| Rowan Energy Ltd | Energy | 2011 |
| Rowena Health Limited | Health & social care | 2022 |
| Roxato Hospitality Limited | Hospitality | 2023 |
| Rozby Limited | Hospitality | 2022 |
| Rozecroft Ltd | Real estate | 2010 |
| RPC Estates (Farnborough) Limited | Financial services | 2021 |
| RPC Properties (Surrey) Limited | Extraterritorial | 2021 |
| RPG Property Solutions Limited | Construction | 2024 |
| RR Hillyard Ltd | Construction | 2024 |
| RRE Limited | Other services | 2016 |
| Rsth Investments Ltd | Professional & scientific | 2003 |
| Runswick Limited | Professional & scientific | 2001 |
| Rupipe Drain & Duct Supplies Limited | Wholesale & retail | 2014 |
| Russell's Hedges and Tree Care Ltd | Administrative & support | 2025 |
| Rusty Investments Limited | Extraterritorial | 2011 |
| Rynda Capital Partners Europe LLP | | 2009 |
| Rynda Capital Three LLP | | 2017 |
| Rynda Property Investors LLP | | 2005 |
| Rynda UK Limited | Administrative & support | 2006 |
| S - M Consulting Limited | Professional & scientific | 1999 |
| S a Pollard Developments Limited | Real estate | 2000 |
| S G Ford Construction Limited | Construction | 2014 |
| S&B TEC Limited | Administrative & support | 2016 |
| S&G Barber Ltd | Other services | 2022 |
| S. YEO (Consultancy) Limited | Information & communication | 2004 |
| Saba (7) Consulting Limited | Information & communication | 2008 |
| SAF Consumer Finance Ltd | Financial services | 2021 |
| SAF Group Ltd | Financial services | 2021 |
| SAF Stocking Finance Ltd | Financial services | 2021 |
| Safe Group Solutions Limited | Construction | 2025 |
| Safeboat Limited | Manufacturing | 2023 |
| Safetytoolbox Ltd | Professional & scientific | 2012 |
| Sagaz Holdings Ltd | Real estate | 2019 |
| Sage Family Holdings Limited | Financial services | 2025 |
| Saint-Germain Pharma Ltd | Wholesale & retail | 2016 |
| Salon Collection UK Ltd | Wholesale & retail | 2020 |
| Salon DE Charme Ltd | Other services | 2023 |
| Salt of the Earth Consultancy Limited | Administrative & support | 2018 |
| SAM Middleton Limited | Wholesale & retail | 2008 |
| Sambath Ltd | Wholesale & retail | 2021 |
| Sammi-Select Ltd | Administrative & support | 2019 |
| SAN Bernabe Holdings Limited | Financial services | 2020 |
| Sandbox Code Limited | Information & communication | 2017 |
| Sandia Consulting Limited | Information & communication | 2021 |
| Sandia Limited | Wholesale & retail | 2018 |
| Sandown Motorcycles Ltd | Wholesale & retail | 2023 |
| Sandrock House (Godalming) Limited | Households | 1985 |
| SAP Testing Ltd | Information & communication | 2017 |
| Sapienti Consultancy Ltd | Professional & scientific | 2015 |
| Sapienti Solutions Ltd | Construction | 2025 |
| Sara Mulvanny Illustration Limited | Other services | 2020 |
| Sarah Keates Limited | Other services | 2012 |
| Sardine Agencies Ltd | Wholesale & retail | 2020 |
| SAS Pest Control Limited | Administrative & support | 2015 |
| Satellite Works Ltd | Professional & scientific | 2022 |
| Sauvignon Wines UK Ltd | Wholesale & retail | 2016 |
| Sawubona Consulting Ltd | Professional & scientific | 2023 |
| Saxon Estates Ltd | Real estate | 1996 |
| Saxons Pear Tree Lane Ltd | Extraterritorial | 2023 |
| Scarlett Advisory Limited | Professional & scientific | 2023 |
| SCH Groundwork Ltd | Construction | 2017 |
| School Estates Consultancy Ltd | Professional & scientific | 2014 |
| School Estates Management Ltd | Administrative & support | 2016 |
| Scientific Systems Corporation Limited | Extraterritorial | 2010 |
| Scitech Engineering Ltd | Professional & scientific | 2001 |
| Scizdons Climb Management Company Limited | Real estate | 1997 |
| Scops OWL Ltd | Financial services | 2025 |
| Scott Planning Ltd | Professional & scientific | 2022 |
| Scsengineers Ltd | Professional & scientific | 2021 |
| Sea Urchin Swim Apparel Ltd | Manufacturing | 2024 |
| Seafarer Payroll Solutions Limited | Professional & scientific | 2023 |
| Secrett Garden Landscapes Ltd | Administrative & support | 2019 |
| Securium Limited | Information & communication | 2016 |
| Seemorgh UK One PVT Ltd | Professional & scientific | 2007 |
| Seniors Living Group Limited | Financial services | 2020 |
| Senses and Beauty Limited | Other services | 2023 |
| Sentinel Health Care Limited | Health & social care | 1992 |
| Serac Capital Management Limited | Professional & scientific | 2020 |
| Serenity First Ventures Ltd | Professional & scientific | 2021 |
| Sernova Financials Limited | Information & communication | 2015 |
| Seven Two Zero Property Limited | Information & communication | 2016 |
| Seymours Estate Agents (Godalming) Limited | Real estate | 2010 |
| Seymours Estate Agents (Grayshott) Limited | Real estate | 2023 |
| SG & DJ Allison Ltd | Construction | 2003 |
| Sgea Holdings Limited | Real estate | 2014 |
| Sgea Holdings Topco Limited | Real estate | 2024 |
| Shackleford Cricket Club Ltd | Arts & recreation | 2012 |
| Shackleford Village Shop Limited | Wholesale & retail | 2006 |
| Shark and Co Holdings (UK) Limited | Financial services | 2024 |
| Shark Car Design Ltd | Wholesale & retail | 2024 |
| Shaw & Co Holdings Ltd | Construction | 2023 |
| Shaw Leadership Development Limited | Professional & scientific | 2016 |
| Shea Holdings Limited | Real estate | 2024 |
| Sheep's Cottage Property Administration Limited | Households | 2024 |
| Sheev Ltd | Professional & scientific | 2019 |
| Shehi Construction Ltd | Construction | 2019 |
| Sheppard Consulting Limited | Other services | 2014 |
| Sherborne Court (Guildford) Management Company Limited | Households | 1986 |
| SHERE91 Ltd | Wholesale & retail | 2012 |
| Shimba Holdings Ltd | Financial services | 2026 |