• A S A Austin Security Agency
  57 Furze Lane, GODALMING, Surrey, GU7 3NP
• Answers Investigation
  Unit 1 Old Clock Barn Farm, Hambledon Road, Busbridge, GODALMING, Surrey, GU8 4AY
• Apollo Investigations
  Mellow End, Martyrs Lane, WOKING, Surrey, GU21 5NJ
• Detectives
  The Kiln, Penn Croft, Crondall, FARNHAM, Surrey, GU10 5PX
• Detectives
  Regus House, 3000 Hillswood Drive, CHERTSEY, Surrey, KT16 0RS
• Eurotec
  Runnymede Malthouse, Runnemede Road, EGHAM, Surrey, TW20 9BD
• Gumbrechts
  71 Upper Weybourne Lane, FARNHAM, Surrey, GU9 9DF
• London House Services (Thames Valley) Ltd
  Mortimer House, 49 Church Street, Theale, READING, Berkshire, RG7 5BX
• Robert W Brown & Co
  11 Monument Green, WEYBRIDGE, Surrey, KT13 8QS
• Southern Law Services
  1 Preston Road, READING, Berkshire, RG2 0BE
• Talbot Investigation Services
  Sulhamstead Hill, Sulhamstead, READING, Berkshire, RG7 4DG