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Housing fraud

Know what's going on behind the façade.

Is your property illegally underleased? Are illegal things happening in your premises?

There is a large shortage of housing and subletting is a big problem. In this way, others never get a fair chance at a property and often have to wait years for a property to be available.

Do you have a suspicion of housing fraud? Driven and using high-quality technology, PSG has been solving housing fraud files for real estate and housing cooperatives throughout the Netherlands for many years. PSG makes the difference!

Housing fraud

Housing fraud means all forms of unlawful habitation, unlawful reletting, unlawful use and over-residence of a property which is not authorised by the owner. It is actually a form of deceit; the reality is different than is suggested on paper or digitally.

Fact research

If there is indication of housing fraud, our specialists gather evidence that can serve as pieces of conviction during the hearing. A diversity of detection methods are available, with proportionality constantly being weighed.

The detection methods used by PSG Recherche:

  • Desk research; open and closed sources
  • Dynamic observation; tracking object/data subject
  • Static observation; surreptitious video recordings rental or residence address.
  • Interviews; including neighbourhood investigations, witnesses, persons concerned

Video analysis software

PSG Recherche uses state-of-the-art video analysis software, which allows us to filter the images obtained by artificial intelligence for relevance and thus creates exponential value. This makes the use of a covert camera for a longer duration not only extremely effective, but also defensible with a view to privacy.


The report is the final product of the investigation. The report contains a clear summary and informed conclusion. Of course, the findings of our specialists are also part of this report and obtained supporting documents are made available to the client.

(Privacy) legislation

In order to determine whether there is housing fraud, PSG conducts targeted investigations into individuals and processes personal data and material that can serve as evidence in legal proceedings. Under European privacy law, we are bound by legal obligations regarding the way in which this data is processed and security.

The main rules for the handling of personal data in the Netherlands are laid down in the General Data Protection Regulation (GDPR). In addition, PSG acts within the applicable and approved standards by the Dutch Data Protection Authority (AP) with regard to the ‘Privacy Code of Conduct sector private research agencies’ of the Dutch Safety Industry (NVB).

PSG’s forensic investigators have years of experience in defence, police, Interpol and special investigation services. They are all in possession of a permit granted by the Ministry of Justice and Security for private investigation. In addition, they obtained globally recognized certifications, including:

  • Certified Information Systems Security Professional (CISSP)
  • Certified Information Security Manager (CISM)
  • Certified Computer Examiner (CCE)
  • Encase Certified Examiner (EnCE)
  • Certified Fraud Examiner (CFE)
  • Certified Ethical Hacker (CEH)

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