| William Hartley Developments Limited | 2016 | 31 Mar 2027 (in 170 days) |
| William Rose Developments Ltd | 2023 | 31 Oct 2026 (in 19 days) |
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| Williams and Charles Construction Ltd | 2023 | 28 Feb 2027 (in 139 days) |
| Williams Group UK Properties Limited | 2015 | 28 Feb 2027 (in 139 days) |
| Williams Property (Wandsworth) Limited | 2022 | 30 Sep 2027 (in 353 days) |
| Williams Richardson and JFH Homes Ltd | 2025 | 25 Aug 2027 (in 317 days) |
| Williams Somerville Ltd | 2019 | 31 Jul 2027 (in 292 days) |
| Willo Estates Ltd | 2026 | 12 Feb 2028 (in 488 days) |
| Willow Grove Property Ltd | 2026 | 24 Mar 2028 (in 529 days) |
| Willow Isv Construction Ltd | 2023 | 31 Oct 2026 (in 19 days) |
| Willow Walk Group Limited | 2022 | 30 Sep 2027 (in 353 days) |
| Willow Walk Homes (Construction) Limited | 2023 | 30 Sep 2027 (in 353 days) |
| Willow Walk Homes (Oak Lane) Limited | 2022 | 30 Sep 2027 (in 353 days) |
| Willow Walk Homes (Stowupland) Limited | 2022 | 30 Sep 2027 (in 353 days) |
| Willow Walk Homes (Thurston) Limited | 2022 | 30 Sep 2027 (in 353 days) |
| Willowchurch Limited | 2021 | 31 Dec 2026 (in 80 days) |
| Willowgreen Limited | 1982 | 31 Jan 2027 (in 111 days) |
| Willstates Limited | 1990 | 31 Mar 2027 (in 170 days) |
| Wilmington Projects Limited | 2018 | 28 Feb 2027 (in 139 days) |
| Wilmot Place Limited | 2016 | 30 Dec 2026 (in 79 days) |
| Wilmslow (No.3) General Partner Limited | 2000 | 31 Dec 2026 (in 80 days) |
| Wilson Architectural Building Design Ltd | 2013 | 30 Jun 2027 (in 261 days) |
| Wilson Architectural Engineering Ltd | 2021 | 30 Apr 2027 (in 200 days) |
| Wilson Powell Property Developments Ltd | 2026 | 29 Jan 2028 (in 474 days) |
| Wilson Property Holding Group Ltd | 2024 | 31 Dec 2026 (in 80 days) |
| Wilstock Ltd | 2024 | |
| Wimbledon Chase Development Ltd | 2023 | 31 Dec 2026 (in 80 days) |
| Wimbledon Devco Limited | 2026 | 15 Feb 2028 (in 491 days) |
| Wimbledon Mews Developments Limited | 2022 | 31 May 2027 (in 231 days) |
| Winchmore Construction Limited | 2018 | 31 Mar 2027 (in 170 days) |
| Wincroft Properties Ltd | 2021 | 31 Mar 2027 (in 170 days) |
| Windgold Limited | 1992 | 31 Dec 2026 (in 80 days) |
| Winding Wood Developments Ltd | 2024 | |
| Windlass Grove House Ltd | 2026 | 3 Apr 2028 (in 539 days) |
| Windmill Homes Limited | 2022 | 31 Dec 2026 (in 80 days) |
| Windowbuild Limited | 2017 | 31 Jan 2027 (in 111 days) |
| Windsong Ltd | 2023 | 31 Oct 2026 (in 19 days) |
| Windward Estates Limited | 1986 | 31 Dec 2026 (in 80 days) |
| Wingate Developments Limited | 1988 | 31 Oct 2026 (in 19 days) |
| Wingate Properties Limited | 1990 | 31 Oct 2026 (in 19 days) |
| Wingmatic Limited | 1987 | 31 Dec 2026 (in 80 days) |
| Wingssteel Project Ltd | 2021 | 31 Jan 2028 (in 476 days) |
| Winifred and Leonard Property Co. Ltd | 2026 | 7 Oct 2027 (in 360 days) |
| Winmax London Ltd | 2022 | |
| Winning Walls Ltd | 2017 | 31 Dec 2026 (in 80 days) |
| Winship Management Company Limited | 2022 | 31 Dec 2026 (in 80 days) |
| Winter Clark Property Developers Limited | 2023 | 30 Jun 2027 (in 261 days) |
| Winter House at Ltd | 2024 | 31 Dec 2026 (in 80 days) |
| Winter Projects Ltd | 2024 | 30 Jun 2027 (in 261 days) |