| Westate Investment Management Limited | Financial services | 2004 |
| Westbrook and James Ltd | Manufacturing | 2026 |
| Westbrook Recruitment Limited | Professional & scientific | 2024 |
| Westbury Farm Estates Limited | Agriculture & fishing | 2008 |
| Westell Properties Limited | Real estate | 2023 |
| Western Fabric London Ltd | Wholesale & retail | 2026 |
| Westfield Eastfield (Guildford) Management Limited | Households | 1978 |
| Westmead Property Services Ltd. | Households | 1995 |
| WEY Court Management Company Limited | Real estate | 2000 |
| WEY Grove Consulting Limited | Information & communication | 2016 |
| WEY House Management Limited | Households | 1984 |
| WEY Valley Produce Limited | Agriculture & fishing | 2009 |
| Weybridge Environmental Services Ltd | Water & waste | 2016 |
| Weybrook Business Brokers Limited | Administrative & support | 2017 |
| Weybrook Financial Management Limited | Financial services | 2011 |
| Weycourt Investments Limited | Financial services | 2024 |
| Weygate Services Limited | Professional & scientific | 2013 |
| Weylea Accounting Limited | Professional & scientific | 2019 |
| Weyside Architects Ltd | Professional & scientific | 2015 |
| Weyside Place (Guildford) Management Company Limited | Households | 2015 |
| Weywood Limited | Administrative & support | 2023 |
| WFW Build Ltd | Construction | 2013 |
| WH Consulting Services Ltd | Information & communication | 2015 |
| What's That Flashing Ltd | Professional & scientific | 2018 |
| Whatimpact Enterprises Ltd | Information & communication | 2016 |
| Whatimpact Ltd | Information & communication | 2023 |
| WHD Healthcare Ltd | Health & social care | 2025 |
| Wheeler & Choi Ltd | Wholesale & retail | 2025 |
| Whelan Court Freehold Company Limited | Households | 2023 |
| Wherwell (Guildford) Residents Company Limited | Households | 1985 |
| Whipley Manor Farm Limited | Agriculture & fishing | 1939 |
| White Court Management (Guildford) Limited | Households | 1970 |
| White Horizon Chalets Limited | Hospitality | 2004 |
| White Horse Surveyors Limited | Professional & scientific | 2006 |
| White House Management (One) Company Limited | Households | 2020 |
| White House Management (Two) Company Limited | Households | 2020 |
| White Rose Associates Limited | Professional & scientific | 1987 |
| White Rose Property Associates Limited | Real estate | 2020 |
| White Stone Corporate Limited | Extraterritorial | 2009 |
| White Stone Group Limited | Professional & scientific | 2009 |
| White Stone Holdings Limited | Financial services | 2009 |
| White Tiger Coffee Ltd | Hospitality | 2010 |
| White Way Solutions Ltd | Health & social care | 2010 |
| Whiteley Medical Instruments Limited | Manufacturing | 2022 |
| Whiteley Publishing Limited | Information & communication | 2011 |
| Whitmoor Properties Limited | Administrative & support | 2015 |
| Whittingtons Business Services Limited | Professional & scientific | 2009 |
| Whittle Corporation Limited | Real estate | 2024 |
| Whizz Productions Ltd | Information & communication | 2019 |
| WHN Investments Limited | Financial services | 2021 |
| Wholesome Fruit VEG and MIX Ltd | Wholesale & retail | 2022 |
| Whollow Limited | Wholesale & retail | 2021 |
| WHS Consulting Ltd | Information & communication | 2022 |
| Whyte Management Limited | Professional & scientific | 2019 |
| Wideimpression Ltd | Information & communication | 2024 |
| Wigwam Business Limited | Professional & scientific | 2014 |
| Wigwam Public Relations Limited | Professional & scientific | 2014 |
| Wiitaa Healthcare Ltd | Health & social care | 2019 |
| Wikke Limited | Information & communication | 2010 |
| Wild Africa Safaris Limited | Professional & scientific | 1999 |
| Wild Consult Ltd | Professional & scientific | 2026 |
| Wild Courage Limited | Professional & scientific | 2007 |
| Wildcroft Limited | Agriculture & fishing | 2015 |
| Wilderspin Accountancy Services Limited | Professional & scientific | 2008 |
| Wilky Asset Management Limited | Extraterritorial | 2004 |
| Wilky Fund Management Limited | Extraterritorial | 2004 |
| Wilky Property Holdings Limited | Construction | 1979 |
| Will Page Consulting Limited | Professional & scientific | 2014 |
| William George Homes (Abinger House) Limited | Construction | 2022 |
| William House Freehold Ltd | Households | 2015 |
| William J Inventions Limited | Information & communication | 2011 |
| Willie Weeks Ltd | Information & communication | 2019 |
| Willoak Limited | Information & communication | 2024 |
| Willow and Wren Holdings Ltd | Financial services | 2024 |
| Willow and Wren Properties Ltd | Real estate | 2024 |
| Willow and Wren Studio Ltd | Professional & scientific | 2025 |
| Willow Construction Group Ltd | Construction | 2019 |
| Willow Grange Care Limited | Health & social care | 2017 |
| Willow Health Therapy Rooms Ltd | Real estate | 2025 |
| Willow Lane Residents Ltd | Real estate | 2015 |
| Willow Place (Guildford) Management Co Ltd | Households | 2023 |
| Willow Point (Guildford) Property Management Limited | Households | 2006 |
| Willow Storage Solutions Limited | Real estate | 2014 |
| Willowstone Construction Limited | Construction | 2007 |
| Wills Roofing&Building Services Ltd | Construction | 2025 |
| Wilrose Environmental Limited | Water & waste | 2015 |
| Wilsinty Limited | Transport & logistics | 2025 |
| Wilson and Sharp Developments Limited | Real estate | 2011 |
| Wilson and Sharp Holdings Limited | Professional & scientific | 2013 |
| Wilson Brown Limited | Administrative & support | 2024 |
| Wilson Electrical Distributors Limited | Wholesale & retail | 1980 |
| Wilson Papps and Stone LLP | | 2021 |
| Wilson Tobacco Company Limited | Professional & scientific | 1989 |
| Wilsons-Erp Limited | Information & communication | 2017 |
| Wilton Security Systems Limited | Administrative & support | 2004 |
| Windacres Limited | Hospitality | 1990 |
| Windows by Durrant Ltd | Construction | 2022 |
| Windsong Residents Management Company Limited | Households | 2025 |
| Windsor Close (Guildford) Residents Association | Households | 1968 |
| Windsor Montessori House of Children Limited | Education | 2015 |