Let us find out the truth... Let us find out the truth... Best equipment to keep cover... ... we have the know-how and the best equipment! Best equipment to keep cover... Best equipment to keep cover... Best equipment to keep cover... Best equipment to keep cover... Best equipment to keep cover... Best equipment to keep cover... Best equipment to keep cover... Best equipment to keep cover...

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Corporate Clients


We are a professional detective and investigation agency, acting on behalf of small and well-known German and international businesses. Corporate Clients


We have the capabilities to offer our customers a professional service which is beyond their expectations. We are in the position to offer our commercial and corporate customers a very good investigation service.



Services we offer:

  • criminal investigations
  • investigation of stock deviations
  • investigation of suspected criminal damage
  • suspiction of sabotage
  • investigation in case of deception
  • proving counterfeit intellectual property rights violations
  • personnel support services, vetting, discipline
  • insurance investigations for example: road traffic / industrial / public
  • motor vehicle theft and accident enquiries and investigations
  • travel, insurance & holiday claims
  • commercial and industrial surveillance
  • personal injury, accidents at work & medical claims enquiries
  • investigations in case of fraudulent
  • tracking stolen vehicles
  • surveillance and undercover agents (in house)
  • debt and debtor tracking
  • company background and credit checks
  • investigations in case of fraud - retail and corporate trade losses
  • internal thefts

... and even more

Our service can help to reduce your company's losses and significantly increase profits.

Corporate Clients

If you suspect your field staff falsifying their diaries, having unusual long absence periods, if your stock levels became mysteriously lower and in many more cases contact us to find out the truth.

The full investigation reports and document sets we produce are compiled in a way that our clients can submit these directly to the courts or to the tribunals in case they want to do so.

We provide a wide range of very competitively priced services that are specifically structured not only to provide you with answers but more importantly to save your money.


Private investigator

If you are looking for an investigator whom you can trust and who will be in the position to give you the answers you are looking for, then you need to talk to us, because we are here to help you out with your sensitive problem.
We have the experience and the knowledge to resolve your private or business problem.
Contact us now!

Equipment & Connections

We operate wherever our clients need us. Since we started in this sensitive business for our private and business clients, we achieved very high results, using our high quality equipment, our experience and our network. The clients we worked for hired us for their individual needs and they all have been satisfied with our investigations.
Every case is different, let us talk about yours...

Contact Us

a website of the Detective Agency Tonn
Silostrasse 14
Germany - 14770 Brandenburg an der Havel

Phone:+49 3381 309890
Fax:+49 3381 795071

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