| Future Residential Limited | Professional & scientific | 2014 |
| Future Toolbox CIC | Education | 2021 |
| Futurelect Foundation | Education | 2025 |
| Futureprint (Northampton) Limited | Manufacturing | 1970 |
| Futures Sports Limited | Education | 2008 |
| Futuresight Ltd | Information & communication | 2000 |
| Futureskills Midlands Academy UK C.I.C. | Education | 2026 |
| Futuretech Innovation Hub Ltd | Professional & scientific | 2026 |
| Futuristic Homes & Properties Ltd | Construction | 2025 |
| Fuze Agency Ltd | Professional & scientific | 2021 |
| FVB Limited | Hospitality | 2021 |
| Fvinaru Ltd | Construction | 2017 |
| FWD Estates Ltd | Real estate | 2013 |
| FWR Jeyes Ltd | Construction | 2016 |
| FX Security Ltd | Administrative & support | 2023 |
| FXL Limited | Professional & scientific | 2007 |
| FXT Cargo Ltd | Transport & logistics | 2020 |
| Fyde Limited | Administrative & support | 2023 |
| Fyla Ltd | Wholesale & retail | 2025 |
| Fynex Finance Limited | Financial services | 2025 |
| Fynu International Ltd | Transport & logistics | 2020 |
| Fyro Built on Fire Ltd | Hospitality | 2026 |
| G & a Barbering Agency Ltd | Other services | 2025 |
| G & D Freight Ltd | Transport & logistics | 2023 |
| G & G Investments (Europe) Limited | Real estate | 2021 |
| G & G Services Northampton Ltd | Manufacturing | 2014 |
| G & L Drylining Ltd | Construction | 2009 |
| G & M Property Development Ltd. | Real estate | 2005 |
| G & M Roofing Limited | Construction | 2003 |
| G & R Distribution Limited | Transport & logistics | 2001 |
| G & S Mattinson FIC Limited | Real estate | 2026 |
| G a Flack Limited | Administrative & support | 2014 |
| G a M Accounting Services (Northampton) Limited | Professional & scientific | 2012 |
| G a M Accounting Services LLP | | 2012 |
| G and R Waste Ltd | Water & waste | 2025 |
| G Bourne Limited | Administrative & support | 2022 |
| G Boyd Ltd | Real estate | 2017 |
| G C Insurance Services Ltd | Financial services | 2003 |
| G C Stonework Ltd | Construction | 2018 |
| G C Trans Ltd | Transport & logistics | 2023 |
| G Construction Ltd | Construction | 2023 |
| G Flairs Ltd | Hospitality | 2023 |
| G H Baxter Limited | Wholesale & retail | 2003 |
| G J Construction Management Ltd | Construction | 2024 |
| G J York Limited | Construction | 2003 |
| G L Fitzpatrick Property Ltd | Real estate | 2026 |
| G M Consulting (AG) Limited | Professional & scientific | 2007 |
| G M Lawrence Electrical Ltd | Construction | 2005 |
| G M Trans Northampton Ltd | Transport & logistics | 2024 |
| G Moseling Ltd | Professional & scientific | 2026 |
| G P Arts Ltd. | Arts & recreation | 2012 |
| G P Interiors Limited | Construction | 2020 |
| G P S ( UK ) Ltd | Real estate | 2016 |
| G Power Computers and Components Ltd | Wholesale & retail | 2022 |
| G Probets Contractors Limited | Construction | 2002 |
| G R Abraham Roofing Ltd | Construction | 2007 |
| G R Roberts Hortorum ET Sylvarum Ltd | Agriculture & fishing | 2018 |
| G S J London Ltd | Construction | 2022 |
| G T Homes (MK) Limited | Construction | 2012 |
| G TOW Recovery Ltd | Transport & logistics | 2026 |
| G&A Cousins Ltd | Real estate | 2023 |
| G&G Building Solutions(Uk) Ltd | Construction | 2012 |
| G&G Invest Ltd | Transport & logistics | 2019 |
| G&J Carpentry and Joinery Limited | Construction | 2018 |
| G&K Cuisine Ltd | Hospitality | 2014 |
| G&K Interiors Limited | Construction | 2012 |
| G&L Development Service Ltd | Administrative & support | 2013 |
| G&L Investment Ltd | Real estate | 2013 |
| G&Ll Construction Ltd | Construction | 2020 |
| G&N Construction Ltd | Construction | 2024 |
| G&T Construction Ltd | Construction | 2021 |
| G-10 Management Ltd | Information & communication | 2023 |
| G-Mac Training and Assessment Limited | Administrative & support | 2011 |
| G. Hamson & SON Limited | Wholesale & retail | 1964 |
| G.A. Design Services Limited | Professional & scientific | 2019 |
| G.C.L. Drylining Ltd | Construction | 2017 |
| G.K. Scaffolding & Sons Ltd | Construction | 2008 |
| G.Mace Transport Ltd | Transport & logistics | 2025 |
| G.P.C. Dental Laboratory Limited | Health & social care | 2003 |
| G.R Transport Ltd | Transport & logistics | 2015 |
| G.S Autoworks Limited | Wholesale & retail | 2020 |
| G10 for MEN Ltd | Wholesale & retail | 2016 |
| G10 Prjct Ltd | Professional & scientific | 2016 |
| G4G Logistics Limited | Administrative & support | 2024 |
| G5 Fire Protection Limited | Manufacturing | 2016 |
| G90 Apps Ltd | Information & communication | 2021 |
| GA Construct Ltd | Construction | 2025 |
| GA Inns Limited | Hospitality | 2015 |
| Gabbone Ltd | Construction | 2024 |
| Gabby Healthcare Ltd | Health & social care | 2019 |
| Gabby Spencer Group Limited | Administrative & support | 2023 |
| Gabby Spencer Healthcare Services Ltd. | Health & social care | 2020 |
| Gabby Spencer Properties Ltd | Health & social care | 2015 |
| Gabby Spencer Recruitment Limited | Administrative & support | 2020 |
| Gabest Ltd | Wholesale & retail | 2013 |
| Gabi Mechanical Ltd | Transport & logistics | 2022 |
| Gabista Ltd | Transport & logistics | 2019 |
| Gabnar Ltd | Administrative & support | 2019 |
| Gabriel Marius Transport Ltd | Transport & logistics | 2026 |
| Gabriela LN Limited | Transport & logistics | 2023 |