IRG the Canadian Standard for Investigative Services. Investigative Research Group (IRG) was founded in 1992 and has become the Canadian standard for private investigations in Canada. IRG has a reputation for providing the highest standard of professional service. We deliver accurate critical intelligence in a timely and effective manner. Our results have won the trust and respect of many of Canada's fortune 500 companies. Our experience and knowledge has been tested and proven making Investigative Research Group (IRG) the most professional firm of private investigators in Canada.Click on this cell, type the text and press Enter to update the character count. more... See more text