| Watergate Minerals Limited | Real estate | 2012 |
| WCA 1918 LLP | | 2015 |
| WE ARE Lance Limited | Information & communication | 2026 |
| Web Energy Limited | Manufacturing | 2017 |
| Wedgwood and Harrison Ltd | Mining & quarrying | 2012 |
| Welcome to Whitby C.I.C. | Arts & recreation | 2021 |
| Well Close Ltd | Hospitality | 2008 |
| West Royd B&B Limited | Hospitality | 2007 |
| Westfield Court (Whitby) Limited | Households | 1994 |
| Wh&G Whitby Limited | Hospitality | 2012 |
| Wheeldale (Whitby) Limited | Hospitality | 2015 |
| Whitby & District Fishing Industry Training School Limited | Education | 2002 |
| Whitby & District Motor Club Limited | Arts & recreation | 1982 |
| Whitby Advertiser Ltd | Professional & scientific | 2006 |
| Whitby Antiques Centre Limited | Wholesale & retail | 2013 |
| Whitby Area Development Trust | Hospitality | 1986 |
| Whitby Bike Park CIC | Arts & recreation | 2023 |
| Whitby Blinds & Shutters Ltd | Wholesale & retail | 2014 |
| Whitby Bookkeeping Services Limited | Professional & scientific | 2018 |
| Whitby Brewery Ltd | Manufacturing | 2012 |
| Whitby Business Services Ltd | Professional & scientific | 2019 |
| Whitby Cabs NOW Ltd | Transport & logistics | 2024 |
| Whitby Coastal Cruises Limited | Transport & logistics | 2002 |
| Whitby Community Network CIC | Other services | 2007 |
| Whitby Counselling and Psychotherapy Limited | Health & social care | 2021 |
| Whitby Dispatch Limited | Transport & logistics | 2015 |
| Whitby Distillery Limited | Manufacturing | 2017 |
| Whitby Escapes Limited | Hospitality | 2025 |
| Whitby Fast Food Ltd | Hospitality | 2025 |
| Whitby Fishing Trips Ltd | Transport & logistics | 2018 |
| Whitby Foghorn Ltd | Information & communication | 2024 |
| Whitby Fudge Bar Limited | Hospitality | 2013 |
| Whitby Gift Shop Limited | Wholesale & retail | 2009 |
| Whitby Golf Club (Clubhouse) Ltd | Hospitality | 2021 |
| Whitby Golf Club Limited | Arts & recreation | 2010 |
| Whitby Hampers Ltd | Wholesale & retail | 2020 |
| Whitby Holiday Cottages Limited | Hospitality | 1996 |
| Whitby Housekeeping Limited | Administrative & support | 2025 |
| Whitby Indian Moments Ltd | Manufacturing | 2017 |
| Whitby Landscapes Ltd | Other services | 2022 |
| Whitby Laundry Services Ltd | Other services | 2015 |
| Whitby Lets Ltd | Hospitality | 2021 |
| Whitby Marine Management Limited | Professional & scientific | 2014 |
| Whitby Passage to India Limited | Hospitality | 2018 |
| Whitby Pet Shop Ltd | Wholesale & retail | 2022 |
| Whitby Pirate Festival CIC | Administrative & support | 2025 |
| Whitby Property Developments Limited | Construction | 2023 |
| Whitby Property Investments Limited | Real estate | 2024 |
| Whitby Property Maintenance Ltd | Construction | 2025 |
| Whitby Regatta Limited | Other services | 2011 |
| Whitby Restaurant Ltd | Hospitality | 2023 |
| Whitby Rugby Club Limited | Arts & recreation | 2010 |
| Whitby Rugby Club Supporters Limited | Hospitality | 2016 |
| Whitby Sands Holidays Ltd | Real estate | 2025 |
| Whitby Seafoods Holdings Limited | Manufacturing | 2025 |
| Whitby Seafoods Limited | Manufacturing | 1984 |
| Whitby Shared Wealth Social Enterprise Ltd | Administrative & support | 2020 |
| Whitby Shipping Services Limited | Transport & logistics | 1992 |
| Whitby Social Ltd | Hospitality | 2025 |
| Whitby Stonework Restoration Ltd | Construction | 2002 |
| Whitby Taxis (2012) Limited | Transport & logistics | 2012 |
| Whitby Taxis Ltd | Administrative & support | 2018 |
| Whitby Taxis NOW Ltd | Transport & logistics | 2024 |
| Whitby Tool Hire Limited | Extraterritorial | 2015 |
| Whitby Town Football Club Limited | Arts & recreation | 2023 |
| Whitby Town Football Foundation Limited | Arts & recreation | 2011 |
| Whitby Town Walking Tours Ltd | Administrative & support | 2019 |
| Whitby Tyre and Exhaust Centre Limited | Wholesale & retail | 2017 |
| Whitby WOK Limited | Hospitality | 2026 |
| Whitby Women's Circle C.I.C. | Health & social care | 2025 |
| Whitby, Scarborough and Ryedale Disability Action Group | Health & social care | 2009 |
| White Gold Beauty Limited | Other services | 2024 |
| White Point Court Management Company Limited | Households | 1973 |
| White Rose Minerals Limited | Other services | 2018 |
| Whitehall Apartments Limited | Households | 2020 |
| Whitehaven (Sandsend) Management Company Limited | Households | 2003 |
| Widdyfields Limited | Mining & quarrying | 2014 |
| Wild Island Creative Ltd | Administrative & support | 2016 |
| Wilde Storm Limited | Wholesale & retail | 2026 |
| Wilf Noble Building Supplies Limited | Wholesale & retail | 2000 |
| Wilf Noble Construction & Plant Hire Limited | Manufacturing | 2000 |
| Wilf Noble Recycling Ltd | Water & waste | 2016 |
| Wilkinson Minerals 2012 Ltd | Other services | 2012 |
| Williamson Minerals Ltd | Financial services | 2012 |
| Wind Farm Maintenance & Support Limited | Energy | 2017 |
| Windle Holdings Limited | Real estate | 2024 |
| Wingates Leisure Limited | Real estate | 2024 |
| Wishtech Limited | Information & communication | 2010 |
| Wnwr Ltd | Professional & scientific | 2013 |
| Woodsmith Foundation Limited | Other services | 2012 |
| Wren Accounting and Tax Limited | Professional & scientific | 2018 |
| WTN Ltd | Information & communication | 2023 |
| XDZ Custom Engineering Ltd | Construction | 2026 |
| XTR Solutions Limited | Information & communication | 2016 |
| Xtra Express Ltd | Construction | 2009 |
| XUE Properties Ltd | Hospitality | 2025 |
| Y.C.C. Haulage Ltd | Transport & logistics | 2023 |
| Y.C.C. Trading Limited | Wholesale & retail | 2015 |
| Yellow Rose Properties (Whitby) LLP | | 2025 |
| Yordigital Services Limited | Information & communication | 2000 |