| 44 Hackford Road Limited | 128 Old Christchurch Road | 2001 |
| 44 Head Street Management Company Limited | Enniskillen | 2006 |
| 44 High Street Ltd | Bourne End | 2025 |
| 44 Holyport Road Limited | | 2007 |
| 44 Honeywell Road Management Limited | London | 2009 |
| 44 Investments Limited | Aberdeen | 2025 |
| 44 Knox Road Freehold Limited | Northampton | 2022 |
| 44 Lavers Road Management Company Limited | London | 2012 |
| 44 Leyland Ltd | London | 2023 |
| 44 Manse Road Freehold Management Company Ltd | Burgess Hill | 2010 |
| 44 Market Place Limited | London | 2016 |
| 44 Meteor Road Freehold Limited | Westcliff-On-Sea | 2016 |
| 44 Midland Terrace Limited | Caterham | 2018 |
| 44 Mildmay Road Limited | London | 2014 |
| 44 Minford Gardens Management Company Limited | Chippenham | 1996 |
| 44 Mirabel Road Limited | | 2006 |
| 44 Montagu Road Management Company Limited | Oxford | 2012 |
| 44 North Street Mangement Ltd | London | 2011 |
| 44 Oakdale Road Limited | London | 2001 |
| 44 Oakhurst Grove Limited | London | 2003 |
| 44 Onslow Gardens Limited | | 2005 |
| 44 Palmerston Road Limited | London | 2008 |
| 44 Priory Road Management Company Limited | London | 1996 |
| 44 Properties Limited | Daventry | 2016 |
| 44 Property Ltd | Llanelli | 2025 |
| 44 PS GP Limited | London | 2022 |
| 44 PS Nominee Limited | London | 2022 |
| 44 Quarry Road Ltd | Ilford | 2024 |
| 44 Rosendale Road Management Company Ltd | London | 2025 |
| 44 Rugby Road Ltd | Brighton | 2023 |
| 44 Services Ltd | Eastleigh | 2021 |
| 44 Shroton Street Limited | London | 2004 |
| 44 South Street Freehold Limited | Eastbourne | 2023 |
| 44 South Terrace (Freehold) Limited | Havant | 2016 |
| 44 Southern ROW Limited | London | 2001 |
| 44 Terrace Road Limited | Aberystwyth | 2024 |
| 44 the Pantiles Limited | Tunbridge Wells | 2011 |
| 44 to 46 Jamaica Street Management Company Limited | Bristol | 2022 |
| 44 Tufnell Park Freehold Ltd | York | 1973 |
| 44 Tyrwhitt Road Flat Management Company Ltd. | Broadstairs | 1997 |
| 44 Vernon Street Management Co. Limited | Lincoln | 2006 |
| 44 Victoria Road Management Company Limited | South Glamorgan | 1996 |
| 44 Wannock Lane Limited | Eastbourne | 2007 |
| 44 Warden Avenue Ltd | Harlow | 2026 |
| 44 Water Street Holding Company Limited | Birmingham | 2026 |
| 44 Waverley Road Freehold Limited | Kenley | 2025 |
| 44 Weston Road (Gloucester) Management Limited | Plymouth | 2000 |
| 44 Wilberforce Road Limited | London | 2007 |
| 44 Wilton Road Management Limited | Bexhill-On-Sea | 2011 |
| 44 Woodstock Road Residents Association Limited | London | 1981 |
| 44 Woodville Gardens Freehold Company Limited | London | 2008 |
| 44-46 Gloucester Square (Freehold) Limited | London | 2003 |
| 44-48 East Street Limited | London | 2023 |
| 44-PLATINUM Ltd | Abbots Langley | 2022 |
| 44/45 Cleveland Square Limited | Harpenden | 1989 |
| 44/45 Hans Place Limited | | 2003 |
| 44/46 Frognal Limited | London | 1994 |
| 44/46 ST. George's Drive Ltd. | London | 1992 |
| 4400 Solent Business Management Company Limited | Portsmouth | 2008 |
| 443 Developments Ltd | London | 2025 |
| 4433 Ltd | London | 2025 |
| 444 Accommodation Ltd | London | 2022 |
| 444 Development Ltd | Elgin | 2025 |
| 444 Group Ltd | Barnet | 2022 |
| 444 Properties Ltd | Hayes | 2026 |
| 444 Property Group Limited | Mansfield | 2026 |
| 444 Property Investments Limited | London | 2019 |
| 444 Rentals Ltd | London | 2009 |
| 444 Vision Ltd | Wembley | 2021 |
| 444HOLDINGS Limited | London | 2022 |
| 445 Holdings Limited | Hereford | 2021 |
| 447 Properties Ltd | Luton | 2019 |
| 449 Fulham Palace Road 2007 Limited | London | 2007 |
| 44A Hereford Road Ltd | London | 2015 |
| 44BC Limited | London | 2023 |
| 44PROP Limited | Benfleet | 2025 |
| 45 & 45A Ridley Road Limited | London | 2001 |
| 45 & 45A ST Johns Villas Ltd | London | 2004 |
| 45 & 46 Bavent Road (Freehold) Limited | London | 2014 |
| 45 Addison Gardens Limited | London | 2019 |
| 45 Argyle Street (Freehold) Ltd | London | 2012 |
| 45 Ashdown Walk (Freehold) Limited | Ilford | 2011 |
| 45 Beaconsfield Road ST. Margaret`S Management Company Limited | Buxton | 2004 |
| 45 Beauchamp Road Limited | Sherborne | 2000 |
| 45 Braybon Avenue (Brighton) Limited | Hove | 2003 |
| 45 Brayburne Avenue Limited | London | 2007 |
| 45 Building Projects Ltd | Westbury | 2026 |
| 45 Canterbury Road Margate Limited | Margate | 2013 |
| 45 Carter Street Management Company Limited | London | 2010 |
| 45 CCS Ltd | London | 2018 |
| 45 Citadel Limited | London | 2019 |
| 45 Citadel Road Ltd | Salisbury | 2016 |
| 45 Crewys Road Property Limited | London | 2016 |
| 45 Cromwell Limited | London | 2017 |
| 45 Dolben Street Limited | London | 2011 |
| 45 Draycott Place Limited | Surrey | 2002 |
| 45 Eardley Crescent Limited | London | 2007 |
| 45 Esmond Road Limited | London | 1997 |
| 45 Evelyn Gardens Freehold Company Limited | London | 2015 |
| 45 Evoke LDN Limited | London | 2019 |