| ZENITH LEGAL SERVICES LTD | 11390578 | London | 31 May 2018 | Active |
| ZAHBHA LIMITED | 11391581 | Cardiff | 31 May 2018 | Liquidation |
| Z.K RECOVERY SERVICES LIMITED | 11390292 | Stockbury Valley | 31 May 2018 | Active - Proposal to Strike off |
| YOU'RE A STAR LIMITED | 11391246 | St Leonards on Sea | 31 May 2018 | Active |
| YORKSHIRE SHEDS, FENCING & SKIPS LIMITED | 11391787 | Sheffield | 31 May 2018 | Not in the latest register snapshot (dissolved or removed) |
| YORKSHIRE PUB AND RETAIL MANAGEMENT LIMITED | 11390167 | Otley | 31 May 2018 | Active - Proposal to Strike off |
| YORKSHIRE LAMINATE & WOOD FLOORING LTD | 11391613 | Ossett | 31 May 2018 | Liquidation |
| YELLOW BRICK ROAD PROPERTY LIMITED | 11391422 | Witney | 31 May 2018 | Active |
| YACHTDATABANK LTD | 11390823 | Rayleigh | 31 May 2018 | Active - Proposal to Strike off |
| XENOM LIMITED | 11391588 | Harrow | 31 May 2018 | Active |
| XCITE ENERGY LIMITED | SC598643 | Glasgow | 31 May 2018 | Active |
| WORLD AUTOS LIMITED | 11390447 | Cardiff | 31 May 2018 | Active - Proposal to Strike off |
| WORKWITHME LIMITED | 11391556 | Harrow | 31 May 2018 | Active |
| WOOSB LTD | 11391889 | Stoke on Trent | 31 May 2018 | Active |
| WOODLINGS NURSERY LIMITED | 11390596 | Whaley Bridge | 31 May 2018 | Active |
| WOODCRAFT VERANDAS LIMITED | 11390502 | Barnard Castle | 31 May 2018 | Active |
| WOLSEY AIRVENT LIMITED | 11390237 | Liverpool | 31 May 2018 | Active - Proposal to Strike off |
| WJS POWER PLANT LTD | 11390487 | Beckenham | 31 May 2018 | Active |
| WINGS AND BEER CO LIMITED | 11391087 | Thornton Cleveleys | 31 May 2018 | Active |
| WINGMAN AI AGENTS LIMITED | 11390662 | London | 31 May 2018 | Active |
| WINDWARD SG LIMITED | 11391160 | London | 31 May 2018 | Active |
| WINDWARD LS LIMITED | 11390852 | London | 31 May 2018 | Active |
| WINDWARD ENERGY LIMITED | 11390947 | London | 31 May 2018 | Active |
| WILSON RECRUITMENT LTD | 11390149 | Dereham | 31 May 2018 | Active |
| WILLIAM & WELFARE DISTRIBUTION LIMITED | 11391239 | Letchworth Garden City | 31 May 2018 | Active - Proposal to Strike off |
| WHITTON ESTATE MANAGEMENT LIMITED | 11391091 | Maghull | 31 May 2018 | Active |
| WHITE WATER GATE LIMITED | 11391264 | London | 31 May 2018 | Active |
| WHITE ROSE PARK (NORWICH) RESIDENTS MANAGEMENT COMPANY LTD | 11390037 | York | 31 May 2018 | Active |
| WHEATLEY LANDSCAPES LTD | 11390198 | Manchester | 31 May 2018 | Active |
| WESTON MEADOWS, CALNE MANAGEMENT COMPANY LIMITED | 11391255 | Bradley Stoke | 31 May 2018 | Active |
| WESTMINSTER CENTRE FOR TRAINING & DEVELOPMENT LIMITED | 11391553 | London | 31 May 2018 | Active |
| WESTBURY LIONS CLUB (CIO) | CE014261 | | 31 May 2018 | Active |
| WELCOME DISPLAYS 2018 LTD | 11390577 | Bristol | 31 May 2018 | Active - Proposal to Strike off |
| WEFILL LTD | 11391519 | Ellesmere Port | 31 May 2018 | Active |
| WEE HOOSE GLAMPING STRATHNAVER LIMITED | SC598662 | Kinbrace | 31 May 2018 | Active |
| WD TECHNICIANS LIMITED | 11390321 | Plymouth | 31 May 2018 | Active - Proposal to Strike off |
| WAYNE PERREY LIMITED | 11391448 | Leeds | 31 May 2018 | Active |
| WAXY CLEAR LTD | 11390342 | Loughborough | 31 May 2018 | Active |
| WATERGATE YARD LTD | 11390344 | Sleaford | 31 May 2018 | Active |
| WARWICK CAR SALES LIMITED | 11391376 | Exeter | 31 May 2018 | Active - Proposal to Strike off |
| W G PHARMA CARE LTD | 11390833 | Walsall | 31 May 2018 | Active |
| VORTEX POWER PROPERTIES LTD | 11390742 | Enfield | 31 May 2018 | Active |
| VJ TECHNOLOGY TRADING LIMITED | 11391127 | Ashford | 31 May 2018 | Active |
| VJ TECHNOLOGY HOLDINGS LIMITED | 11390888 | Ashford | 31 May 2018 | Active |
| VITALE & STOCKS LIMITED | 11391660 | Berkhamsted | 31 May 2018 | Active |
| VITA BUILDING LTD | 11391629 | Barking | 31 May 2018 | Active |
| VIRAT CONSTRUCTION LIMITED | 11391646 | Hayes | 31 May 2018 | Active |
| VICARAGE COURT RTM COMPANY LTD | 11390817 | Birmingham | 31 May 2018 | Active |
| VERUIS LTD | 11390986 | Derby | 31 May 2018 | Active - Proposal to Strike off |
| VELTA LIMITED | 11391367 | Enfield | 31 May 2018 | Active - Proposal to Strike off |