| BIN Smarter Ltd | Wigan | 2025 |
| BIN There Done That Ltd | London | 2024 |
| BIN There Dump That Glasgow Limited | Edinburgh | 2022 |
| BIN There Dump That Ltd | London | 2025 |
| Bin-Gone Limited | Birmingham | 2021 |
| Bin-Ovation Limited | Belfast | 2012 |
| Bin.It Ltd | London | 2024 |
| Bincredible Waste Solutions Ltd | London | 2025 |
| Bingo Group Ltd | Cardiff | 2011 |
| Bingo Industries Ltd | Cardiff | 2006 |
| Bingo Recycling Ltd | Cardiff | 2006 |
| Bingo Resources Ltd | Cardiff | 2011 |
| Bingo Skip Ltd | Melton Mowbray | 2011 |
| Bingo Waste Ltd | Cardiff | 2006 |
| Bingora Ltd | Deeside | 2017 |
| Binit Group Limited | Worcester | 2016 |
| Binkil Ltd | Newcastle Upon Tyne | 2024 |
| Binlaundry Ltd | London | 2025 |
| Binn Environmental Limited | Edinburgh | 2014 |
| Binn Group (Inverness) Limited | Edinburgh | 2025 |
| Binn Landfill (Glenfarg) Limited | Edinburgh | 1991 |
| Binn Renewable Energy Limited | Edinburgh | 2010 |
| Binn Skips Limited | Edinburgh | 2014 |
| Binnit Ltd | Harlow | 2023 |
| Bins Group Ltd | Dereham | 2020 |
| Binzilla Limited | Prestatyn | 2017 |
| BIO Collectors Holdings Limited | Mitcham | 2012 |
| BIO Green UK Limited | Colchester | 2008 |
| BIO NET Gain Solutions Limited | Warrington | 2022 |
| BIO Pure Air Ltd | Edgware | 2017 |
| BIO Response Asbestos Ltd | Portsmouth | 2025 |
| BIO Scope Technologies Ltd | Bury St Edmunds | 2022 |
| BIO Tanx Ltd | Ombersley | 2025 |
| BIO Treatment Ltd | Lymington | 2009 |
| BIO Waste OIL Ltd | Leeds | 2022 |
| BIO Wave Services Limited | London | 2020 |
| Bio-Bubble Technologies Limited | Waterlooville | 2009 |
| Bio-Energy International Ltd | Swansea | 2019 |
| Bio-Ran Limited | London | 2019 |
| BIO2PURE Limited | Leeds | 2019 |
| Biocentre Resources Ltd | Stroud | 2021 |
| Bioclean Solutions Ltd | Boston | 2025 |
| Bioclean Waste & Welfare Management Ltd | Sheffield | 2026 |
| BIOCLEAN121 Ltd | Gillingham | 2024 |
| Biocrest Ltd | Lincoln | 2014 |
| Biocrust Ltd. | Bradford-On-Avon | 2012 |
| Biofiltro UK Ltd | Belfast | 2026 |
| Biofuel Evolution Ltd | Coventry | 2016 |
| Biofuels Solutions Ltd | Greenhithe | 2021 |
| Bioganix Ltd | Brigg | 2004 |
| Biogen Distributors Limited | Downpatrick | 2011 |
| Biogen Southern Limited | Milton Ernest | 2019 |
| Biogenie Remediation UK Limited | Reading | 1992 |
| Biogenie Site Remediation Limited | Reading | 2000 |
| Biogest UK Ltd | Carlisle | 2013 |
| Biogreen Recycling Limited | Birmingham | 2012 |
| Biohazard Services @ D&E Ltd | Farnborough | 2025 |
| Biologeco Limited | Surbiton | 2020 |
| Bioloopai Ltd | London | 2025 |
| Biomarsh Environmental Ltd | Waltham Abbey | 1973 |
| Biomass Combustion Limited | Newcastle | 2006 |
| Biomass Renewable Fuels Limited | Wigan | 2013 |
| Biomass UK Fuels Limited | London | 2017 |
| Biomatrix Water Solutions Limited | Muir Of Ord | 2012 |
| Biomax Fuels Ltd | Abergavenny | 2006 |
| Biomicrogels UK Limited | Oxford | 2015 |
| Bioo Domestic and Commercial Cleaning Limited | Enfield | 2011 |
| Biorem Services Ltd | Paisley | 2020 |
| Bioremediation Group Limited | Driffield | 2026 |
| Biorescue Ltd | Halesowen | 2023 |
| Bioresources Management Limited | Larne | 2023 |
| Biosafe Asbestos Solutions Ltd | Huntingdon | 2026 |
| Bioshield Services Ltd | Plymouth | 2026 |
| Bioshred Ltd | Kingsbridge | 2009 |
| Biosustain Ltd | Romford | 2023 |
| Biotech Services Limited | Sandbach | 2006 |
| Biothermal Green Energy Limited | Sevenoaks | 2025 |
| Biothermal Green Energy Solutions Limited | Sevenoaks | 2025 |
| Biothermic Green Energy Limited | Sevenoaks | 2025 |
| Biothermic Solutions Limited | Sevenoaks | 2025 |
| Biovolve Ltd | London | 2026 |
| Biowaste Solutions Group Ltd | London | 2026 |
| Biowise Limited | Doncaster | 2001 |
| Biowood Recycling Limited | Bromsgrove | 2012 |
| Biowood Services Limited | North Ferriby | 2016 |
| Birch Airfield Composting Services Limited | Essex | 2007 |
| Birch Farm Plastics Ltd | Neath | 2019 |
| Birch View Management Company Limited | Hereford | 2008 |
| Bird Jones Haulage Limited | York | 2022 |
| Birdston Management Ltd | London | 2021 |
| Birkdale Drains Limited | St. Helens | 2026 |
| Birmingham Drain Jetting Limited | Birmingham | 2023 |
| Birmingham Drain Services Limited | London | 2019 |
| Birmingham Grab Hire and Aggregates Ltd | Halesowen | 2019 |
| Birmingham Pelican Ltd | Birmingham | 2021 |
| Birmingham Removals Ltd | Birmingham | 2025 |
| Birmingham Skips Ltd | Birmingham | 2019 |
| Birmingham Unit Base Support Ltd | Birmingham | 2020 |
| Birmingham Water Solutions Ltd | Birmingham | 2020 |
| Biscof Transport Limited | Llantwit Major | 2025 |