| Caroline Bickerstaff Weddings & Events Ltd | Troon | 2022 |
| Caroline Briston Permanent Makeup Ltd | Peterborough | 2022 |
| Caroline Carrier Coaching Ltd | Yeovil | 2024 |
| Caroline Carter Consultancy Limited | Willingdon | 2022 |
| Caroline Cobbold Design Limited | London | 2008 |
| Caroline Cranley Property & Design Limited | Northwich | 2020 |
| Caroline DNA 1 Limited | Thornton Cleveleys | 2017 |
| Caroline Gray PT Ltd | St Asaph | 2024 |
| Caroline Hirons Limited | London | 2014 |
| Caroline Hodgson Ltd | Barrow In Furness | 2002 |
| Caroline Holdaway Design Limited | Ashby-De-La-Zouch | 2005 |
| Caroline Honour Exclusive Salon Ltd | London | 2026 |
| Caroline J a Stevens Ltd | Musselburgh | 2026 |
| Caroline Jane Hair Solutions Ltd | Orkney | 2024 |
| Caroline Law Consulting Limited | Cannock | 2013 |
| Caroline Leigh Ltd | Chislehurst | 2025 |
| Caroline Matthews Limited | Brighton | 2011 |
| Caroline Mcateer Ltd | Chatham | 2006 |
| Caroline Mitchell Hair & Beauty Limited | Harlow | 2002 |
| Caroline Mondo Cleaning Services Ltd | Gwynedd | 2004 |
| Caroline Northrop Limited | Sowerby Bridge | 2015 |
| Caroline Shasha Interiors Limited | London | 2008 |
| Caroline Shine HR Services Ltd | Banstead | 2023 |
| Caroline Sinclair Ltd | Northampton | 2026 |
| Caroline Strachan Permanent Makeup Limited | Glasgow | 2024 |
| Caroline Sullivan Limited | Birmingham | 2015 |
| Caroline Taylor Ltd | Wirral | 2024 |
| Caroline Walker Property Leasing Limited | Aberdeen | 2018 |
| Caroline Whitmey Coaching Ltd | Edinburgh | 2022 |
| Caroline Wilson Wellness Ltd | Keighley | 2025 |
| Caroline Young Limited | Duffield | 2025 |
| Caroline's Beauty Services Limited | Nottingham | 2003 |
| Caroline's Circuits Limited | London | 2023 |
| Carolines Beauty Salon Limited | Liverpool | 2014 |
| Caroline’S New Look Limited | Cardiff | 2018 |
| Carology Customisations Ltd | Croydon | 2025 |
| Carolux Beauty Ltd | Ipswich | 2025 |
| Carolyn Costumes Hire and Design Ltd | Kinross | 2011 |
| Carolyn Cousins Ltd | Doncaster | 2016 |
| Carolyn Croft Family Law Services Limited | Plymouth | 2021 |
| Carolyn Ling Financial Planning Limited | Chester | 2011 |
| Carolyn Ryan Ltd | Shipley | 2023 |
| Carolyn Thorpe Limited | Poole | 2012 |
| Carolyne Mair Hairdressing Limited | Aberdeen | 2005 |
| Caron Hull Ltd | Cheshire | 1999 |
| Caron Turner Holistic & Beauty Therapy Limited | Carlisle | 2011 |
| Caronard Services Limited | 41 Greek Street, Stockport | 2005 |
| Carooz Ltd | Upminster | 2025 |
| Caroto Limited | Rickmansworth | 2021 |
| Carousel Creche Company Limited | Canterbury | 2014 |
| Carousel Tattoo Limited | Worthing | 2015 |
| Carousel Training Limited | Glasgow | 2007 |
| Carpa Baber Shop Ltd | Kilburm | 2016 |
| Carpark Chester Limited | Chester | 2023 |
| Carpcast Limited | Blackpool | 2015 |
| Carpe Diem Dundee Limited | Dundee | 2018 |
| Carpe Diem Network Limited | Redhill | 2019 |
| Carpenter Investments Brunswick Park 2 Ltd | Liverpool | 2011 |
| Carpentry Enterprise Ltd | Dagenham | 2015 |
| Carpentry Global Marine Service Ltd | Bournemouth | 2020 |
| Carpet and Fabric Care UK Limited | Hampshire | 2003 |
| Carpet Care Direct Limited | Bordon | 2016 |
| Carpet Clean Ltd. | London | 2022 |
| Carpet Cleaner Crawley Ltd | Ilford | 2025 |
| Carpet Cleaners Association Limited(The) | Kidderminster | 1983 |
| Carpet Doctor UK Limited | Tamworth | 2009 |
| Carpet DRY Ltd | Middlesbrough | 2022 |
| Carpet Emporium (NW) Ltd | Preston | 2013 |
| Carpet Express & Business Centre Ltd | Ilford | 2012 |
| Carpet Express London Ltd | Ilford | 2023 |
| Carpet Floorings Direct Limited | Heybridge Maldon | 2015 |
| Carpet Network Limited | London | 2008 |
| Carpet Preservation Services Ltd | Billericay | 2001 |
| Carpet Repair Ltd | Morden | 2018 |
| Carpet Repair Tyne & Wear Ltd | Houghton Le Spring | 2026 |
| Carpetbay Ltd | Annan | 2017 |
| Carpetcore Limited | Spalding | 2025 |
| Carpets Clinic Limited | London | 2019 |
| Carphone Services Ltd | Manchester | 2002 |
| Carpio Tech Limited | London | 2021 |
| Carpro Automotive Ltd | Dunstable | 2020 |
| Carpro Solutions Ltd | Birmingham | 2025 |
| Carr & Co (NE) Limited | Gateshead | 2026 |
| Carr Funeral Service (Boston) Limited | Boston | 1981 |
| Carr Hill Containers Limited | Doncaster | 2020 |
| Carr House Court Management Company Ltd | Sheffield | 2010 |
| Carr Road Commercial Centre Limited | Business Park Great Blakenham | 1989 |
| Carr-Bridge Ahead | Carrbridge | 2004 |
| Carrancare Ltd | Nairn | 2019 |
| Carrara Mews Residents Association Limited | London | 2001 |
| Carray Computer Services Ltd | Waterlooville | 2016 |
| Carrea Barbers Ltd | Bedford | 2024 |
| Carreco Ltd | Sheffield | 2008 |
| Carreraplanes Limited | Sandy | 2008 |
| Carriage Chauffeurs Limited | London | 2025 |
| Carriage Return Limited | Bristol | 2015 |
| Carriage Solutions (London) Ltd | Barking | 2017 |
| Carriages Funeral Service Limited | Warrington | 2022 |
| Carriageworks Community Interest Company | Bristol | 2024 |
| Carrich House Guildford Limited | Guildford | 1989 |