| Hamsard 3831 NOT Required Limited | London | 2025 |
| Hamsard 3832 Limited | Birmingham | 2025 |
| Hamsard 3833 Limited | Birmingham | 2025 |
| Hamsard 3834 Limited | Birmingham | 2026 |
| Hamsard 3835 Limited | London | 2026 |
| Hamsard 3838 Limited | London | 2026 |
| Hamsard 3839 Limited | Birmingham | 2026 |
| Hamsard 3841 Limited | Birmingham | 2026 |
| Hamsard 3842 Limited | Birmingham | 2026 |
| Hamsard 3843 Limited | Birmingham | 2026 |
| Hamsard 3844 Limited | Birmingham | 2026 |
| Hamsard 3845 Limited | Birmingham | 2026 |
| Hamsard 3846 Limited | Birmingham | 2026 |
| Hamsard 3847 Limited | Birmingham | 2026 |
| Hamsard 3848 Limited | Birmingham | 2026 |
| Hamsol Limited | Brierley Hill | 1985 |
| Hamsterley Cycle Hire Limited | Durham | 2006 |
| Hamsterley Forest Cycle Hire Limited | Durham | 2006 |
| Hamstreet Pharmacy Limited | Ashford | 2007 |
| Hamworthy Heating Limited | Hull | 1988 |
| Hamzah Mart Limited | Isle Of North Uist | 2024 |
| HAN Zhiyun Wool Weaving Factory Ltd | Beckenham | 2021 |
| HAN1F Limited | Harrogate | 2018 |
| Hanara Management Ltd | Edinburgh | 2012 |
| Hanatomic Engineering Support Limited | Pangbourne | 1997 |
| Hanax & Co Limited | Wallsend | 2023 |
| Hanberry & Co Limited | Harrow | 2010 |
| Hanbury Bloodstock Limited | Burton-On-Trent | 2024 |
| Hanbury Racing Limited | Burton-On-Trent | 2024 |
| Hanbury Riverside Ltd | London | 2018 |
| Hancheng Industrial Co., Ltd | London | 2015 |
| Hancock Properties (NI) Ltd | Magherafelt | 2011 |
| Hand Cooked Snacks Limited | Tipton | 2011 |
| Hand Dryers Direct Limited | Oxford | 2019 |
| Hand Forged Limited | Llandrindod Wells | 2005 |
| Hand Held Pc's Ltd | Newark | 2002 |
| Hand in Hand HR Ltd | Hemel Hempstead | 2020 |
| Hand Made Places Limited | Newcastle Under Lyme | 1998 |
| Hand Made Spaces Limited | Poole | 2007 |
| Hand of Hart Cards Ltd | Kidderminster | 2025 |
| Hand Picked Developments Limited | Warwick | 2013 |
| Hand-E-Pix Limited | Newark | 2008 |
| Handan Jingjiang Fastener Co., Ltd | London | 2018 |
| Handan Qifeng Carbon Co., Ltd | London | 2019 |
| Handan Ruisu Fastener Manufacturing Co., Ltd | Cambridge | 2019 |
| Handedly Ltd | High Wycombe | 2024 |
| Handee Feet Ltd | Stone | 2025 |
| Handelsbanken Healthcare CT Limited | London | 2025 |
| Handforce Limited | Cheshire | 1960 |
| Handford Property Holdings Ltd | Leamington Spa | 2022 |
| Handglove Limited | Beckenham | 2023 |
| Handheld Solutions Limited | Newark | 2013 |
| Handicapped Living Centres Limited | | 1993 |
| Handiproducts Ltd | Kent | 2002 |
| Handled With Care Therapies Ltd | Luton | 2024 |
| Handles & Hinges Ltd | Bolton | 2005 |
| Handles and Knobs Direct Limited | Evesham | 2015 |
| Handles and Locks Ltd | County Armagh | 2008 |
| Handles Direct Ltd | Batley | 2019 |
| Handley Aerials Ltd | Colne | 2016 |
| Handley Heating Services Limited | Banbridge | 2004 |
| Handley Page Limited | St. Albans | 2007 |
| Handley Street 1958 Limited | Sleaford | 2014 |
| Handling Equipment on Line Ltd | Stourbridge | 2006 |
| Handling Equipment Shop Ltd | Lye | 2009 |
| Handmade by Hayes Limited | Barnet | 2021 |
| Handmade Happiness Ltd | Bristol | 2022 |
| Handmade in Thailand Ltd | London | 2016 |
| Handmade Kitchens Limited | Luton | 1999 |
| Handpiece Express Limited | Witham | 2014 |
| Handrail-Mesh Limited | Manchester | 2009 |
| Hands Free Limited | Harrogate | 2013 |
| Hands Investments Limited | | 2005 |
| Hands of Time (Holdings) Ltd | Winchester | 2023 |
| Hands of Time Limited | Leeds | 2022 |
| Hands on PGE Limited | Chippenham | 2018 |
| Handsome Cabs Ltd | Lincoln | 2017 |
| Handsome Hands Limited | | 2004 |
| Handsome Limited | Harrogate | 2025 |
| Handson Relocations Ltd | St. Leonards-On-Sea | 2023 |
| Handy Dryers Limited | Bishop'S Stortford | 2018 |
| Handy JOE Limited | London | 2023 |
| Handy Multiservice UK Ltd | Birmingham | 2019 |
| Handy Tyres Limited | Exminster | 2021 |
| Handy Web Guide Limited | Stroud | 1995 |
| Handyandybuilders Limited | Crickhowell | 2015 |
| Handyman in London Limited | Telford | 2018 |
| Handyman-It Ltd | Edinburgh | 2024 |
| Hanford Limited | Salisbury | 1992 |
| Hang Corporation Limited | Newport | 2021 |
| Hang IT UP in Style Ltd | Rugby | 2016 |
| Hangao (UK) Group Ltd | Beckenham | 2018 |
| Hangar 7 Limited | Macclesfield | 2009 |
| Hangar North Limited | York | 2022 |
| Hanger Lane Holdings Limited | High Wycombe | 1968 |
| Hangerglide Limited | Castleford | 2000 |
| Hanghaijia Worldwide Shipping Service Co., Ltd | London | 2014 |
| Hangleton Limited | Worthing | 2018 |
| Hanglin Family Holdings Limited | Glasgow | 2024 |
| Hangou Trading Co., Ltd | Beckenham | 2022 |