| Holdex (Supplies) Limited | Blackburn | 1971 |
| Holdfast (Funerals) Limited | Carrickfergus | 1973 |
| Holdfast Level Crossings Limited | Ross-On-Wye | 2009 |
| Holdglade Limited | London | 2015 |
| Holding 33 Ltd | Cardiff | 2025 |
| Holding Down Bolts Ltd | Colchester | 2018 |
| Holding Sevens Limited | Silverstone | 2025 |
| Holdingham Group Limited | London | 2011 |
| Holdings of Oswaldtwistle Limited | Accrington | 1985 |
| Holdsure Limited | London | 2016 |
| Holdsworth Consulting Limited | London | 2010 |
| Holdsworth Properties Ltd | London | 2001 |
| Holdsworth Removals Limited | Leeds | 1976 |
| Holdsworth-Vaughan Management Ltd. | Beaconsfield | 2013 |
| Holdtite Products Limited | Dudley | 1998 |
| Hole and Davigdor Energy Ltd | Southwick | 2012 |
| Holex Ltd | Bristol | 2010 |
| Holgate Construction Limited | Keighley | 1990 |
| Holi Estates Limited | London | 2024 |
| Holi Fashion Limited | Weybridge | 2013 |
| Holicity Ltd | Burnham-On-Crouch | 2011 |
| Holiday Accommodation Overseas Limited | Manchester | 2025 |
| Holiday Cottage Experts Ltd | Altrincham | 2014 |
| Holiday Cottage Housekeeping Ltd. | Altrincham | 2014 |
| Holiday Cottages (Polperro) Limited | Luton | 2007 |
| Holiday Direct Limited | London | 2024 |
| Holiday Discount Centre Limited | Gateshead | 2011 |
| Holiday Flats Limited | Coventry | 2013 |
| Holiday Genie Limited | Reading | 2005 |
| Holiday Marketplace Ltd | Radstock | 2020 |
| Holiday Property Bond Limited | Newmarket | 1981 |
| Holiday Taxis Limited | Brighton | 2017 |
| Holiday Xtras Limited | Kent | 1994 |
| Holidayboom Limited | Leicester | 2010 |
| Holidaygenie.Com Limited | Reading | 2006 |
| Holidayhomelistings Ltd | Chesterfield | 2008 |
| Holidays in Britain Ltd | Cheltenham | 2021 |
| Holidays UN Limited | Swansea | 2013 |
| Holidays With Help | Todmorden | 2000 |
| Holidayz Ltd | Petersfield | 2015 |
| Holip Construction Limited | Stoke-On-Trent | 2019 |
| Holip Developments Ltd | Stoke-On-Trent | 2019 |
| Holistic (NW) Limited | Wilmslow | 2017 |
| Holistic Being Ltd | Haverfordwest | 2024 |
| Holistic Business Solutions Ltd | Kington | 2023 |
| Holistic Care Pathways(Retford) Limited | Upton-Upon-Severn | 2018 |
| Holistic Education Consultancy Limited | Shrewsbury | 2015 |
| Holistic Family Mediation Ltd | Leicester | 2021 |
| Holistic Governance Consulting Limited | Notts | 2007 |
| Holistic Hair Co Limited | Bourton On The Water | 2018 |
| Holistic Hounds Limited | Bracknell | 2020 |
| Holistic Life 23 Ltd | London | 2023 |
| Holistic Paediatric Ltd | Colwall | 2024 |
| Holistic Zone Training Academy Ltd | London | 2019 |
| Holistical Ltd | London | 2021 |
| Holistically Ginger Ltd | Burgess Hill | 2015 |
| Holisticharbor Partners Ltd | London | 2025 |
| Holisticheal Hub Ltd | London | 2025 |
| Holitec Broadband Ltd | North Walsham | 2012 |
| Holkham Estate Trust Company NO. 1 Limited | Wells-Next-The- Sea | 2022 |
| Holkham Estate Trust Company NO. 2 Limited | Wells-Next-The- Sea | 2022 |
| Holkham Estate Trust Company NO. 3 Limited | Wells-Next-The- Sea | 2022 |
| Holkham Estate Trust Company NO. 4 Limited | Wells-Next-The- Sea | 2022 |
| Hollaender Rainer Limited | Walsall | 1980 |
| Holland Ekompany Agro Co., Ltd | London | 2017 |
| Holland Fanzuo Chymistry Industry Ltd | Cardiff | 2020 |
| Holland Farm Internationality Co., Ltd. | London | 2022 |
| Holland Group Limited | London | 2020 |
| Holland Hannen & Cubitts Limited | London | 2009 |
| Holland Jack and K Microbiological Co., Ltd | Kington | 2024 |
| Holland Motor Spares Limited | Sheffield | 2010 |
| Holland Rost Chemical Group Co., Ltd | London | 2021 |
| Hollands Country Clothing Limited | Stockport | 2024 |
| Hollands Farms D Limited | Stinsford | 2007 |
| Hollands Long Coats Limited | Stockport | 2024 |
| Hollands Workwear Limited | Stockport | 2024 |
| Hollathans Limited | Stanley | 2000 |
| Hollegold Ltd | Manchester | 2023 |
| Hollie MAE Ltd | Towcester | 2021 |
| Hollies Development Kingswood Ltd | Bristol | 2014 |
| Hollies Flats Management Limited | Leeds | 2014 |
| Hollieslocks Salon Limited | Stanford-Le-Hope | 2022 |
| Hollin Lane Estates Limited | Cheshire | 2000 |
| Hollindawe Limited | Bedford | 1973 |
| Hollinger Consulting Limited | Norwich | 2006 |
| Hollingsworth Bros.,Limited | Mirfield | 1947 |
| Hollingwood Ryder Limited | Cardiff | 2026 |
| Hollins 1964 Limited | Bury | 2013 |
| Hollins Park Estates Management Limited | Bridgnorth | 2006 |
| Hollis Group Limited | London | 2024 |
| Hollow Core Systems (Mid-East) Limited | Kent | 1974 |
| Hollow Mills Management Co Ltd | Ballyclare | 2006 |
| Hollow Section Limited | Riversway, Preston | 2007 |
| Holloway 1956 Limited | London | 2013 |
| Hollowstone Limited | Huntingdon | 2000 |
| Hollowtree Supply Ltd | Doncaster | 2026 |
| Hollsun Import & Export Co., Ltd | Stafford, | 2015 |
| Holly Close 1967 Limited | Willenhall | 2014 |
| Holly Heights Company Limited | Cookstown | 2020 |
| Holly Hill Centre Ltd | Gateshead | 2015 |