| THE Richmond Partnership Limited | Professional & scientific | 2002 |
| THE Ridgeway Expertise Company Ltd | Professional & scientific | 2003 |
| THE Ridings Residents Company (East Horsley) Limited | Administrative & support | 1976 |
| THE Rose Surrey Limited | Hospitality | 2024 |
| THE Royal Borough of Kingston-Upon-Thames Citizens Advice Bureaux Service | Health & social care | 1992 |
| THE S & P Designers Company Limited | Arts & recreation | 1988 |
| THE Sanderstead Property Centre Limited | Real estate | 2004 |
| THE Second Cobham Gate Management Company Limited | Households | 1992 |
| THE SEO Genie Limited | Information & communication | 2009 |
| THE Servicemen's Letting and Caretaking Agency | | 1992 |
| THE Shoe Box Haslemere Limited | Other services | 2007 |
| THE Shrublands Trust | Other services | 1997 |
| THE Sikh Directory Limited | Information & communication | 2005 |
| THE Sinclair Bureau Limited | | 1987 |
| THE Society for the Pilates Method Limited | Health & social care | 2020 |
| THE Solution Providers Limited | Information & communication | 1994 |
| THE Southern Motor Group Limited | Wholesale & retail | 1967 |
| THE Southern PAT Company Limited | Professional & scientific | 2003 |
| THE Spinney Management Company (Camberley) Limited | Households | 1997 |
| THE Surrey Cardiovascular Clinic Ltd | Health & social care | 2005 |
| THE Surrey Property Centre Limited | Real estate | 2004 |
| THE Sutton District Water PLC | Professional & scientific | 1990 |
| THE Swan Trust | Education | 2013 |
| THE Sweet Factory (International) Limited | Transport & logistics | 1993 |
| THE Travelling Tikki Ltd | Hospitality | 2025 |
| THE Vedere Partnership Limited | Professional & scientific | 2003 |
| THE Water Sanctuary Ltd | Wholesale & retail | 2024 |
| THE Welcoming Face of Britain Limited | Professional & scientific | 1989 |
| THE West Hill Golf Club (1959) Limited | Arts & recreation | 1959 |
| THE White Mccoy Ltd | Other services | 2024 |
| THE Wrap and Upgrade Centre Ltd | Wholesale & retail | 2025 |
| THE Wunique Cuisine Ltd | Hospitality | 2024 |
| Thechauffeurguide.Com Limited | Information & communication | 2002 |
| Therme Group Holding Ltd | Financial services | 2025 |
| Thexton Training Limited | Professional & scientific | 2002 |
| Third Rock Design Studios Limited | Information & communication | 2003 |
| Thirlestane House Residents Association (Hampton Hill) Limited | Administrative & support | 1965 |
| Thirteen Developments Limited | Administrative & support | 1996 |
| Thirty Four ST. Andrew's Square Maintenance Limited | Households | 1974 |
| Thiru Enterprises Ltd | Real estate | 2018 |
| Thistle Accounting Services Limited | Professional & scientific | 2002 |
| Thompson Bros. (Esher) Limited | Agriculture & fishing | 1955 |
| Thompson Information Systems Consulting Limited | Information & communication | 1998 |
| Thompson Plastics Limited | Manufacturing | 2005 |
| Thompsonpm (Property Management) Ltd | Real estate | 2025 |
| Thorgrin Television Limited | | 1981 |
| Thorn Scientific Services Limited | Professional & scientific | 2000 |
| Thornblue Residents Association Limited | Households | 1984 |
| Thornton Hill Property Limited | Professional & scientific | 2005 |
| Thornton Lodge Holdings Limited | Professional & scientific | 1997 |
| Thornton Trading Co. Limited | Construction | 1997 |
| Thrigby RD Holdings Ltd | Real estate | 2020 |
| Tiga Consulting Ltd | Professional & scientific | 2004 |
| Tiger Lily 888 Ltd | Hospitality | 2022 |
| Tigga Ltd | Information & communication | 1999 |
| Tiibz Developments Limited | Real estate | 2017 |
| Tiles Galore Limited | Wholesale & retail | 1984 |
| Tillacomms Limited | Wholesale & retail | 2000 |
| Tilsworth Montessori School Limited | Education | 2003 |
| TIM Long Ltd | Wholesale & retail | 2014 |
| Timbuktu.Kukuana Limited | Information & communication | 2025 |
| TIME2BUILD (UK) Limited | Wholesale & retail | 2006 |
| Timeline Consulting Ltd | Professional & scientific | 2004 |
| Tingara Investments Ltd | Administrative & support | 2004 |
| Tintagel Property Company Limited | Real estate | 1999 |
| Tinturn Limited | Real estate | 1989 |
| Tinytalk Limited | Education | 2003 |
| TIO UK Limited | Administrative & support | 2003 |
| Tithe Barn Photography Limited | Professional & scientific | 1995 |
| TK Consulting Limited | Information & communication | 1996 |
| TKM Enterprise Ltd | Wholesale & retail | 2011 |
| TKS Partnerships Limited | Professional & scientific | 2016 |
| TLC Coms Limited | Professional & scientific | 2001 |
| TMD Ventures Limited | Professional & scientific | 2002 |
| TMG Legal Limited | Administrative & support | 2023 |
| TMN Projects Ltd | Professional & scientific | 2003 |
| TN1 Grab Hire Ltd | Water & waste | 2015 |
| Toboscy Limited | Financial services | 2003 |
| TOC Engineering Limited | Manufacturing | 2003 |
| TOD Engineering Consultants Limited | Professional & scientific | 2007 |
| Todini UK Limited | Wholesale & retail | 2021 |
| Tohim Limited | Professional & scientific | 2005 |
| TOJ Investments Limited | Construction | 2001 |
| TOM Ingram Event Management Limited | | 1991 |
| Tometex Limited | Public administration | 2001 |
| Tommy Harris (Models) Limited | | 1977 |
| Tony Leach Associates Limited | Professional & scientific | 2003 |
| Tony's Cafe Deli Ltd | Hospitality | 2018 |
| Tony's News Limited | Wholesale & retail | 2006 |
| Toomey Estate Agents Limited | Real estate | 2004 |
| Top Leisure Limited | Real estate | 2007 |
| Top Quality Documents Ltd | Professional & scientific | 2003 |
| Top Spices Ltd | Hospitality | 2019 |
| Top Stock Papers Limited | Wholesale & retail | 1986 |
| Topstock Paper (Converters) Limited | Manufacturing | 1989 |
| Total Education Consultancy Limited | Professional & scientific | 2006 |
| Total Motor Care UK Ltd | Wholesale & retail | 2006 |
| Totallyapt Limited | Arts & recreation | 2003 |
| Tots Carpentry Limited | Manufacturing | 2005 |
| Touchfinder Information Systems Limited | Information & communication | 1991 |