| Headshrinker Brewing Company Ltd | Swansea Vale | 2015 |
| Headspace Hair Ltd | Chesham | 2021 |
| Headstart Care Limited | Hailsham | 2023 |
| Headstart Foundation | Bury St. Edmunds | 2025 |
| Headstretch Ltd | London | 2012 |
| Headstretch Records Ltd | London | 2013 |
| Headstrong Coaching Limited | London | 2024 |
| Headup Ltd | Winchester | 2019 |
| Headway Holdings Limited | Torquay | 2016 |
| Headway HR Ltd | Peterborough | 2023 |
| Headway Trade Window Systems Limited | Whitstable | 2019 |
| Headway Traffic Management (IOW) Limited | Birmingham | 2014 |
| Headwise (Supported Living) Limited | Shrewsbury | 2011 |
| Heaford Services Limited | Altrincham | 1982 |
| Heah & Co Limited | London | 1988 |
| Heal Enterprise Properties Ltd | Dudley | 2022 |
| Heal Health Limited | Pinner | 2022 |
| Heal on Wheel Invest Limited | London | 2022 |
| Heal on Wheel Limited | London | 2022 |
| Heal&Healthy Ltd | London | 2021 |
| Healaugh Farm | N.Yorks | 1989 |
| Heald Mount Freehold Limited | Altrincham | 2014 |
| Healey Digital Limited | Castleford | 2014 |
| Healey Pharma (UK) Limited | London | 2019 |
| Healey Works Limited | Alton | 2024 |
| Healgrowmove Therapy Ltd | Mansfield | 2024 |
| Healing Equines Limited | Coleraine | 2020 |
| Healing Hands in the Community CIC | Portsmouth | 2024 |
| Healing Hounds Ltd | St Albans | 2021 |
| Healing Source Ltd | London | 2022 |
| Healingliquidelight Ltd | Manchester | 2024 |
| Healsprint Dynamics Ltd | London | 2025 |
| Healsun Co., Ltd | London | 2013 |
| Health & Hustle Ltd | London | 2023 |
| Health & Wellbeing Osteopathy Ltd | Solihull | 2015 |
| Health Align Ltd | Daventry | 2017 |
| Health and Hygiene (Animal Health) Limited | Loughborough | 2012 |
| Health and Safety Culture Solutions Limited | Bedford | 2023 |
| Health and Sports Ltd | London | 2023 |
| Health Choice Limited | | 2000 |
| Health Clinic Cornwall Ltd | Truro | 2020 |
| Health Edge International Limited | Bristol | 2017 |
| Health Edge South East Limited | Bristol | 2017 |
| Health Education and Lifestyle (Midlands) C.I.C. | Birmingham | 2015 |
| Health Fitness Supplements Ltd | Gateshead | 2019 |
| Health Food Products Limited | Morpeth | 2004 |
| Health Fortune Holdings Ltd | London | 2011 |
| Health Holding Group Limited | Cardiff | 2018 |
| Health Improved Limited | London | 2023 |
| Health Inn Limited | Harlow | 2015 |
| Health Innovation Kent Surrey Sussex Ltd | Worthing | 2023 |
| Health IS Life Ltd | Norwich | 2014 |
| Health Life Global Limited | London | 2021 |
| Health Lightness Ltd | St. Neots | 2023 |
| Health Metrics UK Ltd | Newbury | 2017 |
| Health Network International Limited | Cheltenham | 2009 |
| Health Parcs Ltd | Bristol | 2019 |
| Health Pilot Ltd | London | 2025 |
| Health Planning & Delivery UK Ltd | London | 2024 |
| Health Psychology Clinic Limited | London | 2014 |
| Health Qigong Federation UK Ltd | Bromley | 2010 |
| Health Quiropractico Ltd | Lymington | 2016 |
| Health Recruitment UK Limited | Milton Keynes | 2012 |
| Health Revival Expert Ltd | Welwyn | 2025 |
| Health Source International Limited | Sevenoaks | 1999 |
| Health Sources Nutrition Co., Ltd. | Beckenham | 2018 |
| Health to Drive Ltd | Bangor | 2019 |
| Health-Wise Lifestyle Limited | Northamptonshire | 2005 |
| Health-Wise Products Limited | Northamptonshire | 2002 |
| Healthcare at Home (Europe) Limited | London | 2008 |
| Healthcare at Home Limited | London | 2019 |
| Healthcare Environment Consultants Limited | Tain | 2009 |
| Healthcare Films Limited | Harrow | 2009 |
| Healthcare Foam Ltd | Dewsbury | 2025 |
| Healthcare Homes Limited | Colchester | 2015 |
| Healthcare Intermediaries Limited | Newton-Le-Willows | 2000 |
| Healthcare Ireland (NO.3) Limited | Holywood | 2025 |
| Healthcare Millenium Limited | Maidenhead | 2013 |
| Healthcare Pharmacia Limited | Birmingham | 2019 |
| Healthcare Property Nominee Company NO 1 Limited | Altrincham | 2022 |
| Healthcare Property Nominee Company NO 2 Limited | Altrincham | 2022 |
| Healthcare Risk Management Limited | London | 1992 |
| Healthcare Staffing Group Limited | Manchester | 2008 |
| Healthcare Workers Support Ltd | Brighton & Hove | 2020 |
| Healthcare World Limited | London | 2025 |
| Healthcheck Central Ltd | Cheltenham | 2012 |
| Healthcraft Limited | Harleston | 2014 |
| Healthdominion Ltd | London | 2023 |
| Healthfootprint. Limited | Devizes | 2008 |
| Healthfull UK Limited | Louth | 2023 |
| Healthharbor Solutions Ltd | London | 2025 |
| Healthier Generations Limited | Crowmarsh Gifford | 2011 |
| Healthilife Limited | Lutterworth | 2004 |
| Healthineself Ltd | Doncaster | 2013 |
| Healthipops Limited | Canterbury | 2020 |
| Healthisgolden Limited | Leighton Buzzard | 2023 |
| Healthpinnacle Services Ltd | Edinburgh | 2025 |
| Healthports Limited | Northampton | 2012 |
| Healthpress Property Management Company Limited | Southampton | 1990 |
| Healthsense Intelligence Ltd | Cambridge | 2025 |