Counterintelligence, Digital Forensics, Global Intelligence and Risk Advisory

Founded 2004 · Australian Owned and Operated, with Locations Worldwide · Principal-Led by Navid Sobbi (LL.B, M.IntSec., M.Intell) · Court Recognised Expert Witness · Delivered In-House, Never Subcontracted · Serving Government, Defence, Law Enforcement, Legal and Corporate Clients.

NSI Global - About Us

About NSI Global

NSI Global is an Australian-owned counterintelligence, risk and intelligence advisory firm founded in 2004. Headquartered in Parramatta, Sydney, with offices in Double Bay, Melbourne, Canberra, Singapore, Dubai and London. We help government, defence, law enforcement, legal and corporate organisations manage their most sensitive risks.

Our specialists deliver counterintelligence and technical surveillance countermeasures (TSCM), digital forensics and incident response, geopolitical and travel intelligence, offensive cyber security, enhanced due diligence and litigation support. We find what others miss, and give decision-makers the intelligence to stay secure, compliant and ahead of risk.

Every engagement is led personally by our founder, Navid Sobbi — a credentialed practitioner across intelligence, counterintelligence, technical surveillance and digital forensics — and delivered in-house by our own specialists. Meet our founder.

We work across government, defence, legal, corporate, resources, infrastructure, and aviation sectors.

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One Practice, Across Every Discipline

Counterintelligence, technical surveillance, digital forensics, intelligence and risk advisory — under one roof, led personally by our founder and delivered in-house, never subcontracted.

Contact NSI Global.

1300 000 NSI (674)

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