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COTTMAN INVESTIGATIONS
Professional Investigation Experts

Welcome to Cottman Investigation Services (CIS), where integrity, discretion, and professionalism are our guiding principles. When you engage a private investigator, trust and confidentiality are essential, and at CIS, we handle every case with the highest level of care. With decades of combined expertise and cutting-edge investigative methods, we are committed to providing you with the answers you need.

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Robyn Cottman, our principal investigator, brings nearly a decade of experience from her time with the WA Police, where she worked across specialized units. Robyn, as a private investigator,  has handled several high-profile investigations, including the tragic murder of Stacey Thorne, the suspicious disappearances of six Indigenous men, and she also played a key role assisting Channel 7's *Spotlight* team on the Amy Wensley case. 

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At CIS, we also specialize in surveillance, boasting Australia’s top operatives—expert, highly trained professionals dedicated to uncovering the truth. Whether you're dealing with a cheating spouse, a suspect workers' compensation claim, or require legal evidence, our team is equipped to get you results.

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We’ve built a solid track record in a variety of cases, from background checks and fraud investigations to missing persons cases and surveillance. Using the latest technology and meticulous attention to detail, we provide reliable, actionable insights tailored to your specific situation—be it personal or corporate.

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At CIS, we value transparency and believe in cultivating strong relationships with our clients. With open communication and an unwavering commitment to truth, we stand beside you, helping navigate even the most complex challenges. Trust Cottman Investigation Services to be your partner in uncovering the answers you deserve.

Qualified 

Discreet 

Experienced

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Private Investigator Surveillance

Surveillance 

At CIS, we specialise in surveillance services. Our team has years of experience in covert surveillance for a wide range of cases. Whether you suspect infidelity, need to track someone, or gather evidence for a criminal/civil case, we have the skills and expertise to get the job done.

Infidelity, cheating spouse

Infidelity Investigations

 If you suspect your partner is cheating, our team can help. We use a variety of techniques to discreetly gather evidence of infidelity. Our team is experienced in handling sensitive cases and understands the importance of discretion. Contact us today to discuss your case.

Law

Criminal/Civil Law 

Our team has experience in providing evidence for a wide range of criminal/civil cases. We understand the importance of gathering accurate and reliable evidence to support your case. Contact us today to discuss your case and how we can help.

Corporate Investigations

Corporate Investigations

At Cottman Investigation Services, we offer a range of corporate investigation services. Whether you need to investigate internal theft, fraud, or other corporate misconduct, our team has the skills and expertise to get the job done.

Background Checks

Background Checks

We offer comprehensive background check services for individuals and businesses. Our team can provide you with the information you need to make informed decisions. Contact us today to discuss your needs.

Bug Sweeping

Bug Sweep

Our highly trained private investigators use the latest in technical sweep technology. We understand the importance of maintaining confidentiality in personal and corporate matters. We will ensure your privacy is protected. Whether you need a residential or commercial sweep, we have the expertise to give you the peace of mind you deserve.

Our News

Media About Our Cases

ABC Story on the Vanishing Males in the Northwest

Vanishing Males Case

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Up Late video with Ben Harvey - Stacey Thorne murder

Stacey Thorne Case

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6PR interview with Cottman Investigations

Vanishing Males Case

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private investigator

I hired Cottman Investigation Services to do some surveillance. They were professional, prompt, and got the job done well. I highly recommend their services.

surveillance

Cottman Investigation Services provided me with the evidence I needed to support my case in court. Their team was professional and easy to work with. I would definitely use their services again in the future.

How can we help?

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