| 5 Newport Terrace RTM Company Limited | Barnstaple | 2011 |
| 5 North Street Ashburton Limited | Devon | 1999 |
| 5 Northfield Ltd | Birmingham | 2010 |
| 5 OUT of 5 Ltd | Borehamwood | 2013 |
| 5 Peri Peri Ltd | Wishaw | 2024 |
| 5 Pies Limited | Glasgow | 2025 |
| 5 Priory Street, Cheltenham Residents Association Limited | | 1979 |
| 5 Queen Annes High Street (Bideford) Management Company Limited | Barnstaple | 2007 |
| 5 Rams Ltd | Bury | 2025 |
| 5 Residences Ltd | Oldbury | 2025 |
| 5 Rivers Properties (U.K) Ltd | Huddersfield | 2019 |
| 5 Rivers Sports Bar & Grill Ltd | Southampton | 2016 |
| 5 Rockleaze Management Company Limited | Bristol | 1980 |
| 5 RXT Ltd | North Shields | 2025 |
| 5 S Family Limited | West Byfleet | 2017 |
| 5 Savours Limited | Worksop | 2024 |
| 5 Selden Road (Worthing) Company Limited | Worthing | 2014 |
| 5 Star 74 Ltd | Blackpool | 2025 |
| 5 Star Afghan Pizza & Grill Limited | London | 2022 |
| 5 Star Bars and Catering Southwest Ltd | Dorchester | 2020 |
| 5 Star Chefs Ltd | London | 2020 |
| 5 Star Desserts Ltd | Edgware | 2018 |
| 5 Star Euro Standard Ltd | Gravesend | 2019 |
| 5 Star Film Catering Limited | Bootle | 2022 |
| 5 Star Food UK Ltd | Manchester | 2025 |
| 5 Star Holdings Oldham Ltd | Oldham | 2026 |
| 5 Star Park Management Limited | Barnsley | 2023 |
| 5 Star Pizza 1 Ltd | Hull | 2025 |
| 5 Star Pizza West Brom Limited | West Bromwich | 2026 |
| 5 Star Rolling Ice Ltd | London | 2025 |
| 5 Star Shawarma Limited | Preston | 2025 |
| 5 Star Waitering Service Ltd | Bolton | 2025 |
| 5 Starr Flava Ltd | Birmingham | 2023 |
| 5 Stars Falafel Limited | Wembley | 2013 |
| 5 Stars Tasty Food Ltd | Dinas Powys | 2024 |
| 5 Starz Ltd | Blackburn | 2023 |
| 5 Summerdays Ltd | Wakefield | 2022 |
| 5 Valleys Barn Ltd | Camp, Stroud | 2019 |
| 5 Ways Fried Chicken Ltd | Croydon | 2024 |
| 5 Western Road Freeholders Limited | Sutton | 2001 |
| 5 White Horse Limited | London | 2021 |
| 5 Wilton Road (Salisbury) Management Company Limited | Salisbury | 1989 |
| 5&6 Catering Ltd | London | 2026 |
| 5, Richmond Hill Avenue Management Company Limited | | 1989 |
| 5-10MINS Tops Ltd | Glasgow | 2021 |
| 5-6 New Parade Limited | Epsom | 2000 |
| 5-6 Park Close Ltd | London | 2024 |
| 50 & 56 Ltd | Manchester | 2026 |
| 50 / Fifty Ltd | Edinburgh | 2026 |
| 50 Bridge Street Morpeth Limited | Morpeth | 2025 |
| 50 Brunswick Gardens Limited | | 1969 |
| 50 Bury Ltd | Bury | 2025 |
| 50 Cranwich Road Limited | London | 2004 |
| 50 Degrees Incorporated Ltd | London | 2022 |
| 50 Great College Street (Management) Company Limited | Hove | 1984 |
| 50 Hova Villas Limited | Hove | 2015 |
| 50 Leathwaite Road (Freehold) Limited | London | 2015 |
| 50 Massetts Road Limited | Horley | 2007 |
| 50 MC Limited | Edinburgh | 2024 |
| 50 North Hill PUB Ltd | Plymouth | 2025 |
| 50 Porchester Limited | London | 2024 |
| 50 Rupees Ltd | Loughborough | 2004 |
| 50 Sunrise Drive Limited | Sheffield | 2023 |
| 50 Warrior Square Limited | Langdon Hills | 2012 |
| 500 DEG Limited | Stoke-On-Trent | 2025 |
| 500 Degrees Clapham South Ltd | London | 2025 |
| 500 Degrees Clock House Ltd | Beckenham | 2017 |
| 500 Degrees Ferndale Road Ltd | London | 2019 |
| 500 Degrees Herne Hill Ltd | London | 2016 |
| 500 Degrees High Street Croydon Ltd | Croydon | 2017 |
| 500 Degrees Sliced Ltd | Horley | 2023 |
| 500 Events Ltd | Wakefield | 2025 |
| 500 Gradi Delivery Ltd | Romford | 2019 |
| 500 Restaurant Ltd | London | 2008 |
| 500LOUNGE Limited | Mansfield | 2026 |
| 501 Bar Ltd | Hollinwood | 2016 |
| 501.5 Heritage Ltd | Brighton | 2025 |
| 501COFFEE Ltd | Derby | 2023 |
| 509 Holdings Limited | Leeds | 2024 |
| 51 Degrees North Coffee Co Limited | Barnstaple | 2024 |
| 51 Eglantine Road Management Company Limited | London | 1991 |
| 51 Fairfax Road Limited | London | 2015 |
| 51 Holdings Ltd | Ormskirk | 2026 |
| 51 Italian Ltd | Ormskirk | 2026 |
| 51 Mill Lane Ltd | Liverpool | 2020 |
| 51 Palace Gardens Terrace Limited | London | 1981 |
| 51 Ruby Stone Ltd | Leicester | 2019 |
| 51 Stokes Croft Limited | Bristol | 2009 |
| 51 Wide Bargate Management Company Limited | Lincolnshire | 2001 |
| 511 Foods Ltd | Birmingham | 2020 |
| 513 Oriental Cuisine Limited | Bury St. Edmunds | 2016 |
| 515 Events Ltd | Cardiff | 2017 |
| 5153MRM Nottingham Limited | Builth Wells | 2005 |
| 517LORDSTREET Ltd | Preston | 2022 |
| 52 Brampton Road (Headington) Management Company Limited | Oxford | 2013 |
| 52 Broadway Limited | Crediton | 2018 |
| 52 Cobbold Road Management Company Limited | Southampton | 1998 |
| 52 Davenant Road Limited | | 2005 |
| 52 Duke Street Ltd | Liverpool | 2018 |
| 52 Etherley Road Limited | London | 2006 |