Group One Investigations

At Group One Investigations, we pride ourselves on being Melbourne's premier investigative services agency, excelling in the field of private intelligence and surveillance for over twenty years. Our team of experienced private investigators provides discreet professionalism in all aspects of corporate and domestic surveillance. We understand the importance of accessing the truth, and our experts have mastered their craft to uncover vital information.

Our Services

Our comprehensive range of services includes corporate and private surveillance, cheating partner or spouse investigations, locate a person or debtor, background checks, counter surveillance and bug detection, fraud and corruption investigation services, data recovery and forensic services, and global intelligence services. Our agency focuses on delivering cost-effective solutions in a timely manner, ensuring that our clients' interests are protected and giving them peace of mind.

Our Expertise

Our team of experts has extensive experience in surveillance, locating missing persons, intellectual property investigation, and more. We offer surveillance, activity reports, undercover operations, investigating extra-marital infidelity, assisting in the safety of teenagers, polygraph testing, email tracing, and internet-based investigations. Our agency is licensed by the Australian Government, ensuring that every information gathering technique we employ is legal, and our relationship with our clients is maintained under strict confidentiality.

Our Approach

We are judgment-free and objective in our aims, and our private investigators will pursue every avenue and won't give up until every option has been exhausted. We understand that every case is unique, and our investigation will be tailored according to our clients' needs. We exercise the utmost care and confidentiality across all sectors of our work, aiming to deliver cost-effective private investigation while utilizing only legal means of obtaining the desired knowledge.

Our Team

Our team is comprised of experienced professionals, including a director with twenty years of experience in the industry, contractors with the same level of experience, an in-house lawyer, IT specialist, former AFP agent, researcher, qualified polygraph examiner, and debugging technician. Our team is equipped with state-of-the-art debugging equipment, and we have a specialist phone examiner and equipment to conduct phone examinations.