| Robert C. Tower Limited | Arts & recreation | 2001 |
| Robert Clack Electrical Contracting Ltd | Construction | 2002 |
| Robert H Pearson Associates Ltd | Professional & scientific | 2003 |
| Robert Prescott Builder Limited | Construction | 2016 |
| Robinson & Fisher Limited | Real estate | 1933 |
| Robinson Construction Limited | Construction | 2004 |
| Robinson Webster (Holdings) Limited | Wholesale & retail | 1972 |
| Robinsons Joinery Limited | Construction | 2002 |
| Robot Whisperers Ltd | Information & communication | 2019 |
| Rockhopper Advisory Limited | Financial services | 2023 |
| Rockreef Limited | Professional & scientific | 2008 |
| Rockstone Project Management Services Ltd | Professional & scientific | 2015 |
| Rodbers of Richmond Limited | Wholesale & retail | 1970 |
| Roderick Hunt Legal Services Limited | Public administration | 2010 |
| Rodriguez Property Limited | Real estate | 2024 |
| Roger Parker Solutions Limited | Professional & scientific | 2017 |
| Rokeby Forge Limited | Construction | 2003 |
| Rokky Limited | Wholesale & retail | 2024 |
| Roll DOT Agency Limited | Professional & scientific | 2020 |
| Romantic Travellers Collection Limited | Information & communication | 2026 |
| Roocrofts Ltd | Real estate | 2026 |
| Roof-Pod Limited | Construction | 2013 |
| Rooftops Montessori Nursery School Limited | Education | 2012 |
| Rooted by Play Limited | Wholesale & retail | 2026 |
| Rooted Limited | Information & communication | 2004 |
| Roots Aesthetics Limited | Health & social care | 2026 |
| Rootstock Holdings Limited | Financial services | 2021 |
| Rootwell Limited | Real estate | 2021 |
| Rootwise Limited | Wholesale & retail | 2004 |
| Rope Access Fabrication Ltd | Construction | 2022 |
| Ropers Caravan World (Catterick) Limited | Extraterritorial | 2009 |
| Ropers Leisure Limited | Wholesale & retail | 2009 |
| Ropers Property | Real estate | 2014 |
| Rose Golf Limited | Arts & recreation | 2021 |
| Rose Property Investments Limited | Real estate | 2014 |
| Rosebank Group Limited | Construction | 2022 |
| Rosebank Landscaping Ltd | Construction | 2016 |
| Rosebank Living Ltd | Manufacturing | 2020 |
| Rosedale House Richmond Ltd | Hospitality | 2022 |
| Rosetta Growth Ltd | Education | 2025 |
| Roseworks Services Ltd | Construction | 2026 |
| Rosie Caldwell Ltd. | Wholesale & retail | 2018 |
| Rosie Green Limited | Information & communication | 2012 |
| Rosoda UK Limited | Financial services | 2021 |
| Rowan Management Co Limited | Households | 2004 |
| Rowells Gents Hairdressers Ltd | Other services | 2009 |
| Rowena Fuller Architect Ltd | Professional & scientific | 2009 |
| Roxanne Jade Hair and Makeup Ltd | Other services | 2025 |
| Roxburgh Voice Limited | Hospitality | 2021 |
| Royaal India Limited | Hospitality | 2024 |
| Royal British Legion Poppy Factory | Manufacturing | 1925 |
| Royal Mid-Surrey Golf Club Limited | Hospitality | 2022 |
| Royston Residents Association (KEW) Limited(The) | Households | 1958 |
| Rpmk Limited | Professional & scientific | 2026 |
| Rpry Limited | Professional & scientific | 2025 |
| RRB Films Distribution Limited | Information & communication | 2023 |
| RRB Films Limited | Information & communication | 2014 |
| RRS IT Consulting Ltd | Information & communication | 2024 |
| RSA Sales Ltd | Wholesale & retail | 2017 |
| RSS (Yorkshire) Ltd | Manufacturing | 2013 |
| RT Online Limited | Professional & scientific | 2012 |
| Rtechrepairs Ltd | Other services | 2022 |
| RTL Traffic Ltd | Construction | 2023 |
| RTW Road Restoration Limited | Water & waste | 2017 |
| Rtwz Limited | Wholesale & retail | 2025 |
| Rubine Italiano Ltd | Hospitality | 2026 |
| Ruby Slippers Declutters Ltd | Other services | 2020 |
| Rugare Properties Ltd | Real estate | 2018 |
| Rumi Property Ltd | Real estate | 2023 |
| Run Forrest Run Ltd | Real estate | 2025 |
| Run Unbound Limited | Arts & recreation | 2022 |
| Rural Cleans Yorkshire Ltd | Administrative & support | 2020 |
| Rural Stays Yorkshire Ltd | Hospitality | 2022 |
| Russ Fowler Consulting Limited | Professional & scientific | 2020 |
| Russell Wailes Limited | Professional & scientific | 2019 |
| Ruthbill Holdings Ltd | Financial services | 2024 |
| Rutland Golf Ltd | Professional & scientific | 2025 |
| RWC Holdings Limited | Financial services | 2024 |
| RWR Capital Markets Private Limited | Financial services | 2017 |
| RWR Holding Private Limited | Financial services | 2017 |
| RWR Investment Management Private Limited | Financial services | 2017 |
| RWR Properties Private Limited | Construction | 2024 |
| RWR Real Estate Private Limited | Real estate | 2017 |
| RWR Trade Connections Private Limited | Wholesale & retail | 2018 |
| Ryan Bailey Colour Ltd | Other services | 2022 |
| Ryder Financial Limited | Financial services | 2012 |
| S & J Parker Properties Ltd | Real estate | 2025 |
| S & L Estates Limited | Real estate | 2004 |
| S&H Property Holdings Ltd | Real estate | 2022 |
| S&W Capital Advisory (UK) Ltd | Information & communication | 2023 |
| S. & S. Timms Antiques Limited | Wholesale & retail | 1978 |
| S.B.S. South Coast Discount Stores Limited | | 1981 |
| S.Bainbridge Limited | Agriculture & fishing | 1970 |
| S.E.C. & Sons Limited | Real estate | 2022 |
| S.H.Y Construction (YS) Ltd | Construction | 2022 |
| S.H.Y Group (YS) Ltd | Financial services | 2022 |
| S2VC Ltd | Professional & scientific | 2021 |
| SA Fitness Richmond Ltd | Arts & recreation | 2025 |
| SA Gym Ltd | Arts & recreation | 2026 |
| Saadian & Associates Appraisal Services Ltd | Wholesale & retail | 2021 |