| Red Devil Film Company Limited | Information & communication | 2011 |
| Red Knight 6 Ltd | Construction | 2014 |
| Red Knight 6 Plant Hire Ltd | Wholesale & retail | 2015 |
| Red Knight 6 Spares Ltd | Wholesale & retail | 2015 |
| Rede Development Company Ltd | Real estate | 2022 |
| Redhill Tyres & Car Repairs Limited | Wholesale & retail | 1998 |
| Redhouse Agency Limited | Wholesale & retail | 2021 |
| Redleaffilms Ltd | Information & communication | 2024 |
| Reframe Life Ltd | Information & communication | 2023 |
| Reigate Chambers Limited | Professional & scientific | 2014 |
| Reigate Ductwork Fire Rated Services Ltd | Manufacturing | 2015 |
| Reigate Homes Limited | Construction | 2020 |
| Reigate Lettings Limited | Real estate | 2021 |
| Reigate Orthodontics Ltd | Health & social care | 2018 |
| REM Transport Ltd | Transport & logistics | 2023 |
| Renesmee’S Aesthetics Ltd | Other services | 2026 |
| Renew Heat Pump Care UK Ltd | Construction | 2026 |
| Resat Gundogdu 1959 Holding Limited | Financial services | 2023 |
| Rescue Remedies Dog Rescue | Other services | 2010 |
| Restored Healthcare Community Outreach CIC | Health & social care | 2026 |
| Restored Healthcaregp Ltd | Public administration | 2024 |
| Restorick Builders Limited | Construction | 2014 |
| Retail Convert Ltd | Professional & scientific | 2025 |
| Revive Heat Ltd | Construction | 2022 |
| RFC Chicken and Ribs Ltd | Hospitality | 2024 |
| RH Priory Ltd | Real estate | 2024 |
| RH Window Cleaning Limited | Administrative & support | 2026 |
| RH6 Drycleaners Limited | Other services | 2019 |
| Rhenium Pictures Ltd. | Information & communication | 2012 |
| RIA Consultancy Ltd | Manufacturing | 2022 |
| Richard Thomas and Associates Limited | Transport & logistics | 2011 |
| Richie Ashwin Ltd | Information & communication | 2024 |
| Ridepro Cars Limited | Transport & logistics | 2026 |
| Ridgeway Lettings Limited | Real estate | 2013 |
| Ridgeway Technology Limited | Information & communication | 2007 |
| Riley Construction Limited | Construction | 2020 |
| Riley Lettings Limited | Real estate | 2024 |
| Ripley Roofing & Building Limited | Construction | 2025 |
| Rishil Farms Company Limited | Agriculture & fishing | 2025 |
| Rishiyt Ltd | Health & social care | 2022 |
| Riskit Corporation Limited | Administrative & support | 2023 |
| Ritherdon Consulting Ltd | Professional & scientific | 2008 |
| RJ Cars Horley Limited | Wholesale & retail | 2023 |
| RJH Solutions Ltd | Manufacturing | 2017 |
| Rksd Estate Ltd | Real estate | 2019 |
| RLM Partnership Limited | Administrative & support | 2019 |
| Rlxd Limited | Information & communication | 2026 |
| RMP Plumbing and Heating Limited | Construction | 2017 |
| Road Runners Gatwick Ltd | Transport & logistics | 2019 |
| Roaring Ltd | Information & communication | 2024 |
| ROB Hamilton Property & Garden Maintenance Ltd | Construction | 2017 |
| Robinson & Associates Ltd | Health & social care | 2015 |
| ROH Horley Ltd | Wholesale & retail | 2018 |
| Rolnovik Ltd | Extraterritorial | 2021 |
| Romans Pantry Ltd | Hospitality | 2023 |
| Roofing Consultancy Services Limited | Construction | 2021 |
| Rose Spa Limited | Other services | 2009 |
| Rosemary Care Ltd | Health & social care | 2023 |
| Roses Quality Care Ltd | Administrative & support | 2022 |
| Roshoi UK Limited | Hospitality | 2017 |
| Ross Wickens Limited | Wholesale & retail | 2014 |
| Rosslyn Homes Ltd | Real estate | 2008 |
| Rostos Limited | Health & social care | 2019 |
| Rozet Services Limited | Construction | 2023 |
| RPS Plastering Ltd | Construction | 2014 |
| RS Clinics Limited | Health & social care | 2016 |
| RS Props Ltd | Information & communication | 2023 |
| RSS Footwear Ltd | Wholesale & retail | 2012 |
| RST Glass & Glazing Limited | Construction | 2002 |
| Ruben Rodrigues Ltd | Construction | 2022 |
| Rucka Management Limited | Transport & logistics | 2020 |
| Russell Myers Handyman Ltd | Construction | 2021 |
| Rutherford Security Services Ltd | Administrative & support | 2025 |
| Ryan Hendy Holdings Limited | Financial services | 2024 |
| RYE 2020 Limited | Real estate | 2018 |
| S J Holt Ltd | Information & communication | 2015 |
| S Mccarthy Ltd | Administrative & support | 2015 |
| S&A Plumbing London Ltd | Construction | 2024 |
| S&C Maintenance Ltd | Administrative & support | 2017 |
| S-One PVT Ltd | Health & social care | 2013 |
| S.Foss & Sons Ltd | Construction | 2024 |
| S2 London Ltd | Wholesale & retail | 2018 |
| Safeguard Electrical Compliance Ltd | Construction | 2022 |
| Safehaven Trust Ltd | Health & social care | 1996 |
| Safetrade Group Limited | Administrative & support | 2019 |
| Sage&Gill Ltd | Wholesale & retail | 2026 |
| Salita Ltd | Information & communication | 2021 |
| Samaya Cars Ltd | Wholesale & retail | 2025 |
| Sammys Limited | Hospitality | 2025 |
| Sanberth Limited | Manufacturing | 2025 |
| Sanglier Media Ltd | Professional & scientific | 2009 |
| Sani Holding Company Ltd | Financial services | 2026 |
| SAR Limited | Wholesale & retail | 1991 |
| Sarel Way 1958 Limited | Extraterritorial | 2014 |
| Satino Contracting Limited | Information & communication | 2018 |
| Saunders Group Holdings Limited | Financial services | 2024 |
| Saver Spot Collection Limited | Wholesale & retail | 2024 |
| Saville Construction Limited | Real estate | 1996 |
| Saville Property Ltd | Real estate | 2025 |
| Savino Legal Ltd | Professional & scientific | 2025 |