Merrill's Investigations & Security, LLC

Merrill's Investigations & Security, LLC Since 1986, Merrill’s has built its reputation as the best, most reliable, and easiest to work with investigation and security firm in the industry. Under Mr.

Merrill's Investigation & Security was founded by Charles A. Merrill in 1986 after a distinguished 20-year career with the Maine Warden Service. The Company has operated continuously since that time. In 1999 the company added security and executive protection services to its suite of services. In 2004, after a ten year affiliation with Merrill’s and 21 years in law enforcement, Michael C. Harringt

on Sr. purchased the company. Harrington’s leadership the Company has grown exponentially and has developed into a regional powerhouse. Maine's private investigator - Merrill's Investigations and Security operates throughout Northern Maine, Southern Maine, New Hampshire, Massachusetts, Vermont or anywhere you need a qualified investigator. Today the company is one of the largest providers of investigative and security services. We provide workers’ compensation and surveillance services to major companies along the Eastern Seaboard. Merrill's also provides investigative services to a range of corporations and law firms throughout Maine. With a combined experience of more than 1,000 years, Merrill’s leads the industry in experience, expertise and professionalism. Merrill’s resource depth makes it able to provide clients with one-stop shopping for investigative services across the northeast – something no other firm can match. At Merrill’s the primary mission is to provide clients with cost-effective, discreet and professional investigations, conducted in a timely manner. In every case Merrill's provides accurate and professional written reports that describe events as they happened and, where possible, include videotaped, photographic and/or other recorded documentation. All Merrill’s investigators are intimately familiar with the geography and culture of the region. Most have worked in many areas of the state during their careers in law enforcement and private investigation. Merrill’s has developed many contacts who serve as invaluable and un-matched resources in gathering information to expedite client investigations.

This Independence Day, we proudly join our nation in celebrating America's 250th anniversary - a historic milestone hono...
07/04/2026

This Independence Day, we proudly join our nation in celebrating America's 250th anniversary - a historic milestone honoring the ideals of liberty, service, and opportunity that continue to inspire us all.

At Merrill's Investigations & Security Services, we are proud to serve our communities by providing trusted security and investigative solutions with professionalism, integrity, and dedication. Protecting people, businesses, and property is more than our job - it's our commitment.

As we reflect on our nation's past and look toward the future, we remain grateful for the opportunity to serve those who place their trust in us every day.

From all of us at Merrill's, we wish you and your loved ones a safe, happy, and memorable Independence Day.

Happy Fourth of July!

&security

Merrills Investigations & Security is proud to be attending the 19th Annual International Association of Special Investi...
06/02/2026

Merrills Investigations & Security is proud to be attending the 19th Annual International Association of Special Investigation Units (iasiu), New England Chapter’s, 19th Annual Training Seminar & Fraud Expo.

This event brings together investigators, insurance professionals, and industry leaders committed to combating fraud and strengthening partnerships throughout New England.

As we celebrate 40 years of service, we are honored to support this year's conference and continue building relationships that enhance investigative excellence and fraud prevention efforts across the region.

If you're attending the conference, be sure to stop by and say hello. We look forward to connecting with colleagues, sharing ideas, and supporting the fraud-fighting community.

🗓️ June 2-3, 2026
📍 Leominster, MA

As we welcome the New Year, we want to take a moment to thank our clients, partners, and team members for the trust and ...
01/01/2026

As we welcome the New Year, we want to take a moment to thank our clients, partners, and team members for the trust and collaboration that made this past year successful. We are grateful for each and every one of you and we look forward to continuing to work with you in the year ahead.

Wishing everyone a safe and successful year from all of us at Merrill Investigation & Security Services, LLC.

Wishing our incredible team, our trusted partners, and our valued clients a warm, joyful Christmas filled with peace, la...
12/25/2025

Wishing our incredible team, our trusted partners, and our valued clients a warm, joyful Christmas filled with peace, laughter, and time with the people you love most. May the season bring comfort, connection, and a little extra brightness to your days.

Merry Christmas from all of us at Merrill Investigations & Security Services, LLC.

Address

Readfield, ME
04355

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