| Ginie Ltd | Information & communication | 2024 |
| Golden Fish & Pizza Limited | Hospitality | 2025 |
| Golden Pizza and Fish Ltd | Hospitality | 2026 |
| GPC Contractors Ltd | Construction | 2019 |
| Greener Homes Plumbing & Heating Ltd | Construction | 2022 |
| Greens Self Storage (Wales) Ltd | Real estate | 2020 |
| Griffiths Business Improvements Ltd | Administrative & support | 2022 |
| Grill HUT Kebab Ltd | Hospitality | 2024 |
| GSP Electricians Ltd | Construction | 2021 |
| GT Building Surveying Ltd | Professional & scientific | 2013 |
| GUR Simran Ltd | Construction | 2018 |
| GW Takeaway Limited | Hospitality | 2021 |
| Hajy Valet Car Wash Ltd | Administrative & support | 2024 |
| Happy Dayz Nursery Limited | Education | 2011 |
| Happyhaul Express Freight Limited | Transport & logistics | 2025 |
| Harribill Ltd | Professional & scientific | 2014 |
| Hats and Barrels Charter Company Limited | Agriculture & fishing | 2025 |
| Haus of Anavrin Yoga Ltd | Health & social care | 2025 |
| Hazar Foods Ltd | Hospitality | 2026 |
| Haze Labs Ltd | Wholesale & retail | 2025 |
| Hcsj Property Limited | Households | 2026 |
| Heames Ltd | Professional & scientific | 2018 |
| Heather & Oak Properties Ltd | Real estate | 2025 |
| Heritage Homes Trading Ltd | Real estate | 2020 |
| Highststore Ltd | Wholesale & retail | 2021 |
| HLD Properties Ltd | Real estate | 2020 |
| Hubark Ltd | Manufacturing | 2020 |
| I FIX Reinforcements Ltd | Construction | 2008 |
| Iapr Investments Limited | Financial services | 2024 |
| Icehawk Studios Ltd | Information & communication | 2018 |
| Ifix Properties Limited | Real estate | 2017 |
| Imperium Capital Management Ltd | Financial services | 2026 |
| Imperium Infrastructure Ltd | Agriculture & fishing | 2026 |
| Imperium Investment Group Ltd | Real estate | 2026 |
| IN the Shadows Theatre Company CIC | Administrative & support | 2026 |
| Infomedia Limited | Information & communication | 1985 |
| Innovation Streams Ltd | Real estate | 2022 |
| Inspire UPG UK Limited | Manufacturing | 2016 |
| Insure Agent Limited | Financial services | 2018 |
| Integrated Financial Management Ltd | Professional & scientific | 2014 |
| Intense Label Ltd | Information & communication | 2025 |
| Invision Game Community Ltd. | Professional & scientific | 2014 |
| Isai W P N Ltd | Real estate | 2022 |
| Isecure Monitoring (UK) Limited | Administrative & support | 2013 |
| J N E Plasterers Ltd | Construction | 2019 |
| J.R.H.C.P Properties Ltd | Real estate | 2021 |
| Jais Food & Wine Ltd | Wholesale & retail | 2022 |
| JAM Wind Ltd | Manufacturing | 2022 |
| Jarmans Property Ltd | Real estate | 2024 |
| JAZ T.G. Ltd | Transport & logistics | 2026 |
| Jemsta Property Management Ltd | Real estate | 2021 |
| Jemsta UK Ltd | Real estate | 2018 |
| Jfva Ltd | Health & social care | 2023 |
| Jiga Hertz Electrical Engineering and General Services Limited | Construction | 2020 |
| JJ Brickwork and Stonework Specialists Limited | Construction | 2020 |
| Jljb Roofing Ltd | Construction | 2022 |
| JLT Rail Limited | Construction | 2020 |
| JM George Catering Ltd. | Hospitality | 2020 |
| Justbeansco Ltd | Manufacturing | 2025 |
| JWG Utilities Limited | Construction | 2017 |
| JYY WCT Ltd | Hospitality | 2024 |
| K R Conveyancing Services Limited | Professional & scientific | 2006 |
| K1 Valet Service Ltd | Administrative & support | 2023 |
| K2 Mini Market Ltd | Wholesale & retail | 2024 |
| KAA Dent Hub Ltd | Health & social care | 2019 |
| Kainth Property Ltd | Real estate | 2019 |
| Kathrens Drylining Ltd | Construction | 2017 |
| Katiesclothes Ltd | Wholesale & retail | 2026 |
| Keepings Coaches Ltd | Transport & logistics | 2017 |
| Keepings International Ltd | Transport & logistics | 2025 |
| Kelow Properties Limited | Construction | 2020 |
| Kench Consultations Ltd | Manufacturing | 2025 |
| KLS Drylining Limited | Construction | 2023 |
| KR Wills & Probate Ltd | Professional & scientific | 2019 |
| KR Windows Installations Ltd | Construction | 2024 |
| KSA Developments Limited | Construction | 2021 |
| KSA Prestige Investments Ltd | Real estate | 2025 |
| Kurd Style Barber Ltd | Other services | 2022 |
| KW Groundworks Ltd | Construction | 2017 |
| L & J Property Management Ltd | Real estate | 2025 |
| Langdon Carpentry Ltd | Manufacturing | 2026 |
| Lawn Practice Ltd | Health & social care | 2022 |
| LCT Scaffold Ltd | Construction | 2026 |
| Leafy Care Ltd | Health & social care | 2023 |
| LEE Dower Limited | Construction | 2004 |
| Legends & Treasures Ltd | Wholesale & retail | 2025 |
| Leons Cuisine Limited | Hospitality | 2025 |
| LHR Medical Ltd | Education | 2024 |
| Lidsters Fishing Supplies Limited | Wholesale & retail | 2012 |
| Lifetime Financial Options Limited | Financial services | 2007 |
| Little India Balti Limited | Hospitality | 2013 |
| Lock Street Garage Ltd | Wholesale & retail | 2019 |
| Londis (Abercynon) Ltd | Wholesale & retail | 2022 |
| Loosemore's Limited | Manufacturing | 2002 |
| LW Cosmetics Ltd | Administrative & support | 2017 |
| M J Williams Auto Body Repairs Limited | Manufacturing | 2017 |
| M&Econnect Limited | Construction | 2024 |
| Magenta Photography Ltd | Professional & scientific | 2008 |
| Manha Tandoori Ltd | Hospitality | 2026 |
| Marton (Civil Engineering) Limited | Construction | 1976 |