Alpha Investigations & Security Services

Professional and Experienced Investigators and Security Operators

Barnstable, Massachusetts (508) 367-0418

Welcome

Full service agency specializing in criminal defense. See our success stories page! Now offering Private Security and Home Watch.

Foremost Private Investigator in Barnstable

Alpha Investigations is owned by a retired law enforcement specialist with over 35 years of investigative experience. We have experience in almost every area...

Our Investigation Services

We have a wide variety of services available, which include surveillance, background checking, missing person investigation, and much more. We offer a free i...

Our Investigative Methods

While it's true, we can investigate a partner suspected of cheating using video surveillance, vehicle tracking, and listening devices, that’s not the only re...

Meet The Owner

Experienced and motivated

Patrick Carty

Patrick Carty , Owner and Lead Investigator: Patrick is a retired police commander with over thirty five years experience. During his career he investigated a wide range of cases including serious assaults, burglary, financial crimes, and homicide. He received over fifty awards and commendations with many specific to investigative excellence. Patrick has been hired by several prominent attorneys to assist in matters involving their clients.

Patrick has helped many clients and attorneys gain dismissals, favorable pleas, and discover considerable exculpatory evidence.

We also have extensive success in civil litigation including insurance fraud, worker comp, and family court matters.

Patrick looks forward to offering you a free, and confidential review of your case.

07.19.2026

Amenities

24/7 availability

Free consultation

Debit & Credit cards accepted

By appointment only