Detectives in Chelmsford, MA

Comprehensive list of private detective agencies and investigators servicing Chelmsford, MA.

Business Listings

We are a full service investigation agency ready to assist you in your investigative needs. Licensed, bonded, and insured, we have qualified staff that gets results. Our services range from individual needs such as infidelity surveillances, back ground checks, to attorney and corporate services to include asset checks, skip traces, workman’s compensation, and more. No case is too small and we have


Mr. Shamshak has been part of the investigative and security fields for twenty nine years. He was a law enforcement professional for twenty one years, serving as a Police Chief in two municipal police departments for nine years. Since 1999, he has been operating his own private investigation and security consulting business.


RS Investigations is an expert private detective agency situated in Billerica, Massachusetts. Richard Settle established the agency in 2000, after working as the senior investigator and director for a global corporation. We are a complete-service agency, providing investigative services in a range of areas.

  • RS Investigations is the best agency I have dealt with. I was amazed at the attention


N FC Global is a U.S.-based, global firm and a recognized security industry leader, delivering international due diligence, risk consulting and compliance solutions to a diverse set of customers. From Fortune 500 firms to U.S. and International Governments, NFC Global supplies the finest quality products and services for the right value in the business.


Bentley Associates. is a complete service investigative and consulting company which conducts residential and international investigations for prominent law companies and corporations. We specialize in investigations, insurance fraud, workman compensation matters, international intelligence, foreign liaison, individual security, asset protection, physical security, due diligence, litigation support,


Our management staff consists of retired and current Police Officers and Security Professionals that have a total of sixty years knowledge. We are a fully insured, Equal Opportunity Employer that will tailor our Security to your requirements. We are 2nd to none for Uniformed Security Guards Armed or Unarmed Call us for all your security requirements.


SM Investigations & Security is a premier services firm concentrating on delivering firms with a huge array of specialized security and investigative services. Whether you require assistance from our Investigative, Loss Prevention, Executive Protection or Guard Service Divisions, SM Investigations & Security is dedicated to delivering the very highest in reliable and efficient security services.


PRIORITY Investigations is based out of Methuen, Massachusetts. We are 25 minutes N of Boston. PRIORITY supplies investigative services for, businesses, legal entities, fellow investigators, and individuals with non-insurance requirements. PRIORITY takes pride in delivering above average service at below average costs. Choosing the correct investigative company can be challenging.