| Linktip Limited | Northampton | 1979 |
| Linkup MCR Ltd | Rochdale | 2023 |
| Linnea Limited | Cardiff | 2012 |
| Linnell Drainage Limited | Gillingham | 2024 |
| Linooil Ltd | Birmingham | 2026 |
| Lion Management NW Ltd | Salford | 2023 |
| Lion Recycling Ltd | London | 2026 |
| Lion Waste Ltd | Redhill | 2025 |
| Lion Waste Services Ltd | Bury | 2017 |
| Liqitomic Limited | Edinburgh | 2025 |
| Liquid Waste Limited | Belfast | 2012 |
| Liquid Waste Recycling Ltd | Potters Bar | 2025 |
| Liquidons Limited | Peterborough | 2021 |
| Liquiline Road Tanker Hire Limited | Cardiff | 2020 |
| Liquiline Water Services Ltd | Cardiff | 2020 |
| Liquiline Water Tanker Hire Ltd | Cardiff | 2020 |
| Liquiline Water Tanker Services Ltd | Cardiff | 2020 |
| Liquorice Holdings Limited | Colchester | 2020 |
| LIS (North Western) Limited | St. Helens | 1999 |
| Lister Recycling & Waste Management Limited | Consett | 2015 |
| Lita Skip Hire Limited | West Drayton | 2026 |
| Lithium Battery Containers Limited | Warrington | 2024 |
| Lithium Battery Recyclers Limited | Walton | 2023 |
| Lithium Salvage UK Limited | Wolsingham | 2021 |
| Lithiumrec Ltd | Princes Risborough | 2025 |
| Litta App Limited | Borehamwood | 2017 |
| Litter ME Removals Ltd | Rugeley | 2026 |
| Litterbugz Ltd | Hull | 2026 |
| Litterpickers.Com Ltd | Cardigan | 2022 |
| Little Faringdon Water and Drainage Management Company Limited | Devizes | 2026 |
| Little Glebe Houghton Management Limited | Blandford Forum | 1987 |
| Little Green Monster - Clothes Recycling Community Interest Company | Preston | 2021 |
| Little Loads Ltd | Epsom | 2022 |
| Littleton AD Limited | Edinburgh | 2014 |
| Littrworks Ltd | London | 2025 |
| Littrworksglobal CIC | Cardiff | 2025 |
| LIV & Dewey Recycling UK Ltd | Barking | 2022 |
| LIV Services Ltd | London | 2022 |
| Live Spring UK Limited | London | 2024 |
| Livelee Waste and Facilities Ltd | Staines-Upon-Thames | 2021 |
| Livelee Waste Ltd | London | 2025 |
| Liver Waste Ltd | Liverpool | 2020 |
| Liverpool Aggregates Limited | Ellesmere Port | 2021 |
| Liverpool Home Help Ltd | Liverpool | 2018 |
| Liverpool Recycled Aggregates Limited | Warrington | 2004 |
| Liverpool Recycling Ltd | Warrington | 2004 |
| Liverpool Skip Hire Limited | Liverpool | 2010 |
| Liverpool Waste Removers Ltd | Liverpool | 2025 |
| Liverpool's MAN and Van Services Ltd | Liverpool | 2022 |
| Living Fuels Limited | London | 2005 |
| Living Side Homes Limited | Barking | 2025 |
| Living Water Ecosystems Ltd. | Fife | 1997 |
| Living Water Filtration Specialists Ltd | Pontypridd | 2018 |
| Lizard Marine Salvage & Exploration Ltd | Newquay | 2021 |
| Lizco Ltd | Bristol | 2011 |
| LJ Groundworks&Civils Ltd | Basildon | 2022 |
| LJ Scrap Limited | London | 2025 |
| LJ Waste & Maintenance Ltd | Southsea | 2019 |
| LJ Waste Removals Ltd | Wigan | 2024 |
| LJ Waste Services Limited | Bristol | 2026 |
| LJC Autospares Ltd | Brentwood | 2006 |
| LJS Waste Ltd | Portsmouth | 2020 |
| Lj’S Waste Disposal Ltd | Cardiff | 2026 |
| LK Clearance Ltd | Enfield | 2025 |
| LKW Services Limited | Doncaster | 2020 |
| Llantrisant Recycling Centre Limited | Pontyclun | 2015 |
| LLO Waste Brokers Ltd | Birmingham | 2025 |
| Lloyd Estates (North West) Ltd | St Asaph | 2024 |
| Lloyd Robinson Upper Tier Waste Management Limited | Birmingham | 2019 |
| Lloyd Textile Recycling (Group) Ltd | Birmingham | 2023 |
| Lloyds Metals Limited | Bolton | 2013 |
| LLT Environmental Ltd | London | 2021 |
| Llwynygog Community Co-Operative Ltd | Llanbrynmair | 2008 |
| LM Drainage Solutions Ltd | Dudley | 2025 |
| LM South Yorkshire Limited | Saltburn-By-The-Sea | 2019 |
| LM Waste Disposal Ltd | Brighton | 2025 |
| LM Waste Management Ltd | Wickford | 2016 |
| Lm&K Service Ltd | London | 2026 |
| LMB Supplies Limited | London | 1996 |
| LMB Textiles Limited | London | 2019 |
| LMD Drainage Ltd | Birmingham | 2025 |
| LMD Skip & Grab Hire Ltd | Sawbridgeworth | 2013 |
| LMD Skip Hire Limited | Weybridge | 2015 |
| LMD Waste Management Ltd | Sawbridgeworth | 2015 |
| LMH (Ayrshire) Limited | Ayr | 2017 |
| Lmvmovers Ltd | London | 2025 |
| LN Home Improvements Ltd | Clifton Moor | 2022 |
| LND Trader Ltd | London | 2025 |
| LNF Recycling Limited | Horsham | 2025 |
| LNS Environmental Ltd | Stevenage | 2025 |
| LO Clearance Limited | Southend-On-Sea | 2022 |
| Load & Go Clearance Ltd | Southampton | 2026 |
| Load & Go North East Ltd | Newcastle Upon Tyne | 2026 |
| Load & Go Waste Services Limited | Congleton | 2017 |
| Load and Drop Limited | London | 2024 |
| Load and Go Waste Ltd | London | 2025 |
| Load Away Skips Limited | London | 2025 |
| Load Lords Ltd | Bolton | 2025 |
| Load&Go Material Recycling Ltd | Hadleigh | 2021 |
| Load&Go Waste Management Ltd | Cardiff | 2019 |