| Grvaa Ltd | Real estate | 2022 |
| GSM Carpentry Ltd | Construction | 2025 |
| GTJ Enterprise Limited | Construction | 2024 |
| Guardian Safety Ltd | Administrative & support | 2023 |
| Guildcrest Commercial Limited | Construction | 2020 |
| Guildcrest Contracting UK Limited | Construction | 2018 |
| Guildcrest Estates Ltd | Real estate | 2021 |
| Guildcrest Estates Management Limited | Administrative & support | 2023 |
| Guildcrest Group Limited | Financial services | 2025 |
| Guildcrest Homes (ASH) Limited | Real estate | 2021 |
| Guildcrest Homes (Shepherdswell) Limited | Construction | 2026 |
| Guildcrest Homes (ST Stephens Park) Limited | Real estate | 2022 |
| Guildcrest Homes (Wingham) Limited | Construction | 2025 |
| Guildcrest Homes UK Limited | Construction | 2014 |
| Guilford House(Sandwich)Limited | Households | 1973 |
| Gullick Partnership Limited | Professional & scientific | 2025 |
| GVG2008 Limited | Transport & logistics | 2017 |
| Gweebara Ltd | Real estate | 2015 |
| GWP Limited | Financial services | 2025 |
| H & K Safety Services Limited | Professional & scientific | 2007 |
| H Buckingham Limited | Professional & scientific | 2022 |
| H Carpentry Contractors Ltd | Manufacturing | 2018 |
| H&K Fire Ltd | Professional & scientific | 2023 |
| H. R. Palmer Limited | Other services | 2020 |
| Habeo Homes Limited | Households | 2019 |
| Hafizur Ltd | Wholesale & retail | 2024 |
| Haine Homes Ltd | Real estate | 2023 |
| Hair on the Square (UK) Limited | Administrative & support | 2008 |
| Hairless Whisper Ltd | Other services | 2019 |
| Hamerton Helis Limited | Transport & logistics | 2024 |
| Hamiltongrove Limited | Real estate | 1994 |
| Hands on Sports Therapy Ltd | Health & social care | 2015 |
| Hannah Wild Counselling Ltd | Health & social care | 2026 |
| Happy Chops Ltd | Wholesale & retail | 2018 |
| Happykombucha Limited | Hospitality | 2013 |
| Harbour and Tide Ltd | Wholesale & retail | 2021 |
| Harbour Gold Ltd | Wholesale & retail | 2021 |
| Harbour Joinery Workshop Ltd | Construction | 2023 |
| Harbour Street 2 Ltd | Wholesale & retail | 2026 |
| Harding-Lee Company Limited | Professional & scientific | 2022 |
| Hards Carpentry Ltd | Construction | 2015 |
| Harmony Massage Limited | Other services | 2020 |
| Harris Duncan Holdings Ltd | Financial services | 2025 |
| Harrison’S Glass and Glazing Ltd | Construction | 2025 |
| Harte Design Ltd | Professional & scientific | 2022 |
| Hartley Associates Ltd | Financial services | 2018 |
| Hatton Developments (South East) Ltd | Construction | 2016 |
| Haxch Ltd | Manufacturing | 2017 |
| Haystack Holdings Ltd | Financial services | 2020 |
| Hazal Cafe Ltd | Hospitality | 2019 |
| HBT Services Ltd | Construction | 2021 |
| HB’ Tints Ltd | Wholesale & retail | 2025 |
| HC Driving Services Limited | Transport & logistics | 2025 |
| HD Roofing (Kent) Ltd | Construction | 2023 |
| Healthcheck Group Ltd | Arts & recreation | 2022 |
| Healthcheck Services Limited | Other services | 2000 |
| Healthy Work Training Ltd | Professional & scientific | 2017 |
| Hearth Restaurant Ltd | Hospitality | 2021 |
| Hedley Court RTM Company Limited | Real estate | 2013 |
| Helen Porter UK Ltd | Other services | 2017 |
| Hello Holley Limited | Administrative & support | 2025 |
| Helping Hand Hire Limited | Administrative & support | 2025 |
| Hemp Soil Ltd | Manufacturing | 2025 |
| Herbosch-Kiere Marine Contractors Ltd. | Construction | 1994 |
| Hereson Garage Car Sales Limited | Wholesale & retail | 2013 |
| Hereson Service Centre Limited | Wholesale & retail | 2013 |
| Heritage Bloomwear Ltd | Wholesale & retail | 2025 |
| Heritage LAB CIC | Construction | 2018 |
| Herschell Green Homes Ltd | Construction | 2023 |
| HFK Estates Limited | Real estate | 2020 |
| HFK Limited | Professional & scientific | 2017 |
| HGV Driver Class 1 Limited | Transport & logistics | 2021 |
| Hickson Design & Communications Limited | Professional & scientific | 2006 |
| Hidden Treasure Ltd | Wholesale & retail | 2024 |
| High Court Service Limited | Professional & scientific | 2014 |
| High SIX Media Limited | Information & communication | 2011 |
| High Street Social Club for Arts in Ramsgate CIC | Arts & recreation | 2024 |
| High Tide Tattoo Studio Limited | Other services | 2018 |
| High Tower Roofing and Maintenance Services Ltd | Construction | 2019 |
| Highcliffe Court (Ramsgate) Management Company Limited | Households | 2008 |
| Highlands Glade Management Company Limited | Households | 2001 |
| Highway Engineering Consultants Limited | Professional & scientific | 2009 |
| Higson APS Limited | Professional & scientific | 2008 |
| Hill Fabrication Ltd | Manufacturing | 2014 |
| Hillier Estates Holdings Limited | Professional & scientific | 1996 |
| Hillier Estates Limited | Real estate | 1927 |
| Hive Frame Construction Ltd | Construction | 2018 |
| Hjtd Limited | Wholesale & retail | 2022 |
| Hkpr Group Ltd | Professional & scientific | 2022 |
| Hmcg Limited | Construction | 2017 |
| Hoang&Vu Ltd | Professional & scientific | 2017 |
| Hobbyhammer Games Ltd | Wholesale & retail | 2024 |
| HOH Global Ltd | Wholesale & retail | 2025 |
| Holby Construction Limited | Construction | 2026 |
| Hold Creative Spaces CIC | Wholesale & retail | 2020 |
| Hold My Bear Ltd | Hospitality | 2020 |
| Holiday Lets in Kent Ltd | Hospitality | 2018 |
| Holly SP Beauty Ltd | Other services | 2024 |
| Holly SP Tanning Ltd | Other services | 2024 |
| Holmes Financial Investments Limited | Administrative & support | 2015 |