| Westside Court Management Company Limited | Households | 2003 |
| Westview Leisure Group Limited | Hospitality | 2015 |
| Westville Value Ltd | Wholesale & retail | 2014 |
| Westwell Finance Limited | Information & communication | 2019 |
| Westwind Technology Ltd | Information & communication | 2026 |
| Westwoods Ltd. | Extraterritorial | 1996 |
| Wetel Ltd | Health & social care | 2023 |
| Wethegamers Ltd | Information & communication | 2026 |
| Wexham Services Ltd | Construction | 2023 |
| WEZ Holdings Limited | Financial services | 2020 |
| WG Clarke & Mills Limited | Financial services | 2022 |
| WG IP Limited | Administrative & support | 2022 |
| WH Investments Limited | Hospitality | 2012 |
| Wharf Developments Ltd | Real estate | 2017 |
| Wharton Bramley Limited | Professional & scientific | 2018 |
| Wharton Crafts Ltd | Wholesale & retail | 2025 |
| What a Goal Ltd | Arts & recreation | 2021 |
| What a Shot Leicester Ltd | Hospitality | 2021 |
| What Aberdare Limited | Wholesale & retail | 2014 |
| What the Fuss Ltd | Wholesale & retail | 2026 |
| What's the Big Idea Limited | Manufacturing | 2000 |
| What's the Message? Ltd | Education | 2017 |
| Whatmore Lark Ltd | Wholesale & retail | 2025 |
| Whatsize Enterprise Ltd | Wholesale & retail | 2023 |
| Whatsize Wealth Management Ltd | Professional & scientific | 2026 |
| What’S for PUD? Limited | Wholesale & retail | 2025 |
| Wheatland Ventures Ltd | Information & communication | 2024 |
| Wheatsheaf Developments Ltd | Construction | 2026 |
| Wheel Harbour Ltd | Wholesale & retail | 2023 |
| Wheel Inn Ltd | Hospitality | 2023 |
| Wheeler & Green LLP | | 2022 |
| Wheeliecleanleicester Ltd | Administrative & support | 2026 |
| Wheely Chuffed Ltd | Wholesale & retail | 2024 |
| Whelband Windows Limited | Construction | 2002 |
| Wherk Limited | Wholesale & retail | 2024 |
| Whetstone Dental Surgery Limited | Health & social care | 2006 |
| Whetstone Estates Limited | Real estate | 2019 |
| Whetstone Theatre Company Limited | Arts & recreation | 2020 |
| Which MUA Ltd | Information & communication | 2019 |
| Which Properties Ltd | Real estate | 2019 |
| Which Services Ltd | Health & social care | 2024 |
| Whichford Consulting Ltd | Professional & scientific | 2020 |
| While and Wonder Limited | Wholesale & retail | 2021 |
| Whirlikidz Limited | Arts & recreation | 2007 |
| Whisk Tea Ltd | Hospitality | 2025 |
| Whiskey Cran Limited | Professional & scientific | 2025 |
| Whispering Sea Creations Ltd | Wholesale & retail | 2026 |
| Whissendine Farms Limited | Agriculture & fishing | 2020 |
| Whitburn Holdings Limited | Real estate | 2022 |
| Whitcroft Group Ltd | Wholesale & retail | 2026 |
| Whitcroft Holdings Ltd | Financial services | 2024 |
| Whitcroft Joinery Limited | Manufacturing | 2025 |
| White Ball Leisure Limited | Arts & recreation | 2018 |
| White Bear Muay Thai Ltd | Arts & recreation | 2026 |
| White Box Space Limited | Professional & scientific | 2012 |
| White Elefant Ltd | Real estate | 2006 |
| White Fountain Publishing Ltd | Information & communication | 2024 |
| White HAT FOX Ltd | Information & communication | 2019 |
| White Haven Vape Shops Ltd | Wholesale & retail | 2017 |
| White Hawk Construction and Landscapes Ltd | Construction | 2022 |
| White Hawke Ltd | Professional & scientific | 2026 |
| White Horse (Priors Dean) Ltd | Hospitality | 2025 |
| White House Land & Property Limited | Real estate | 2023 |
| White Ice Limited | Extraterritorial | 2002 |
| White Knights Limited | Other services | 2002 |
| White Light Technology Ltd | Information & communication | 1996 |
| White Models Ltd | Manufacturing | 2002 |
| White Monkey Productions Ltd | Information & communication | 2014 |
| White Moon (Leicester) Ltd | Financial services | 2026 |
| White Noise Heard CIC | Education | 2026 |
| White Oaks Property Group Limited | Real estate | 2026 |
| White Panda Ltd | Professional & scientific | 2013 |
| White Pearl Trading Ltd | Wholesale & retail | 2020 |
| White Rose & Family Limited | Professional & scientific | 2014 |
| White Rose Accommodation Limited | Real estate | 2025 |
| White Space Analytics Ltd. | Information & communication | 2016 |
| White Star Daycare Ltd | Education | 2024 |
| White Studio Group Ltd | Real estate | 2018 |
| White Tiger Group Limited | Wholesale & retail | 2017 |
| White Water Sales Limited | Manufacturing | 2019 |
| White&Red Logistics Ltd | Transport & logistics | 2015 |
| Whitebridge Mortgages Ltd | Financial services | 2018 |
| Whitebridge Ventures Ltd | Real estate | 2025 |
| Whitechapel Maintenance Limited | Real estate | 2012 |
| Whitecrest Hospitality Limited | Wholesale & retail | 2018 |
| Whitehall Accountants Limited | Professional & scientific | 2008 |
| Whitehall Care Limited | Health & social care | 2006 |
| Whitehall Leicester Ltd | Other services | 2024 |
| Whitehall Property Investments Ltd | Real estate | 2021 |
| Whitehall Upholstery Ltd | Other services | 2022 |
| Whitehart Engineering Limited | Professional & scientific | 2013 |
| Whitehouse Property Solutions Ltd | Real estate | 2018 |
| Whiteknight Homes Ltd | Real estate | 2020 |
| Whitepress JR Ltd | Financial services | 2021 |
| Whiterose Locum Ltd | Health & social care | 2021 |
| Whiterose Midlands Ltd | Real estate | 2023 |
| Whiterose SUB Ltd | Hospitality | 2023 |
| Whites Hair & Beauty Limited | Other services | 2002 |
| Whites Porthmeor Limited | Real estate | 1939 |
| Whiteski Digital Ltd | Professional & scientific | 2023 |