| Roycroft 1 Limited | Construction | 2025 |
| Roycroft Holding Limited | Financial services | 2025 |
| RP & Property Investments Ltd | Real estate | 2024 |
| RP Business Acquisitions Ltd | Financial services | 2026 |
| RP Plumbing & Heating Services Limited | Construction | 2023 |
| RPH Capital Ltd | Real estate | 2022 |
| RPL Maintenance Ltd | Administrative & support | 2026 |
| RPS Sales Solutions Limited | Professional & scientific | 2020 |
| RPW Land & Operations Limited | Real estate | 2026 |
| RS Consulting Worldwide Ltd | Public administration | 2022 |
| RS Garage (Salisbury) Ltd | Extraterritorial | 2022 |
| RS Plastering & Rendering Services Ltd | Construction | 2019 |
| RS Projects South Limited | Construction | 2014 |
| RS Williams Estates LLP | | 2023 |
| RSC Tiling Porcelain & Ceramics Ltd | Construction | 2023 |
| Rscm Enterprises Ltd | Information & communication | 2022 |
| RSD Holdings Ltd | Real estate | 2018 |
| Rseh Group Limited | Financial services | 2023 |
| RSH Associates Limited | Professional & scientific | 2018 |
| RSL Project Solutions Ltd | Administrative & support | 2013 |
| Rstfibresolutions Limited | Construction | 2025 |
| RT Homes (Developments) Limited | Construction | 2017 |
| RT Homes Ltd | Real estate | 2015 |
| Rttn Legal Ltd | Professional & scientific | 2022 |
| Rtuk Limited | Professional & scientific | 2023 |
| Ruddy Nice Limited | Information & communication | 2011 |
| Rude Giant (TRO) Limited | Hospitality | 2024 |
| Rude Giant Bars Limited | Hospitality | 2023 |
| Rude Giant Brewing Company Limited | Manufacturing | 2022 |
| Rude Giant Events Limited | Other services | 2023 |
| Rudman & Sheen (Holdings) Limited | Real estate | 1962 |
| Rufus Oak Limited | Wholesale & retail | 2018 |
| Rufus Rawley Ltd | Administrative & support | 2014 |
| Rulegate Limited | Real estate | 2005 |
| Rumbold-Ayers Limited | Professional & scientific | 2010 |
| Rumr Ltd | Information & communication | 2013 |
| Runlevelthree Limited | Administrative & support | 2006 |
| Runnaball Limited | Professional & scientific | 2024 |
| Runnymede Construction Ltd | Real estate | 2023 |
| Runway Accs Ltd | Wholesale & retail | 2022 |
| Rural View (Salisbury) Limited | Real estate | 2014 |
| Rural Vision Ltd | Real estate | 2003 |
| Rush Worldwide Limited | Transport & logistics | 2018 |
| Rushbrooks Auctioneers and Valuers Limited | Wholesale & retail | 2020 |
| Rushmore Farms Limited | Agriculture & fishing | 2015 |
| Russells Auto Body Centre Limited | Wholesale & retail | 2000 |
| Russet-Coated Consulting Limited | Public administration | 2024 |
| Russetts Investments and Advisory Limited | Real estate | 2023 |
| RV9D Ltd | Professional & scientific | 2019 |
| RW Legal Services Limited | Professional & scientific | 2017 |
| Ryalux Carpets Limited | Manufacturing | 2021 |
| Ryan ENT Ltd | Hospitality | 2025 |
| Rynne Elliott Property Group Ltd | Construction | 2024 |
| Ryns Holdings Ltd | Financial services | 2023 |
| Rysie's Patio's and Driveways Limited | Administrative & support | 2024 |
| S & a Investment Properties Limited | Financial services | 2015 |
| S & R Whitfield Limited | Information & communication | 2015 |
| S & S Sports Horses Ltd | Arts & recreation | 2021 |
| S B Joinery (UK) Limited | Manufacturing | 2012 |
| S Brennan Investments Limited | Real estate | 2024 |
| S J Butt & Sons Limited | Construction | 2006 |
| S Mebrautu Construction Ltd | Construction | 2018 |
| S R Document Storage Limited | Professional & scientific | 2001 |
| S R S Productions Limited | Arts & recreation | 2015 |
| S Stone Group Investments Ltd | Information & communication | 2024 |
| S Stone Group Ltd | Information & communication | 2024 |
| S Tizzard Limited | Manufacturing | 2011 |
| S X T Ltd | Transport & logistics | 2018 |
| S&Wwh Limited | Professional & scientific | 2003 |
| S-W Wholesale Limited | Wholesale & retail | 2023 |
| S.B. Joinery Installations (UK) Limited | Construction | 2016 |
| S.G.Roof Cleaning and Moss Removal Ltd | Administrative & support | 2021 |
| S.Hill & Company Limited | Real estate | 1926 |
| S.O.S. Technology Ltd | Professional & scientific | 2024 |
| S.R.P. Holdings Limited | Other services | 1993 |
| S.U. Fuel Systems Limited | Extraterritorial | 1987 |
| S2K Services Ltd | Wholesale & retail | 2026 |
| S8TRANS Ltd | Transport & logistics | 2025 |
| SA Estates Group Ltd | Real estate | 2026 |
| Saathi Solutions Ltd | Professional & scientific | 2019 |
| Sabai JAI Sport and Thai Massage Limited | Professional & scientific | 2025 |
| Sabretooth Holdings Limited | Financial services | 2023 |
| SAC Hardware Limited | Administrative & support | 2005 |
| Sacha Steyn Real Estate Ltd | Real estate | 2026 |
| Sackville Court Management Limited | Households | 1984 |
| Sackville Trustee Company Limited | Financial services | 1987 |
| Sacred Rose Limited | Wholesale & retail | 2025 |
| Saddlers House Limited | Professional & scientific | 2009 |
| Sadler Fields (Dunsfold) Management Company Limited | Households | 2025 |
| Safehouses North Ltd | Health & social care | 2005 |
| Safestix Limited | Wholesale & retail | 2009 |
| Safety Assurance Services Limited | Professional & scientific | 1998 |
| Safety Training and Consultancy Specialists Ltd | Professional & scientific | 2004 |
| Safety-Shoes.Co.Uk Ltd | Wholesale & retail | 2026 |
| Safety@Work Solutions Ltd | Other services | 2023 |
| Saffron Blues Cafe Limited | Hospitality | 2023 |
| Safh Ltd | Professional & scientific | 2014 |
| Safrc Ltd | Professional & scientific | 2024 |
| Sagar Property Holdings Limited | Real estate | 2016 |
| Sage Wealth Limited | Financial services | 2025 |