| Greenleaves Cancer Foundation Limited | Education | 2017 |
| Greenstone Legal Services Limited | Professional & scientific | 2016 |
| GSD (UK) Accounting Ltd | Professional & scientific | 2014 |
| Gt&Nt Limited | Real estate | 2021 |
| Guaranteed Ltd | Real estate | 2022 |
| Gymnastic Planet Ltd | Wholesale & retail | 2013 |
| H & L Steel and Construction Limited | Construction | 2017 |
| H S Vehicles Limited | Wholesale & retail | 2017 |
| H1 Cleaning Services Ltd | Administrative & support | 2021 |
| Hailes Properties Limited | Real estate | 2024 |
| Hajduk Enterprise Ltd | Administrative & support | 2020 |
| Hananeel Limited | Administrative & support | 2014 |
| Harris Heating and Plumbing Limited | Construction | 2016 |
| HAS Partnership Limited | Transport & logistics | 2021 |
| Haven Tax Accountants Ltd | Professional & scientific | 2021 |
| Heark Music Limited | Information & communication | 2019 |
| Hedge & Stone UK Ltd | Professional & scientific | 2025 |
| Hedge and Stone Care Solutions Ltd | Health & social care | 2025 |
| Hedge Properties Limited | Construction | 2021 |
| Helenfred Limited | Transport & logistics | 2013 |
| Helenfredcare Limited | Real estate | 2014 |
| Henry Care Limited | Public administration | 2021 |
| Heston Window Cleaning Ltd | Administrative & support | 2020 |
| Highway HR Ltd | Professional & scientific | 2019 |
| Highzone Care Agency Ltd | Health & social care | 2020 |
| Hind Homes Ltd | Real estate | 2020 |
| Hiraya Group Ltd | Wholesale & retail | 2025 |
| Hithe 19 Consulting Limited | Information & communication | 2024 |
| Hitpoint Dynamics Ltd | Construction | 2025 |
| Holidaypal Tours Ltd | Administrative & support | 2026 |
| Holland's Carpentry Limited | Manufacturing | 2013 |
| Home-Professionals Ltd | Real estate | 2021 |
| Homemead Residents Limited | Households | 1998 |
| Hope on Prescription CIC | Arts & recreation | 2024 |
| HP Haulage Ltd | Transport & logistics | 2024 |
| HPM Solutions Ltd | Wholesale & retail | 2020 |
| HRH Utilities Ltd | Energy | 2025 |
| Hulsford Property Investments Ltd | Real estate | 2020 |
| HY Tour Service Ltd | Administrative & support | 2017 |
| IBD Limited | Professional & scientific | 2025 |
| ICRE8 by Design Limited | Construction | 2019 |
| Incontrol Cars Ltd | Wholesale & retail | 2022 |
| Infohash Ltd | Information & communication | 2016 |
| Ingaellie Ltd. | Construction | 2015 |
| Innovations Parties Limited | Hospitality | 2025 |
| Insight Edge Designs Ltd | Professional & scientific | 2024 |
| Inspired Quality Services Ltd | Arts & recreation | 2024 |
| Inspiretrain Limited | Administrative & support | 2025 |
| Intake Engineering Ltd | Manufacturing | 2020 |
| International Remittance Limited | Financial services | 2025 |
| Interserve @ UK Ltd | Construction | 2025 |
| Intimate Exchanges Ltd | Manufacturing | 2024 |
| Iredayo Ltd | Health & social care | 2022 |
| Ireign Property Ltd | Real estate | 2023 |
| Ivayloyatsov Ltd | Construction | 2018 |
| Ivory Iris Ltd | Manufacturing | 2013 |
| Ivory Petroleum Ltd | Mining & quarrying | 2025 |
| J M Patel Limited | Wholesale & retail | 2003 |
| J-Run Services Ltd | Health & social care | 2016 |
| J.E. Infrastructure Services Limited | Information & communication | 2019 |
| J9 Digital Services Ltd | Information & communication | 2025 |
| Jaanai Ltd | Wholesale & retail | 2010 |
| Jadan Services Limited | Health & social care | 2021 |
| Jagan Consulting Limited | Information & communication | 2014 |
| Jamnasium Limited | Professional & scientific | 2010 |
| Jandu Healthcare Limited | Wholesale & retail | 2023 |
| Jayceejay Investments Ltd | Financial services | 2026 |
| Jaydon Concept Ltd | Wholesale & retail | 2022 |
| JB Decor Kent Ltd | Construction | 2026 |
| JCH Construction Services Limited | Construction | 2022 |
| JDB Unite Healthcare Ltd | Health & social care | 2018 |
| JDT Trading Ltd | Transport & logistics | 2020 |
| Jiachen Trade Ltd | Wholesale & retail | 2023 |
| Jibru Limited | Information & communication | 2014 |
| JJK9 Limited | Administrative & support | 2018 |
| JJS Professionals Limited | Education | 2022 |
| JK Locksmith Services Ltd | Other services | 2020 |
| JL Consultancy Limited | Administrative & support | 2020 |
| Joydens Wood Football Club Ltd | Arts & recreation | 2025 |
| JP Fire Security Ltd | Construction | 2026 |
| JR Ports Contracts Ltd | Professional & scientific | 2026 |
| JR Ports Properties Ltd | Real estate | 2026 |
| Just Kickz Ltd | Wholesale & retail | 2022 |
| Just Technical Mechanical Services Ltd | Construction | 2026 |
| JWM Stardust Ltd | Professional & scientific | 2015 |
| K H Assisted Services Ltd | Professional & scientific | 2024 |
| K&B Integrated Services Ltd | Construction | 2017 |
| K&J Trans Ltd | Transport & logistics | 2021 |
| K.V Consultancy Services Limited | Information & communication | 2018 |
| Kairos Cleaning Experts Ltd | Administrative & support | 2025 |
| Kala Ventures Limited | Hospitality | 2016 |
| Kent Family Support Services CIC | Administrative & support | 2021 |
| Kent Fitness Sligo Ltd | Financial services | 2023 |
| Kent Home Solutions Limited | Construction | 2022 |
| Kentech Heating Services Limited | Construction | 2015 |
| Kepab Limited | Health & social care | 2019 |
| Kersey Consulting Ltd | Professional & scientific | 2026 |
| Key Compliance, Building Control Consultant Ltd | Construction | 2025 |
| Khan Brothers Property Ltd | Real estate | 2024 |
| Khiliad Group Limited | Financial services | 2023 |