Undercover Operations 


Professional Witness





















Crawford Investigations


Crawford Investigations was established in 1991 when the principal David Crawford left Durham Constabulary after 13 years service. 


We take pride in achieving our clients expectations and advise them of suitable strategies to fit their needs and budget.


Crawford Investigations have an impressive stock of surveillance equipment that can be used in countless applications & environments. Our itinerary includes: video and audio recording options; 'in car' systems; encrypted radios and GPS tracking devices.


We ensure operatives are up to date with Data Protection, the Human Rights Act and other related legislation so that all investigations are carried out in a compliant & ethical manner.


David Crawford has been a member of the Association of British Investigators (A.B.I.) since 1995 and has been the Associations Awards Chairman since 2016. 


The A.B.I. are the only investigative trade association that works with the Law Societies of England and Wales and the Law Society of Scotland.


Click on this link for more information as published on the Law Society website: 


Please enjoy the A.B.I.'s promotional video:




Crawford Investigations hold a current Professional Liability Insurance policy.


Our Data Protection notification no. is: Z4689987.