About Sigma Agency

Sigma Agency, located just south of Boston in Rockland, Massachusetts was founded in 2008 and has quickly achieved a reputation for excellence in providing consultation and security services to an increasing list of clients.... municipalities, government agencies and corporations.

Sigma Agency is committed to providing our clients with the highest level of service in investigative and security service areas. We are committed to excellence.

Sigma Agency assists individuals, organizations and corporations with issues ranging from general security to protective strategies in the security and investigative fields

Our special agents are exceptionally qualified with vast experience and multiple skill sets.  They are committed to the highest standards of integrity, possess excellent analytical skills and judgement, and present a professional image.

Sigma Agency is licensed, bonded and insured in Massachusetts as an investigative and security service agency (P-1619).

Sigma Agency professionals are highly skilled, former law enforcement officials from the U.S. Government as well as state and local agencies.  With this level of knowledge and experience you can expect a level of service that is thorough, efficient and confidential.  Our primary goal is to work in your best interest and deliver credible results that give you peace of mind.


Protective Services


Covert Surveillance Pic


K9 Services

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