Our Story

Oracle Investigation Services – OIS Global are known for their reliability, integrity, quality and exemplary service. Our unrivalled commitment to quality is based on the clarity and timeliness of our communication and our dedication to work in partnership with our clients. Our rigorous systems and processes ensure quality along with the expertise to conduct all required investigations. Our goal is to be your first choice for investigation solutions.

If you are in need of a private investigator, ensure you choose a skilled, licensed and experienced representative to avoid any costly errors. For more information on various ways about how we conduct a private investigation or if you require any help related to an investigation, please feel free to contact us at (03) 9938 7088.


Meet our highly experienced and qualified team that will be taking care of your next investigation.

Stephen Scahill

Managing Director

With an extensive history in risk management, occupational health and safety, internal auditing and investigation, contract negotiation and quality assurance for corporate entities, Stephen joined the investigation industry in 2005.

Experienced in all facets of the industry including Insurance, WorkCover, Corporate, Forensic Fraud Investigations and with many years of Investigation Management, Stephen brings a commitment to exceed the quality and expectations of his client’s

Stephen has a Diploma in Government Investigations and qualifications in Security, Risk Management, Occupational Health and Safety, Conflict Resolution and Business Communications.

Stephen is the President of the Association of Investigators and Security Professionals and holds a
seat on the Victorian Security Industry Advisory Council.

Nadia Fabris

Factual Operations Manager/Legal Counsel

Nadia holds degrees in Sociology and Law, along with a Master of Library & Information Science, which shows in her meticulous attention to detail. Which translate into quality for our Clients.

Having worked at both plaintive and defendant law firms, along with her experience as an in-field
Factual investigator and Factual Manager, Nadia has a true all-round understanding of the industry
to meet and exceed all Client expectations.

Maree Yuill

National Manager - Special Unit

Maree possesses a Diploma in Work Health and Safety, Criminology, Drug and Alcohol Counselling,
Government Investigations and other strategic intelligence. Maree worked in the criminal justice
sector for 20 years before becoming a licensed Investigator.

Maree has spent several years enforcing court orders, conducting forensic fraud investigations,
witness location, skip tracing and desktop investigations, before joining Oracle Investigation Services
as the National Manager – Special Unit.


Contact Us

Have a question? Please feel free to contact us using out contact details below. Your anonymity is our priority.

PO BOX 1350, Blackburn North VIC 3130

M-F: 9am-5pm, S-S: Closed

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