| Heather RTM Company Limited | Bushey | 2026 |
| Heatherdene Enterprises Limited | Coleshill | 2021 |
| Heatherlands Management Company Limited | Ascot | 1990 |
| Heatherville Ltd | Salford | 2005 |
| Heathfield and Company Lighting Ltd | Kent | 2002 |
| Heathfield Homes Construction Limited | Hertfordshire | 1986 |
| Heathfield Road Management Company Limited | London | 2007 |
| Heathfield Terminal Company Limited | Devon | 1978 |
| Heathfield Windows Ltd | Taunton | 2011 |
| Heathfielde Residents Limited | London | 2011 |
| Heathland 1968 Limited | Stockport | 2014 |
| Heathlands Nominee Co 1 Limited | Slough | 2015 |
| Heathlands Nominee Co 2 Limited | Slough | 2015 |
| Heathmount Management Company Limited | | 2005 |
| Heathrow Aviation Services Limited | London | 1996 |
| Heathrow Vehicle Hire Ltd | West Drayton | 1996 |
| Heathside Veterinary Practice Limited | Bristol | 2001 |
| Heathub Limited | Leek | 2015 |
| Heathvale (Farnham) Residents Company Limited | Farnham | 1985 |
| Heathway 1963 Limited | Derby | 2014 |
| Heathway Pharmacy Limited | Birmingham | 2002 |
| Heathwood Homes Limited | Yateley | 2017 |
| Heathwood Land Limited | Liverpool | 2007 |
| Heating and Renewable Technologies Limited | Portsmouth | 2024 |
| Heating Plumbing Supplies Group Limited | Stockton Heath | 2011 |
| Heating Plumbing Supplies Limited | Stockton Heath | 2001 |
| Heating Solutions Yorkshire Limited | Burnley | 2010 |
| Heating Studio Limited | Stockton Heath | 1949 |
| Heating Supermarket Limited | Pontefract | 2010 |
| Heating Support Limited | Normanton | 2005 |
| Heatkey Ltd | Wrexham | 2013 |
| Heatking Limited | Bradford | 2004 |
| Heaton BHP Enterprises Ltd | London | 2021 |
| Heaton Lumb Lisle Limited | Leeds | 1991 |
| Heaton Mint Limited | Birmingham | 2020 |
| Heatrae Sadia Heating Limited | Warwick | 1936 |
| Heatsource Commercial Ltd | Uppingham | 2015 |
| Heatsource Plumbing & Heating Services Ltd | Edinburgh | 2019 |
| Heatwave Electrical & Renewables Ltd | Sherborne | 2019 |
| Heatwave Print Ltd | Hastings | 2018 |
| Heaty Feeties Limited | London | 2024 |
| Heaven Beauty Boutique Staines Limited | Egham | 2016 |
| Heaven Idol Ltd | Altham, Burnley | 2024 |
| Heaven Piercings Ltd | Reading | 2023 |
| Heaven Skincare Limited | Shifnal | 2013 |
| HEAVEN13 Ltd. | London | 2022 |
| Heavenland Limited | Angmering | 1979 |
| Heavenly Daze Investments Limited | Wimborne | 2017 |
| Heavenly Footage Limited | Felixstowe | 2020 |
| Heavenly House Cleaners Limited | Northwich | 2018 |
| Heavenly Pets Direct Limited | Cambridgeshire | 1999 |
| Heavenly Songs Limited | Leeds | 2009 |
| Heavenly Stars Fireworks Limited | Colchester | 2007 |
| Heavens Gateway Limited | London | 2011 |
| Heavenstone Landscapes Limited | Gravesend | 2022 |
| Heavy Metalworkz Ltd | London | 2022 |
| Heavy Vehicle Systems Limited | Glasgow | 2024 |
| Hebden Sarnies Ltd | Clevedon | 2021 |
| Hebei Canghai Heavy Industry Co., Ltd | Stafford, | 2013 |
| Hebei Ellson Ceilings Industry Co., Ltd | London | 2019 |
| Hebei Fangke New Material Technology Co., Ltd. | Cambridge | 2022 |
| Hebei Fobearings Trading Co., Ltd | Beckenham | 2020 |
| Hebei Huiqun Industrial Co., Ltd | Cambridge | 2012 |
| Hebei Kaixuan Industrial Co., Ltd | Beckenham | 2021 |
| Hebei Lisionz Fastener Manufacturing Co Ltd | London | 2018 |
| Hebei Renire OIL Pipeline Equipment Co., Limited | London | 2017 |
| Hebei Sooin Trade Co., Ltd | Beckenham | 2023 |
| Hebei Tobee Pump Co., Limited | Beckenham | 2023 |
| Hebei Tomato Industry Co., Limited | London | 2013 |
| Hebei XIE CHU Import & Export Co., Ltd | Beckenham | 2018 |
| Hebei Yicheng Technology Co., Ltd | Beckenham | 2019 |
| Hebei Zb-Gamay Biological Technology Co., Ltd | Beckenham | 2023 |
| Hebei Zhaokun Trade Co., Ltd | Beckenham | 2023 |
| Hebnar Pneu Tover Ltd | Beckenham | 2015 |
| Hebo Bicycle Co., Ltd | Cambridge | 2021 |
| Hebotech Ltd | Manchester | 2024 |
| Hebridean Contract Solutions Ltd | Isle Of South Uist | 2010 |
| Hebridean Hire Limited | Stornoway | 2014 |
| Hebridean Holidays Limited | Kilmarnock | 1991 |
| Hebridean Limited | Isle Of North Uist | 2005 |
| Hebrides Community Hydrogen Ltd | Stornoway | 2021 |
| Hebunlams World Limited | Basildon | 2023 |
| Hecce Ltd | London | 2025 |
| Hecht Pfeiffer Limited | Berkshire | 1985 |
| Heck Group Ltd | Manchester | 2023 |
| Heckford House Ltd | Beckenham | 2016 |
| Heckford Norton Services Limited | Stevenage | 2013 |
| Heckmann Group Ltd | Manchester | 2023 |
| Hecor Indoor Space Technology Co., Ltd | Beckenham | 2025 |
| Hecoteck Ltd | Nottingham | 2020 |
| Hectagon Assets 1 Limited | London | 2017 |
| Hectagon Assets 2 Limited | London | 2017 |
| Hectagon Assets 3 Limited | London | 2017 |
| Hector Hound Holdings UK Limited | St. Ives | 2008 |
| HED Ventures Limited | Beckenham | 2011 |
| Heddon 62 Limited | Bedlington | 2013 |
| Hedelund Invest Limited | London | 2020 |
| Hedge END Golf Centre Limited | Cosham | 2003 |
| Hedge Nominees 2 Ltd | Salford | 2019 |
| Hedge Nominees Ltd | Manchester | 2016 |