Unique expertise because of a background in Dutch intelligence services

The course is tailored to the professional context, level of expertise, and requirements of participants

Instructors with relevant operational experience

TGA is CRKBO and NRTO registered


Triangular Group Academy (TGA) offers a professional observation course that covers the required theory and works with a number of practical scenarios. In addition, the course includes a very challenging final scenario to really challenge particpants.

A number of principles that are essential for efficient and generally secretive observation, such as appropriate decision-making, preparation, the use of alibis, covers, and non-police behavior are extensively dealt with. Reconnaissance, (counter-) surveillance versus (counter-) observation, and observation technology are also a core of the course.

During the real-life practical and final scenarios, all acquired knowledge and skills are tested and continuously evaluated by seasoned instructors who have earned their spurs with the Dutch intelligence services.

The course offers both an excellent domestic and foreign module in, for example, Estonia.



TGA's instructors have ample operational experience with Dutch intelligence services and special police units. During the course, practical experiences are shared with participants. The instructors tailor the training to the professional context of participants.



Depending on budget and the requirements of participants, the TGA Observation Course can be tailor-made. Please contact us if you are interested and we will elaborate on the possibilities or draw up a quotation.

In the Observation Training Course, tactics and techniques are taught of which the application may be sensitive. TGA will only transfer the knowledge to persons and companies that have been pre-screened by TGA. Anyone wishing to participate in the course must be in possession of a Certificate of Good Conduct (VOG) and must further participate in a telephone screening interview and background study. If the outcome is positive, you can be registered for the relevant study program.

Observation Course

  • Secretly observe
  • Preparation
  • Alibis and covers
  • Non-police behavior
  • Explorations
  • (Counter-) Surveillance
  • (Counter-) Observation
  • Technic
  • Practical exercises
  • Final scenarios

Good intelligence is the key to decision making

Arno Reuser

OSINT Authority, Teacher

Our instructors are internally supervised in terms of content and didactics. This gives them the knowledge and skills required for training at the highest level.

Tim Müller

Operational manager

The goal of our courses is to truly prepare students for reality. That is why I strive to provide the highest possible quality education.

Rob Smets

Product manager

Our clients say

''Wow! Top training, really puts your mind to work.''

Cursist, OSINT Pathfinder Course

"This course has made me realise how amateur my research methods have been. I wish I had this training 4 years ago! This has been the most practical/applicable training I have received so far."

Cursist, OSINT Pathfinder Course

"The instructors of TGA are professional and experienced. TGA's TECC-LEO training has contributed to our operational knowledge and has taken us as a group to a more professional level."

Teamleader, Student TECC-LEO course

"This should be a mandatory training for everyone who conducts internet-based research."

Cursist, OSINT Master Course

"This course has been the most relevant to my day-to-day job that I have ever attended. I will use what I have learnt on a daily basis. I would definitely recomment this course to others!"

Cursist, OSINT Pathfinder Course

"I very much enjoyed the course. The teacher was excellent! A very good instructor."

Cursist, OSINT Scout Course

"The result of my Counter Surveillance Course is that the teacher has removed my uncertainties and has given both tips and tools to deliver good quality work both independently and in a team context."

Private researcher (POB), anonymous


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