| CE Limited | Saffron Walden | 2008 |
| CE Power and Electrical Services Ltd | Cornwall, Wadebridge | 2018 |
| Ceak Recruitment Ltd | Birmingham | 2025 |
| Ceased Trading 10041572 Limited | London | 2016 |
| Ceased Trading 10771216 Limited | London | 2017 |
| Ceased Trading 11876878 Limited | London | 2019 |
| Ceased Trading 12033690 Limited | London | 2019 |
| Ceased Trading 12190081 Limited | London | 2019 |
| CEB (Beverley) Ltd | Ryehill | 2011 |
| Cebeci Real Estate Investment and Construction Company Ltd | London | 2025 |
| CEC Investments Limited | Esher | 2014 |
| CEC Science and Innovation Co., Ltd | Beckenham | 2008 |
| Cecari Limited | Harrow | 2011 |
| Cecce Ltd | London | 2025 |
| CECEL1A Limited | Harrogate | 2020 |
| Cechic Ltd | London | 2024 |
| Cecil C. Amey Limited | Attleborough | 1955 |
| Cecil Limited | Harrogate | 2015 |
| Cecil S. Allen & Sons Limited | Wrexham | 1997 |
| Cecile Collective Ltd | Northampton | 2020 |
| Cecilia Jessie Madeleine Robertson Ltd | Glastonbury | 2024 |
| Cecily Ventures Ltd | Berkhamsted | 2021 |
| Cecoo Ltd | Kington | 2025 |
| CED Auditing Services Limited | Towcester | 2022 |
| CED Stone Limited | Rochford | 2014 |
| Cedana Corp. Ltd | London | 2019 |
| Cedar & Finch Group Ltd | Doncaster | 2026 |
| Cedar 1955 Limited | Belper | 2013 |
| Cedar 1968 Limited | Grays | 2013 |
| Cedar Andover Limited | Andover | 2013 |
| Cedar Assets (2) Ltd | Salford | 2007 |
| Cedar Assets Ltd | Salford | 2007 |
| Cedar Close West Management Co. Ltd | Rye | 2019 |
| Cedar Coaching Limited | Derby | 2011 |
| Cedar Court (Cranleigh) Care Limited | London | 2006 |
| Cedar Court Apartments Limited | Godalming | 2018 |
| Cedar Court Residents Association Limited | Aldridge | 2009 |
| Cedar Grove 1962 Limited | Macclesfield | 2014 |
| Cedar Grove Realty Advisors Ltd | Manchester | 2026 |
| Cedar Grove Veterinary Clinic Limited | Belfast | 2011 |
| Cedar Hair Studio Limited | Haywards Heath | 2016 |
| Cedar House School and Lowgate House Limited | Carnforth | 2002 |
| Cedar Invest Group Limited | Halesowen | 2021 |
| Cedar Investment Management Ltd | Coventry | 2013 |
| Cedar Link International Limited | Hounslow | 1984 |
| Cedar Lodge Property Management Ltd | Ballyclare | 2004 |
| Cedar Mist Realty Management Ltd | Manchester | 2026 |
| Cedar Point Support Solutions Ltd | Manchester | 2026 |
| Cedar Road (Kettering) Management Limited | Ferndown | 2009 |
| Cedar Tree Accountancy Limited | Cardiff | 2015 |
| Cedar Tree Childcare Limited | Nelson | 2020 |
| Cedar Yachting Ltd | London | 2025 |
| Cedarhurst Apartments Limited | Belfast | 1988 |
| Cedarline Property Services Ltd | Manchester | 2026 |
| Cedarmore Limited | Chesham | 2012 |
| Cedaroak Investments Limited | Belfast | 1991 |
| Cedars Corporate Services Limited | Brentford | 2013 |
| Cedars Nominee Co 1 Limited | Slough | 2015 |
| Cedars Nominee Co 2 Limited | Slough | 2015 |
| Cedars Retreat Management Company Limited | Chertsey | 2014 |
| Cedars Theatre Professional Limited | Tilbury | 2012 |
| Cedarspan Limited | London | 1997 |
| Cedarwalk Limited | Eastleigh | 1989 |
| Cedarwood Enterprises Ltd | Swindon | 2018 |
| Cedarwood UK Limited | | 2000 |
| Cedidos Limited | Houghton Le Spring | 2021 |
| Cedr Solve Limited | London | 2001 |
| Cedra Holdings Limited | London | 2020 |
| Cedre Investments Ltd | Coventry | 2013 |
| Cedric John Logistics Limited | Newport | 2013 |
| Cedric Services Limited | Manchester | 1992 |
| CEE JAY Group Ltd | Manchester | 2026 |
| CEE JAY Projects Limited | Prestwich | 2026 |
| CEE Leaders Limited | London | 2020 |
| Ceegok Limited | Eltham | 2015 |
| Ceema Group Limited | Birmingham | 2009 |
| Ceesay Sweden Limited | London | 2020 |
| Cefn Coch Sewerage Treatment Plant Management Company Limited | Newtown | 2012 |
| Cefn Coed Limited | Bangor | 2024 |
| Cefn Hendre Developments Limited | Aberystwyth | 2014 |
| Cefn Management Ltd | Neath | 2014 |
| Cegna Limited | Milton Keynes | 2019 |
| CEH Contracting Ltd | Gloucester | 2022 |
| CEI Nominees Limited | Edinburgh | 2021 |
| Ceiling 2 Floor International Ltd | Glasgow | 2018 |
| Ceiling Speakers Ltd | Gloucester | 2019 |
| Ceiling to Floor Online Ltd | Glasgow | 2018 |
| CEJ Legacy Ltd | Hampton | 2017 |
| CEJ NW Ltd | Stockport | 2023 |
| Ceken Maritime Limited | London | 2023 |
| Cekmecelioglu & Lind Imperium Advocates Ltd. | London | 2014 |
| CEL (Logistics) Limited | Chippenham | 1997 |
| Celandine 1960 Limited | Melton Mowbray | 2013 |
| Celandine 1971 Limited | Tamworth | 2014 |
| Celced Investments Limited | London | 2009 |
| Celebrant Resource and Information Library Ltd | Milton Keynes | 2021 |
| Celebrants 4 U Ltd | Stanley | 2025 |
| Celebration of a Life Ltd | Bristol | 2006 |
| Celebrity Autographs Limited | London | 2017 |
| Celebrity Baby Limited | Edgware | 2007 |