| 3 Pillars Seafood Limited | Financial services | 2020 |
| 3 Queens Gate Property Management Company Limited | Households | 2001 |
| 3 Radnor Place Management Co Ltd | Extraterritorial | 1997 |
| 3, 5 and 7 Triumphal Crescent Management Company Limited | Households | 2017 |
| 307 North Road West Amenity Limited | Households | 2006 |
| 309, 309A, 311, 311A Old Laira Road Management Company Limited | Households | 2015 |
| 31 Prospect Street Management Co Ltd | Extraterritorial | 1997 |
| 31 Queens Road (Plymouth) Ltd | Extraterritorial | 1997 |
| 328 Cooking Studio Limited | Extraterritorial | 2018 |
| 33 Connaught Avenue Limited | Households | 2001 |
| 33 Grand Parade (Plymouth) Limited | Real estate | 2001 |
| 34 Drake Circus Limited | Extraterritorial | 2009 |
| 34 Victoria Place Management Company Limited | Households | 2004 |
| 345 ST Levan Road Ltd | Households | 2026 |
| 35 Headland Park Management Company Ltd. | Extraterritorial | 1997 |
| 35/37 Easterdown Close Management Company Limited | Households | 1992 |
| 36 Southside Street Limited | Hospitality | 2017 |
| 36 Sutherland Road RTM Company Limited | Households | 2018 |
| 36-40 Thorn Park Management Company Limited | Extraterritorial | 2002 |
| 363 Solutions Ltd | Information & communication | 2018 |
| 365 Crew Ltd | Arts & recreation | 2025 |
| 365 Days Till Christmas Limited | Wholesale & retail | 2020 |
| 369 Parcels Ltd | Transport & logistics | 2026 |
| 36A Devonport Road Limited | Households | 2025 |
| 37 Cambridge Road (Management Company) Plymouth Ltd | Households | 2023 |
| 37 Connaught Avenue Management Limited | Real estate | 2003 |
| 37 Cornwallis Crescent Management Company Limited | Households | 1997 |
| 37 Cranbourne Avenue Management Co Limited | Households | 2010 |
| 37 Houndiscombe Road Management Company Limited | Households | 2007 |
| 38 Alexandra Road Management Company Limited | Households | 2010 |
| 39 College Avenue RTM Company Limited | Households | 2016 |
| 39 Connaught Avenue Management Company Limited | Real estate | 2012 |
| 3BUOYS Ltd | Arts & recreation | 2020 |
| 3D Print Workshop Ltd | Manufacturing | 2018 |
| 3DSCAN4YOU Ltd | Professional & scientific | 2019 |
| 3FUND PVT Ltd | Administrative & support | 2018 |
| 3HW Property Limited | Professional & scientific | 2012 |
| 3IN One PVT Ltd | Hospitality | 2024 |
| 3KLIKSPHILIP Limited | Information & communication | 2021 |
| 3M Plymouth Ltd | Wholesale & retail | 2026 |
| 3RD Plymouth Road Management Company Limited(The) | Households | 1985 |
| 3S Enterprises Ltd | Wholesale & retail | 2020 |
| 3SIXTY Fitout Solutions Limited | Construction | 2019 |
| 4 Alton Road Limited | Households | 2018 |
| 4 Barton Villas Management Limited | Households | 2016 |
| 4 Degrees Plumbing Ltd | Construction | 2017 |
| 4 Elliot Street Management Company Limited | Real estate | 2011 |
| 4 Lipson Terrace Leaseholders RTM Company Limited | Households | 2020 |
| 4 Osborne Place Management Company Limited | Households | 1999 |
| 4 Smart Flats Limited | Real estate | 2005 |
| 4 Stirling Road ST. Budeaux (Plymouth) Limited | Households | 2004 |
| 4 the Esplanade Management Company Limited | Households | 1989 |
| 4 YOU Care Ltd | Health & social care | 2020 |
| 40 Durnford Street (Plymouth) RTM Company Limited | Households | 2026 |
| 40 Durnford Street Management Limited | Households | 2013 |
| 40 Haddington Road Management Limited | Households | 1988 |
| 41 Alexandra Road (Mutley) Management Company Limited | Households | 1995 |
| 41 College Avenue (Plymouth) Limited | Households | 2005 |
| 41 College Avenue Management Company Ltd. | Extraterritorial | 1997 |
| 41 Connaught Avenue Management Company Limited | Real estate | 2002 |
| 41 Headland Park Plymouth Limited | Households | 1990 |
| 41 Salcombe Road (Plymouth) Management Company Limited | Households | 1992 |
| 43 Powderham Crescent (Exeter) Limited | Professional & scientific | 1988 |
| 44 Weston Road (Gloucester) Management Limited | Real estate | 2000 |
| 45 Citadel the HOE Limited | Households | 2026 |
| 45 Emma Place Management Limited | Households | 1990 |
| 45 Southside Ltd | Wholesale & retail | 2013 |
| 46 Headland Park Limited | Households | 1991 |
| 46 Tavistock Place Limited | Hospitality | 2005 |
| 47 North Road East Management Company Limited | Households | 2002 |
| 48 Connaught Avenue Management Limited | Households | 2018 |
| 48 Haddington Ltd | Households | 2017 |
| 48 Mannamead Road Plymouth Management Company Limited | Households | 1990 |
| 48 Valletort Road Limited | Households | 2001 |
| 49 Prince Maurice Management Co Ltd | Extraterritorial | 1997 |
| 49 Union Road Exeter Limited | Households | 1998 |
| 49A Mutley Plain Limited | Extraterritorial | 1998 |
| 4A Darklake Limited | Real estate | 2025 |
| 4D Civil Engineering Surveying Ltd | Construction | 2004 |
| 4LM Ltd | Professional & scientific | 2011 |
| 4ME&U Ltd | Health & social care | 2014 |
| 4MS Ventures Limited | Real estate | 2011 |
| 4R Recruitment and Consult Ltd | Professional & scientific | 2019 |
| 4TH Plymouth Road Management Company Limited(The) | Households | 1986 |
| 5 & 6 Elliot Terrace Limited | Households | 1997 |
| 5 Bedford Terrace Management Company Limited | Real estate | 2002 |
| 5 Gascoyne Place Management Limited | Households | 1988 |
| 5 Hill Park Crescent Ltd | Households | 2021 |
| 5 Percy Terrace Management Company Limited | Extraterritorial | 1996 |
| 5 Rador Place Management Company Ltd. | Extraterritorial | 1997 |
| 5 Star Property Services (South West) Limited | Other services | 2018 |
| 5 the Esplanade Management Company Limited | Households | 2005 |
| 5 Victoria Place PL1 3LP Management Limited | Households | 2022 |
| 5, Boringdon Villas Limited | Households | 1987 |
| 50 Molesworth Road Management Company Limited | Professional & scientific | 1989 |
| 50 North Hill Ltd | Real estate | 2011 |
| 50 North Hill PUB Ltd | Hospitality | 2025 |
| 50 North Street Plymouth Limited | Extraterritorial | 1990 |
| 50 Shades Limited | Other services | 2018 |
| 51 Alexandra Road Management Company Limited | Households | 2007 |