| Halesowen Skip Hire Ltd | Netherton, | 2025 |
| Hall Farm Barns (Drinkstone) Management Company Limited | Bury St. Edmunds | 2009 |
| Hall Vantage Limited | Gravesend | 1984 |
| Hallstone Developments Limited | York | 1995 |
| Halo Battery Recycling Limited | Wolverhampton | 2021 |
| Halo OIL Limited | Woodbridge | 2019 |
| Halo Skip Hire Limited | Swaffham | 2025 |
| Halo Waste Management Limited | Swaffham | 2025 |
| Halocycle Limited | Hull | 2020 |
| Halsted Rain Limited | London | 2008 |
| Hamac Recycling Limited | Ballymena | 2021 |
| Hamer's Plumbing & Drainage Ltd | Blackpool | 2019 |
| Hamilton Industrial Services Limited | Glasgow | 2005 |
| Hamilton Mcilroy Smith JNR Recycling Limited | Glenrothes | 2015 |
| Hamilton of Drem Limited | North Berwick | 2012 |
| Hamilton Tarmac Limited | Hurlford | 2012 |
| Hamilton Waste & Recycling Limited | Glasgow | 2002 |
| Hammond P&Eica Commissioning Ltd | Pontefract | 2025 |
| Hammond Recycling Limited | Walsall | 1999 |
| Hammond Skip Hire Limited | Walsall | 2010 |
| Hampshire Event Loos Limited | Salisbury | 2024 |
| Hampshire House Clearances Limited | Eastleigh | 2013 |
| Hampshire Pipework Limited | Southampton | 2023 |
| Hampshire Skip Bags Limited | Southampton | 2015 |
| Hampshire Tankers Ltd | Liphook | 2025 |
| Hampshire Waste Clearance Services Limited | Waterlooville | 2014 |
| Hampshire Waste Services Limited | London | 1990 |
| Hampton Waste Management Ltd | Coventry | 2017 |
| Hamton Metals Management Services Limited | Hornchurch | 1996 |
| Hancock Waste Management Ltd | London | 2026 |
| Hands on Goods Logistics Ltd | London | 2020 |
| Handy Removals Limited | Wembley | 2025 |
| Handy SAM Property Maintenance Ltd | Gateshead | 2025 |
| Hanecka Ltd | Northolt | 2017 |
| Hani Transport Ltd | Dagenham | 2021 |
| Hankelow Hall (New Homes) Residents Management Limited | Crewe | 2013 |
| Hanmore and Family Ltd | Snodland | 2021 |
| Hanna Greenwich International Ltd. | London | 2015 |
| Happy Days Property Recovery Ltd | Colchester | 2023 |
| Happy Earth Soil Ltd | London | 2020 |
| Happy Junk Ltd | Maidstone | 2024 |
| Happy Scrappers Ltd | Leeds | 2023 |
| Happy Services London Ltd | Buckhurst Hill | 2020 |
| Happy-Helpful-Company Ltd | Southampton | 2025 |
| Hapton Trading Limited | Blackburn | 2013 |
| Harby Agriculture Limited | Melton Mowbray | 2005 |
| Harco Transport Solutions Ltd | Glasgow | 2019 |
| Harding Environmental Limited | Clitheroe | 2005 |
| Harding Waste Co Limited | Leigh-On-Sea | 2026 |
| Hardingflow Ltd | Essex | 2026 |
| Hardmans Work Related Services Limited | Bury | 2014 |
| Hardrock Group NW Ltd | Liverpool | 2021 |
| Hardrock Services Ltd | London | 2025 |
| Hardspore Mould Remediation Ltd | London | 2025 |
| Hardy Drainage Limited | Sevenoaks | 2011 |
| Hardy Utilities Ltd | Huddersfield | 2020 |
| Hare Contracts Ltd | Seaham | 2021 |
| Hargreaves Environmental Services Limited | Durham | 2024 |
| Hargreaves Waste Management Services Limited | Durham | 2024 |
| Harikrushna Export Import Ltd | Hatfield | 2026 |
| Hariom Merchants Ltd | London | 2010 |
| Harkenn Limited | Spalding | 2010 |
| Harley Waste Management & Recovery Limited | Warminster | 2013 |
| Harn Trading Limited | Harlow | 2015 |
| Harp Gardens Limited | Melton Mowbray | 2025 |
| Harpers Waste Limited | Willenhall | 2014 |
| Harrier Grabs Limited | Harold Wood | 2008 |
| Harrimet Limited | Doncaster | 2015 |
| Harris Waste Management UK Limited | Tewkesbury | 2012 |
| Harris Waste Solutions Ltd | Bury | 2026 |
| Harrison Civils Limited | Loughton | 2009 |
| Harrison Recycling Limited | Nottingham | 2023 |
| Harrison Skip Hire Limited | Nottingham | 2023 |
| Harrison's Waste Management Ltd | Wallsend | 2024 |
| Harrison’S Skip Hire Ltd | Wigan | 2022 |
| Harrys Grab Ltd | Rotherham | 2022 |
| Harshit General Trading Company Ltd | Cardiff | 2025 |
| Hart Excavations Limited | Hemel Hempstead | 2008 |
| Hart Waste and Recycling Services Ltd | London | 2019 |
| Hartes Food Waste Ltd | London | 2023 |
| Harthill Groundwork Ltd | Rossendale | 2025 |
| Hartlepool Manufacturing Ltd | | 1947 |
| Hartley Contracting Services Limited | Farnham | 1998 |
| Hartley Tanker Services Limited | Basingstoke | 2016 |
| Hartley View Management Co. Limited | Alton | 1992 |
| Harts Waste & Asbestos Removal Ltd | London | 2021 |
| Harvey Clearance and Maintenance Ltd | Shanklin | 2024 |
| Harvey Clearance IW Limited | Shanklin | 2026 |
| Harvey Waste Management Ltd | Margate | 2023 |
| Harvey's Waste Removal Limited | Bridlington | 2021 |
| Harwood Scrap and Skip Hire Ltd | Blackburn | 2019 |
| Harwood Solutions Ltd | London | 2026 |
| Harworth Surface Water Management (Bardon) Limited | Rotherham | 2022 |
| Harworth Surface Water Management (Chatterley Park) Limited | Rotherham | 2025 |
| Harworth Surface Water Management (North West) Limited | Rotherham | 2016 |
| Hary Porter Trade Ltd | Dartford | 2015 |
| Hasan Trading Ltd | London | 2022 |
| Hashtagbar Paisley Ltd | Paisley | 2023 |
| Hassan Ahmed Ltd | Hounslow | 2026 |
| Hastings & Bexhill Wood Recycling Limited | Rye | 2012 |