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Private Investigations Sydney, Canberra, NSW, and International

Sydney, Canberra, NSW and ACT Wide, International

Do you have a suspicion that your partner is being unfaithful?
Has your child been displaying odd behaviour?
Are you unsure of the background of a person you have met?
Do you need to confirm the employment details of an ex-partner?

NSI Global Counter Intelligence is the Nation’s Largest and Longest Standing Counter Intelligence Advisory Firm and has been providing Private and Corporate Investigations for the past 2 decades. Our staff hold government level security clearances and has been entrusted to conduct sophisticated investigations for many of the world’s oldest and largest firms. As a result of years of ongoing success, NSI has established bases in Sydney, Canberra, Dubai and Hong Kong.

Our continued growth has resulted in economies of scale that allow NSI to provide competitive pricing while maintaining industry leading levels of service and unmatched success rates.

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What type of investigation do you require?
Personal InvestigationChild Custody DisputeCheating PartnerConfirmation of AddressConcerns for Safety and Welfare of family memberConcern you are being followed

How can NSI help you?

First and foremost, we listen to you. Our government licensed specialists will formulate a plan with you to achieve the best possible outcome for your case. We work with you throughout the entire investigation keeping you informed of every development.

In addition to Private Investigations, NSI specialises in Counter Intelligence. When engaging NSI, you can rest assured that you are receiving advice and guidance from specialists that operate several levels above any other typical Private Investigation firm in the nation.

NSI provides the following private investigations in Sydney and Canberra:

  • We gather evidence for litigation.
  • Private Investigations Sydney.
  • Locate missing persons.
  • Infidelity and Cheating Spouse Investigations.
  • Family Law and Child Custody Disputes Investigations.
  • Digital forensics and online harassment.
  • Surveillance Investigations Sydney.
  • Business, Merchandise and Employee Investigations.
  • Insurance, Injury and Public Liability Investigations.
  • Council and Environmental Compliance Investigations.
  • Background Checks and Pre-Dating Checks.
  • Locating Persons and Information.

Additionally, our experts specialise in the following areas and may offer one or more of these services to help your case:

  • Digital forensics – for the recovery of deleted data from a mobile phone.
  • TSCM bug sweeps – for the detection of hidden GPS tracking, listening devices, or hidden camera devices.
  • Background checks – to find out if the person is really who they say they are.


A Global Reach

Recently completed assignments have seen us carry out investigations, across Australia, in the United States, Middle East, Indonesia, Malaysia, Hong Kong, Mainland China, Thailand, South Africa, Germany, United Kingdom, and France. Dependant on your specific case you may require some of the more specialised services we offer our Corporate Clientele.

Our best in class process
  • Phase 1 – Secure Location Interviews
  • Phase 2 – Situational Mapping and Detailed Agent Debrief
  • Phase 3 – Investigation Commencement
  • Phase 4 – Situational Adaptation
  • Phase 5 – Evidence Timeline Compilation
  • Phase 6 – Comprehensive Investigation Report and Client Recommendations
  • Phase 7 – Expert Witness Testimony

Do not take the risk involving inexperienced and unsophisticated operators with your case. In many cases, more damage than good can be done.

We invite you to make an appointment for a confidential discussion at either of our secure, radio shielded facilities in Parramatta, or in the Canberra CBD.