| Gill Building Ltd | Construction | 2020 |
| GJM Domestic and Commercial Services Ltd | Construction | 2024 |
| Global Business Specialists Ltd | Administrative & support | 2019 |
| GMT Farriers Limited | Arts & recreation | 2010 |
| Golf Range News Limited | Information & communication | 2001 |
| GR8SOLUTION INT Limited | Wholesale & retail | 2013 |
| Grayham Monk Limited | Financial services | 2017 |
| Green Leaf Kent Ltd | Hospitality | 2017 |
| Greenfield Industrial Recruitment Ltd | Extraterritorial | 2026 |
| Grimsby Golf Centre Ltd | Arts & recreation | 2001 |
| H S Layton Limited | Administrative & support | 2025 |
| H&H Maintenance Services Ltd | Manufacturing | 2023 |
| Habitat H2O Limited | Construction | 2004 |
| Hairy Hound Limited | Wholesale & retail | 2010 |
| Halden Gate Limited Liability Partnership | | 2003 |
| Hamilton Walters Carpentry & Building LLP | | 2016 |
| Hampson Estates Limited | Real estate | 2005 |
| Hanover DE Broke Limited | Financial services | 2001 |
| Happy Wolf Eats Ltd | Hospitality | 2026 |
| Harrington Motors (Kent) Ltd | Wholesale & retail | 2026 |
| Hartfields (Sussex) Ltd | Hospitality | 2003 |
| Hawkshill Road Residents (1997) Limited | Households | 1999 |
| Hayward Consultancy Limited | Administrative & support | 2009 |
| Health & Protection Partners Ltd | Financial services | 2025 |
| Hedge Smart Limited | Wholesale & retail | 2008 |
| Hedgelink Limited | Financial services | 2025 |
| Hedging Plants Limited | Wholesale & retail | 2019 |
| Hellfire Pictures Ltd | Information & communication | 1997 |
| Heritage Live Limited | Arts & recreation | 2020 |
| Hermes Medical Communications Limited | Professional & scientific | 2008 |
| Heronden Veterinary Practice Ltd | Professional & scientific | 2016 |
| Hesling Plant Limited | Construction | 2010 |
| Higham Miller Limited | Professional & scientific | 2013 |
| Hillstone Property Developments Ltd | Construction | 2021 |
| Hiraeth Diversity Limited | Administrative & support | 2017 |
| Hoad Group Ltd | Extraterritorial | 2020 |
| Holiday Magic Ltd | Hospitality | 2019 |
| Home Farm Childrens Nursery Limited | Education | 2006 |
| Home Funding Limited | Financial services | 2005 |
| Honeyrow Limited | Real estate | 2007 |
| Hopes Grove Nurseries (Native Plants) Limited | Wholesale & retail | 2001 |
| Hosted Clouds Limited | Wholesale & retail | 2016 |
| Howarth Food Safety Limited | Hospitality | 2015 |
| Howells Consulting Limited | Administrative & support | 2010 |
| Hunter Cockburn Doggwiler Limited | Professional & scientific | 2018 |
| HWB Homes Ltd | Construction | 2024 |
| Hydro Heating Ltd | Construction | 2024 |
| Icanski Limited | Wholesale & retail | 2010 |
| ICF Trestles Ltd | Construction | 2017 |
| Identity Print and Foil Limited | Manufacturing | 2009 |
| Inception Point Limited | Wholesale & retail | 2014 |
| Insaprop Ltd | Construction | 2018 |
| Interactive Pass UK Ltd | Education | 2025 |
| Interactive Strategic Systems Ltd. | Information & communication | 1991 |
| Internos Books Limited | Information & communication | 1999 |
| IPS Distribution & Logistics Limited | Transport & logistics | 2024 |
| Ironbridge Games Ltd | Information & communication | 2025 |
| J & E Commercials Limited | Wholesale & retail | 2023 |
| J D Groundwork (South East) Ltd | Administrative & support | 2019 |
| J Peachey Ltd | Administrative & support | 2013 |
| J&D Prestige Construction Ltd | Construction | 2025 |
| J&S Electrical & Datacoms Services Limited | Construction | 2004 |
| J.B. Interior Designs Limited | Professional & scientific | 1999 |
| J.King's Temperature Controlled Services Limited | Transport & logistics | 2013 |
| Jacinth Ltd | Wholesale & retail | 2025 |
| Jackie's News Limited | Wholesale & retail | 2013 |
| Jaegerfilm Limited | Information & communication | 2010 |
| Jaga Corporation Limited | Real estate | 2023 |
| Jamesdavidfilms Ltd | Information & communication | 2020 |
| JAN Leenders BV | | 1986 |
| Jane Harris Interiors Ltd | Wholesale & retail | 2012 |
| Jarvis Developments (South East) Ltd | Construction | 2020 |
| Jarvis Homes Bond Land Limited | Construction | 2024 |
| Jarvis Homes Sandhurst Ltd | Real estate | 2023 |
| Javona Property Limited | Administrative & support | 1996 |
| JBS Living Ltd | Wholesale & retail | 2018 |
| Jdmb Studio Limited | Professional & scientific | 2013 |
| Jessica Rose Loves Ltd | Wholesale & retail | 2024 |
| JK Venture Design Ltd | Professional & scientific | 2021 |
| Johnston Building Supplies Limited | Wholesale & retail | 2011 |
| JSG IT Consulting Limited | Information & communication | 2019 |
| Jubilee Court Management Company (Tenterden) Limited | Water & waste | 2006 |
| Julie Luxe UK Limited | Wholesale & retail | 2020 |
| Jumbo Commodities Ltd | Wholesale & retail | 2022 |
| Jumladee Change Management Ltd | Professional & scientific | 2024 |
| Just Flat Roofing Southeast Ltd | Construction | 2025 |
| Jwise Electrical Ltd | Manufacturing | 2023 |
| K Wearables Ltd | Information & communication | 2016 |
| K.M.S. Property Limited | Real estate | 2015 |
| Kaleminster Limited | Real estate | 1984 |
| Karl Terry Roofing Contractors Limited | Construction | 1997 |
| Kate Ward Limited | Health & social care | 2013 |
| Kayra & Araz Ltd | Hospitality | 2021 |
| KCH Solutions Limited | Professional & scientific | 2017 |
| Kemeys AE Limited | Wholesale & retail | 2015 |
| Kent and Sussex Coffee Limited | Extraterritorial | 2021 |
| Kent and Sussex Renovations Ltd | Construction | 2023 |
| Kent Farm Contracting Ltd | Construction | 2025 |
| Kent Financial & Management Services Ltd | Professional & scientific | 2016 |
| Kent Heat Pumps Ltd | Construction | 2021 |