| First Skills Training Centre UK Ltd | Education | 2025 |
| Fischers Realty Ltd | Real estate | 2026 |
| Fix&Go Auto Service Ltd | Wholesale & retail | 2025 |
| Fixmate Limited | Construction | 2024 |
| Flavius Investment & Compliance Ltd | Construction | 2023 |
| Flemingway Solutions Limited | Real estate | 2017 |
| Flexibledrive Ltd | Transport & logistics | 2025 |
| Flolistea Trans Ltd | Transport & logistics | 2022 |
| Flomisol Constioction Ltd | Construction | 2025 |
| Florin MKB Ltd | Transport & logistics | 2023 |
| Flow Switch Plumbing & Heating Ltd | Construction | 2026 |
| Folakin Limited | Health & social care | 2022 |
| Foley & Miles Ltd | Transport & logistics | 2000 |
| Forever Glam Events Ltd | Hospitality | 2019 |
| Formalicious Ltd | Other services | 2025 |
| Fortes Interiors Limited | Construction | 2018 |
| Forth Energy (Tilbury) Limited | Professional & scientific | 2008 |
| Forth Ports Finance PLC | Financial services | 2013 |
| FP Express Ltd | Transport & logistics | 2018 |
| Frankie Doodles Clothing Limited | Manufacturing | 2019 |
| Franod Ventures Ltd | Construction | 2013 |
| Freddel Joseph Thompson Ltd | Extraterritorial | 2024 |
| Freight Agencies Forwarding (2010) Limited | Financial services | 2010 |
| Freight Agencies Forwarding Limited | Transport & logistics | 1998 |
| Freight Infinite UK Ltd | Transport & logistics | 2021 |
| Freight Management (U.K.) Limited | Transport & logistics | 1990 |
| Freightguard Ltd | Information & communication | 2026 |
| FSM Care Services Limited | Health & social care | 2025 |
| Full Time Transport Ltd | Transport & logistics | 2022 |
| FUN TIM Ltd | Administrative & support | 2011 |
| Furniture Master Assets Limited | Manufacturing | 2025 |
| Fusion BLU Limited | Manufacturing | 2020 |
| G&N Cleaning Solutions Ltd | Administrative & support | 2025 |
| G.U. Ofeke Limited | Transport & logistics | 2016 |
| G3ITECH Ltd | Professional & scientific | 2014 |
| Gateway Construction Services Limited | Construction | 2008 |
| Gateway Drainage Services Limited | Water & waste | 2019 |
| Gawd Cosmetics and Salon Ltd | Other services | 2022 |
| Geberich Consult and Engineering Ltd | Information & communication | 2010 |
| General Building - Plumbing & Heating Limited | Construction | 2013 |
| Genesys Investment Ltd | Transport & logistics | 2025 |
| Geokraft Services Ltd | Health & social care | 2012 |
| George&Codelivery Ltd | Transport & logistics | 2017 |
| Ggbm DRY Lining Ltd | Construction | 2017 |
| Gheorghe Negrut Limited | Wholesale & retail | 2021 |
| GIC Spedition Ltd | Transport & logistics | 2021 |
| Giftsbyadetutu Ltd | Manufacturing | 2024 |
| Gilgal Development & Properties Ltd | Real estate | 2025 |
| Girls Empowerment Initiative UK CIC | Health & social care | 2017 |
| GK3R Ltd | Administrative & support | 2019 |
| GKK Difference Ltd | Wholesale & retail | 2025 |
| Glenrock Grab & Tipper Hire Ltd | Transport & logistics | 2023 |
| Global Skills Consult Limited | Education | 2022 |
| GMC Enterprise Ltd | Other services | 2025 |
| Go Shopfitting Ltd | Construction | 2014 |
| Golden Carehome Limited | Health & social care | 2024 |
| Golden Chicken and Pizza Ltd | Hospitality | 2020 |
| Golden Forest Properties Ltd | Real estate | 2023 |
| Good Pies Ltd | Manufacturing | 2022 |
| Gospel for ALL Community Church Limited | Other services | 2017 |
| Gothard Landscape and Land Reclamation Limited | Construction | 1977 |
| Gp&P Ltd | Other services | 2016 |
| Gracious Women Ltd | Manufacturing | 2023 |
| Grafters Super Group (Chelmsford) Limited | Administrative & support | 2025 |
| Graphics Pro Ltd | Manufacturing | 2023 |
| Greaves Services Ltd | Professional & scientific | 2025 |
| Greencargo Express Ltd | Transport & logistics | 2018 |
| Greenspark Sustainable Solutions Ltd | Professional & scientific | 2025 |
| Grehouse Ltd | Construction | 2015 |
| GRV Construction Ltd | Construction | 2025 |
| Guzghi Limited | Transport & logistics | 2014 |
| Gwsh Ltd | Financial services | 2024 |
| Gykon Ltd | Construction | 2026 |
| Hagi MI Ltd | Transport & logistics | 2019 |
| Halcyon Care Solutions Limited | Administrative & support | 2025 |
| Hamza Recovery Services Ltd | Wholesale & retail | 2023 |
| Hanscroth Investments Limited | Real estate | 2020 |
| Harbour Care & Support Limited | Health & social care | 2026 |
| Harrington Bespoke Furniture Limited | Wholesale & retail | 2014 |
| Hawkmead Ltd | Extraterritorial | 2012 |
| HDS (Holdings) Ltd. | Financial services | 2011 |
| HDS Group Services LLP | | 2020 |
| HDS Investment Solutions Ltd | Financial services | 2021 |
| HDS Management Ltd. | Administrative & support | 2011 |
| HDS Securities Contracts Ltd. | Administrative & support | 2011 |
| Heating and Ventilation Warehouse Limited | Wholesale & retail | 2013 |
| Helping Hands Day Nursery Limited | Education | 2010 |
| Hereigns Events Management Ltd | Administrative & support | 2004 |
| Hi-Cymbals Multimedia Studios Limited | Information & communication | 2020 |
| Hi-Tech Cleaning Services Ltd | Administrative & support | 2023 |
| Hibiscus & Son's Ltd | Wholesale & retail | 2020 |
| Hidee Ltd | Health & social care | 2019 |
| Hinzen Ltd | Wholesale & retail | 2024 |
| Hito Limited | Health & social care | 2024 |
| HK Green Energy Services Ltd | Energy | 2022 |
| Hoffman Thornwood Limited | Manufacturing | 1979 |
| Holder Builder Services Ltd | Construction | 2024 |
| Holistic Caregivers Solutions Ltd | Health & social care | 2022 |
| Home of Care Support and Services Limited | Health & social care | 2023 |
| Homepro Property Solutions Ltd | Construction | 2019 |