| Canine House Limited | London | 2016 |
| Canine Hydrotherapy Association Limited | Denby Dale | 2000 |
| Canine Kitchen Limited | Aylesbury | 2016 |
| Canine Lodgings Ltd | Ballyclare | 2023 |
| Canine Lore Ltd | Leigh | 2025 |
| Canine Oral Hygiene Ltd | Liverpool | 2023 |
| Canine Paradise Limited | Doncaster | 2007 |
| Canine Partners for Independence | Loughborough | 1990 |
| Canine Paws Academy Ltd | Rochester | 2024 |
| Canine Perspective C.I.C. | Birmingham | 2014 |
| Canine Principles Ltd | London | 2018 |
| Canine Retreat Ltd | Sevenoaks | 2025 |
| Canine Safety and Management Limited | Ashford | 2025 |
| Canine Secure Ltd | Kingswinford | 2024 |
| Canine Strategies Limited | Knowle, Solihull | 2023 |
| Canine Studies College Ltd (Sicily Animal Support) | Bexhill-On-Sea | 2020 |
| Canine Thinking Ltd | Nantwich | 2011 |
| Canine Training Group Ltd | Oakham | 2025 |
| Canine Training Limited | Ferndown | 2025 |
| Canine Village Ltd | Glasgow | 2017 |
| Canine Wellness @ Duffy's Ltd | Bathgate | 2018 |
| CANINE2FIVE Ltd | Twickenham | 2019 |
| Caninecreations Ltd | Grimsby | 2023 |
| Canineteen Ltd | London | 2023 |
| Caninetofive Ltd | Falkirk | 2019 |
| Canis (Marylebone) Limited | London | 2023 |
| Canis (UK) Ltd | Cardiff | 2014 |
| Canis Concept Limited | Aberystwyth | 2021 |
| Canis Dog Grooming Ltd | Chipping Norton | 2023 |
| Canis in the City Limited | London | 2022 |
| Canis Otium Ltd | London | 2023 |
| Canis Training Ltd | Newcastle Upon Tyne | 2021 |
| Canji Capital Ltd | Buckinghamshire | 2017 |
| Cankaya Consultancy Ltd | London | 2020 |
| Canlier Coaching Ltd | Stoke-On-Trent | 2021 |
| Canlier Limited | London | 2019 |
| Canlines Holdings Limited | Prescot | 2020 |
| Canmi Ltd | Heathrow | 2009 |
| Canmore Consulting Ltd | Boat Of Garten | 2011 |
| Canmore Gardens Management Services Ltd | London | 2019 |
| Canmore Leisure & Hospitality Ltd | London | 2021 |
| Cann Hall Road Hand Car Wash Ltd | London | 2019 |
| Cann Secure Limited | Norwich | 2016 |
| Cannabotech UK Ltd | Borehamwood | 2020 |
| Cannam Hudson Financial Planning Limited | Corby | 2008 |
| Canndetail Ltd | Northwich | 2019 |
| Canning House Limited | London | 1997 |
| Canning Town Barbers Ltd | London | 2026 |
| Cannister Hall Barns Management Limited | Cromer | 2012 |
| Cannock Ticketing Limited | Cannock | 2016 |
| Cannock Chase Car Wash Ltd | Manchester | 2019 |
| Cannock Chase Services Ltd | Cannock | 2014 |
| Cannock INK Custom Tattoos Ltd | London | 2018 |
| Cannock Intruder Alarms Limited | Cannock | 2015 |
| Cannock L Agencies Ltd | Solihull | 2022 |
| Cannock Premium Tyres Ltd | Cannock | 2026 |
| Cannock Town Centre Partnership Trading AS “OUR Cannock” CIC | Cannock | 2019 |
| Cannon (NW) Ltd | Preston | 2016 |
| Cannon Campers UK Limited | Brecon | 2023 |
| Cannon Curtains Blinds and Canopies Ltd | Sittingbourne | 2011 |
| Cannon Dance Academy Ltd | Kingswinford | 2016 |
| Cannon Fire Safety Limited | Warrington | 2020 |
| Cannon Fitness Ltd | Poole | 2020 |
| Cannon HEY Estates Limited | Kendal | 1960 |
| Cannon Leisure (Scotland) Limited | Greenock | 2005 |
| Cannon Wharf Barbers Ltd | London | 2017 |
| Cannonball Events Limited | Bolton | 2013 |
| Cannons Cuts Ltd | Bedford | 2022 |
| Cannontech Limited | Glasgow | 1992 |
| Cannop Villas Recycling Ltd | Bristol | 2022 |
| Canntech Ltd | Witney | 2026 |
| Cannuba Limited | Southend On Sea | 2018 |
| Canny Calibre Limited | Leeds | 2019 |
| Canny Canines DC Limited | Hexham | 2024 |
| Cano Barber Shop Ltd | Abergavenny | 2025 |
| Cano Bean Magic Repairs Ltd | Colchester | 2015 |
| Cano Services Ltd | London | 2022 |
| Canoe Wales | Bala | 1990 |
| Canolfan Cymdeithasol Alma | Carmarthen | 2002 |
| Canolfan Cymdeithasol Cynwyl Elfed | Carmarthen | 2002 |
| Canolfan Gymunedol Ystradowen Community Centre Ltd | Carmarthenshire | 2011 |
| Canolfan HEN Ysgol Bodorgan CYF | Bodorgan | 2006 |
| Canolfan Owain Glyndwr CYF. | Machynlleth | 1998 |
| Canon Barbers Ltd | Nottingham | 2016 |
| Canonbury Beauty Ltd | London | 2019 |
| Canonbury Hair Ltd | London | 2019 |
| Canonical Engineer Limited | Dundee | 2016 |
| Canonmills Limited | Aberdeen | 2008 |
| Canons Cleaners Ltd | Stanmore | 2014 |
| Canons Gladstone Limited | Hainault Business Park | 2023 |
| Canonvale Ltd | Southampton | 2018 |
| Canopi Foundation | London | 1998 |
| Canopius Services Limited | London | 1992 |
| Canopus Intelligence Ltd | London | 2023 |
| Canopus OS Solutions Limited | Liverpool | 2017 |
| Canopus Solutions Limited | London | 2025 |
| Canopy Bidco Limited | Altrincham | 2017 |
| Canopy Cleaning UK Ltd | West Bromwich | 2023 |
| Canopy Holdco Limited | Altrincham | 2017 |
| Canopy Midco Limited | Altrincham | 2017 |