| Hills Residential Limited | Waltham Abbey | 2008 |
| Hills Waste Collection Limited | Swindon | 2001 |
| Hills Waste Disposal Limited | Swindon | 1934 |
| Hills Waste Limited | Swindon | 2001 |
| Hills Woodland Limited | Colchester | 2022 |
| Hillsborough Court Management Company (N.I.) Ltd | Belfast | 2000 |
| Hillsborough Golf Resort Limited | London | 2016 |
| Hillsborough House Hotel & County Club Limited | London | 2016 |
| Hillsborough Manor Management Company Limited | Belfast | 2000 |
| Hillsdon Construction Limited | Wantage | 2002 |
| Hillserve Limited | Windsor | 1985 |
| Hillside Associates Limited | Cardiff | 2026 |
| Hillside Civil Engineering Ltd | Leeds | 2019 |
| Hillside Engineering Services Ltd | Huddersfield | 2024 |
| Hillside Honey Ltd | Glossop | 2025 |
| Hillside House Portstewart Management Company Limited | County Londonderry | 2003 |
| Hillside Mill Environmental Limited | London | 2008 |
| Hillside Radlett Freehold Ltd | Radlett | 2025 |
| Hillside Road Property Limited | Warrington | 1999 |
| Hillside Stud Ltd | Hungerford | 2017 |
| Hillside Technical Services Limited | Chippenham | 2011 |
| Hillsyde Foundry (Staffordshire) Limited | Newcastle Under Lyme | 2000 |
| Hilltop Community Equestrian Centre Limited | Kingston Upon Hull | 2008 |
| Hilltop Farm Supplies Ltd | Portadown | 2006 |
| Hilltop Honey Limited | Newtown | 2026 |
| Hilltop Hotel Limited | London | 2016 |
| Hilltop Restaurant (Firsdown) Limited | Salisbury | 2007 |
| Hilltown Hides | Dromore | 1989 |
| Hilltown Ltd | Maidstone | 2022 |
| Hillvilla Estates Limited | Salford | 2015 |
| Hillwood Investments Limited | Loanhead | 1907 |
| Hilschman Fragrances Limited | West Midlands, England, | 2023 |
| Hilsie Medicare Ltd | Kent | 2011 |
| Hilta Plant Limited | Shrewsbury | 1995 |
| Hiltfields (Processing) Limited | Attleborough | 1991 |
| Hiltfields Ingredients Limited | Attleborough | 2000 |
| Hiltfields Machinery Limited | Oldham | 2014 |
| Hilton Abbey Decorating Contractors Limited | Greenwich | 2000 |
| Hilton Building Services (Projects) Limited | | 1931 |
| Hilton Coach Travel Limited | Merseyside | 2006 |
| Hilton Energy and Thermal Technology Limited | Andover | 1994 |
| Hilton Food Group (Europe) Limited | Belfast | 2002 |
| Hilton Food.Com Limited | Belfast | 2000 |
| Hilton Foods Asia Pacific Limited | Huntingdon | 2012 |
| Hilton Forecourts Limited | Blackburn | 2010 |
| Hilton Group Limited | Ilfracombe | 2018 |
| Hilton Meats Holland Limited | Belfast | 1999 |
| Hilton Place 1969 Limited | Wigan | 2014 |
| Hilton Pools Limited | Industrial Estate Neston | 2004 |
| Hilton Property Holdings Limited | Birmingham | 1957 |
| Hilton Seafood UK Limited | Huntingdon | 2023 |
| Hilton Services Limited | Huntingdon | 2023 |
| Hilton Spas Limited | Neston | 2003 |
| Hilton Wellness Limited | Industrial Estate Neston | 2004 |
| Hilton.K Limited | Warrington | 2025 |
| Hiltree Limited | London | 2023 |
| Hiltshore Limited | London | 1993 |
| Himalayan Fusion Kitchen Ltd | London | 2025 |
| Himalayan International Holdings Ltd | London | 2019 |
| Himatina Trading Limited | Beckenham | 2014 |
| Himmat Care Ltd | Manchester | 2021 |
| Himmelreich Limited | London | 2021 |
| Himpeks Global Limited | Blackpool | 2025 |
| Himself Limited | Preston | 2006 |
| Hina YUI Takawafari Ltd | London | 2022 |
| Hinckley & Bosworth Development Limited | Hinckley | 2015 |
| Hinckley & Hunt Executor Company Limited | Manchester | 2003 |
| Hinckley Van Rental Limited | Hinckley | 2018 |
| Hindenburg Ltd | Derby | 2012 |
| Hinds Specialist Transport Limited | Warrington | 2008 |
| Hindu Funeral Service Limited | Sutton Coldfield | 1995 |
| Hindu Limited | Harrogate | 2026 |
| Hine Marketing Ltd | Gloucester | 2008 |
| Hines Co., Ltd | London | 2019 |
| Hingorani-Crain Limited | London | 2017 |
| Hinix Industry and Trade Co Ltd | Kenilworth | 2017 |
| Hinkley Point Steel Limited | Swansea | 2013 |
| Hinson Software Ltd | Swansea | 2010 |
| Hintech Ltd | Barnsley | 2024 |
| Hinxton Land Limited | Waltham Abbey | 2008 |
| Hioness Wellness Ltd | London | 2023 |
| HIP Hot Limited | Henley On Thames | 2009 |
| Hip-Hop Back in the Day Ltd | London | 2014 |
| Hipartner Manufacturing (HK) Co., Limited | Manchester | 2022 |
| Hiper Supply Chain Management Co., Ltd | Kenilworth | 2018 |
| HIPER3CONTINENTS Limited | Bradford | 2019 |
| Hipp-E Limited | Grimsby | 2014 |
| Hippalus Ltd | Dorset | 2022 |
| Hipper Marine Ltd | London | 2023 |
| Hippocratech Ltd | Milton Keynes | 2021 |
| Hippotrix Ltd | Dunbar | 2012 |
| Hipps Estate Agents Limited | Guildford | 2005 |
| Hipro Heating Limited | Wakefield | 2019 |
| Hipster Beer Company Limited | Cobham | 2015 |
| Hiptf Ltd | London | 2019 |
| Hipwood & Grundy Limited | Cheadle | 1926 |
| Hire a Car Limited | Penn | 2006 |
| Hire a Copier Limited | London | 2013 |
| Hire a MOG Ltd | Belfast | 2022 |
| Hire an Illustrator Ltd | Leicester | 2021 |