A&B Associates: Foreign security assignments, surveillance and maritime security. Services and contact details. Dorset based.
Access Investigations: Corporate intelligence, background reports, litigation support, tracing services and surveillance. Services and contact details.
Alexander Legal Services: Providers of confidential services for surveillance, rent recovery and investigations in England.
Anglo European Private Detectives Ltd.: Private investigation firm based in Leeds.
Argyll Investigations: Private investigator based in Scotland.
Baker & Co.: West Midlands, UK company with legal, commercial, industrial, finance and public services.
Bastille Security Services: Offering investigation, surveillance, staff training and advisory. Includes information on the services offered. Norfolk.
British Agents: Private investigator services for mainland Britain.
Burton Regan: Offers tracing, status enquiries, surveillance, statement taking and repossessions. West Yorkshire, England.
Corporate Investigation Service, Ltd.: Private detective and security services.
Fintecs Investigation: Liverpool based fraud and surveillance firm working for insurance companies, corporate,legal and private clients.
Global Intelligence Services: Insurance fraud investigation, asset tracing, and strategic business intelligence. Based in Kent.
Grenadier Investigation Services: Private detectives with offices in Derby and Nottingham.
International Intelligence Ltd: Suppliers of covert surveillance, financial investigations and due diligence.
John F. Hope & Co.: Private investigators with offices in Worcestershire and Birmingham.
Kenyon Investigation Services: Business, legal, fraud, employment and vehicle investigations, plus surveillance services. Includes services and profile.
LRI Research Ltd: London based investigative firm.
MC Eden & Associates: Service to the legal and insurance professions, and to commercial clients.
Pegasus Investigations: Private and commercial investigation.
Peter Reay Security Consultants & Special Investigations Limited: Full service investigative agency based in Richmond.
Richard Day & Wilson: Corporate and commercial investigators, surveillance and undercover operations.
Ruthven & Co: Chartered accountants and certified fraud investigators in financial investigations. Includes an overview of the company and a list of services offered.
SIASS: Security, surveillance, investigations and legal support. London and Newcastle offices.
SIP Services International: Tracing, surveillance, de-bugging and close protection. Describes services and includes contact details. London based.
Southern Investigations: Offers surveillance, tracing of missing persons and video/photographic evidence for matrimonial and insurance fraud.
TAS Legal Services: Private investigations, process serving and debt recovery. Hertfordshire.
Thames Associates: Specialises in the commercial financial and industrial sectors. Describes its services and includes case studies. Based in Blackheath, .
Tracetech: Tracing, process serving and personnel screening. Cambridge based.