Professional investigative services for insurers, law firms, corporates, and private clients.

Serving clients across New Zealand and around the world.

Our Services

GTI specialises in providing professional investigative services tailored to the needs of insurers, law firms, and corporate clients.

To learn more about our background, international networks and technology capabilities, please contact us for approved access.

  • Insurance Investigations

    Comprehensive claims investigations including surveillance, interviews, and detailed reporting for insurance providers.

  • Corporate Investigations

    Due diligence, background checks, and corporate intelligence services to support informed business decisions.

  • Fraud Investigations

    Fraud detection and investigation services to identify, document, and support action on misleading activities and claims.

  • Legal Support

    Evidence gathering, witness statements, and litigation support for law firms and legal professionals.

  • Surveillance

    Professional surveillance services conducted with discretion and adherence to legal requirements.

  • Tracing

    GTI locates hard-to-find individuals using proven skip-tracing methods, strong data sources, and focused investigative work.

Who we assist

Whether you're an insurer needing claim verification, a law firm requiring evidence gathering, or a corporate entity conducting due diligence, GTI delivers professional investigative solutions tailored to your specific requirements.

Our team of licensed investigators brings decades of combined experience across insurance fraud, corporate investigations, and legal support services.

We understand the critical nature of your cases and deliver evidence that stands up to scrutiny.

The GTI Advantage

GTI specialises in insurance claim investigations, delivering fast, defensible findings that support accurate claim decisions and reduce fraud exposure.

We manage all aspects of the investigative process, including claimant interviews, document verification, liaison with police and government agencies, and international enquiries through trusted global partners.

Why Insurers Choose GTI

  • Licensed and insured investigators across New Zealand

  • Court-admissible evidence and defensible reporting

  • 24/7 availability for urgent matters

  • Rapid deployment nationwide and internationally

  • Global investigative reach for travel and cross-border claims

  • Tailored investigation strategies for routine and complex matters

  • Enhanced compliance and risk mitigation, ensuring claims meet legal and policy standards.

Trusted

Licensed investigators with proven track records across New Zealand

Expertise

Specialised in insurance, corporate, and legal investigations

Discreet

Confidential service with complete discretion guaranteed

Results

Evidence-based outcomes that stand up in court