| Procedor Limited | Professional & scientific | 2005 |
| Progressive Threads Limited | Manufacturing | 1995 |
| Project Belize Limited | Financial services | 2018 |
| Property and Project Management Company Limited | Real estate | 1996 |
| Property Holdings 971 Limited | Real estate | 2020 |
| Property Restoration & Clearance Services Ltd | Real estate | 1989 |
| Pskb Medical Services Limited | Health & social care | 2011 |
| Quadrant Offset Limited | Manufacturing | 1968 |
| Qualitere Windows Limited | Construction | 1986 |
| R & B Fruits Limited | Wholesale & retail | 2003 |
| R & D Europe Limited | Manufacturing | 1995 |
| R & D Tool & Engineering Limited | Manufacturing | 1984 |
| R & N Pond Limited | Health & social care | 2006 |
| R N Agricultural Services Ltd | Agriculture & fishing | 2003 |
| R&G Goldstar Ltd | Wholesale & retail | 2019 |
| R. F. Electrical Installations Limited | Construction | 2006 |
| R. Keeton Limited | Construction | 2001 |
| R.S. Transport Limited | Transport & logistics | 1999 |
| R.W. Derbyshire (Electrical Contractors)Limited | Construction | 1964 |
| Radford Care Group | Health & social care | 1998 |
| Radr Limited | Administrative & support | 2013 |
| Ralph Marks (Builders) Limited | Construction | 1975 |
| Ralph Marks Construction Limited | Construction | 1965 |
| Ramowski Solutions Limited | Information & communication | 2007 |
| RCS Limited | Real estate | 1982 |
| RDS (Mansfield) Ltd | Administrative & support | 2008 |
| Real Edge Ltd | Professional & scientific | 1999 |
| Realm Projects Limited | Manufacturing | 2000 |
| Regency Mouldings & Fireplaces Limited | Manufacturing | 2001 |
| Rentin Nerja Limited | Administrative & support | 2021 |
| Return of the Kings Limited | Arts & recreation | 2005 |
| Revida Ltd | Information & communication | 2012 |
| Revive! Auto Innovations (West Lincs) Limited | Manufacturing | 2007 |
| RI Blow Ltd | Real estate | 1999 |
| Rices Carpets Limited | Wholesale & retail | 2002 |
| Rich Furnishings Limited | Wholesale & retail | 2002 |
| Richard Bingham Transport Limited | Transport & logistics | 1987 |
| Rising Upwards Ltd | Information & communication | 2021 |
| Ristes Motor Company Limited | Wholesale & retail | 1986 |
| RJ and CJ Consulting L Limited | Construction | 2006 |
| Robinson Financial Consultancy Limited | Professional & scientific | 2005 |
| Robson Retail and Brand Consultancy Limited | Professional & scientific | 2009 |
| Rockano Productions Limited | Information & communication | 2003 |
| Roform Products Limited | Administrative & support | 2002 |
| Rogers Design Ltd | Administrative & support | 2006 |
| Rogers Spencer Limited | Professional & scientific | 2006 |
| Roltone Limited | Wholesale & retail | 2003 |
| Rpas Services Ltd | Other services | 2026 |
| Russell Technical Services Limited | Administrative & support | 2006 |
| Rutland Laundry Limited | Other services | 2006 |
| S Conway Transport Limited | Transport & logistics | 2003 |
| S K Epworth Ltd | Health & social care | 2003 |
| S.D. Barlow (Butchers) Limited | Wholesale & retail | 2001 |
| S.I. Consultancy Limited | Other services | 2001 |
| S.M.V. Customs Ltd | Administrative & support | 2023 |
| Sabrex Ltd | Information & communication | 2019 |
| Safe & Sound (Vehicle Security & Audio) Limited | Wholesale & retail | 1995 |
| Safe-N-Sure Limited | Other services | 2005 |
| Samfio Cattery Ltd. | Agriculture & fishing | 2005 |
| Sandiacre Stoves Ltd | Construction | 2015 |
| Sandicliffe Motor Group Limited | Wholesale & retail | 1995 |
| Sangha Express Limited | Wholesale & retail | 2023 |
| Santa Anita Western Horses Ltd | Arts & recreation | 2003 |
| SAXTON0374 Limited | Health & social care | 2018 |
| Scooter Restorations Limited | Wholesale & retail | 2003 |
| Scott Electrical (Nottm) Limited | Construction | 2003 |
| Sellars Air Conditioning & Refrigeration Limited | Construction | 2005 |
| Sellors Limited | Manufacturing | 2006 |
| Sense Financial Solutions Limited | Administrative & support | 2004 |
| Seven Clumber Crescent South Management Company Limited | Households | 1984 |
| Shellserve Limited | Construction | 2006 |
| Shirebrook Chiropractic Limited | Other services | 2004 |
| Shirebrook Furniture Limited | Manufacturing | 2001 |
| Simplicity Design Limited | Other services | 2002 |
| Sinclair Taxation Services Limited | Professional & scientific | 2007 |
| Sivalome Limited | Extraterritorial | 1967 |
| Slater Glass & Windows Limited | Construction | 2004 |
| Sliding Door Solutions Limited | Manufacturing | 2006 |
| Smiths Timber Merchants Limited | Wholesale & retail | 1997 |
| Smithwell Group Ltd | Financial services | 2024 |
| Smithwell Property Ltd | Real estate | 2024 |
| Snowdog Consulting Ltd | Information & communication | 2020 |
| Sonic Pocus Ltd | Education | 2026 |
| Source Talent Limited | Administrative & support | 2018 |
| Speckledfrog Limited | Administrative & support | 2000 |
| Sports Surfacing Solutions Limited | Administrative & support | 2005 |
| Springfield Associates (UK) Limited | Administrative & support | 2006 |
| SSA Brickwork Limited | Construction | 2022 |
| SSA Houses Ltd | Real estate | 2023 |
| ST Saviours Care Home Limited | Health & social care | 2007 |
| St-Performance Limited | Manufacturing | 2002 |
| Standtu Limited | Real estate | 2002 |
| Stanford Secretaries Limited | Extraterritorial | 2000 |
| Steel Decking Limited | Extraterritorial | 2001 |
| Stevens Auto Services Limited | Wholesale & retail | 2002 |
| Stoke Hall LLP | | 2023 |
| Stoneberry Construction Limited | Construction | 2006 |
| Stop N Shop OFF Licence Ltd | Wholesale & retail | 2023 |
| Stuart Clifford Joinery Limited | Construction | 2005 |
| Studio Ceramics Limited | Wholesale & retail | 1989 |