| Curry Buddies Limited | London | 2022 |
| Curry Classes Limited | Chelmsford | 2009 |
| Curry CUP Limited | Watford | 2013 |
| Curry Explosion Limited | Weston-Super-Mare | 2022 |
| Curry House 88 Limited | Glasgow | 2024 |
| Currypool Renewables Limited | Bridgwater | 2014 |
| CURT1S Limited | Harrogate | 2020 |
| Curtain Express Limited | St. Helens | 2000 |
| Curtain Master Limited | Harrow | 2024 |
| Curtain Rails NW Limited | Wallasey | 2018 |
| Curtains 2GO Limited | Nottingham | 2012 |
| Curtains Direct Limited | Boston | 1995 |
| Curteis Management Limited | Maidstone | 2010 |
| Curtina Limited | Lisburn | 2000 |
| Curtis (Wool) Holdings Limited | Bingley | 1979 |
| Curtis Blue Limited | Warrington | 2005 |
| Curtis Construction Ltd | Peterborough | 2017 |
| Curtis Moore Limited | Glasgow | 2019 |
| Curtis Red Limited | Warrington | 1998 |
| Curtis Robert Garnett Ltd | Kilburn | 2024 |
| Curtis, Curtis & Sons Limited | Harrogate | 2018 |
| Curve Accountancy Limited | Crawley | 2002 |
| Curve Associates Limited | London | 2008 |
| Curve Properties Limited | Llandow | 2004 |
| Curve Retail Ltd | Manchester | 2022 |
| Curwen Gallery Ltd | Saffron Walden | 2010 |
| Curzon 2019 Limited | Oxfordshire | 2019 |
| Curzon Square Capital Management Limited | Havant | 2008 |
| Cusk Properties Limited | Belfast | 2016 |
| Custardware Limited | Wareham | 1993 |
| Custer Trading Co., Ltd | London | 2021 |
| Custodia Estate Planning Limited | Harrow | 2020 |
| Custodia Financial Planning Limited | Harrow | 2020 |
| Custodian Reit Limited | Leicester | 2014 |
| Custom Audio Visual Limited | Watford | 2012 |
| Custom Automotive Spares UK Limited | Walsall | 2013 |
| Custom Bags International Limited | South Shields | 2009 |
| Custom Coldrooms Limited | Liverpool | 2008 |
| Custom Curtain Company Limited | Derbyshire | 1999 |
| Custom Escapes Limited | Matlock | 2024 |
| Custom Estate Ltd | Romford | 2023 |
| Custom Fabrikations (UK) Ltd | Merseyside | 1994 |
| Custom Handbags Limited | Erdington | 2019 |
| Custom Investments Limited | Hampton | 2023 |
| Custom Laser NI Limited | Carrickfergus | 2020 |
| Custom Pixels Limited | Basildon | 2014 |
| Custom Plates Limited | Preston | 1998 |
| Custom Power Limited | Redditch | 2021 |
| Custom Products Limited | Hertford | 2002 |
| Custom Quest Limited | Horsham | 1998 |
| Custom Realty Ltd | London | 2014 |
| Custom Registrations Limited | Preston | 1998 |
| Custom Spray Ltd | Pontypool | 2023 |
| Custom Theatre Services Limited | Ilkeston | 1993 |
| Customer Hub UK Limited | Droitwich | 2015 |
| Customers Europe Limited | Epsom | 2003 |
| Customers Global Limited | Epsom | 2003 |
| Customisedcreative Limited | Bury | 2011 |
| Customs Clearance Services Limited | Wolverhampton | 2022 |
| Customserve Limited | University Way Cranfield | 1997 |
| Custrapro Global Ltd | Hastingwood | 2016 |
| CUT Cost Carpets (Devon) Ltd | Newton Abbot | 2011 |
| CUT Make Trim Ltd | Harrow | 2013 |
| CUT, Slice & Skim Limited | Chelmsford | 2021 |
| Cut-Tec Ltd | Barnsley | 2024 |
| Cute Vintage Limited | Alresford | 2020 |
| Cutebaby Paper Industry Co., Ltd. | Beckenham | 2018 |
| Cutiolly Co., Ltd | Milton Keynes | 2026 |
| Cutler Funeral Directors Limited | Nottingham | 2009 |
| Cutler Group Holdings Limited | Nottingham | 2009 |
| Cutlers Close Management Company Limited | Aylesbury | 1992 |
| Cutoutil Hardware Tools Co., Ltd | Beckenham | 2018 |
| Cutover Limited | Worthing | 2015 |
| Cutplay Ltd | Watford | 2001 |
| Cutter's Wharf Limited | Co Antrim | 2002 |
| Cutting and Wear Limited | Sheffield | 1998 |
| Cutting Edge Developments (UK) Ltd | Hitchin | 2014 |
| Cutting Edge Tree Care Limited | Hope Valley | 2009 |
| Cutting Technology Limited | Halifax | 2020 |
| Cutting-Edge Technology Ltd | London | 2020 |
| Cuttingedgecrafts.Co.Uk Ltd | Skegness | 2007 |
| Cutts and Company Limited | Cheadle | 2021 |
| Cuttsy and Cuttsy Trustee Limited | Cambridge | 2026 |
| Cutty Brow Limited | Andover | 2023 |
| Cuvva Nominee Limited | London | 2022 |
| Cuxton Developments Limited | Gravesend | 2002 |
| CV Hydro Hoist Limited | Croydon | 2017 |
| CV Specialists Ltd | London | 2010 |
| CV2 Properties Ltd | Nuneaton | 2016 |
| CVA Solutions Ltd | Bristol | 2023 |
| Cvad Solutions (Holdings) Ltd | Newcastle Under Lyme | 2021 |
| Cvam Asset Auctions Limited | Denbigh | 2008 |
| CVB Bespoke Furniture & Repairs Limited | Portsmouth | 2020 |
| Cvcr Limited | Poole | 2021 |
| CVF Holding UK Limited | Grimsby | 2017 |
| CVG (D.C.) Limited | Belfast | 2013 |
| CVL Group Limited | Brierley Hill | 2025 |
| CVL Services Ltd | Livingston | 2022 |
| Cvminder Limited | Chatham | 2011 |
| Cvoa Limited | London | 2021 |