Northeastern Investigative Services LLC is a full service Springfield Massachusetts private investigator firm specializing in Boston Body Guard Services, Foxboro Private Investigators, Springfield MA PI Services, Salisbury MA Infidelity Investigations, and much more! If you need private estate protection in Cape Cod or Marthas Vineyard, feel free to contact us for a free consultation. Our professional investigators can assist in cases of domestic surveillance, missing persons, background checks, court house searches, criminal defense, executive protection, fraud investigations and much more.