| Bay Court Residents Company Limited | Croydon | 1968 |
| Bay Court Residents' Management Company Limited | Leicester | 2023 |
| Bay Crest Owners Limited | Bournemouth | 2020 |
| Bay Fort Mansions (Management Company) Limited | Paignton | 2002 |
| Bay Green (Clevedon) Management Company Limited | Croydon | 2017 |
| Bay Horse Court Management Limited | Skipton | 2004 |
| Bay Horse Lane (Management Company) Limited | Preston | 2022 |
| Bay Horse View Management Ltd | Stroud | 2021 |
| Bay House Limited | Honiton | 1987 |
| Bay House Management Company Limited | Looe | 2006 |
| Bay House RTM Company Limited | London | 2025 |
| Bay House Seaford Limited | Shoreham-By-Sea | 2007 |
| Bay Lodge Apartments Limited | Swanage | 2024 |
| Bay Quality Investment Ltd | Torquay | 2019 |
| Bay Road Management Company Limited | Belfast | 2007 |
| Bay Square Management Limited | London | 2021 |
| Bay Tree (Burnaby Road) Management Company Limited | Dorset | 2000 |
| Bay Tree Cottage Properties Ltd | Dunstable | 2025 |
| Bay Tree Cottages (Walberton) Limited | Arundel | 1989 |
| Bay Tree Flats Management Company Limited | Bude | 2021 |
| Bay Tree House (Hythe) Management Company Ltd | Maidstone | 2023 |
| Bay Tree Innovations Ltd | Truro | 2023 |
| Bay Tree Lodge Limited | Camberley | 1962 |
| Bay Tree Management (Minehead) Limited | Minehead | 2008 |
| Bay View (Anglesey) Management Company Ltd | Stockport | 2017 |
| Bay View (Broadstairs) Management Company Limited | Ashford | 2025 |
| Bay View (Morecambe) Limited | Morecambe | 2026 |
| Bay View (Newquay) Limited | Newquay | 2004 |
| Bay View (Northam) Management Company Limited | Southend-On-Sea | 2022 |
| Bay View (Penarth) Management Company Ltd | Cardiff | 2025 |
| Bay View Apartments (Kent) Limited | Whitstable | 2020 |
| Bay View Apartments Management Limited | Barnstaple | 2001 |
| Bay View Beach Chalets Limited | Swanage | 2002 |
| Bay View Close RTM Company Limited | Barrow-In-Furness | 2021 |
| Bay View Court (Lake) Management Limited | East Cowes | 1991 |
| Bay View Court (Lancaster) Management Company Limited | | 1995 |
| Bay View Court (Tycoch) Management Company Limited | Swansea | 2018 |
| Bay View Court Management Company Limited | Barnstaple | 1993 |
| Bay View Gardens Freehold Limited | Bournemouth | 2012 |
| Bay View Management (Filey) Ltd | Filey | 2009 |
| Bay View Residents Association (Heysham) Limited | Morecambe | 2001 |
| Bay View Residents Co (Torcross) Ltd. | Leamington Spa | 1988 |
| Bay View Residents Management Limited | Poulton-Le-Fylde | 2005 |
| Bay View Rise Management Co. Limited | Bournemouth | 1986 |
| Bay View Road Management Limited | Woolacombe | 2001 |
| Bay View Salcombe Management Limited | Rushton | 2023 |
| Bay Watch Management Limited | Weymouth | 1986 |
| Bayan Property Ltd | London | 2025 |
| Bayclose Management Limited | Newport | 2002 |
| Baydale Croft (Management) Limited | Darlington | 2000 |
| Bayeaux House (Commonside East) Residents Management Company Ltd | Farnham | 2019 |
| Bayercastle Limited | Twickenham | 1990 |
| Bayeux Mews (Tidworth) Management Company Limited | Waltham Abbey | 2006 |
| Bayeux Residents Limited | Tadworth | 2015 |
| Bayfield Management Limited | Clevedon | 1994 |
| Bayford Lodge Management Company Limited | Harrow | 1967 |
| Bayford Mews Limited | London | 2018 |
| Bayford Property Services Ltd | Cheadle | 2017 |
| Bayfordbury Mansion Limited | Hertford | 2007 |
| Baygrove Mews Hampton Wick Management Limited | Surrey | 1997 |
| Bayham Residents' Association Limited | London | 1977 |
| Bayham Road (Tunbridge Wells) Management Company Limited | Sevenoaks | 2015 |
| Bayhead House Apartments Management Company Limited | Coleraine | 2005 |
| Bayhead Management Company Limited | Coleraine | 2011 |
| Bayhouse (IOW) 2 Management Company Limited | Sandown | 2023 |
| Bayis Estates Ltd | London | 2025 |
| Bayit Accommodations Ltd | London | 2026 |
| Bayit Properties Limited | Aylesbury | 2022 |
| Bayle Court (Folkestone) RTM Company Limited | Folkestone | 2023 |
| Bayley's Properties Limited | Walsall | 2025 |
| Bayline Property Group Ltd | Bournemouth | 2025 |
| Bayliss Court Management Company Limited | Camberley | 1996 |
| Bayman Manor Residents Association Ltd | Bucks | 2001 |
| Baymead Apartments Limited | Croydon | 2013 |
| Baynards Green Management Limited | London | 1999 |
| Baynes Place Management Services Limited | Chelmsford | 2008 |
| Baynhall Oast Houses Management Limited | Worcester | 1998 |
| Bayrose Limited | Northumberland Road Portsmouth | 2002 |
| Bays Court Residents (Edgware) Limited | Milton Keynes | 1974 |
| Bays Farm Court RTM Company Limited | Kingston Upon Thames | 2008 |
| Bayside Court Flat Management Company Ltd | Taunton | 2020 |
| Bayside Heights Freehold Limited | Birchington | 2023 |
| Bayside Management Limited | West Gate On Sea | 2012 |
| Bayside Property Solutions Limited | Leeds | 2026 |
| Bayswater Court Management (Wallasey) Limited | Wallasey | 2017 |
| Bayswater Farm (Headington) Management Company Limited | Oxford | 2017 |
| Bayswater Fields (Barton) Management Company Limited | Salisbury | 2016 |
| Baythorpe Lodge Limited | Torquay | 1979 |
| Baytmilk Limited | Stourport-On-Severn | 2025 |
| Bayton Court Management Company Limited | West Sussex | 2003 |
| Bayton Farm Lane Management Limited | Ross On Wye | 2017 |
| Baytree Court (Management) Limited | Bourne End | 1976 |
| Baytree Hill Management Company Limited | Bodmin | 2007 |
| Baytree Road (WSM) Management Company Limited | Bristol | 2017 |
| Baytree Square Management Limited | Stroud | 2025 |
| Baytrees (Gerrards Cross) Management Company Limited | Great Missenden | 2012 |
| Baytrees (Poole) Management Ltd | London | 2006 |
| Bayview (Southbourne) Limited | Ringwood | 2002 |
| Bayview (Thanet) Limited | Margate | 2004 |
| Bayview (Wallasey) Management Company Limited | Wallasey | 2015 |