| Proxa Tech Ltd | Administrative & support | 2024 |
| Prussel & Co Limited | Professional & scientific | 2015 |
| Prussel Holdings Limited | Financial services | 2021 |
| Pryor's Window Cleaning Limited | Administrative & support | 2016 |
| Psft Limited | Real estate | 2020 |
| Psychic-Salon Enterprises Limited | Information & communication | 2004 |
| Pulsereach Ltd | Professional & scientific | 2026 |
| Pump Engineers Limited | Manufacturing | 2022 |
| Punk Consulting Ltd | Information & communication | 2026 |
| Pure Lettings (South East) Limited | Real estate | 2009 |
| Pure-Ultrasound Ltd | Health & social care | 2022 |
| Pursue Boundaries Ltd | Wholesale & retail | 2017 |
| Pursue the Truth Limited | Professional & scientific | 2022 |
| PW Care Services Ltd | Health & social care | 2025 |
| PW Medical Services Ltd | Information & communication | 2023 |
| Pyle Consulting Limited | Administrative & support | 1992 |
| Pyxium Ltd | Education | 2021 |
| Q-Cool Ltd | Construction | 2021 |
| Qlaw Legal Services Limited | Professional & scientific | 2011 |
| QP Pizzeria Ltd | Hospitality | 2025 |
| Quality Food (Feltham) Ltd | Hospitality | 2017 |
| Quality House (Catering) Ltd | Hospitality | 2019 |
| Quant Analytics Ltd | Professional & scientific | 2009 |
| Quantelligence Limited | Information & communication | 2025 |
| Quantitasqs Limited | Professional & scientific | 2015 |
| Quantum Intelligent Solutions Ltd | Information & communication | 2014 |
| Quartz Consulting Limited | Information & communication | 2003 |
| Quidrobo Ltd | Information & communication | 2023 |
| Quintessential VA Services Ltd | Administrative & support | 2022 |
| Qwadrum UK Ltd | Wholesale & retail | 2025 |
| R & J Walker LLP | | 2026 |
| R & R Real Estate Ltd | Real estate | 2016 |
| R Beauty Ltd | Other services | 2023 |
| R Best & Co Ltd | Professional & scientific | 2023 |
| R Frampton Heating Limited | Construction | 2010 |
| R T & F Holdings Limited | Professional & scientific | 2014 |
| R&D Concepts Limited | Professional & scientific | 2022 |
| R&R Resi Ltd | Real estate | 2021 |
| R&R Residential LLP | | 2019 |
| R&S Buckley LLP | | 2023 |
| R&S Reigate Property Limited | Real estate | 2025 |
| R. Whittington and Grandsons Limited | Transport & logistics | 1992 |
| R.D.S. Innovations Limited | Administrative & support | 2000 |
| R3GENT Limited | Construction | 2026 |
| Racing Styling and Innovations Ltd | Wholesale & retail | 2008 |
| Racsel Building Services Limited | Construction | 1993 |
| RAD Stuff Ltd | Manufacturing | 2021 |
| Radbury Consulting Limited | Professional & scientific | 2015 |
| Rafe Associates Limited | Professional & scientific | 2014 |
| Raglan Consultancy Services Ltd | Administrative & support | 2019 |
| Rail Cool Services Ltd | Administrative & support | 2008 |
| Rall Investment Ltd | Real estate | 2020 |
| RAM Automobiles Limited | Wholesale & retail | 2019 |
| Rand Associates (Diagnostics) Limited | Professional & scientific | 2020 |
| Rand Associates Consultancy Services Limited | Professional & scientific | 2002 |
| Rand Associates Limited | Professional & scientific | 1994 |
| Ranmore Advisers Ltd | Professional & scientific | 2024 |
| Ranworth Management Limited | Wholesale & retail | 2017 |
| Rare Trails Limited | Hospitality | 2020 |
| RAW Creative Limited | Professional & scientific | 2014 |
| RAW Element (Dippenhall) Limited | Real estate | 2014 |
| RAW Media Group Ltd | Financial services | 2022 |
| Rayners Commercial Properties Limited | Real estate | 2004 |
| Rbpc (Rich Birkett Performance Coaching) Limited | Health & social care | 2025 |
| Rcgs Properties Ltd | Financial services | 2024 |
| Rden Properties Limited | Real estate | 2002 |
| Read 2 Read Limited | Administrative & support | 2016 |
| Read Financial (London) Limited | Financial services | 2010 |
| Recap Solutions Limited | Professional & scientific | 2012 |
| Recoverypulse Ltd | Information & communication | 2026 |
| Red Crest Trading Co Ltd | Wholesale & retail | 2026 |
| Red Deer Coffee House Limited | Hospitality | 2024 |
| Red Strata Limited | Extraterritorial | 2018 |
| Redbox Studio Limited | Other services | 2007 |
| Redcage Ltd | Professional & scientific | 2002 |
| Redgate Media Limited | Information & communication | 2026 |
| Redwood Lodge Management Company Limited | Professional & scientific | 2004 |
| Redwood Phase 1 Limited | Real estate | 2023 |
| Redwood UK Developments Ltd | Construction | 2016 |
| Reflection Labs Limited | Information & communication | 2025 |
| Reframe Reset Renew Limited | Health & social care | 2020 |
| Refuel Roadside Retail Ltd | Wholesale & retail | 2025 |
| Refurb Services Southern Limited | Construction | 2012 |
| Regency Property Estates Limited | Real estate | 2019 |
| Regent Street Strategies Ltd | Professional & scientific | 2017 |
| Regional Thai Lounge Limited | Hospitality | 2021 |
| Reidy's Barbershop Limited | Other services | 2017 |
| Reigate Aesthetics Ltd | Other services | 2024 |
| Reigate Architects Limited | Professional & scientific | 2013 |
| Reigate Architecture Ltd | Extraterritorial | 2023 |
| Reigate Building Services Consultants Limited | Construction | 2016 |
| Reigate Business Guild | Other services | 1993 |
| Reigate Ductwork Manufacturing Ltd | Manufacturing | 2010 |
| Reigate Electrical Services Ltd | Construction | 2018 |
| Reigate Estates Limited | Real estate | 2014 |
| Reigate Grammar School | Education | 2000 |
| Reigate Grammar School International Limited | Education | 2017 |
| Reigate Grammar School Trading Limited | Education | 2016 |
| Reigate Gunmakers Ltd | Wholesale & retail | 2015 |
| Reigate Holdings Limited | Financial services | 2022 |