| 3349135 Ltd | Leamington Spa | 1997 |
| 338 Mobiles Ltd | Birmingham | 2021 |
| 339 Foods Limited | Cardiff | 2018 |
| 33CORPORATION Limited | Birmingham | 2014 |
| 33CSLG Ltd | Crawley | 2018 |
| 33HZ Artists Limited | Woking | 2018 |
| 33HZ Leisure Limited | Woking | 2018 |
| 33MM Studio Ltd | Manchester | 2023 |
| 33SECONDS Limited | London | 2010 |
| 34 ALL Company Limited | Bury St. Edmunds | 2025 |
| 34 Content Ltd | Mildenhall | 2025 |
| 34 Retail Limited | Leicester | 2024 |
| 34 ST John Limited | Fleet | 2022 |
| 34 the Parade Limited | Leicester | 2026 |
| 340CT Limited | London | 2018 |
| 341 Limited | Birmingham | 2024 |
| 342 Services Ltd | Fleetwood | 2021 |
| 343 Kilburn Ltd | Harrow | 2025 |
| 345GOLFUK Ltd | Redhill | 2026 |
| 346 Motor Trade Limited | Dewsbury | 2019 |
| 346 Online Ltd | Mirfield | 2018 |
| 348 Trading Ltd | Leicester | 2020 |
| 34FY Ltd | London | 2026 |
| 34IST Ltd | Cardiff | 2023 |
| 34R Limited | Poole | 2025 |
| 35 Vapours Limited | Liverpool | 2017 |
| 351 Services Limited | Turriff | 2016 |
| 353 Limited | Warwick | 2011 |
| 355 Automobile Restorations (Peterborough) Ltd | Peterborough | 2005 |
| 355 Automobile Restorations Limited | Guildford | 2005 |
| 355 Holdings Limited | Hertford | 2022 |
| 355 OFF License Limited | Derby | 2025 |
| 356 Online Ltd | Bolton | 2018 |
| 358 Global Ltd | London | 2024 |
| 359 Group Ltd | Edinburgh | 2026 |
| 359 Media Limited | Edinburgh | 2024 |
| 35BROOKSTREET Group Limited | London | 2022 |
| 35GIFTS Limited | London | 2025 |
| 35MM Photostop Ltd | Bristol | 2011 |
| 35MMFILM Ltd | Alloa | 2018 |
| 35TH Street Limited | London | 2022 |
| 36 Automotives Ltd | Manchester | 2024 |
| 36 Bourne Street Ltd | London | 2014 |
| 36 Local Express Limited | West Midlands | 2025 |
| 36&5 Limited | Beckenham | 2014 |
| 360 @ Alexandra Interiors Ltd | Ashington | 2020 |
| 360 Aces Ltd | Ilford | 2025 |
| 360 Aero Trade Ltd | Walsall | 2020 |
| 360 Aeromelt Ltd | Walsall | 2024 |
| 360 Agility Complexity Evolvability Solution UK Ltd | London | 2022 |
| 360 Autocare Ltd | Orpington | 2020 |
| 360 Automation PTY UK Limited | Bishop Auckland | 2024 |
| 360 Automotive Gloucester Ltd | Gloucester | 2014 |
| 360 Automotive Ltd | Swadlincote | 2021 |
| 360 Autoworks Ltd | Bristol | 2024 |
| 360 Booth HQ Ltd | Stockport | 2025 |
| 360 Business Support Hub Ltd | Huddersfield | 2025 |
| 360 Cars Ltd | Crawley | 2019 |
| 360 Clicks Limited | Pontefract | 2002 |
| 360 Colombo Limited | Great Yarmouth | 2025 |
| 360 Comps Ltd | Taunton | 2025 |
| 360 Corporation Ltd | Haywards Heath | 2025 |
| 360 Customs Ltd | Oldham | 2024 |
| 360 Cycling Ltd | Bury | 2021 |
| 360 Deep Clean Ltd | London | 2023 |
| 360 Degree Corporation Ltd | Manchester | 2023 |
| 360 Degree Hair Beauty Limited | London | 2024 |
| 360 Degris UK Limited | Wembley | 2025 |
| 360 Digital Cloud UK Limited | London | 2024 |
| 360 Digital Media Ltd | Abingdon | 2025 |
| 360 Digital Projects Ltd | London | 2018 |
| 360 Fashions Limited | Redhill | 2016 |
| 360 Firm Ltd | Cardiff | 2019 |
| 360 Food Partners (Buy) Ltd | Northampton | 2026 |
| 360 Food Partners (Procurement) Limited | Northampton | 2024 |
| 360 Fusion Marketing Ltd | Manchester | 2019 |
| 360 Global Sundries Ltd | Oldham | 2024 |
| 360 GRO Ltd | London | 2025 |
| 360 Grocery Ltd | Newton-Le-Willows | 2023 |
| 360 Home Care Ltd | Birmingham | 2019 |
| 360 Landscape Supplies Ltd | Warrington | 2023 |
| 360 Link Design to Supply Limited | Exeter | 2006 |
| 360 London Limited | Redhill | 2014 |
| 360 Models Limited | Cardiff | 2017 |
| 360 Network Solutions Ltd | Warrington | 2026 |
| 360 New Market Services Ltd | London | 2025 |
| 360 Office Interiors Ltd | Woking | 2011 |
| 360 Paper Recycling Ltd | Failsworth | 2022 |
| 360 Primetrends Ltd | Oldbury | 2023 |
| 360 Promotions Limited | Northwood | 2010 |
| 360 Reflux Ltd | Manchester | 2025 |
| 360 Remarketing Limited | Sheffield | 2010 |
| 360 Select Solutions Ltd | Manchester | 2025 |
| 360 Shutters and Blinds Ltd | Enfield | 2021 |
| 360 Signs Limited | Manchester | 2008 |
| 360 Supplies Ltd | Birmingham | 2023 |
| 360 Trade Ltd | Birmingham | 2022 |
| 360 Trading Limited | Manchester | 2010 |
| 360 Tyre Services Limited | Maidenhead | 2022 |
| 360 UK Business Solutions Limited | Stockport | 2023 |