InDepth Investigations offer professional private investigation and surveillance in Perth, WA. We specialise in Personal, Family & Business Investigations
08 9371 0755



Choosing a private investigator can be a difficult process,

but at In Depth Investigations Pty Ltd we make the process

as comfortable and smooth as possible. We have a hard-working

commitment of a high ethical standard

and to conduct investigations in a discreet and honest manner.


At In Depth Investigations Pty Ltd we have experience

in all aspects of the investigations industry.

With a commitment to discretion, honesty and ethics, we are a leading Australian private detective agency providing a full range of investigation and surveillance services to a wide and varied customer base.


All investigations are conducted under the supervision of the director Bob Colton in a concise and professional manner within your guidelines. Our team of investigators are highly experienced in their respective fields, whether surveillance or factual, and pride themselves on their ability to provide a comprehensive service that is discreet and tailored to each client’s investigation needs. Confidentiality is paramount at In Depth Investigations Pty Ltd.


At In Depth Investigations Pty Ltd, we guarantee you receive the best possible investigation service, because:







Bob Colton is the Managing Director and Principal of In Depth Investigations Pty Ltd and is a highly experienced career investigator.


With 30 years as a member of the Western Australian Police Force, 24 years of them in the Criminal Investigations Branch he obtained the commissioned rank of Inspector.


He left in 2003 to pursue a career within the private investigations industry and since then has taken ownership as the principal of In Depth Investigations Pty Ltd.


He is highly skilled in all aspects of Criminal, Personal, Business and Corporate investigations and prides himself on overseeing every case managed by his company.


His personal commitment to this level of detail ensures every case completed by him or his staff is undertaken in accordance with In Depth Investigations Pty Ltd strict guidelines to ensure a successful outcome.


To contact Bob, click here.


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