| 33 ST. James's Limited | London | 2005 |
| 33 Talbot Road Management Company Limited | | 1985 |
| 33 Talgarth Road Limited | London | 2005 |
| 33 TEN Ltd | London | 2020 |
| 33 Well Limited | London | 2019 |
| 33 X Ltd | London | 2024 |
| 33-39 Cranes Park Crescent Management Company Limited | Surbiton | 2000 |
| 330 Consulting Limited | Gargunnock | 2012 |
| 330WF106 Limited | Belfast | 2004 |
| 331 Consultancy Limited | Melton Mowbray | 2016 |
| 331 Trinity Road Management Company Limited | Stockport | 1994 |
| 332 Management Consultancy Ltd | Macclesfield | 2023 |
| 333 Accountants Limited | Newhaven | 2026 |
| 333 DM Ltd | Newcastle Under Lyme | 2022 |
| 333 Edin Ltd. | Earlston | 2015 |
| 333 Energy Services Ltd | Stoke-On-Trent | 2025 |
| 333 Financial Services Ltd | London | 2024 |
| 333 Media Ltd | London | 2023 |
| 333 Shirland Road (Freehold) Limited | London | 2020 |
| 3345 Arts International Limited | London | 2008 |
| 339 Taxis Ltd | Edinburgh | 2015 |
| 33CS3 Ltd | Crawley | 2018 |
| 33ET Ltd | Twickenham | 2024 |
| 33HZ Management Company Limited | Chichester | 2014 |
| 33HZ Management Group Limited | Chichester | 2017 |
| 33HZ Threads Limited | Chichester | 1998 |
| 33LOOP Limited | Harrow | 2025 |
| 33PR Ltd | London | 2018 |
| 33RDS Limited | St Albans | 2012 |
| 33T Limited | London | 2013 |
| 34 Aigburth Drive Management Limited | Liverpool | 2002 |
| 34 Albert Road Limited | | 2003 |
| 34 Apsley Road Management Company Limited | Shepton Mallet | 1984 |
| 34 Brock Street (Bath) Limited | St. Albans | 1992 |
| 34 Consulting Ltd | London | 2022 |
| 34 Goldhurst Terrace Limited | London | 2014 |
| 34 Grosvenor Place Bath (Management) Limited | Bath | 1984 |
| 34 Hampton Park Management Limited | Bristol | 2005 |
| 34 Herne Hill Road Management Company Limited | London | 2005 |
| 34 Kingsdown Avenue Limited | | 1998 |
| 34 Lumley Ltd | Horley | 2014 |
| 34 Red Ltd | Croydon | 2026 |
| 34 Shandon Road Limited | London | 2005 |
| 34 Sidney Avenue Freehold Limited | Folkestone | 2016 |
| 34 Wolfington Road Management Company Limited | London | 2013 |
| 34-36 Shanklin Road Freehold Company Ltd | Torquay | 2016 |
| 34-36 Valley Road Management Limited | London | 2001 |
| 34-49 Consulting Limited | Wimborne | 2024 |
| 340R Electrical Services Ltd | Selby | 2026 |
| 342 Consulting Limited | Dereham | 2015 |
| 343 and 345 Harrow View Limited | Buckingham | 2008 |
| 343 Corporate Development Ltd | Coventry | 2015 |
| 344 Consulting Ltd | Cardiff | 2020 |
| 345 Data Ltd | Castleford | 2022 |
| 345 Engineering Ltd | Richmond | 2023 |
| 345 Event Services Limited | Sturminster Newton | 2021 |
| 345 Kaizen Ltd. | Garsington | 2023 |
| 345 Project Management Ltd | Newport | 2000 |
| 347 Consultancy Ltd | Dagenham | 2024 |
| 349 Design Ltd | Tring | 2008 |
| 34G Media Limited | Southend On Sea | 2023 |
| 34LRR Ltd | Tadworth | 2010 |
| 35 Avonmore Road Residents Association Limited | | 1995 |
| 35 Coleherne Road Limited | London | 1993 |
| 35 Education Limited | London | 2025 |
| 35 Elmcourt Road Limited | London | 2023 |
| 35 Elms Crescent Management Company Limited | | 1996 |
| 35 ESP Ltd | Leeds | 2022 |
| 35 Knollys Road Management Co Limited | | 1991 |
| 35 Percent Ltd | Stroud | 2018 |
| 35 SAM Limited | London | 2024 |
| 35 the Studio Limited | Chorley | 2017 |
| 35 West Hill Consultancy Ltd | Leighton Buzzard | 2022 |
| 35 Wilberforce Road Management Company Limited | London | 1992 |
| 350 Strategy Limited | Holmfirth | 2011 |
| 350GSM Limited | Southsea | 2013 |
| 3510 Inspections Ltd | Taunton | 2025 |
| 35139 AM Limited | London | 2020 |
| 355 Amhurst Road Management Company Limited | | 1985 |
| 356 Architects Ltd | Stevenage | 2014 |
| 356 Design Ltd | Stevenage | 2016 |
| 356 International Limited | Alton | 1989 |
| 356554 Ltd | Potters Bar | 2022 |
| 357 Financial Services Ltd | Cambridge | 2024 |
| 357 Kennington Lane Ltd | London | 2019 |
| 35C Associates Limited | Solihull | 2016 |
| 35E Limited | Cambridge | 2024 |
| 35GRAMMMS Ltd | East Ham | 2026 |
| 35MM Limited | London | 1999 |
| 35N Limited | Manchester | 2023 |
| 36 Barn Rise Limited | Middlesex | 1993 |
| 36 Burrard Road Limited | London | 2005 |
| 36 Chambers Ltd | Romford | 2023 |
| 36 Clapham Road Residents Association Limited | Bedford | 1987 |
| 36 Clarendon Drive Putney Limited | London | 1994 |
| 36 Collective Ltd | Ipswich | 2026 |
| 36 Consulting Ltd | Ashford | 2021 |
| 36 Delorme Street Management Limited | Devizes | 2004 |
| 36 Finborough Road Management Limited | Newcastle Upon Tyne | 1997 |
| 36 Gloucester Drive Management Limited | London | 1987 |