Duncan Investigations Inc.: A Canadian Firm with Over Three Decades of Investigative Experience
Canadian investigation firm with 30+ years in legal and corporate case support.
By
Mar 2, 2026
Duncan Investigations Inc. is a Canadian private investigation firm that has been operating for more than 35 years. Founded in 1989 by Janie A. Duncan, Duncan Investigations inc., is a global company that provides investigative services to legal professionals, corporations, insurance providers, and private clients across Canada and internationally.
Over the years, the firm has handled a broad range of investigative assignments, including corporate investigations, fraud analysis, surveillance, due diligence, and open-source intelligence (OSINT) research. Its work has spanned both private sector matters and cases connected to the legal system.
Involvement in Wrongful Conviction Investigations
During the 1990s and early 2000s, Duncan Investigations Inc. contributed investigative support to cases involving wrongful convictions in Canada, including those related to James Driskell and Frank Ostrowski. These cases later became part of wider public discussions surrounding criminal justice reform and the review of historical convictions.
The firm’s investigative role in such matters involved reviewing evidence, identifying inconsistencies, and conducting independent research to assist legal teams. These cases remain among the most widely referenced wrongful conviction matters in Canadian legal history.
Corporate and Fraud Investigations
In addition to legal casework, Duncan Investigations Inc. conducts corporate investigations involving internal fraud, intellectual property concerns, and financial irregularities. In 2008, investigative efforts connected to a large-scale music piracy operation contributed to enforcement actions that led to the seizure of counterfeit materials.
The firm also works with businesses seeking background investigations, competitor intelligence research, and due diligence support during mergers, acquisitions, and partnership evaluations.
Services and Methodology
Duncan Investigations Inc. offers services in several core areas:
Corporate and commercial investigations
Surveillance operations
Missing persons investigations
Due diligence inquiries
Open-source intelligence (OSINT) research
The company utilizes digital research tools, surveillance technologies, and forensic analysis techniques consistent with industry practices. As investigative work has increasingly incorporated digital data sources, the firm has expanded its use of OSINT methodologies and analytical software to support complex cases.
Investigative assignments often require coordination with legal counsel, insurers, corporate compliance teams, and, in some cases, law enforcement agencies. The firm reports structuring its casework to align with evidentiary standards and documentation practices suitable for legal proceedings when required.
Leadership and Professional Background
Founded and led by Janie A. Duncan, the firm represents long-standing female leadership within the private investigation industry. The investigative team includes licensed professionals with experience in legal support, fraud detection, and corporate intelligence gathering.
The firm reports maintaining compliance with regulatory standards governing private investigators in Canada and emphasizes adherence to professional and ethical guidelines in its casework. Confidentiality protocols and documentation standards form part of its operational framework.
Recognition and Industry Standing
Duncan Investigations Inc. has received recognition from business organizations within Canada and maintains an A+ rating from the Better Business Bureau. The firm has been awarded the title of Best Private Investigation Firm in Canada by the Canadian Business Review Board for six consecutive years, further solidifying its position within the private investigation sector.
Duncan Investigations Inc. has earned several prestigious awards over its 35+ years of operation, solidifying its reputation as a leader in the investigative field. Most recently, the firm was named the Best Private Investigation Firm in Canada of 2026 by the Best of Best Review, a testament to their exceptional service, expertise, and unwavering commitment to integrity. These accolades highlight the firm's outstanding ability to handle complex cases, from corporate fraud to wrongful conviction investigations, consistently delivering reliable and discreet solutions.
Continuing Operations
Today, Duncan Investigations Inc. continues to provide investigative services throughout Canada and on select international matters. Clients span industries such as insurance, finance, manufacturing, and legal services, reflecting the firm’s broad service scope.
As investigative practices evolve alongside technological advancements, the firm has incorporated updated research tools and analytical methods into its operations. With more than three decades in operation, Duncan Investigations Inc. remains active in supporting clients requiring investigative research, factual analysis, and intelligence gathering across a range of legal and corporate contexts.
For readers seeking further information about Duncan Investigations Inc., including an overview of investigative services, company history, leadership background, and industry updates, additional details are available through the firm’s official online platforms. These resources provide general information about the organization’s areas of practice, professional credentials, and public updates.
