| Richard Creative Limited | Information & communication | 2020 |
| Richer Mortgage & Retirement Limited | Professional & scientific | 2018 |
| Rider Heating Services Ltd | Construction | 2023 |
| Riedling & Mouser Limited | Wholesale & retail | 2019 |
| Rigby's Repairs and Resprays Ltd | Wholesale & retail | 2015 |
| Right Management Services (Holdings) Ltd | Construction | 2010 |
| Right Management Services Limited | Construction | 1995 |
| Right OPS (International) Limited | Other services | 2018 |
| Rising Sun Chelmsford Ltd | Hospitality | 2022 |
| Riso Home Limited | Manufacturing | 2022 |
| Ritz Inns Limited | Hospitality | 2007 |
| Rivenstars Early Education Limited | Education | 2018 |
| River Skye Partners Limited | Agriculture & fishing | 2015 |
| Rivers Estate Agency Limited | Real estate | 2025 |
| Rivers Residential Limited | Real estate | 2025 |
| Riverside HIU Services Ltd | Construction | 2021 |
| Riverside Swimming Pool Ltd | Education | 2023 |
| Rivett Roofing Limited | Construction | 2005 |
| Riviera Sun Properties Limited | Real estate | 2003 |
| Rjnc Property Services Ltd | Professional & scientific | 2025 |
| RLW Consultancy Services Limited | Information & communication | 2022 |
| Rmdm Advisory Ltd | Professional & scientific | 2025 |
| Rmjg Investments Ltd | Arts & recreation | 2025 |
| RO Copenhagen Ltd | Manufacturing | 2017 |
| Roamwild Limited | Wholesale & retail | 2011 |
| ROB Slade Smart Repairs Ltd | Wholesale & retail | 2015 |
| Robert Howard Limited | Extraterritorial | 2007 |
| Robinwill Construction Consultancy Limited | Administrative & support | 2006 |
| Robosure Properties Limited | Real estate | 2015 |
| Rock Associates (Property) Ltd | Construction | 2001 |
| Rocky Olive PUB Company Ltd | Financial services | 2022 |
| Rocky's Catering Solutions Ltd | Hospitality | 2022 |
| Rocky's Daycare Ltd | Health & social care | 2023 |
| Rogerson & SON Limited | Construction | 2003 |
| Roman Road Property Limited | Real estate | 2019 |
| Romans Fragrances Limited | Wholesale & retail | 2022 |
| Romstor Limited | Manufacturing | 1998 |
| Rooms & Spaces Ltd | Real estate | 2025 |
| Rosetta Building Construction Limited | Construction | 2012 |
| Ross Carrington Bespoke Limited | Wholesale & retail | 2012 |
| Ross Revenge (Sales) Limited | Wholesale & retail | 2022 |
| Rossi Marine Limited | Professional & scientific | 2018 |
| Routeeasy Ltd | Transport & logistics | 2023 |
| Rowles Consulting Ltd | Professional & scientific | 2015 |
| Roxhaus Ltd | Arts & recreation | 2025 |
| Roxwell Pre-School Ltd | Education | 2011 |
| Royleday Investments Limited | Real estate | 2017 |
| RP Renovations Limited | Construction | 2024 |
| RSH Entertainment Ltd | Arts & recreation | 2005 |
| Rudd Holdings Limited | Financial services | 2025 |
| Rudha NA Craige Ltd | Hospitality | 2019 |
| Rugg Entertainment Ltd | Health & social care | 2024 |
| Ruletown Group Ltd | Financial services | 2020 |
| Ruletown Properties Limited | Real estate | 2019 |
| Rushbrook Baker Plumbing & Heating Limited | Construction | 2017 |
| Rustic Garden Furniture Limited | Manufacturing | 2006 |
| Ruthless Gums Ltd | Manufacturing | 2024 |
| RV Property Group Ltd | Real estate | 2019 |
| RWM Group Ltd | Extraterritorial | 2021 |
| Ryan Golding Limited | Professional & scientific | 2011 |
| Rydal Business Services LLP | | 2024 |
| S & C Property Group Limited | Real estate | 2025 |
| S & K Groundwork Solutions Limited | Construction | 2010 |
| S & K Groundworks Ltd | Construction | 2018 |
| S and C Haulage Ltd | Transport & logistics | 2020 |
| S and R Peak Consultants Ltd | Other services | 2023 |
| S B Electrical Solutions Ltd | Construction | 2020 |
| S C Autos (Dunmow) Ltd | Wholesale & retail | 2014 |
| S G J R Services Limited | Real estate | 2004 |
| S J S Associates Limited | Real estate | 1985 |
| S Technical Limited | Administrative & support | 2025 |
| S Waghorn Ltd | Arts & recreation | 2022 |
| S.A.S. Scaffolding Services Ltd. | Construction | 2017 |
| SAA Clothing Limited | Wholesale & retail | 2023 |
| SAB & Sons Ltd | Professional & scientific | 2018 |
| Safeguarding Care Solutions Ltd | Health & social care | 2018 |
| Safetech Ltd | Information & communication | 2012 |
| Sahare Limited | Health & social care | 2025 |
| Salisbury Enterprises Ltd | Construction | 2020 |
| Salmon Court Limited | Real estate | 2021 |
| Salon Invitation Ltd | Other services | 2005 |
| SALON90 Limited | Other services | 2018 |
| Salt Swimwear UK Limited | Wholesale & retail | 2025 |
| Saltcote Maltings Limited | Real estate | 2007 |
| Samantha Fuller Stock Auditor Services Ltd | Professional & scientific | 2015 |
| Samson Consulting Limited | Professional & scientific | 2004 |
| Sanaurora Limited | Financial services | 2016 |
| Sandie's Aesthetics & Lashes Ltd | Other services | 2022 |
| Sarac Engineering LLP | | 2011 |
| Sarah's Hair Bespoke Ltd | Other services | 2025 |
| Sattva Meta Ltd | Information & communication | 2021 |
| Save Plus Limited | Wholesale & retail | 2020 |
| Save Plus Property Ltd | Real estate | 2026 |
| Savvy Salon Club Limited | Professional & scientific | 2021 |
| Saxon House Property Management Company Limited | Professional & scientific | 2013 |
| SBR Systems Ltd | Administrative & support | 2020 |
| Schelvis Holdings Limited | Real estate | 2021 |
| Schelvis Homes Limited | Real estate | 2026 |
| Scholars Mews Residents RTM Company Limited | Households | 2008 |
| SCM Contractors Ltd | Construction | 2019 |