| Clarant Hair Ltd | Huddersfield | 2019 |
| Clare Baggaley Limited | Derby | 2011 |
| Clare Bottle Limited | Leicestershire | 2015 |
| Clare Bramley Consulting Ltd | Banbury | 2017 |
| Clare Carter Ltd | Preston | 2009 |
| Clare Crossley Ltd | Bristol | 2023 |
| Clare Elizabeth Hairdressing Ltd | Wirral | 2021 |
| Clare Evans Consultancy Ltd | Kingswinford | 2021 |
| Clare M Hair and Beauty Limited | Perth | 2008 |
| Clare Nunn Limited | Cambridge | 2014 |
| Clare Packer Hair Ltd | Southampton | 2023 |
| Clare Pullen Limited | Whitehills Business Park | 2017 |
| Clare Richardson Limited | Watford | 2012 |
| Clare Watkins Personal Styling Limited | Altrincham | 2022 |
| Clare's Cosmetic Skin Centre Ltd | Sandown | 2019 |
| Clare's Hair & Beauty Limited | Warwickshire | 2002 |
| Clare's Pawsitive Strides Ltd | Burton On Trent | 2025 |
| Clare-Ver Education Ltd | Harlow | 2023 |
| Claredale Sheldon Limited | Ilford | 2023 |
| Clarehouse Storage & Security Limited | Buckhurst Hill | 2021 |
| Clarelle Beauty Limited | Preston | 2014 |
| Claremont Advisory Services Ltd | London | 2014 |
| Claremont Aesthetics Ltd | Polmont | 2026 |
| Claremont Cattery Limited | Middlesex | 2004 |
| Claremont Court Care Home Limited | Pontypridd | 2012 |
| Claremont Day Nursery Limited | Northampton | 2000 |
| Claremont House Hotel Limited | Hove | 2006 |
| Claremont Kitchens & Interiors Limited | London | 2025 |
| Claremont Kitchens Limited | London | 2025 |
| Claremont Park (Scotland) Limited | Edinburgh | 2009 |
| Claremont Property Management Ltd | Cardiff | 2019 |
| Claremont Quays Management Limited | Guildford | 2005 |
| Claremont Support Services Ltd | Broxbourne | 2025 |
| Clarence and Waterford Crescent Residents Association Limited | Whitley Bay | 2011 |
| Clarence Barbers Limited | Tring | 2025 |
| Clarence Marine Engineering Limited | London | 1987 |
| Clarence Nursery Ltd. | Falkirk | 1998 |
| Clarence Street Piercing Limited | Throsk | 2009 |
| Clarence Street Tattoo Limited | Stirling | 2019 |
| Clarenden Barn Limited | Stevenage | 2019 |
| Clarendon Aesthetics (Scotland) Ltd. | Dundee | 2014 |
| Clarendon Assets (Scotland) Ltd. | Dundee | 2024 |
| Clarendon House Holdings Ltd | Teignmouth | 2017 |
| Clarendon Personal Management Ltd | London | 2019 |
| Clarendon Road Laundrycare Limited | Southsea | 1996 |
| Clarendon Tailors Limited | London | 2017 |
| Clarendon Trust Limited | Sussex | 1998 |
| Clarent Limited | London | 2020 |
| Clares Accessories Limited | York | 2025 |
| Clares Hair Salon Ltd | Cardiff | 2024 |
| Clares Hot Chair Limited | Castlederg | 2016 |
| Clares of Grantham Ltd | Grantham | 2020 |
| Clarets in the Community Limited | Burnley | 2013 |
| Clareville Road Residents Society Limited | Orpington | 1978 |
| Clarewood Investments Limited | Oxted | 2025 |
| Clarice Gill Ltd | Ross-On-Wye | 2026 |
| Claridge Aesthetics Limited | Cheltenham | 2024 |
| Claridge Court Residents Association Limited | Southport | 2011 |
| Claridge Funeral Service Ltd | Marlborough | 2017 |
| Clarient Global Limited | Cambridge | 2025 |
| Clarimore Limited | Charlbury | 2017 |
| Clarin Aviation Ltd | Weymouth | 2022 |
| Clarin Education Ltd | Weymouth | 2022 |
| Clarin Trading Ltd | Weymouth | 2022 |
| Clarion Coaching Ltd | Enfield | 2025 |
| Clarion Developments Limited | Bedford | 1994 |
| Clarion Energy Limited | London | 2009 |
| Clarion Events Birmingham Limited | London | 2005 |
| Clarion Interpreting Limited | Leeds | 2002 |
| Clarion Media Ltd | Nottingham | 2019 |
| Clariscan Imaging Ltd | Leeds | 2025 |
| Clarissa Grahn Ltd | Bury St. Edmunds | 2022 |
| Clarissa Nails (UK) Limited | Newquay | 2015 |
| Clarissa Stefania Limited | Derby | 2015 |
| Clarissas Ltd | Southampton | 2026 |
| Claritas Laser Clinic Limited | Kirkby Stephen | 2014 |
| Clarity Above Clutter Ltd | London | 2024 |
| Clarity Aesthetics West Midlands Limited | Bromsgrove | 2025 |
| Clarity Alliance Ltd | East Sussex | 1989 |
| Clarity and Confidence Ltd | Eastleigh | 2021 |
| Clarity Beauty Solutions Limited | Bolton | 2016 |
| Clarity Cleaning Services Ltd | Pinner | 2007 |
| Clarity Computers Limited | Newton Abbot | 2000 |
| Clarity Core Cleaning Ltd | Kent | 2026 |
| Clarity Cover Ltd | Bournemouth | 2025 |
| Clarity Hair & Beauty Ltd | Sutton | 2014 |
| Clarity Health and Beauty Ltd. | St. Neots | 2012 |
| Clarity House Limited | Dunfermline | 2001 |
| Clarity Independent Financial Advisers Limited | Edinburgh | 2006 |
| Clarity Laser Ltd | London | 2008 |
| Clarity Lifestyle Consulting Ltd | Birmingham | 2025 |
| Clarity Medical Limited | Loughton | 2020 |
| Clarity Minds Ltd | Croydon | 2018 |
| Clarity Nails & Beauty Ltd | Sheffield | 2018 |
| Clarity Personal Design Limited | Basingstoke | 2022 |
| Clarity Skin Studio Ltd | Liverpool | 2026 |
| Clarity Through Reflection Ltd. | Runcorn | 2022 |
| Clarity Wellness Club Ltd | London | 2024 |
| Claritys 33 Limited | Greater Manchester | 2014 |
| Claritys MCR Ltd | Cheadle | 2025 |