| RDB Trading Limited | Professional & scientific | 2023 |
| RDT Property Limited | Real estate | 2015 |
| RDY Developments Ltd | Construction | 2024 |
| Reading-Williams Limited | Administrative & support | 2018 |
| Readymotors Limited | Wholesale & retail | 2021 |
| Realise Property Consultants Ltd | Professional & scientific | 2018 |
| Realty Centre Ltd | Professional & scientific | 2014 |
| Red Clapper Ltd | Hospitality | 2022 |
| Red DOT Advisory Limited | Information & communication | 2007 |
| Red DOT Partnership Limited | Professional & scientific | 2024 |
| Red Shoes Corporation Limited | Administrative & support | 2014 |
| Red Shrike Properties Limited | Extraterritorial | 2004 |
| Redglebe Residents Association Limited | Real estate | 1984 |
| Redoor Limited | Wholesale & retail | 2013 |
| Redstone Education Ltd | Education | 2025 |
| Reducer 2.0 Ventures Limited | Administrative & support | 2022 |
| Refit Design and Build Ltd | Construction | 2025 |
| Reformatting Function Limited | Wholesale & retail | 2023 |
| Regal Plumbing & Heating Limited | Construction | 2024 |
| Reidy Properties Ltd | Households | 2023 |
| Reliable Source Limited | Wholesale & retail | 2011 |
| Relocate London ( Global ) Limited | Administrative & support | 2016 |
| Residential Sanctuary Ltd | Real estate | 2024 |
| Revenite Limited | Professional & scientific | 2021 |
| Rexcix Limited | Real estate | 2001 |
| REY London Limited | Health & social care | 2013 |
| RG Renovations Limited | Real estate | 2022 |
| Rhian Morallee Consulting Limited | Professional & scientific | 2025 |
| Ricemann & Co Ltd | Real estate | 2024 |
| Ringleader Residential Ltd | Real estate | 2019 |
| RIO Two Limited | Construction | 2021 |
| Rippy Official Ltd | Wholesale & retail | 2025 |
| Rise Beyond Barriers C.I.C. | Professional & scientific | 2024 |
| Riverdale Road Freehold Ltd | Administrative & support | 2015 |
| Rizea and Sons Limited | Construction | 2022 |
| Rizwards Leather Ltd | Wholesale & retail | 2020 |
| RJ Clean Air Ltd | Professional & scientific | 2020 |
| RNC Property Assets Limited | Real estate | 2019 |
| Robert Bicknell Fine Jewellery Limited | Other services | 2014 |
| Roberts Worldwide Travel Group Ltd | Administrative & support | 2021 |
| Rock N Roller - Roller Discos Limited | Arts & recreation | 2008 |
| Rockitt Resourcing Ltd | Professional & scientific | 2010 |
| Roker Taylor Ltd | Transport & logistics | 2023 |
| Roni Financial Consulting Ltd | Professional & scientific | 2021 |
| Ronjohn Properties Ltd | Real estate | 2019 |
| Rosella Short Consulting Limited | Real estate | 2016 |
| Rosemount Allotments Limited | Arts & recreation | 2019 |
| Ross Edwards Production Design Limited | Arts & recreation | 2014 |
| Rowanwood Rentals Ltd | Real estate | 2024 |
| Rowhill Communications Limited | Professional & scientific | 2013 |
| RPB Construction Services Ltd | Construction | 2023 |
| Rpck Properties Ltd | Households | 2023 |
| RPM Chislehurst Limited | Construction | 2018 |
| RT Renovations London Ltd | Construction | 2018 |
| RUM Runna Ltd | Wholesale & retail | 2017 |
| Rupert OB Group Ltd | Real estate | 2025 |
| Rutland Court (Chislehurst) Residents Association Limited | Households | 1965 |
| Ryan Hawkins Contracting & Consultancy Ltd | Construction | 2018 |
| Ryerland Ltd | Construction | 2018 |
| S a Skerrett (Consultancy) Limited | Financial services | 2020 |
| S Creative PR Limited | Professional & scientific | 2014 |
| S D Developments Limited | Construction | 2020 |
| S E One Builders Limited | Construction | 2012 |
| S Frost Installations Ltd | Construction | 2014 |
| S&R Services Chislehurst Limited | Professional & scientific | 2009 |
| S.O.H. Properties Limited | Households | 2020 |
| S.P.A Wellness Ltd | Other services | 2023 |
| Saavi Property Development Limited | Real estate | 2025 |
| Saber Capital Ltd | Real estate | 2021 |
| Saddle Advancement Company Limited | Wholesale & retail | 2004 |
| Sagittarius Style Ltd | Arts & recreation | 2021 |
| Saint Brand Consultants Limited | Professional & scientific | 2015 |
| Saith Jewellery Ltd | Wholesale & retail | 2023 |
| Salazium Corporation Ltd | Information & communication | 2010 |
| Salesgen Global Limited | Education | 2026 |
| Sall Construction (London) Limited | Construction | 2010 |
| Salvatore Homes Limited | Real estate | 2026 |
| Samestfat Limited | Administrative & support | 2016 |
| Samphire House Ltd. | Households | 2018 |
| Sampson Bailey Solicitors Ltd | Professional & scientific | 2021 |
| Samshady Ltd | Health & social care | 2023 |
| Sandher Medical Services Limited | Health & social care | 2025 |
| Sandhu Management Ltd | Financial services | 2017 |
| Sandra Howgate Limited | Arts & recreation | 2016 |
| Sanik Limited | Wholesale & retail | 2015 |
| Sans PT Limited | Real estate | 2021 |
| SAR Freeholding Ltd | Administrative & support | 2015 |
| Sarah Grundy Consulting Ltd | Administrative & support | 2025 |
| Sarah Russell Hypnotherapy Ltd | Health & social care | 2026 |
| Saran Global Media Ltd | Professional & scientific | 2025 |
| Sardi Limited | Construction | 2025 |
| Sarnia Solutions Limited | Professional & scientific | 2019 |
| Sass Swan Limited | Hospitality | 2022 |
| Savage Mother Creative Ltd | Professional & scientific | 2023 |
| Savanna Capital Limited | Professional & scientific | 2011 |
| Savannah Capital Management Limited | Financial services | 2022 |
| SBL Capital Limited | Financial services | 2016 |
| SBM London Ltd | Construction | 2017 |
| Scaffex International UK Limited | Wholesale & retail | 2025 |
| Scale IT UP Media Limited | Administrative & support | 2024 |