| ZILIANT TAX LIMITED | 11440975 | Liverpool | 29 June 2018 | Active |
| ZENISHAH LTD | 11440624 | Reading | 29 June 2018 | Active - Proposal to Strike off |
| ZEEWORLD LIMITED | 11441514 | Dartford | 29 June 2018 | Active |
| ZB SEO LLP | OC423177 | Ruislip | 29 June 2018 | Active |
| ZAJEL BUSINESS SERVICES LTD | 11441747 | Leeds | 29 June 2018 | Active |
| ZAGOR LIMITED | 11439858 | Port Talbot | 29 June 2018 | Active |
| ZA NETWORK SOLUTIONS LIMITED | 11441596 | Manchester | 29 June 2018 | Active |
| YÜ SERVICES LIMITED | 11440201 | Nottingham | 29 June 2018 | Active |
| YVK LIMITED | 11439780 | Wembley | 29 June 2018 | Active |
| YUILL HOLDINGS LIMITED | 11440548 | Beaconsfield | 29 June 2018 | Active |
| YTJ CONSULTING LTD | 11440037 | Birmingham | 29 June 2018 | Active |
| YTHANVILLE LIMITED | SC601363 | Glenrothes | 29 June 2018 | Active |
| YOUR EVER AFTER LTD | 11440822 | Rayleigh | 29 June 2018 | Not in the latest register snapshot (dissolved or removed) |
| YOR CONSULTING NORWAY LIMITED | 11440532 | London | 29 June 2018 | Active |
| YFM EQUITY PARTNERS GROWTH II LP | LP019633 | Leeds | 29 June 2018 | Active |
| YFM EQUITY PARTNERS BUYOUT II LP | LP019632 | Leeds | 29 June 2018 | Active |
| YASH INVESTMENTS LTD | 11441328 | Croydon | 29 June 2018 | Active |
| YANTAR-TRANS LIMITED | 11441705 | Chester | 29 June 2018 | Active |
| XSQUARED INTERNATIONAL LTD | 11439999 | London | 29 June 2018 | Active |
| XAMI LIMITED | 11440712 | London | 29 June 2018 | Active |
| WORLDWIDE-UK INTERNATIONAL LIMITED | 11440396 | London | 29 June 2018 | Active - Proposal to Strike off |
| WOODLANDS CORNWALL MANAGEMENT LTD | 11440131 | Newquay | 29 June 2018 | Active |
| WITHNELL & PARTNERS LIMITED | 11440336 | Sidcup | 29 June 2018 | Active |
| WINGS FOR FEET LTD | 11439897 | Durham | 29 June 2018 | Active |
| WINCONTRACTING LIMITED | 11440951 | Altrincham | 29 June 2018 | Active |
| WILSON ESTATES MIDLANDS LTD | 11439978 | Birmingham | 29 June 2018 | Active |
| WILLIAMS HOTELS LIMITED | 11441228 | North Petherton | 29 June 2018 | Active |
| WILDGAZE FILMS (DIRT MUSIC) LIMITED | 11439785 | London | 29 June 2018 | Active |
| WILD FOWL FARM & TEMPORARY STORAGE LTD | 11440252 | Manchester | 29 June 2018 | Active |
| WHORLTON LAND SURVEYS LTD | 11440804 | Yarm | 29 June 2018 | Active |
| WHIFFLER PROPERTIES LTD | 11440606 | London | 29 June 2018 | Active |
| WHEELS TO HEAL (SCIO) | CS003484 | | 29 June 2018 | Active |
| WESTSIDE COURT FREEHOLD LIMITED | 11440307 | London | 29 June 2018 | Active |
| WELLBEING FOR ALL LIMITED | 11440942 | Peterborough | 29 June 2018 | Active |
| WED LOGISTICS LTD | 11440651 | Norwich | 29 June 2018 | Liquidation |
| WEALTHEA LTD | 11441022 | Derby | 29 June 2018 | Active |
| WEALTHDOCTORS LTD | 11440555 | London | 29 June 2018 | Active |
| WAYFINDER INTERNATIONAL CIC | SC601340 | Dunbar | 29 June 2018 | Active |
| WATERSHAW PROPERTIES BLP LIMITED | 11440809 | Crawley | 29 June 2018 | Active - Proposal to Strike off |
| WARRENS ANGLIA LTD | 11440003 | Great Yarmouth | 29 June 2018 | Active |
| WANG DAO ARCHITECTURE LTD | 11440313 | Brighton | 29 June 2018 | Active |
| WALTON MASLOW LTD | 11441232 | London | 29 June 2018 | Active |
| WALLINGTON CONSULTANCY LTD | 11440629 | London | 29 June 2018 | Active |
| WAKA ABOUT FOODS LIMITED | 11441662 | Northwood | 29 June 2018 | Active |
| W8 SOLUTIONS LTD | 11440196 | Warrington | 29 June 2018 | Active |
| W IS FOR WEALTH LIMITED | 11440845 | Newton Abbot | 29 June 2018 | Active |
| VRG PROPERTIES LIMITED | 11440761 | Pinner | 29 June 2018 | Active |
| VOICES SOUND STUDIO LTD | 11439989 | London | 29 June 2018 | Active |
| VJM CONSTRUCTION LTD | 11441303 | Dunstable | 29 June 2018 | Active |
| VIDA INGREDIENTS LIMITED | 11440718 | Kingston upon Thames | 29 June 2018 | Active |