| Himos Hub Limited | Altrincham | 2023 |
| Hinchley Wood Learning Partnership | Esher | 2011 |
| Hinckley & Bosworth Medical Academy | Hinckley | 2017 |
| Hinckley Guitar Lessons Ltd | Hinckley | 2019 |
| Hinckley Muay Thai Ltd | Hinckley | 2026 |
| Hinckley Town Cricket Club CIC | Hinckley | 2023 |
| Hind Sight - Women Deer Land CIC | Brora | 2026 |
| Hindhead Music Centre Limited | Hampshire | 1996 |
| Hindle's Alternative Provision Limited | Bury | 2022 |
| Hindle's School of Excellence Ltd | Bury | 2018 |
| Hindley ALL Saints Kidz Club Ltd | Wigan | 2012 |
| Hindsford Community Link (NW) Limited | Atherton | 2009 |
| Hindsight Publishing Ltd | Kilmarnock | 2025 |
| Hindu Cultural and Vedic Heritage Centre Ltd | Coventry | 2023 |
| Hindu Cultural Centre Ltd | Hounslow | 2022 |
| Hine Training Ltd | Bradford | 2017 |
| Hines Harmony CIC | London | 2023 |
| Hingley Psychology Ltd | Birmingham | 2021 |
| Hinksey Trail Regeneration C.I.C. | Oxford | 2020 |
| Hinson Fitness Centre & Gym C.I.C. | Stockton-On-Tees | 2021 |
| Hinterland Limited | Stevenage | 1983 |
| Hinton/Smart and Associates Ltd | Ellesmere Port | 2023 |
| HIP and Trauma Clinic (HTC) Ltd | Fareham | 2025 |
| HIP HOP Heals Ltd. | Buckhurst Hill | 2026 |
| HIP HOP HEN Limited | Holt | 2013 |
| HIP HOP Tots Ltd | London | 2023 |
| HIP Hopera UK CIC | Croydon | 2020 |
| Hipe Kids Limited | Brighton | 2018 |
| Hipe School Limited | Brighton | 2016 |
| Hipermaths Ltd | London | 2023 |
| Hiphology Limited | London | 2008 |
| HIPHOLOGY101 CIC | London | 2022 |
| Hipperholme & Lightcliffe Day Nurseries Limited | Brighouse | 2009 |
| Hipperholme Grammar School Ltd | Halifax | 2022 |
| Hippitots Limited | Coxhoe | 2002 |
| Hippo Care Limited | Slough | 2019 |
| Hippocampus Global Limited | London | 2020 |
| Hippocrates Health Management Ltd | Cheadle | 2019 |
| Hippocrates Initiative for Poetry and Medicine CIC | Glasgow | 2023 |
| Hippocratix Ltd | Sutton Coldfield | 2019 |
| Hippocratv Ltd | Milton Keynes | 2016 |
| Hippolingo Ltd | London | 2023 |
| Hips Consulting CIC | London | 2025 |
| Hiqmat Ltd | Lincoln | 2025 |
| Hiqual UK Ltd | London | 2023 |
| Hire Higher Limited | Camberley | 2018 |
| Hire Research Expert Ltd | Wolverhampton | 2025 |
| Hireuk Ltd | London | 2025 |
| Hirey Driving School Limited | Bolton | 2023 |
| Hiruva Ltd | London | 2024 |
| Hiruvalabs Ltd | London | 2024 |
| HIS Grace Evangelical Outreach Limited | Croydon | 2011 |
| HIS Grace Mission Ltd | Basildon | 2021 |
| Hisfame Outreach CIC | Manchester | 2020 |
| Hisp Multi Academy Trust Ltd | Eastleigh | 2011 |
| Hispanic and Luso Brazilian Council(The) | London | 1943 |
| Hispanic Centre UK Limited | London | 2021 |
| Hispanic International Education Ltd | London | 2024 |
| Hist.House Ltd | Saffron Walden | 2018 |
| Historia Education Limited | Leighton Buzzard | 2014 |
| Historic Concepts Limited | Blandford Forum | 2017 |
| Historica Training Solutions Ltd | Romney Marsh | 2011 |
| Historical Adventures Limited | Glasgow | 2006 |
| Historical Fencing Research Ltd | Stratford-Upon-Avon | 2024 |
| History Associates Limited | Harrow | 2025 |
| History Knights Initiative CIC | Luton | 2023 |
| History Knights Ltd | Luton | 2022 |
| History Makers CIC | London | 2026 |
| History Matters Limited | Nairn | 2011 |
| History Unlocked CIC | Hereford | 2025 |
| Historyriot Ltd | St. Albans | 2021 |
| HIT Alliance Community Interest Company | Southport | 2016 |
| HIT Community CIC | Abertillery | 2024 |
| HIT Education Limited | Newport | 2017 |
| HIT the Dhol CIC | Wolverhampton | 2021 |
| HIT the Grade Limited | London | 2024 |
| HIT the High Notes Ltd | Godstone | 2019 |
| HIT Training Ltd | Shoreham-By-Sea | 2025 |
| Hitan Platform Ltd | London | 2024 |
| Hitch Pro Academy Ltd | Aylesbury | 2025 |
| Hitchen Equestrian Services Ltd | Wigan | 2023 |
| Hitchin Boys' School | Hitchin | 2012 |
| Hitchin Creative CIC | Hitchin | 2022 |
| Hitchin Girls' School | Hitchin | 2011 |
| Hitchin House Day Nursery Ltd | London | 2019 |
| Hitchin Language Centre Ltd. | Hitchin | 1995 |
| Hitchin Music Classes Limited | Waterlooville | 2023 |
| Hitec Education Centre Ltd. | Moira | 2013 |
| Hitech Learning & Education Ltd | Ashford | 2019 |
| Hither Green Day Nursery Limited | London | 2022 |
| Hiticx Ltd | London | 2024 |
| Hitide Gymnastics Club Limited | Brighton | 2021 |
| Hito Academy Limited | Bolton | 2025 |
| Hitting the Sweet Spot CIC | Hastings | 2024 |
| Hive Academy UK Ltd | Manchester | 2023 |
| Hive Bradford | Shipley | 2003 |
| Hive Cancer Support | Derry | 2018 |
| Hive Coaching Limited | Bo'Ness | 2025 |
| Hive Corporation Limited | Edgware | 2020 |
| Hive Day Nursery and Preschool Ltd | Southampton | 2024 |