A lot of businessmen often turn at the Detective Agency "First Ukrainian Bureau of Investigation". Theysuspect that they were being monitored by competitors. Counter-surveillance - is a complex set of activities aimed at the detection of covert surveillance of the customer. Detection of surveillance involves close interaction between the customer and a team of counter-surveillance, implementation of pre-agreed action scenarios and the use of the customer on the route of the customer's point of guaranteed checks followed. The cost of one day of counter-surveillance (8 hours of continuous operation) - $300. As a result of counter-surveillance team the customer receives a detailed report on the activities carried out with photos and videos.