| FUN Little Foodies Northumberland South Ltd | Education | 2024 |
| Fundamental Business Services (UK) Limited | Professional & scientific | 2020 |
| Fundify Limited | Information & communication | 2016 |
| Fungaya Ltd | Arts & recreation | 2025 |
| Funk Nights Ltd | Arts & recreation | 2022 |
| Funtime Audio Visual Limited | Administrative & support | 2003 |
| FUO Services Limited | Administrative & support | 2026 |
| Furniture by Fishbone Ltd. | Manufacturing | 2018 |
| Furniture Plan Ltd | Manufacturing | 2022 |
| Furniture Solutions NE Ltd | Water & waste | 2006 |
| Furniture Villas Ltd | Wholesale & retail | 2026 |
| Fuse Connect Limited | Information & communication | 2025 |
| Fuse Consultancy Ltd | Professional & scientific | 2016 |
| Fuse Corp Limited | Information & communication | 2025 |
| Fuse Holding Group Limited | Financial services | 2026 |
| Fuse Letting Limited | Real estate | 2016 |
| Fuse Media Ltd | Professional & scientific | 2016 |
| Fuse Telecom Ltd | Information & communication | 1998 |
| Fushion Lens Limited | Professional & scientific | 2026 |
| Fusion Connected Limited | Real estate | 2019 |
| Fusion Crane Hire North East Ltd | Administrative & support | 2026 |
| Fusion Indian Bistro Ltd | Wholesale & retail | 2022 |
| FUSION23 Limited | Real estate | 2024 |
| Futurdyne Limited | Health & social care | 2019 |
| Future Find Limited | Administrative & support | 2018 |
| Future Focus Foundation | Professional & scientific | 2021 |
| Future Focus Global CIC | Professional & scientific | 2012 |
| Future Icare Limited | Health & social care | 2025 |
| Future Offshore Ltd | Professional & scientific | 2025 |
| Future Point Planning Limited | Financial services | 2026 |
| Future Potential Ltd | Professional & scientific | 2016 |
| Future Property (Newcastle) Limited | Real estate | 2019 |
| Future Tech Properties Ltd | Real estate | 2025 |
| Future Tech Roofing Ltd | Construction | 2022 |
| Future Tech Solutions (UK) Ltd | Information & communication | 2018 |
| Future Transport Systems Ltd | Professional & scientific | 2009 |
| Future Transport Tyne and Wear Ltd | Wholesale & retail | 2019 |
| Future UK Care Services Ltd | Health & social care | 2022 |
| Future Vision Group Limited | Wholesale & retail | 2025 |
| Futuregen Capital (UK) Limited | Real estate | 2025 |
| Futurepath Solutions Ltd | Information & communication | 2026 |
| Futureplumb Services Limited | Construction | 2021 |
| Futuresai Ltd | Information & communication | 2024 |
| Futureunipath Ltd | Education | 2026 |
| FV Property Ltd | Construction | 2025 |
| Fxtra Mobile Carl Ltd | Wholesale & retail | 2026 |
| Fyfe Anderson Design Consultants Limited | Administrative & support | 2000 |
| Fyfeweb Ltd | Information & communication | 2019 |
| Fynio Ltd | Administrative & support | 2023 |
| Fynio Property Limited | Real estate | 2023 |
| Fyvg Ltd | Information & communication | 2019 |
| G & G Plumbing and Heating Limited | Construction | 2019 |
| G & J Engineering Services Limited | Manufacturing | 2018 |
| G & L Estates Ltd | Real estate | 2022 |
| G & L Property North East Limited | Real estate | 2023 |
| G & R News Ltd | Wholesale & retail | 2019 |
| G & S Wildlife Ltd | Other services | 2021 |
| G & T NE Ltd | Real estate | 2021 |
| G a & R C Detailing Ltd | Professional & scientific | 2002 |
| G a Plumbing Limited | Construction | 2003 |
| G a Taylor Ltd | Manufacturing | 2023 |
| G and D Integrated Services Ltd | Health & social care | 2023 |
| G and S Groundworks Limited | Extraterritorial | 2020 |
| G Burke Joinery Services Ltd | Construction | 2019 |
| G D Hogg Ltd | Financial services | 2026 |
| G Deeming Associates Limited | Health & social care | 2023 |
| G Force Conversions Ltd | Construction | 2026 |
| G Harford & Co Limited | Administrative & support | 2024 |
| G Health Consultancy Limited | Health & social care | 2023 |
| G J Densham Ltd | Construction | 2013 |
| G K Storage Limited | Administrative & support | 2023 |
| G M Accounting & Management Services Limited | Professional & scientific | 2011 |
| G Mayes Ltd | Wholesale & retail | 2015 |
| G P Brown Limited | Wholesale & retail | 2026 |
| G R Residence Limited | Real estate | 2024 |
| G Ramage & Sons Windows Limited | Construction | 1984 |
| G Robson Tradecars Ltd | Wholesale & retail | 2025 |
| G S Gill Properties Limited | Real estate | 2022 |
| G Standard Interior Ltd | Construction | 2022 |
| G Watson Construction Ltd | Construction | 2013 |
| G Wilson Groundworks Limited | Construction | 2025 |
| G Young Plumbing & Heating Limited | Construction | 2016 |
| G Younis Properties Ltd | Real estate | 2023 |
| G&B Building Services North East Ltd | Construction | 2015 |
| G&B Holdco Limited | Financial services | 2025 |
| G&P Kitchen Ltd | Hospitality | 2025 |
| G&T Acquisitions Limited | Real estate | 2017 |
| G-Force Construction Ltd | Construction | 2021 |
| G-Race Media & Promotion Ltd | Professional & scientific | 2024 |
| G-Wave Engineering Services Ltd | Professional & scientific | 2022 |
| G.A.Estates Limited | Transport & logistics | 2019 |
| G.B. Roofing (Contract Services) Limited | Construction | 2011 |
| G.B. Roofing Limited | Construction | 1984 |
| G.Crystal Properties. Ltd | Real estate | 2025 |
| G.Day Properties Ltd | Real estate | 2024 |
| G.E.R Group Ltd | Financial services | 2023 |
| G.Gergh Ltd | Administrative & support | 2024 |
| G.H. Furness Limited | Wholesale & retail | 1978 |
| G.Lowdon Limited | Transport & logistics | 1954 |
| G.M. Transport Limited | Transport & logistics | 2003 |