Fine Line Investigations is a Private Investigator located in Toronto, ON. We offer Child Custody Investigations, Business Surveillances, Pre Marital Checks, Sheeting Spouse Investigations, Missing Persons Investigations, and other Private Investigator Services. Fine Line Investigations is a modern private investigation agency. We utilize innovative technology and methods tailored to your needs. Our Investigators pride themselves on their professionalism and discretion. Get in touch today for more information. more... See more text