- Ah Diamond & Sons
- 020 74043996 - 42 Theobalds Rd, London Central, WC1X 8NW
- Loftus Family Property
- 0870 8147739 - Asher Ho Blackburn Rd, London, NW6 1RZ
- Loftus Family Property
- 020 74863352 - 1 Kendall Place, London, W1U 7JL
- MDL Property Services
- 020 85255598 - Unit 1 Tilia Rd, London East, E5 8JB
- Minotaur Construction
- 020 77003001 - 373 Caledonian Rd, London North, N7 9DQ
- Tradition Family Property
- 020 79371872 - London, W8 5BS
- Westminster Property Service
- 0870 7565973 - 6 Kilburn Bridge, London, NW6 6HT
- Exchange Property Services
- 020 85531444 - 141 Cranbrook Road, Ilford, Essex, IG1 4PU
- I G Finance & Property Services
- 020 89119383 - 129 Ilford Lane, Ilford, Essex, IG1 2RN
- Kelly Corporation
- 01708 453232 - 34 Roneo Cnr, Hornchurch, Essex, RM12 4TN
- Kings
- 01992 892967 - 60 North Street, Nazeing, Waltham Abbey, Essex, EN9 2NW
- Kwikseal Waterproofing
- 01708 348921 - 114 Shepherds Hl, Romford, Essex, RM3 0NJ
- Lantern Property Services
- 01708 379797 - 34a The Mount, Romford, Essex, RM3 7LJ
- Nationwide Property Maintenance
- 020 85923901 - 46 Downing Road, Dagenham, Essex, RM9 6NP
- Pass
- 020 85940020 - 38 Wilmington Gardens, Barking, Essex, IG11 9TP
- Spencers
- 020 85185411 - 211 Cranbrook Road, Ilford, Essex, IG1 4TD
- Cedar Care
- 020 88649624 - 129 Greenford Road, Harrow, Middlesex, HA1 3QN
- City West Property Services
- 020 88141110 - 343 Bath Road, Hounslow, Middlesex, TW3 3DH
- Colin Dean Property Services
- 020 84225511 - Roxeth Ho Shaftesbury Av, S Harrow, HA2 0NX
- D & D
- 020 87952599 - 18 Wembley Park Drive, Wembley, Middlesex, HA9 8HA
- Daniel Family Homes
- 020 88421100 - 445 Victoria Road, Ruislip, Middlesex, HA4 0EG
- Mitie Property Services
- 01895 206850 - Mitie Ho Eskdale Rd, Uxbridge, Middlesex, UB8 2RT
- Ridditt
- 01895 254144 - 21 Tachbrook Road, Uxbridge, Middlesex, UB8 2QS
- Ryder Property Services
- 01895 443164 - 85 Mill Road, West Drayton, Middlesex, UB7 7EH
- St. James Homes Ltd
- 020 87832500 - 209-217 High Street, Hampton Hill, Hampton, Middlesex, TW12 1NP
- Drewery Property Services
- 020 83006761 - 128 Station Road, Sidcup, Kent, DA15 7AB
- Attburn Property Services
- 020 89496346 - 152-178 Kingspark Bsns Cntr, New Malden, KT3 3ST
- Bradholme Property Services
- 020 89793333 - Riverside Ho Feltham Av, East Molesey, Surrey, KT8 9BJ
- Epsom Accounting Ltd
- 01372 749770 - 93 High Street, Epsom, Surrey, KT19 8DR
- Browns Property Services North Cheam
- 020 83307888 - Worcester Park, Surrey, KT4 8RW
- Pass & Co
- 020 86692479 - 126 High Street, Carshalton, Surrey, SM5 3AE
- Timkon (Holdings) Ltd
- 020 86439311 - 11 Langley Park Road, Sutton, Surrey, SM1 4TB
- Top Notch Timber Preservations
- 020 82404461 - 22 South End, Croydon, Surrey, CR0 1DN
- Unique Construction Services
- 07976 236613 - 31 Montague Road, London, London, W7 3PG
- DHG Building Services
- 020 87412399 - 344 King Street Hammersmith, London, W6 0RX