| Premier Adapter Limited | Wholesale & retail | 2020 |
| Premier Contractors Ltd | Construction | 2012 |
| Pressure Washing Bros Ltd | Administrative & support | 2025 |
| Primal Grace Somatic Therapy Ltd | Other services | 2025 |
| Pristine & Co. Ltd | Administrative & support | 2025 |
| Pro Domestic Solutions Ltd | Professional & scientific | 2023 |
| Procopio Estates Ltd | Real estate | 2025 |
| Property Locums Limited | Professional & scientific | 2013 |
| Proponent U.K. Limited | Wholesale & retail | 1983 |
| Protank Ltd | Professional & scientific | 2014 |
| Protection & Investment Limited | Financial services | 1999 |
| Pryston Limited | Professional & scientific | 2020 |
| PTK Group Ltd | Financial services | 2024 |
| Pure & Simple Consulting Ltd | Professional & scientific | 2010 |
| Purveyor Limited | Professional & scientific | 2024 |
| Quality Invents Ltd | Professional & scientific | 2022 |
| Quantdrop Limited | Other services | 1980 |
| Quest Industries Ltd | Professional & scientific | 2005 |
| R & C Composites Limited | Manufacturing | 2025 |
| R & H Andrews Ltd | Administrative & support | 2020 |
| R and R Auto Services Limited | Wholesale & retail | 2020 |
| R C (Holdings) Group Ltd | Financial services | 2020 |
| R Reed Property Limited | Real estate | 2025 |
| R S P Mechanical Limited | Construction | 2015 |
| R&D Lawns Ltd | Other services | 2024 |
| R.I.G. Electrical Contractors Ltd | Construction | 2025 |
| R.J. Hardy Building Limited | Construction | 2007 |
| R.J. Hardy Limited | Construction | 2007 |
| Rabbit Driving School Ltd | Education | 2026 |
| Rainbow Rising Ltd | Health & social care | 2020 |
| Raise Holdings Ltd | Water & waste | 2015 |
| Rappaw Ltd | Agriculture & fishing | 2018 |
| RDO Events Limited | Arts & recreation | 2009 |
| Rebecca Dellaway CBT Ltd | Health & social care | 2026 |
| Rebecesque Ltd | Information & communication | 2020 |
| Reddog Forestry & Contracting Ltd | Agriculture & fishing | 2025 |
| Reddog Group Ltd | Financial services | 2025 |
| Redford Fuel & Lubricants Ltd | Wholesale & retail | 2014 |
| Redline IT Solutions Limited | Information & communication | 2021 |
| Renevo Limited | Information & communication | 2026 |
| Rent OUR Home Ltd | Information & communication | 2019 |
| Rental Giants Limited | Administrative & support | 2009 |
| Repdor Ltd | Information & communication | 2021 |
| Reset My Life Ltd | Health & social care | 2013 |
| Resi Developers Limited | Construction | 2020 |
| Resonate Developments Limited | Real estate | 2024 |
| Revived Outlet Ltd | Wholesale & retail | 2024 |
| Rezkit Ltd | Information & communication | 2022 |
| Rftl Ltd | Financial services | 2014 |
| Richard Eade and Sons Limited | Wholesale & retail | 2004 |
| Richard Ward Eyecare Limited | Administrative & support | 2011 |
| Richers & Vision Ltd | Wholesale & retail | 2011 |
| Riddle Plumbing and Heating Ltd | Construction | 2026 |
| Right Price Driveways Ltd | Administrative & support | 2026 |
| Rightway Cars Limited | Wholesale & retail | 2017 |
| Riko UK Limited | Wholesale & retail | 1998 |
| Rimes Psychology Ltd | Health & social care | 2026 |
| Rise to the Occasion Ltd | Arts & recreation | 2025 |
| Rite Time Publishing Limited | Manufacturing | 2001 |
| RJH Plumbing & Heating Limited | Construction | 2023 |
| RJL Chiropractic Limited | Health & social care | 2012 |
| RM Aesthetics Limited | Health & social care | 2022 |
| RM Driving Ltd | Education | 2026 |
| Robert Nicholas Limited | Construction | 2013 |
| Rock and Rhubarb Ltd | Information & communication | 2004 |
| Rockfield Automotive Ltd | Wholesale & retail | 2026 |
| Rockhopper Associates Limited | Professional & scientific | 2010 |
| Rockmere Ltd | Information & communication | 2017 |
| Roden International Limited | Administrative & support | 1997 |
| Rohde Project Ltd | Construction | 2021 |
| ROK Electrics Limited | Construction | 2012 |
| ROK Smart Homes Ltd | Construction | 2018 |
| Rokevchargers Limited | Construction | 2022 |
| Romeo Juncu Ltd | Professional & scientific | 2012 |
| Ronan Faherty Associates Limited | Professional & scientific | 2012 |
| Rosedale Estate (Aldershot) Freehold Limited | Real estate | 2012 |
| Rosie’S Rentals Ltd | Administrative & support | 2020 |
| Rowson Investments Limited | Real estate | 2014 |
| RPL Automotive Ltd | Wholesale & retail | 2013 |
| RSD Futures Ltd | Real estate | 2026 |
| Rubie Trading Limited | Information & communication | 2022 |
| Rudland Associates Limited | Real estate | 2022 |
| Ruem Inventories Ltd | Hospitality | 2024 |
| Rugsafe UK Ltd | Wholesale & retail | 2015 |
| Runnyhoneys Ltd | Other services | 2001 |
| Rusznak Medical Group Limited | Health & social care | 2025 |
| RWJ SA JV3 Limited | Hospitality | 2024 |
| S & I Consultancy Limited | Administrative & support | 2017 |
| S LEE Joinery Limited | Manufacturing | 2018 |
| S&J PI Ltd | Real estate | 2015 |
| S&S Precision Ltd | Professional & scientific | 2025 |
| S.W. Landscaping Ltd | Administrative & support | 2025 |
| Sach Plant Services Ltd | Administrative & support | 2020 |
| Safesystem Engineering Ltd | Professional & scientific | 2026 |
| Saints Restaurants Limited | Hospitality | 2025 |
| SAL Bordon Ltd | Hospitality | 2022 |
| Salescraft Consulting Ltd | Professional & scientific | 2024 |
| Sands (Blackmoor) Residents Association Limited(The) | Households | 1980 |
| Saphireair Ltd | Transport & logistics | 2022 |
| Sarah Baillieu Architects Limited | Professional & scientific | 2002 |