| ZING ESTABLISHMENT LTD | 13305163 | Nelson | 31 March 2021 | Active |
| ZEN INVENTORIES LTD | 13306021 | London | 31 March 2021 | Active |
| ZEDEL PROPERTIES LTD | 13305723 | Walsall | 31 March 2021 | Active |
| ZAP CONSULTING (EDUCATION) LTD | 13304663 | Hope Valley | 31 March 2021 | Active |
| ZAKOPANE TURKISH LTD | 13306198 | Torquay | 31 March 2021 | Active |
| ZAFASA.UK LTD | 13307233 | Manchester | 31 March 2021 | Active |
| YOUR LOCAL CUSTOMERS LIMITED | 13306761 | Fleet | 31 March 2021 | Active |
| YOUR FLOORS AND MORE LIMITED | 13307087 | Cardiff | 31 March 2021 | Active |
| YOUR CLEAR FUTURE LIMITED | 13306521 | Beckenham | 31 March 2021 | Active |
| YOUR BUILDING SOLUTIONS LIMITED | 13305965 | Ilford | 31 March 2021 | Active |
| YOU YOU LTD | 13305505 | Hamilton | 31 March 2021 | Active |
| YONOFF LTD | 13305082 | London | 31 March 2021 | Not in the latest register snapshot (dissolved or removed) |
| YFW PROPERTY DEVELOPMENT LIMITED | 13304906 | London | 31 March 2021 | Active |
| YANE FOODS LIMITED | 13305712 | Oldham | 31 March 2021 | Active |
| XTERIOR LIFESTYLE LTD | 13306296 | Manchester | 31 March 2021 | Liquidation |
| XONICO CAPITAL MANAGEMENT LIMITED | 13305299 | London | 31 March 2021 | Active |
| WYCHELM LODGE RTM COMPANY LIMITED | 13305279 | London | 31 March 2021 | Active |
| WUSHBY LIMITED | 13304734 | London | 31 March 2021 | Active |
| WROSS SERVICES LIMITED | 13305518 | Hertford | 31 March 2021 | Active |
| WORKFORCE SOLUTIONS (BRISTOL) LTD | 13306179 | Weston Super Mare | 31 March 2021 | Active - Proposal to Strike off |
| WORK SMART OFFICE SOLUTIONS LTD | 13305733 | Gillingham | 31 March 2021 | Active |
| WOODROW COMMUNICATIONS HOLDINGS LTD | 13306801 | London | 31 March 2021 | Active |
| WONDERJOY STUDIO LIMITED | 13305127 | Manchester | 31 March 2021 | Active |
| WIRE EIGHTY FIVE LTD | 13305150 | Waltham Cross | 31 March 2021 | Active |
| WINTHORPE VENTURES LLP | OC436607 | London | 31 March 2021 | Active |
| WINLY PRODUCTS CO., LTD | 13305935 | Beckenham | 31 March 2021 | Active |
| WINCH SERVICED ACCOMMODATIONS LTD | 13306782 | Peterborough | 31 March 2021 | Active |
| WILSON AGENCIES LTD | 13305453 | Gillingham | 31 March 2021 | Active |
| WILLEM TENSEN LTD | 13306146 | One Mayfair Place | 31 March 2021 | Active |
| WILDCARD PRODUCTIONS LIMITED | 13306237 | London | 31 March 2021 | Active |
| WILD BAY LTD | 13305661 | London | 31 March 2021 | Active |
| WHITSTABUBBLES LTD | 13304882 | Whitstable | 31 March 2021 | Active |
| WHITSTABLE BEAUTY GROUP LTD | 13305757 | Whitstable | 31 March 2021 | Active |
| WHAREHAUS LIMITED | 13305698 | Dronfield | 31 March 2021 | Active |
| WESTVALE CATERING LIMITED | 13305493 | London | 31 March 2021 | Active |
| WESTERN MANE LIMITED | 13307108 | London | 31 March 2021 | Active |
| WESTERN LAKES (SILVER END) MANAGEMENT COMPANY LIMITED | 13306163 | Hemel Hempstead | 31 March 2021 | Active |
| WESTEMI LIMITED | 13305722 | Leeds | 31 March 2021 | Active |
| WEST WALES CAMPERVAN HIRE LTD | 13305743 | Aberystwyth | 31 March 2021 | Active |
| WEST HILL CONSULTING LTD | 13306809 | Cardiff | 31 March 2021 | Active |
| WERBER LIMITED | 13305408 | Louth | 31 March 2021 | Active |
| WELLINGTON STREET LEISURE LTD | 13306194 | Barnsley | 31 March 2021 | Active |
| WELCOME HOME SHARED LIVING LTD | 13306972 | London | 31 March 2021 | Active |
| WEBB PROPERTY LAW LTD | 13306023 | Tunstall | 31 March 2021 | Active |
| WE GROUP INTERNATIONAL LTD | 13305539 | Southend-On-Sea | 31 March 2021 | Active |
| WE BUY PROPERTIES (NW) LTD | 13306490 | Warrington | 31 March 2021 | Active |
| WE ARE TRUERLEIN LTD | SC694217 | Edinburgh | 31 March 2021 | Liquidation |
| WBH HOLDINGS LTD | 13307011 | Walsall | 31 March 2021 | Active |
| WAYNE KEEPIN ELECTRICAL LIMITED | 13306411 | Pontypridd | 31 March 2021 | Active |
| WASTEFAIR LTD | 13304716 | London | 31 March 2021 | Active |