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Private Investigator

About CIS

Cottman Investigation Services is a private investigation firm based in Perth, Western Australia. Our team is composed of highly qualified and experienced investigators who specialize in all types of investigations, including surveillance, infidelity, criminal, civil, family law, and corporate cases. We are dedicated to providing our clients with accurate and reliable information they can use to make informed decisions.

Our principal, Robyn Cottman, is a former Western Australian Police Officer and now fully licensed Private Investigator.  Most of her policing career was centred in investigations, covert and intelligence areas.  In 2010, Robyn was nominated for Police Officer of the Year and Australian of the Year due to her service to the WA community.   With a strong background in criminal law, Robyn is focused on finding the facts.  Robyn is now WA's leading private investigator

CIS has assembled a team of professionals who share  commitment to excellence and are passionate about helping clients get the answers they need.  Robyn manages every case personally and her team of operatives have decades of police experience, training and are experts in areas including surveillance, undercover and covert work, intelligence gathering and more.


The team at CIS are professional, caring and affordable. They understand every case is different and left no stone unturned. Thank you again for your help


Thank you for an excellent professional job.

Company X

Great expert service.  A pleasure to work with.  Highly recommend.

Qualifications & Experience


Fully Licensed Investigation Agent

The manager of Cottman Investigation Services – Robyn Cottman is a former Western Australian Police Officer and now fully licensed Private Investigator and Inquiry Agent.


Inquiry Agent Licence IA59573

Investigation Licence IN59534

ABN 89478601561



  •  Cert III Investigation Services

  • Covert Policing Course

  • Intelligence Essential Course

  • Sex Assault Investigations Course

  • Bachelor Psychology

  • Grad Diploma of Counselling


Quality Confidential Service

  • Highly skilled with extensive investigation and intelligence gathering experience.

  • Focused on providing a high-quality confidential service.

  • Discreet & confidential.

  • Results focused.

  • Discreet and compassionate.

Contact us now

Call or email for a free confidential chat to see how we may be able to assist you with your case.

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