| Sera Technologies Limited | Information & communication | 2007 |
| Sereia Limited | Information & communication | 2006 |
| Serene Homes Group Limited | Real estate | 2020 |
| Serene PV Ltd | Real estate | 2020 |
| Serenity Lounge Limited | Other services | 2013 |
| Setscape Limited | Construction | 2013 |
| Shetland Ltd | Extraterritorial | 2021 |
| Sian Property Improvements Ltd | Construction | 2014 |
| Siennacirrus Ltd | Information & communication | 2025 |
| Simmons Associates Limited | Administrative & support | 1997 |
| Simon Nash Limited | Professional & scientific | 2015 |
| Simon Palmer Limited | Wholesale & retail | 2005 |
| Simply Vintage Ltd | Wholesale & retail | 2021 |
| Simpson Commercial Developments Ltd | Real estate | 2021 |
| Simpson Joinery (Midhurst) Ltd | Construction | 2014 |
| Sivad Services Limited | Information & communication | 2018 |
| SK Electrical & Security Systems Limited | Construction | 2000 |
| SLD Construction Limited | Construction | 2018 |
| Smart Groundwork & Landscaping Ltd | Construction | 2023 |
| Smart Sparks Ltd | Construction | 2014 |
| Smith Limited | Information & communication | 1994 |
| Snapdragon Composites Limited | Manufacturing | 2023 |
| Snapdragon Holdings Limited | Professional & scientific | 2015 |
| Snapdragon Machining Ltd | Manufacturing | 2022 |
| Snapdragon Racing Limited | Administrative & support | 2023 |
| Soal Solutions Ltd | Construction | 2015 |
| Somewhat Hinged Limited | Information & communication | 2021 |
| Soulscapes Limited | Administrative & support | 2017 |
| South Atlantic Trading Limited | Wholesale & retail | 2003 |
| South Downs Eco Solutions Limited | Construction | 2025 |
| South East Electrical and Renewables Ltd | Construction | 2025 |
| Southern Counties Music Services Limited | Education | 2003 |
| Southern Hydro Ltd | Professional & scientific | 2020 |
| Spence AH Consulting Limited | Professional & scientific | 2016 |
| Spencer Holt Limited | Wholesale & retail | 1995 |
| Spiderbyte Solutions Ltd | Information & communication | 2017 |
| Sportsitalia Ltd | Wholesale & retail | 2019 |
| Sportsitalia Nord Limited | Extraterritorial | 2025 |
| Sportsmaserati Limited | Wholesale & retail | 2025 |
| Spring Court (Haslemere) Management Limited | Households | 2007 |
| Springmead Court Management Limited | Households | 1987 |
| Stag RE Ltd | Professional & scientific | 2025 |
| Steadfast Management Limited | Households | 1998 |
| Stealthtech Systems Ltd | Professional & scientific | 2018 |
| Steam Heritage Publishing Ltd | Information & communication | 2013 |
| Steerwell Limited | Wholesale & retail | 1999 |
| Stelvon Ltd | Wholesale & retail | 2025 |
| Stewards Consultancy Ltd | Real estate | 2018 |
| Stones Lettings Ltd | Construction | 2024 |
| Stream Properties Ltd | Administrative & support | 2003 |
| Stuart Hunt Consulting Limited | Professional & scientific | 2020 |
| Stuarts Towing Services Ltd | Transport & logistics | 2025 |
| Stun'D AK Ltd | Wholesale & retail | 2025 |
| Sully Group ( E Tech London) Ltd | Financial services | 2020 |
| Sun Smart Schools UK CIC | Education | 2026 |
| Sunningdale & Ascot Trading Company Limited | Wholesale & retail | 2015 |
| Superyacht Publications Ltd | Information & communication | 2011 |
| Supreme Freedom to Travel Limited | Transport & logistics | 2010 |
| Surfdyne Limited | Agriculture & fishing | 1992 |
| Surrey Bees Training Limited | Agriculture & fishing | 2024 |
| Surrey Broadcast Limited | Information & communication | 2018 |
| Surrey Holistic Ltd | Real estate | 2021 |
| Surrey Power Machinery Ltd | Manufacturing | 2025 |
| Surrey Sensors Limited | Manufacturing | 2015 |
| Sweetberry Tech Limited | Information & communication | 2018 |
| Swico Holdings Limited | Real estate | 1990 |
| Swico Limited | Wholesale & retail | 1949 |
| Swico Watch Service Centre Limited | Wholesale & retail | 2013 |
| Swiss Watch Importing Company Limited | Wholesale & retail | 1998 |
| Syrah Ltd | Information & communication | 2018 |
| T Abbott Properties Ltd | Real estate | 2020 |
| T&Me Limited | Other services | 2019 |
| T2P Limited | Information & communication | 2020 |
| Tailor-Made Partnership Ltd | Agriculture & fishing | 2025 |
| Talent Strategist Advisory Ltd | Information & communication | 2026 |
| Tandoori Village Limited | Hospitality | 2024 |
| Taste of Delights Ltd | Hospitality | 2025 |
| Taverstock Limited | Wholesale & retail | 2002 |
| TDH Estates Limited | Real estate | 2009 |
| Tecflair Ltd | Information & communication | 2013 |
| Techmed Ltd | Professional & scientific | 2025 |
| Technical Electrical Limited | Professional & scientific | 2024 |
| Tellini Digital Ltd | Information & communication | 2010 |
| Thai Cottage Ltd | Hospitality | 2013 |
| THE Artichoke House Ltd | Information & communication | 2013 |
| THE Blueberry Agency Limited | Professional & scientific | 2014 |
| THE Cappuccino Holding Company Ltd | Financial services | 2016 |
| THE Car Hire Team Ltd | Administrative & support | 2020 |
| THE Car Network Limited | Wholesale & retail | 1986 |
| THE Cardiac Screening Company Limited | Health & social care | 2022 |
| THE Classic Home Company (Southern) Limited | Construction | 2010 |
| THE Clovelly Park Residents Association Limited | Households | 1993 |
| THE Company Hub Ltd | Professional & scientific | 2026 |
| THE Cuil Bay Limited | Professional & scientific | 2024 |
| THE Fabricate Clothing Company Ltd | Transport & logistics | 1997 |
| THE Florida First Travel Company Ltd | Administrative & support | 2015 |
| THE Furniture Helpline | Water & waste | 2008 |
| THE Gardens Office Village Limited | Real estate | 2006 |
| THE Goodwin Asset Management Company Ltd | Professional & scientific | 2025 |
| THE Hair Chair Haslemere Ltd | Other services | 2026 |