Licensed & accredited detective agency · Ghent
Facts, not suspicions.
Grey Investigations builds evidence that stands up in court. Discreet, objective and strictly within the legal framework, for individuals, businesses and lawyers in East and West Flanders.
- Licensed by the FPS Interior
- 100% confidential
- Report with evidentiary value

LIVE · FIELD OBSERVATION
COÖRD. 51.0543° N · 3.7174° E
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Headquarters
Ghent
- licensed by the FPS Interior, IBZ 14.1839.09
- Licensed & accredited
- legally and ethically grounded
- 100%
- one dedicated contact, nothing leaves the file
- Confidential
- our permanent area, based in Ghent
- East & West Flanders
Who we work for
One investigation agency, three trusted partners
Every case starts with the same question: what do you want to know for sure? Then your situation determines the approach.
Individuals
Adultery, alimony, visitation arrangements, stalking or a missing person. Discreet evidence in the most personal cases, without anyone noticing.
DOSSIER · COMPANYBusinesses
Non-compete clause, internal theft, monitoring work performance and insurance fraud. We protect your company with facts, not suspicions.
DOSSIER · LEGAL PROFESSIONLawyers & bailiffs
A fruitful collaboration since the professionalization of the profession. We provide the findings that legally strengthen your case.

Investigations
Common cases
Do you recognize your situation? These are the questions we are most often approached with.
Adultery & divorce
Establishing infidelity, usable as evidence of irretrievable breakdown in divorce proceedings.
Alimony & maintenance
An undeclared side income or an unjustified claim of inability to pay? We investigate and prove it.
Visitation & children
Monitoring compliance with visitation rights and ensuring a safe environment for your children.
Non-compete clause
Gather legally valid evidence when an (ex-)employee shares trade secrets or competes unfairly.
Internal theft & fraud
In cases of systematic theft or fraud, we identify the perpetrator through targeted observation and collect evidence.
Missing & disappeared persons
Locating missing persons or lost and stolen property, within the legal framework.
Our method
In five steps to certainty
You know at all times where the investigation stands. No surprises, not even on the bill.
- 1
No-obligation intake
A confidential introductory meeting at a neutral location or at our office in Ghent. We listen and honestly assess if and how we can help.
- 2
Agreement & legitimate interest
In accordance with the law, we draw up an agreement and investigation assignment, with a precise description, your legitimate interest, our fee and estimated costs.
- 3
Investigation & observation
Observation, desk research or a combination, using inconspicuous vehicles, bicycle or motorcycle. Always strictly within the legal and ethical framework.
- 4
Interim updates
At agreed times and manner, we discreetly keep you informed of progress, so you can adjust if necessary.
- 5
Legally usable final report
You receive a detailed final report with findings and evidence, ready for use by your lawyer or in court.
Our strengths
Why choose Grey Investigations?
Discretion is the starting point. Evidentiary power is the goal.
Licensed & accredited
Licensed by the FPS Interior under license number 14.1839.09, in accordance with the law of 18 May 2024 on private investigation.
Experienced investigators
Our investigators work professionally, objectively and discreetly, with experience in both private and corporate investigations.
Legally valid final report
Quick, objective and detailed preparation of a legally valid final report that is well received by most judges.
Discreet & punctual
Very driven, discreet and punctual. One dedicated contact point and nothing leaves the case file.
Agile in the field
Observation with unmarked vehicles and rotating teams, depending on what the investigation requires.
Human
Our detective agency never loses sight of the human aspect. Even if you ultimately decide not to proceed.

Discreetly active in East and West Flanders
Based in Ghent, our investigators know the terrain of East and West Flanders inside out. Observations are carried out with inconspicuous vehicles and rotating teams, and we conduct investigations across the entire Belgian territory when the case requires it.
- Gent
- Brugge
- Kortrijk
- Oostende
- Aalst
- Sint-Niklaas
- Roeselare
- Knokke-Heist
- Dendermonde
- Lokeren
- Waregem
- Eeklo
- Oudenaarde
- Ieper
Explore our service area by province: private detective in East Flanders or private detective in West Flanders.
Frequently asked questions
What you want to know before you call us
- Is it legal to hire a private detective?
- Yes. Licensed detective agencies operate under the law of 18 May 2024 regulating private investigation and are licensed by the FPS Interior. We assess in advance whether your request has a legitimate interest.
- What does an investigation cost?
- The hourly rate is determined in advance and transparently, based on the assignment. Additional costs are discussed in advance, so you always receive a clear and detailed invoice.
- Does the final report have evidentiary value in court?
- Yes. The report of a licensed detective is well received by most judges and can heavily weigh in civil proceedings, for example in divorce, alimony or employment disputes.
- How discreet is the investigation?
- Completely discreet. The subject learns nothing, and nobody in your environment notices anything. You communicate with one dedicated contact, via the channel you prefer.
- How does establishing adultery work?
- We verify whether the suspicion is justified: where, when and with whom. You receive a report with all relevant evidence. The factual finding in non-publicly accessible places is carried out in consultation with you by a bailiff.
- Can I have a non-compete clause checked?
- Yes. When an employee or their company violates the non-compete clause, we help you gather legally valid evidence, if desired in consultation with your lawyer.
Request a no-obligation and confidential conversation
One conversation often clarifies a lot. No obligation, discreet and without strings attached.
Discreet intake
Tell us confidentially what is going on
Your request goes directly to an investigator, never to a call center.
