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CheckMate Investigations

We Are Your Last Move


What is CheckMate Investigations and Surveillance?

Frank M. Grande, CEO of CheckMate Investigations LLC. acquired his Bachelor’s of Science Degree from the University of New Haven, in Criminal Justice. Since 1997, he has been conducting private investigations for large corporations as well as individuals within the States of Connecticut, Massachusetts, and New York.

Throughout his journeys, he has acquired the knowledge of a seasoned private investigator, by working hand-in-hand with law enforcement officials, insurance specialists, law attorneys, and other private investigators.  He has obtained the ability to conduct discreet, professional, investigations and surveillance.

“I believe once you utilize the skills CheckMate Investigations has to offer, you will find CheckMate is a cut above the rest.  So when there are no more moves to be conducted, CHECKMATE! We’re your last Move.”
-Frank M. Grande

CheckMate Investigations is currently Licensed in the State of Connecticut.

Frank M. Grande
President & CEO
CT License # A-2192
NY License # 11000164596

Contact Information:

Mailing Address
CheckMate Investigations LLC
P.O. Box 825
Bethel, CT 06801
United States

Phone: 203-743-6455
Toll Free: 877-743-6455
Fax: 203-778-2415


Reciprical Links Page

Member of Union Lodge #40 AF&AM

Member of Scottish Rite AF&AM 32nd Degree

Member of R.A.M # 17, York Rite

Member of the R.&S.M., # 1, York Rite

Member of Knights Templar, Washington Commandery #1

National Delta Chi Fraternity, New Haven, Fall’ 93

Member of NCISS since 2004

Member of NAIS since 2006


Checkmate Investigations is a private investigation and professional surveillance agency. Serving Fairfield County, New Haven County and Litchfield County in Connecticut and Westchester County, Putnam County, Duchess County and New York City in New York, we specialize in investigations and surveillance, criminal investigations, infidelity, fraud, background checks and much more. We have been serving the investigation needs of commercial and residential clients since 1997.

Contact Checkmate Investigations for a consultation.