| Toolbox Technical Ltd | London | 2026 |
| Toone Waste Management Ltd | Tyldesley | 2014 |
| Top Bins Skip Hire Ltd | Stowmarket | 2020 |
| Top Car Parts Ltd | West Midlands | 2024 |
| Top Clear Ltd | Poole | 2021 |
| Top HAT Occasions Limited | Staffordshire | 2003 |
| Top Rubbish Removal Ltd | Gravesend | 2023 |
| Top Spec Environmental Services Limited | Hebburn | 2014 |
| Top Waste Clearance Ltd | London | 2023 |
| Top Waste Ltd | High Wycombe | 2019 |
| Top Wasters Ltd | Dagenham | 2019 |
| Topland Couriers Limited | Peterborough | 2026 |
| Topp Builds Maintenance Ltd | London | 2022 |
| TOR Water Limited | Cardiff | 2016 |
| TOR2 Limited | London | 2010 |
| Torbay Scrapstore CIC | Torquay | 2023 |
| Torbay Shopfitters Limited | Exeter | 1964 |
| Torecycle Limited | Chertsey | 2017 |
| Torelli (NI) Ltd | Cookstown | 2008 |
| Toric Mobile Services Limited | Snodland | 1977 |
| Torin Group Ltd | Woking | 2025 |
| Torque Research Ltd | Cardiff | 2017 |
| Torrent Drainage Services Limited | Dorchester | 2021 |
| Torus Civils Limited | Liverpool | 2017 |
| Total Access Enviro Ltd | Shrewsbury | 2026 |
| Total Asbestos Control Limited | Hadfield | 2008 |
| Total Clearance Services Ltd | Milton Keynes | 2025 |
| Total Clearance Swindon Ltd | Swindon | 2025 |
| Total Commodities Limited | Stanmore | 2007 |
| Total Conservation Management Limited | Barrow-In-Furness | 2015 |
| Total Constructions & Management Limited | Uxbridge | 2024 |
| Total Decommissioning Limited | Basildon | 1999 |
| Total Drain Services Ltd | Ruislip | 2025 |
| Total Drain Solutions Ltd | Walsall | 2020 |
| Total Drainage Services (SW) Limited | Bristol | 2003 |
| Total Drainage Solutions Ltd | Walsall | 2021 |
| Total Drains Limited | Bristol | 2023 |
| Total Environmental Technology Limited | Carnaby | 2005 |
| Total Fashion Limited | Doncaster | 1999 |
| Total Flow Services Ltd | Rochester | 2025 |
| Total Homes Cooperative Limited | Glasgow | 2017 |
| Total House Clearance Ltd | Chippenham | 2025 |
| Total Hygiene Consultancy Limited | Buckinghamshire | 2002 |
| Total Industrial Packaging Solutions Ltd | Altrincham | 2008 |
| Total Jobs Solution Ltd | Harpenden | 2023 |
| Total Kangen Water Limited | Birmingham | 2023 |
| Total Land Management Limited | Shaftesbury | 2024 |
| Total Metal Management Limited | Scunthorpe | 2020 |
| Total Metal Recovery Limited | Bromsgrove | 2005 |
| Total Occupational and Environmental Safety Ltd | Glasgow | 2017 |
| Total Pest Solutions Ltd | Edinburgh | 2006 |
| Total RDF Limited | Bradford | 2023 |
| Total Reclaims Demolition Limited | Nottingham | 2000 |
| Total Recovered Energy Ltd | Keighley | 2017 |
| Total Recovery Limited | Cardiff | 2023 |
| Total Recycling (Scotland) Limited | Bathgate | 2003 |
| Total Recycling Cheshire Limited | Runcorn | 2007 |
| Total Recycling Ltd | Okehampton | 2016 |
| Total Recycling Services Limited | High Wycombe | 2009 |
| Total Relocation Services Limited | Horley | 2012 |
| Total Repair UK Ltd | Colchester | 2026 |
| Total Shift Services Limited | Stevenage | 2026 |
| Total Shred Limited | Stanmore | 2007 |
| Total Skip Hire Ltd | Neath | 2004 |
| Total Transit Centre Limited | Dudley | 2012 |
| Total Trash Waste Management Ltd | Canvey Island | 2025 |
| Total Tyre Recovery & Recycling Limited | Cheltenham | 2026 |
| Total Tyre Recovery Ltd | Hounslow | 2026 |
| Total Tyre Recycling Limited | Doncaster | 2010 |
| Total UK Recycling Ltd | London | 2022 |
| Total Waste Clearout Ltd | London | 2026 |
| Total Waste Control Ltd. | Ashford | 2000 |
| Total Waste Limited | Barking | 2025 |
| Total Waste Management Alliance Limited | Aberdeen | 2000 |
| Total Waste Management Limited | Basildon | 1989 |
| Total Waste Management NE Ltd | Durham | 2025 |
| Total Waste Services Ltd | Shrewsbury | 2018 |
| Total Waste Water Systems (UK) Ltd | Belper | 2010 |
| Total Water Compliance Ltd | Southampton | 2016 |
| Total Water Services Ltd | Sale | 2006 |
| Totalfix Auto Parts Ltd | London | 2025 |
| Totally Blocked Ltd | Chichester | 2015 |
| Totally Drainage Limited | Warwick | 2021 |
| Totally Drained Ltd | Bromley | 2019 |
| Totally Local Company Limited | Stockport | 2006 |
| Totalmetalrecycling Limited | London | 2012 |
| Tottergill Springwater Limited | Brampton | 2020 |
| Totternhoe Metal Recycling Limited | Beaconsfield | 2011 |
| Totus Environmental Limited | Knutsford | 2011 |
| Totus Group Limited | High Peak | 2023 |
| Toucan Environmental Limited | Keynsham | 2007 |
| Toucan Recycling Ltd | Keynsham | 2012 |
| Touchsky Trading Contracting & Transportation Limited | Barking | 2023 |
| Tourbillians Ltd | London | 2025 |
| Tourish London Limited | Billericay | 2021 |
| Tovey's Helping Hands Ltd | Solihull | 2022 |
| TOW and Go Skips Limited | Ballymena | 2025 |
| Towens Group Ltd | Weston-Super-Mare | 2019 |
| Towens of Weston Ltd | Weston Super Mare | 2001 |
| Towens Waste Management Ltd | Weston Super Mare | 2001 |