business-meetingAustralian Investigators, Private Investigation Australia, Fraud Investigations, Surveillance Services, Perth, Sydney, Melbourne, Brisbane, Adelaide, Darwin, Canberra, Hobart – In Depth Investigations Australia.

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:

  • Our staff are highly experienced – ask to see our credentials, training and career background.
  • All investigations are personally overseen by the Directors.
  • All investigators and staff are mindful of confidentiality.
  • We are certified by the Western Australian Police and the director is a member of the Australian Institute of Professional Investigators.
  • All staff undergo regular training to ensure they are kept up to date on current requirements regarding state legislation and national privacy principles, as well as  with policy rules, regulations and all relevant statutory requirements.
  • We have hundreds of satisfied clients and if required can provide testimonies of our outstanding service and great results.
  • We offer investigation services that are affordable for individuals, businesses and corporate enterprises.

To see our full list of services, click here.


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.