Decades of professionalism and integrity

Hallmark Investigations Bureau is a Massachusetts and New Hampshire professionally licensed private investigation firm. We specialize in a variety of criminal and civil cases. We are licensed, bonded and insured for work in Massachusetts and New Hampshire. However, as a recognized professional in our industry we have contacts and resources nationwide, allowing us to provide investigations services to clients wherever the case may lead. We have U. S. passports and will travel.

Our primary objective in any case is finding the facts and exposing the truth to our client confidentially.

Hallmark Investigations Bureau specializes in both covert and overt surveillance. We use a combination of older proven methods and newer sophisticated tools to provide our client a report for legally obtained detailed evidence, including pictures and video.

Most of our investigators have previous police and military training.

Our integrity and confidentially speaks for itself. Member of MASSACHUSETTS LICENSE PRIVATE DETECTIVE ASSOCIATION (26 yrs). Member of the NEW HAMPSHIRE LEAGUE OF INVESTIGATORS (20 yrs)

Any questions.....? Are you looking for answers? Call 781 592 5900 or E-Mail us at Conrad Mc Kinney Private Investigator


Criminal, Civil and Corporate Investigations


Our resources provide the client with strategies that will prove valuable in a court of law.

Workers Compensation


Our investigators are some of the best in the industry. Covert surveillance work is one of our specialties.

Interviewing, Locates and Record checks


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Lynn, Massachusetts, United States