properties (Yorkshire) Ltd | Real estate | 2024 |
| G & R Metcalfe Properties Ltd | Real estate | 2025 |
| G and J Crabtree Limited | Agriculture & fishing | 2001 |
| G B Motorworx Limited | Wholesale & retail | 2015 |
| G C Motors Scarborough Limited | Wholesale & retail | 2021 |
| G Cutz Limited | Other services | 2011 |
| G J Webster Unlimited | Agriculture & fishing | 2020 |
| G M Stephenson Ltd | Administrative & support | 2006 |
| G Vasey Holdings Limited | Financial services | 2024 |
| G Vasey Refurbishments Limited | Construction | 2016 |
| G&J Property (Scarborough) Ltd | Real estate | 2025 |
| G&K Services Limited | Agriculture & fishing | 2016 |
| G-Nergy Flux Limited | Extraterritorial | 2025 |
| G-Nergy Renewables Limited | Construction | 2022 |
| G. and D. Metcalfe Limited | Wholesale & retail | 2002 |
| G. Sanderson Limited | Agriculture & fishing | 2002 |
| G.Rose Plumbing and Heating Limited | Construction | 2019 |
| G.Sulman Limited | Wholesale & retail | 1961 |
| G2 Integrated Security Solutions Limited | Administrative & support | 2001 |
| G25 Developments Co Ltd | Construction | 2017 |
| Gama Design Limited | Professional & scientific | 2017 |
| Game on Rearing Supplies Ltd | Wholesale & retail | 2016 |
| GAP Sweep and Stoves Ltd | Construction | 2018 |
| Garden Views Limited | Real estate | 2004 |
| Gardner Engineering Services Limited | Manufacturing | 2003 |
| Gardtech Ltd | Administrative & support | 2017 |
| Garnett Developments Limited | Construction | 2024 |
| Garnett Electrical (Scarborough) Ltd | Construction | 2016 |
| Garnett Estates Limited | Real estate | 2020 |
| Garry Mcgrath Plumbing and Heating Limited | Construction | 2026 |