Most Trusted Private Investigators In Brisbane

We, at OJT Investigations Group, are committed to offering professional, efficient, and foolproof investigation services in a legal, confidential and cost-efficient manner. Our highly-skilled team of private investigators is equipped to crack even the most baffling of cases in the required timeline and within the regulatory framework. Our forte lies in using high-end technologies and professional expertise to dig out the evidence in a discreet manner to assist our clients in a variety of personal, business and legal matters.
- Fully Insured
- Progressive and Authentic Investigation
- Peerless Professionalism
- Complete Surveillance
- Fully-Confidential
- 100% Discreet Solutions
- 99% Success Rate Reports
- Accurate Evidence Guaranteed
- No Find, No Fee
- Experienced and Professional Private Detectives
- 24/7 Service
- Free Private Consultation
Finest Private Investigators & Detectives In Brisbane!

Our team of experienced and proficient investigators are adept at carefully gathering, storing and presenting evidence which is perfect for any legal, personal, or corporate forum to validate or reject any allegation. We offer a wide range of comprehensive services including missing person search, background checks, criminal defence, bug sweeping, information security investigations and much more.
Our Expertise. Our Team. Our Strength

Under the expert guidance of Oliver Laurence, founder and director of OJT Investigations Group, the agency has built a credible reputation in the domestic and commercial markets of Brisbane, Queensland. OJT’s private investigators are known for conducting a fair, reliable, confidential and progressive investigation in a variety of matters. The company boasts of a network of talented professionals who have spent decades in decoding puzzling mysteries and have resolved thousands of social and legal cases for clients. Our team is our strength, and we take immense pride in its talent and accomplishments!
- Former Detectives
- Research Analysts
- Computer Forensic Experts
- Former Uniformed Police Officers
- Crisis Management Experts
Our Investigation Services

Our team of private investigators in Brisbane strives to offer a broad range of investigation services leveraging modern technologies, top-notch surveillance equipment, and unbeatable prowess. Our solutions include:

Surveillance
We provide confidential and affordable surveillance and aerial operations using cutting-edge drone technology and high-tech techniques. Our impeccable investigation process and discretion in collection of the evidence helps clients to get out of any adverse situation without any hassles.
Read More
Elder Abuse
At OJT Investigations Group, we work with utmost integrity and respect to assist ageing people who are the victims of elder abuse. We make sure that they get the fastest justice using a well-driven investigative approach and a thorough search guarantee. We leave no stone unturned in identifying the suspect and collecting evidence to support the legal matter.
Read More
Counterfeit & IP
Our top-notch counterfeit and IP theft investigation involves scrutiny of online shopping sites and buying of goods from physical stores across Brisbane that helps in finding solid proofs. We ensure that businesses do not lose money through the sale of counterfeit products or intellectual property rights infringement through our unparalleled research and inquiry.
Read More
Criminal Defence
We, at OJT Investigations Group, aim at assisting those who are charged with false allegations. We search for the answers that help our clients get discharged from their conviction or allow them to undertake a fair trial.
Read More
Infidelity Investigations
Is your partner having an extramarital affair? Do you want to find out the truth? Contact our private investigators in Brisbane. We conduct strictly confidential, reliable, and discreet infidelity investigation to provide relevant proof and irrefutable evidence.
Read More
Missing Person Specialists
If someone in your family is missing, you must immediately contact OJT Investigations Group. We are Brisbane’s most trusted private investigation company that specialises in discovering missing persons with a 99% success rate guarantee.
Read More
Statement Takings
Being one of the most trusted investigation agencies in Brisbane, we provide unmatched service in recording statements of witnesses in accidents, theft incidents, or people assisting in the investigation process. We are dedicated to finding the truth for our clients.
Read More
Security Services
Experience the unobtrusive and discreet security services with us. We possess a highly-experienced team of private investigators, bodyguards and security specialists to protect your family, and high-value goods from threats using world-class technologies.
Read More
Background Checks
We take pride in our team of detectives and private investigators who conduct fast, reliable and detailed background checks to put you in the driver’s seat and help you make the right decision. We assist our clients in finding the real identity of a person by uncovering the truth. Call us now for comprehensive background check services.
Read MoreWe are proud members of world’s most recognised private investigator bodies!
Other Bespoke Services

OJT Investigations Group offers thorough and discreet investigation services related to diverse legal, domestic and commercial matters that need to be resolved as soon as possible.
Opt for Our 100% Confidential and Discreet Private Investigation Services in Brisbane
Fill the details in the form and get in touch with one of our experienced private detectives today. We have excellent and in-depth knowledge about surveillance and ethical investigation methods and can help you find the answers that you are desperately seeking. We will do our best to get the job done.