| Recycling Options Limited | Silverdale Newcastle Under Lyme | 2001 |
| Recycling Planet Limited | Worcester Park | 2025 |
| Recycling Polymers Limited | Cheltenham | 2020 |
| Recycling Process Developments Limited | Swanscombe | 2008 |
| Recycling Properties Ltd | Ormskirk | 2020 |
| Recycling PVC Limited | Stalybridge | 2018 |
| Recycling Revolution | Sheffield | 2014 |
| Recycling Services Ltd | Erith | 2018 |
| Recycling Solutions (North East) Limited | Heywood | 2009 |
| Recycling Solutions (Plastics) Ltd | Birmingham | 2022 |
| Recycling Squad Ltd | High Wycombe | 2019 |
| Recycling Super Heroes CIC | Cottingham | 2019 |
| Recycling Textiles Limited | Ilkeston | 2020 |
| Recycling UK Limited | Tarporley | 1998 |
| Recycling Wales Limited | Rhyl | 2008 |
| Recycling Waste Cheshire Ltd | Tarporley | 2010 |
| Recycling Waste Management Limited | | 2007 |
| Recycling Waste Solutions Limited | London | 2010 |
| Recycling West Country Ltd | Penzance | 2003 |
| Recycling With Skips Limited | Wembley | 2010 |
| Recycling World Ltd | Kent | 1999 |
| RECYCLING4YOU Limited | Horncastle | 2008 |
| Recyclo Magic Ltd | Essex | 2025 |
| Recyclogical Limited | Coventry | 2016 |
| Recyclon UK Ltd | Reading | 2026 |
| Recyclr Group Ltd | Basingstoke | 2026 |
| Recyclto Ltd | London | 2025 |
| Recyclus Group Limited | Wolverhampton | 2019 |
| Recyco Limited | Omagh | 2004 |
| Recycool Tech Limited | Bracknell | 2025 |
| Recyk Yorkshire Limited | York | 2019 |
| Recyking Ltd | Ilkeston | 2022 |
| Recyling Ltd | Glasgow | 2025 |
| Recytec-It Limited | London | 2008 |
| Red & Black Recycling Limited | Pyle | 2015 |
| Red Car Parts Ltd | Harrow | 2026 |
| Red Clearances & Services Ltd | Leicester | 2023 |
| Red Dragon Waste Limited | Northwich | 2011 |
| Red Industries (Brownhills) Ltd | Burntwood | 1996 |
| Red Industries (Stoke) Limited | Burntwood | 2004 |
| Red Kite Recycling Limited | Chalgrove | 2007 |
| Red Luna Removals Ltd | Ashford | 2026 |
| Red Media Technologies Limited | Colchester | 2014 |
| Red Planet Projects Ltd | St. Albans | 2021 |
| Red Rose Homes (Recycling) Limited | Llanelli | 2025 |
| Red Skips 2 U Limited | Barnet | 2016 |
| Red Wolf Solutions Limited | Aberdare | 2016 |
| Redblue Commerce Ltd | Ammanford | 2023 |
| Redbridge Civic Services Ltd | Loughton | 2019 |
| Redbrow Limited | Ruislip, | 2022 |
| Redcar Recycling Ltd | Birmingham | 2009 |
| Redco Process Engineering Company Ltd | Cardiff | 2025 |
| Reddem Limited | Wooler | 2001 |
| Redders Recycling Ltd | Newark | 2025 |
| Redding Park Development Company Limited | Haddington | 1992 |
| Reddish Vale Insulations Limited | Oldham | 1984 |
| Redditch Skip Hire Limited | Redditch | 2001 |
| Reddy Metals UK Ltd | Dudley | 1997 |
| Redemption Recovery Limited | Liverpool | 2025 |
| Redeploy Ltd | Wimborne | 2025 |
| Redfern Environmental Limited | Tong | 2018 |
| Redfern Grab & Tipper Limited | Bracknell | 2014 |
| Redford Logistics & Recycling Serv's Ltd | Altrincham | 2012 |
| Redgate Holdings Limited | Manchester | 2003 |
| Redivium UK Limited | Wythenshawe | 2023 |
| Redland Minerals Limited | Birmingham | 1891 |
| Redmire Water Supply Fund | Leyburn | 2000 |
| Redmond Recycling Limited | Swanscombe | 2020 |
| Redpool Projects Limited | Merseyside | 1991 |
| Redram Ltd | Bridgend | 2023 |
| Redstart Northwest Limited | Cheadle | 2010 |
| Redstone RIP OUT and Clearances Ltd | Nottingham | 2025 |
| Reduced Carbon Fuels Limited | Grantham | 2024 |
| Redwood Civils Ltd | Bradford | 2026 |
| Redwood Environmental Services Limited | Bridgend | 2003 |
| Redwood Salvage Ltd | Exeter | 2019 |
| Redwood Waste Treatment Centre Limited | Bridgend | 2010 |
| REE Store Limited | Stevenage | 2002 |
| Reecycle Medway Kent Ltd | Chatham | 2026 |
| Reef Recycling Ltd | Tadcaster | 2014 |
| Reef Water Solutions Ltd | Wadebridge | 2002 |
| Reema Waste Ltd | Lincoln | 2024 |
| Reemine Ltd | London | 2025 |
| Reepro Ltd | Palmers Green | 2019 |
| Rees Metals Limited | Llanelli | 1983 |
| Reeves Waste Limited | Macclesfield | 2020 |
| Refine Metals (Autocore) Limited | Horsham | 2016 |
| Refined Metal Recycling Limited | Horsham | 2021 |
| Refiniti Limited | Begbroke | 2020 |
| Refly Ltd | Blandford Forum | 2025 |
| Reform Haulage & Recycling Ltd | London | 2025 |
| Reframe Recycling (NW) Ltd | Bury | 2025 |
| Refrec Limited | Deeside | 2018 |
| Refuels Limited | Nr Folkestone | 2007 |
| Refurbit Yorkshire Ltd | Hull | 2019 |
| Refurbs Flintshire | Flint | 2002 |
| Refurnish Devon | Wrangaton | 2001 |
| REG (Lanarkshire) Ltd | Glasgow | 2013 |
| Regal Clearances Ltd | London | 2025 |
| Regal Flow Limited | Birmingham | 2023 |