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  • John M. Lajoie, CLI, CCDI  jlajoie@privateinvestigator.com John M. Lajoie, CLI, CCDI, founded LII in 1989. In December of 2019, John learned he had gastro-esophageal cancer. John fought a courageous battle and colleagues, family, and friends enjoyed his ever-present whit, humor, and love of life during this time. In March of 2022, John stepped down from being the President of LII but continued[...]

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    Speaker / Lecturer

    Lajoie shares a light moment with Marcia Clark, Esq. of the OJ Simpson case when both Lajoie and Clark were speaking at The Borgata in Atlantic City, NJ during an investigator’s Super Conference involving eighteen state and national associations.  Previous Speaking Topics - Managing & Marketing an Investigative Practice - Trials & Tribulations (of a real life private eye) [...]

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    There are many reasons why a client might want to determine the asset and financial holdings of individuals, companies, trusts, and other entities.  Our asset investigations have assisted our clients in determining things such as the assets of a negligent party in an insurance case and the verification of the financial claims of a company being considered for merger or buy out. LII has a superb [...]

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    John M. Lajoie is known throughout the country for his skill and experience as a private investigator, and for his dedication to the field of professional private investigation. lajoie has turned the one-man operation he began in 1989 into one of the largest investigative firms in the commonwealth of massachusetts . john is a certified legal investigator, a certified criminal defense investigator,[...]

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    In August of 2022, the Founding Father of Lajoie Investigations, Inc. died after a courageous battle with gastro-esophageal cancer: View John's Obituary His wife, longtime business partner, and MA Licensed PI, Susan Lajoie, President of LII, is successfully operating the company with the professionalism, integrity, and ethics our clients have received over the past 33 years under John's [...]

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    Contact us to request an investigation, inquire about purchasing books, ask a question, or have Mr.Lajoie lecture at your event. Phone Number:  (800) 435-8084 Office Mailing Address: PO Box 673 Sterling, MA 01564Send Us A Confidential Email!

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