About Merrill's Investigation and Security Company in Readfield, Maine
Our team leads the industry in expertise by providing Security Providers and experienced Investigators
We are Merrill's
Founded in 1986 by Retired Maine Game Warden Major Charles A. Merrill, Merrill's Investigation and Security has spent the past 37-years building our reputation as the best, most reliable, and easiest to work with investigation and security firm in the industry.
In 1999 the company added security and executive protection to its suite of services.
In 2004, after a ten-year affiliation with Merrill’s and 21 years in law enforcement, Michael C. Harrington Sr. acquired the company. He was joined by his son Michael C. Harrington, II who had been working for Merrill’s since 1998 in operating and growing the business. Under The Harrington’s leadership the company has grown exponentially and has developed into a regional powerhouse.