| Witney Beechgate Management Limited | Households | 2022 |
| Witney Blanket Hall C.I.C. | Arts & recreation | 2013 |
| Witney Blankets Limited | Wholesale & retail | 2023 |
| Witney Browns LLP | | 2017 |
| Witney Car & Commercial Limited | Wholesale & retail | 2023 |
| Witney Care Solutions Ltd | Administrative & support | 2018 |
| Witney Coffee House Ltd | Hospitality | 2024 |
| Witney Curry Paradise Limited | Hospitality | 2026 |
| Witney Forecourt Limited | Wholesale & retail | 2020 |
| Witney Framing Ltd | Administrative & support | 2021 |
| Witney General Practitioners Ltd | Health & social care | 2018 |
| Witney Hand Car Wash Ltd | Health & social care | 2026 |
| Witney Homes Ltd | Real estate | 2024 |
| Witney Hydrotherapy and Grooming Ltd | Professional & scientific | 2019 |
| Witney Junior Bridge Club Ltd | Arts & recreation | 2023 |
| Witney Lawn Tennis Club Limited | Arts & recreation | 2025 |
| Witney Legal Services Limited | Information & communication | 2014 |
| Witney Letterbox Limited | Information & communication | 2016 |
| Witney Local Ltd | Wholesale & retail | 2022 |
| Witney Masonic Centre Limited | Arts & recreation | 2011 |
| Witney Mills Cricket Club Limited | Arts & recreation | 2025 |
| Witney Mobile Veterinary Services Limited | Professional & scientific | 2020 |
| Witney Modern Equitation Centre LLP | | 2024 |
| Witney MOT & Services Ltd | Wholesale & retail | 2026 |
| Witney MOT Centre Ltd | Wholesale & retail | 2021 |
| Witney Motor Co.Limited(The) | Wholesale & retail | 1959 |
| Witney Motorbike Breakers Ltd | Wholesale & retail | 2012 |
| Witney Music Festival Limited | Arts & recreation | 2013 |
| Witney Pizza Limited | Hospitality | 2023 |
| Witney Plant & Commercial Sales Limited | Wholesale & retail | 2012 |
| Witney Plant Hire Limited | Administrative & support | 2000 |
| Witney Projectile Range Limited | Arts & recreation | 2020 |
| Witney Properties Ltd | Hospitality | 2015 |
| Witney Radio CIC | Information & communication | 2018 |
| Witney RFC Property Company Limited | Other services | 2007 |
| Witney Road MOT Centre Limited | Wholesale & retail | 2006 |
| Witney Rugby Football Club Limited | Arts & recreation | 2006 |
| Witney School of Motoring Limited | Education | 2003 |
| Witney Spice Limited | Hospitality | 2025 |
| Witney Storage Ltd | Real estate | 2013 |
| Witney Storage Solution Limited | Transport & logistics | 2025 |
| Witney Town FC Limited | Arts & recreation | 2023 |
| Witney Trailer Hire Ltd | Administrative & support | 2020 |
| Witney Trophy Centre Limited | Wholesale & retail | 2024 |
| Witney Vehicle Movers Limited | Transport & logistics | 2026 |
| Witney Vehicle Repairs Ltd | Wholesale & retail | 2023 |
| Witney Weights & Fitness Ltd | Other services | 2020 |
| Witney Workshops Ltd | Manufacturing | 2023 |
| Witox Leisure Ltd | Extraterritorial | 2019 |
| WJ Cook and Sons Limited | Other services | 2024 |
| WJ Estate Management Ltd | Real estate | 2018 |
| WKB Properties Ltd | Real estate | 2024 |
| WM Refrigeration Limited | Manufacturing | 2001 |
| WMC Bar Ltd | Hospitality | 2014 |
| WMF Entertainment Ltd | Arts & recreation | 2020 |
| Wo-Tek Ltd | Construction | 2025 |
| Woas Club Ltd | Administrative & support | 2022 |
| Woas Property Limited | Real estate | 2024 |
| Woggle Events Ltd | Professional & scientific | 2023 |
| Wolf Event Security Ltd | Administrative & support | 2023 |
| Wolflow Lifestyle Limited | Extraterritorial | 2024 |
| Wolfpack International Ltd | Financial services | 2016 |
| Wolfram Research Europe Limited | Information & communication | 1990 |
| Wondrak Creative Ltd | Professional & scientific | 2025 |
| Wood Green Property Management Company Limited | Households | 2012 |
| Woodacre Holdings (Oxford) Limited | Real estate | 1974 |
| Woodacre Optical Services Limited | Extraterritorial | 1947 |
| Woodbury Scott Ltd | Real estate | 2026 |
| Woodlands Court Residents Association Limited | Administrative & support | 1991 |
| Woodstock Group Limited | Professional & scientific | 2004 |
| Woodstock Meats Ltd | Wholesale & retail | 2019 |
| Woodworm Solutions Limited | Construction | 2015 |
| Wooldridge & Simpson (Oxford) Limited | Construction | 2016 |
| Wooldridge & Simpson Holdings Limited | Financial services | 2021 |
| Wooof Ltd | Wholesale & retail | 2021 |
| Words for Good Limited | Information & communication | 2015 |
| Wordwebb Limited | Information & communication | 2024 |
| Working Life Ltd | Other services | 2022 |
| Worksol Ltd | Wholesale & retail | 2023 |
| Workwiz Limited | Information & communication | 2003 |
| World Sailing Day Organisation Limited | Administrative & support | 2025 |
| Worldwide People for People | Health & social care | 1987 |
| Woundmatters Ltd | Health & social care | 2020 |
| Woxdab CIC | Information & communication | 2025 |
| WPS Property Ltd | Real estate | 2021 |
| Wrap Works Limited | Manufacturing | 2016 |
| Wright Residential Surveyors Oxford Limited | Construction | 2024 |
| Wroxton House Residents Management Limited | Real estate | 1988 |
| Wunderdrill Limited | Health & social care | 2022 |
| Www.Hiremyevcharger.Com Ltd | Construction | 2022 |
| Wychwood CAD Services Ltd | Professional & scientific | 2023 |
| Wychwood Carpentry Limited | Construction | 2026 |
| Wychwood Forest Products Ltd | Wholesale & retail | 2022 |
| Wychwood Forest Trust Ltd | Other services | 2000 |
| Wychwood Music Festivals Limited | Arts & recreation | 2004 |
| Wychwood Plumbing and Heating Limited | Construction | 2012 |
| Wychwood Sporting Club Limited | Arts & recreation | 2021 |
| Wychwood Water Systems Limited | Manufacturing | 1997 |
| Wyldlife Nutrition Ltd | Manufacturing | 2026 |
| Wyntec Management Services Limited | Information & communication | 1985 |