| Buzra Property Management Ltd | King'S Lynn | 2022 |
| Buzz Property Management Ltd | London | 2013 |
| Buzzard Close Limited | Leicester | 2011 |
| Buzzard Meadows (Leighton Buzzard) Residents Management Company Limited | Northampton | 2018 |
| BV Management Ltd | Birmingham | 2026 |
| BV Property Maintenance Ltd | London | 2018 |
| BV Residents Management Company Limited | Co Londonderry | 2000 |
| Bvct Ltd | Ross-On-Wye | 2012 |
| BVJ Property Ltd | Ruthin | 2024 |
| Bvjw Property Ltd | Sittingbourne | 2025 |
| Bvla Limited | Leeds | 2025 |
| BVM Residential Management Co. Limited | Harrogate | 2007 |
| BVP Residential Management Company Limited | Cambridge | 2017 |
| Bvre Group Ltd | London | 2017 |
| BW Facility Management Ltd | Uxbridge | 2019 |
| BW Freehold Limited | Gloucester | 2025 |
| BW Properties (Plymouth) Limited | Plymouth | 2012 |
| BW Property Maintenance Services Ltd | London | 2026 |
| BWE Management Limited | London | 1996 |
| Bwood Group Limited | Borehamwood | 2022 |
| BWR Flats Management Company Ltd | Teignmouth | 2019 |
| BWS Property Leeds Limited | Leeds | 2017 |
| BY Natures Way Limited | Warminster | 2024 |
| BY S. Property Limited | Newtownards | 2025 |
| BY the Green Residents Company Limited | Camberley | 2017 |
| BY the Lighthouse Limited | Canterbury | 2003 |
| BY the Wood Flats Limited | Watford | 1962 |
| Byards Park Management Company Limited | Knaresborough | 1988 |
| Bybrook Court Management Company Limited | Ashford | 1982 |
| Bybrook Management Company Limited | Hythe | 1994 |
| Byburn Ltd | Shanklin | 2019 |
| Bychurch END Residents Association Limited | Leatherhead | 1996 |
| Byco Flat Management (Ferndown) Limited | Bournemouth | 1975 |
| Bycullah (Enfield) Management Company Limited | Enfield | 1988 |
| Bycullah Court Management Company Limited | Enfield | 2002 |
| Bycullah Road Chase Green Avenue Ltd | London | 2016 |
| Bycullah Road Investments Ltd | London | 2020 |
| Bydand Lane Management Company Limited | Hoddesdon | 2012 |
| BYE Pass Management Group Limited | Chester | 2024 |
| Byers Garth Management Company Limited | Durham | 2002 |
| Byewaters (NO 2) Apartment Management Company Limited | New Milton | 1998 |
| Byewaters (NO.1) Apartment Management Company Limited | New Milton | 1998 |
| Byewaters (NO.3) Apartment Management Company Limited | Harlow | 1998 |
| Byewaters (NO.4) Apartment Management Company Limited | Watford | 1999 |
| Byewaters Estate Management Company Limited | Hertford | 1998 |
| Byfield Residents Management Company Limited | Daventry | 2022 |
| Bylands House (Redbourn) Management Limited | Luton | 1999 |
| Byng Morris Close Management Limited | Swansea | 2002 |
| Byre Property Management Ltd | Cricklade | 2023 |
| Byrkley Mews Management Company Limited | Burton-On-Trent | 2015 |
| Byrne & SON Property Ltd | Redhill | 2021 |
| Byrne Road (Freehold) Company Limited | Godalming | 2007 |
| Byrne Road Management Limited | London | 1986 |
| Byrom Fields (Wigan) Management Company Limited | Croydon | 2006 |
| Byron Mansions Management Limited | Rochford | 1990 |
| Byron and Marlowe Courts Management Company Limited | London | 1987 |
| Byron Close (Ringmer) Management Company Limited | Lewes | 2019 |
| Byron Court (Block C) Investments Ltd | London | 2017 |
| Byron Court (Exeter Road) Limited | Honiton | 1982 |
| Byron Court (Knowle) Management Company Limited | Solihull | 2013 |
| Byron Court (Liverpool) Management Company Limited | Liverpool | 2000 |
| Byron Court (Southgate) Management Company Limited | London | 1994 |
| Byron Court (Southport) RTM Company Limited | Southport | 2014 |
| Byron Court (Windsor) Freehold Limited | Windsor | 2006 |
| Byron Court Apartments Limited | Woodford Green | 1965 |
| Byron Court Cheltenham (Management) Company Limited | Cheltenham | 1997 |
| Byron Court CR7 Limited | London | 2022 |
| Byron Court Management (Swiss Cottage) Limited | Stanmore | 1969 |
| Byron Court Management Company Limited | London | 1985 |
| Byron Court Property Management Ltd | Holywood | 2014 |
| Byron Doors Limited | Annesley | 2014 |
| Byron Green Management Limited | Manchester | 2007 |
| Byron Grove Management Company Limited | Farnham | 1993 |
| Byron Heights Residents Management Company Limited | Newcastle Upon Tyne | 2019 |
| Byron House (Residents) Limited | Hoddesdon | 1986 |
| Byron Investments Essex Limited | Leigh-On-Sea | 2022 |
| Byron Management Company (Woolacombe) Ltd | Bath | 2015 |
| Byron Management Company Limited | Croydon | 1988 |
| Byron Mews (Flats) RTM Company Limited | Henham | 2006 |
| Byron Mews Freehold Limited | Bishop'S Stortford | 2004 |
| Byron Mews Residents (Hampstead) Limited | Bishop'S Stortford | 1994 |
| Byron Property Management Ltd | Sunderland | 2009 |
| Byron Road Management Company Limited | Tonbridge | 1994 |
| Byron Walk Management Company Limited | Leeds | 1969 |
| Byron-Moore RTM Company Ltd | London | 2026 |
| Byrongate Limited | Sutton | 1999 |
| Byrons Wood (Hucknall) Management Company Limited | Hemel Hempstead | 2014 |
| Bysshop Meadow Management Company Limited | Salisbury | 2012 |
| Bystar Ltd | Margate | 2024 |
| Bystock Management (Exmouth) Limited | Devon | 2000 |
| Byview Investments Limited | St. Albans | 1962 |
| Bywater Court Management Co Ltd | Upham | 2020 |
| Bywater Place Limited | London | 2007 |
| Byways Management Company (Stoughton) Limited | Leicester | 2006 |
| Byways Residents Association Limited | City Of London | 2026 |
| Byzantine Court Management Company Limited | Bristol | 1984 |
| BZ Hessey Properties Ltd | Liverpool | 2025 |
| BZH Properties Ltd | Birmingham | 2023 |
| C & a Lettings (Glasgow) Ltd | Glasgow | 2025 |
| C & B (NW) Developments Ltd | London | 2025 |