| Helanik Property Lettings Limited | Real estate | 2017 |
| Hele Botanic Ltd | Wholesale & retail | 2026 |
| Hele Cross Service Station Limited | Wholesale & retail | 2010 |
| Hele Flora Ltd | Wholesale & retail | 2026 |
| Hele Garden Ltd | Wholesale & retail | 2026 |
| Hele Supplies Ltd | Wholesale & retail | 2026 |
| Helen Edwards Medical Aesthetics Limited | Health & social care | 2019 |
| Hellebore Investments Limited | Real estate | 2023 |
| Hellfire Corner Limited | Construction | 2021 |
| Hemlock Carpentry and Building Ltd | Construction | 2024 |
| Hemmings Building Services Limited | | 1978 |
| Henderson Controls Ltd | Professional & scientific | 2024 |
| Hensford Park LLP | | 2021 |
| Herts Roller Shutters Limited | Extraterritorial | 2011 |
| Hestia Lettings Ltd | Real estate | 2017 |
| Hewett Electrical Supplies Limited | Wholesale & retail | 2003 |
| Heywoods Inns Ltd | Hospitality | 2023 |
| HH Business Links Limited | Professional & scientific | 2014 |
| Hi-Fidelity Ltd | Wholesale & retail | 2018 |
| Hidden Heat Ltd | Construction | 2019 |
| High Performance Golf Limited | Arts & recreation | 2021 |
| High Trees (Dawlish) Management Company Limited | Administrative & support | 1991 |
| Highbury Villa (Torquay) Management Company Limited | Households | 1997 |
| Higher Colleybrook Management Company Limited | Households | 2005 |
| Higher Penhole Management Limited | Real estate | 2008 |
| Highgate Wexford Limited | Professional & scientific | 2012 |
| Highstead Management Ltd | Households | 2023 |
| Highways and Access Ltd | Professional & scientific | 2018 |
| Higrade CBD Ltd | Wholesale & retail | 2019 |
| Hillsborough Management Company (Torquay) Limited | Households | 1987 |
| Hillside Court (Buckfastleigh) Limited | Households | 1993 |
| Hillside Product Design Limited | Professional & scientific | 2003 |
| HJA Consult Limited | Professional & scientific | 2019 |
| HKD Affordable Homes Ltd | Real estate | 2026 |
| HKD Holdings Limited | Real estate | 2018 |
| HLV Projects Ltd | Real estate | 2021 |
| Hobart Heating and Electrical Limited | Construction | 1999 |
| Hobbin Group Ltd | Real estate | 2025 |
| Hoer Design Ltd | Professional & scientific | 2021 |
| Hogan Machine Service Limited | Manufacturing | 2011 |
| Holcombe Down House Management Company Limited | Real estate | 2008 |
| Holly House Management Company Limited | Households | 1985 |
| Holman Surveying Services Ltd | Professional & scientific | 2020 |
| Holme Court (Torquay) Association | Households | 1963 |
| Holmes Decking Limited | Administrative & support | 2026 |
| Holy Place Ltd | Construction | 2020 |
| Home and Away Living Ltd | Real estate | 2021 |
| Home Care 2000 Limited | Health & social care | 1998 |
| Home Farm (Pinhoe) Management Limited | Households | 2020 |
| Home Sweet Home Torbay Ltd | Wholesale & retail | 2021 |
| Homeside (Torquay) Management Company Limited | Hospitality | 2009 |
| Honeysuckle House Management Company Limited | Real estate | 1997 |
| Hong Investment Ltd | Hospitality | 2015 |
| Hong YUN Tong Ltd | Hospitality | 2025 |
| Hookzonline Limited | Wholesale & retail | 2013 |
| Hoot Hosting Limited | Information & communication | 2013 |
| Hoot Media Limited | Information & communication | 2010 |
| Hope Developer Consultants Ltd | Construction | 1999 |
| Hope Planning Consultants Limited | Real estate | 2011 |
| Hope Property Consultants Ltd | Professional & scientific | 2024 |
| Horiz IT Verstone Ltd | Information & communication | 2025 |
| Horizon Relocation Ltd | Construction | 2015 |
| Horrill Plant Hire and Services Ltd | Administrative & support | 2022 |
| Horseman Bruce Associates Ltd | Education | 2017 |
| Hostme Limited | Hospitality | 2019 |
| Hot N Shiny Limited | Administrative & support | 2021 |
| Hotelco 114 Ltd | Administrative & support | 2014 |
| Hotspot Channel Ltd | Information & communication | 2014 |
| House of Dreams (SW) Ltd | Manufacturing | 2020 |
| House of Laser Skin Clinic Ltd | Other services | 2022 |
| Houseking Developments Ltd | Construction | 2015 |
| Houseking Estates Ltd | Construction | 2024 |
| Howard Developments (Torquay) Limited | Construction | 1999 |
| Howard Jackson Recruitment Limited | Administrative & support | 2017 |
| Howard Ramsden (Diespec) Limited | Manufacturing | 1995 |
| Howden Court Hotel Limited | Hospitality | 2015 |
| Hoyle Accountants Limited | Professional & scientific | 2019 |
| HR Diespec Limited | Manufacturing | 2014 |
| HR Mobiles Ltd | Wholesale & retail | 2024 |
| Hsowen Limited | Real estate | 2016 |
| HSP Buildings Limited | Households | 2012 |
| HSW Resources Limited | Manufacturing | 2021 |
| Hughendon Limited | Households | 1989 |
| HUMANRIGHTS1.ST Limited | Professional & scientific | 2000 |
| Hummer Lepper Limited | Health & social care | 2019 |
| Hunsdon Court Management Company Limited | Households | 1988 |
| Hunsdon Lodge Management Ltd | Households | 2000 |
| Hunt's Cider Limited | Manufacturing | 2014 |
| Huntly Bishopsteignton Ltd | Households | 2010 |
| Huxley & Co (UK) Limited | Manufacturing | 2014 |
| Hydraulic Projects Limited | Manufacturing | 1963 |
| Hydro Power Pods Limited | Construction | 2023 |
| Hydrogen Cars Ltd | Manufacturing | 2005 |
| Hyfield Residents (Torquay) Limited | Households | 1997 |
| Hymid Group Ltd | Manufacturing | 2013 |
| Hymid Multi-Shot Limited | Manufacturing | 2000 |
| Hynell Intellectual Property Limited | Professional & scientific | 2013 |
| Hyperion Management Company Limited | Households | 2002 |
| I AM More Academy Limited | Education | 2022 |
| I AM Thai Ltd | Hospitality | 2022 |