Best Private Detectives & Investigator Melbourne | Corporate Investigators Melbourne

Providing Melbourne Private Investigator Services to both Corporate & Domestic clients in Australia & overseas

The Most Trusted Melbourne Private Detectives and Investigators

Are you looking for a reliable private investigator in Melbourne? Information is power and often people aren’t completely truthful about their background or activities, making it necessary sometimes to get an edge by calling in the professionals who can reveal the truth about a person, organisation, or situation.

Group One Investigations provides individuals and businesses throughout Melbourne with reliable and accurate detective services. We are results driven, meaning our clients’ satisfaction is paramount to ensure we are the best


Cost effective Melbourne private detective services for a wide range of situations

Each private investigator in our team has a minimum of fifteen years’ industry experience, working with both corporate and domestic clients. This high level of experience gives us the expertise to offer solutions for a diverse variety of requirements in investigations across

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Our specialist Melbourne Investigations include but are not limited to the following:

  • Surveillance
  • Activity reports
  • Undercover operations
  • Polygraph testing
  • Email tracing and internet based investigations

These include polygraph tests, fraud, missing person searches, employee theft and background checks, and many more vital services. Understanding the complete background of a potential client or employee is important in protecting your business investment and gaining peace-of-mind.

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