Our firm has exceptional customer service and licensed, ethical and professional investigators, who always put our clients first.


Our Services
NSI Corporate Private Investigators provide solutions and support for corporate, high net worth individuals and government client's in the fields of security consulting, private investigators and technical surveillance counter measures (Bug Sweeps/Detection). Our services include:
- Private Investigators in Sydney
- Bug Sweeps Sydney
- Corporate Investigators
- Fraud Control and Management
- CCTV Surveillance Systems
- Workers' Compensation Investigations
- Background Checks
- Pre-Employment Screening
- Mercantile Services
- Missing Persons Investigations
- Mobile Phone Forensics
- Bug Sweeps in Sydney


Our Location
Our office is located in the Sydney CBD on Market Street, close to QVB and Darling Harbour. All our agents and specialists operate throughout the Sydney Metro area, including Chatswood, Parramatta, Blacktown, Liverpool and throughout NSW and Australia, delivering services to businesses and individuals who want total discretion and confidentiality.
We also have an international reach, with affiliates in Europe, the Middle East, South East Asia and the USA. We are able to arrange surveillance teams anywhere in the world within 36 hours with our strategic offices in Europe and Australia.


Our Promise
All our private investigators are government licensed and have extensive experience and are well trained in all types of surveillance operations.
Our dedication to precision within our investigations; integrity of our reporting procedures; and our honesty is paramount and our actions must return the highest credit to our clients. You, our clients, can be rest assured that we will treat your matter with absolute discretion and listen to your needs and advise you on the best course of action.
![]()
Read more
