Investigations

Home > Services > Investigations

World-Class Private Investigators and Corporate Investigators

With more than two decades of investigative expertise, NSI Global has assisted corporations, law firms, and private clients in uncovering the truth. Our investigative services deliver reliable evidence and intelligence, enabling clients to resolve disputes and mitigate risks effectively.

We offer a comprehensive range of investigative services to uncover the truth behind fraud, misconduct, disputes, and other complex matters in both corporate and personal contexts. Our investigators utilize methods such as surveillance, field interviews, background research, digital forensics, and more to gather the evidence you need. Whether it’s a case of insurance fraud, workers’ compensation abuse, corporate theft, due diligence on a potential partner, or a sensitive private matter – we have the expertise to handle it with discretion and rigor.

Our Process

Every investigation begins with a consultation to understand your goals and design a bespoke plan. Our licensed specialists then coordinate the strategy with on‑the‑ground activities, keeping you informed and adjusting tactics as new information emerges. Investigations proceed in phases — from initial evidence collection to analysis and reporting — and timelines vary from quick enquiries to long‑term engagements, with many clients retaining us to manage ongoing risk.

Holistic Support

Investigations often expose broader weaknesses, so we pull in our Risk Advisory team to strengthen your security posture, our TSCM specialists to sweep for covert surveillance, our Digital Forensics experts to handle incident response and data recovery, and our cyber security specialists to investigate cyber crimes. This integrated approach ensures NSI Global not only uncovers the truth but also helps you prevent and recover from future threats.

Who We Serve

  • Private Individuals
  • C-Suite Executives
  • Multinational Corporations
  • Financial Institutions
  • Law Firms
  • Family Offices
  • Investment Banks
  • Insurance Companies
  • Venture Capital
  • Pharmaceutical

Across these varied industries, NSI Global is known for our extensive experience and global reach, capable of handling the most challenging and complex investigations that others cannot.

Investigative Services

Private Investigations

Discreet investigative services for individuals and private matters. Our private investigators in Sydney and Canberra are adept at handling cases such as family law disputes, child custody investigations, infidelity suspicions, and missing persons. We work for individuals, families, or legal counsel to uncover facts and gather admissible evidence.
Learn More

Corporate Investigators

Our Corporate Investigation Unit offers expert investigative services tailored to the complex needs of businesses in Sydney and Canberra. Specialising in areas such as corporate fraud, internal misconduct, due diligence, asset tracing, and intellectual property, our team provides solutions that empower organisations to make informed decisions and mitigate risks effectively.
Learn More

Corporate Fraud and Financial Investigations

We have a strong track record of uncovering fraud schemes – from financial statement frauds to procurement fraud – and providing evidence and expert testimony that industry leaders have used to prove wrongdoing. If your company suspects fraud, we can investigate thoroughly and discreetly, preserving evidence for any legal actions.
Learn More

Workers' Compensation Investigations

We are a trusted partner to workers’ comp insurers, self-insured companies, and law firms in verifying claims. Our team includes case managers with legal qualifications, seasoned surveillance operatives, and field investigators We gather evidence on claimants’ activities to confirm the legitimacy of injury or disability claims, helping clients reduce fraudulent payouts and uphold fairness.
Learn More

Insurance Claim Investigations

We assist insurance providers in investigating suspicious or large claims to ensure decisions (acceptance, denial, or adjustment) are based on facts. Operating across NSW, the ACT, and internationally, our private detectives verify claims related to accidents, theft, liability, and more. By uncovering false claims or exaggerations, we help insurers save costs and deter fraud.
Learn More

Licensed and Insured Investigators

All our investigators are fully licensed, insured, and trained to NSI’s high standards of covert operations. We maintain strict compliance with legal regulations and evidence handling rules, so any information we collect can stand up in court.

Through years of innovation in both in-person and online investigative techniques, NSI Global has developed proprietary processes and methodologies to collect, document, and present evidence effectively. This includes leveraging our own digital forensics capabilities, such as our forensic data recovery service, to support investigations with technical evidence when needed.

Proven Results

NSI Global’s investigators are not only skilled in fact-finding but also in delivering results that matter. The evidence and intelligence we provide have helped clients win legal cases, recover assets, prevent losses, and secure justice. We pride ourselves on professionalism, discretion, and tenacity in every investigation. When you work with NSI, you gain a partner committed to uncovering the truth and safeguarding your interests.

Learn More About NSI Global's Best In Class Process

Uncover the Truth with Trusted Investigation Specialists

Uncover the truth with NSI Global’s trusted investigative team, delivering court-ready evidence for corporate and private matters. Contact us to discuss your investigative needs – we can meet in our secure, shielded office for a confidential consultation. This location is under 24 hour surveillance and has been fortified against bugging technology to ensure your privacy.

NSI Global will not interfere nor accept any job or assignment for a client that is the subject of any law enforcement investigation.

1300 000 NSI (674)

Contact Us to Uncover the Truth


Secure your peace of mind