Professional monitoring and observation services for legal cases, insurance claims, and personal matters.
Comprehensive investigations into individuals' histories, including employment, criminal records, and DMV checks.
Expert services to locate and identify hard-to-find witnesses for legal proceedings.
Reliable delivery of court documents such as summons, complaints, and subpoenas.
Creative solutions and thorough investigations for complex legal and business challenges.
I had the pleasure of working with Marc Garza and GRI Investigative Group and could not be happier with the experience. Marc is professional, reliable, and highly skilled in his investigative work. His attention to detail, timely communication, and dedication to delivering results exceeded my expectations. It is clear that he takes great pride in his work and in ensuring his clients are well taken care of. I highly recommend Marc and GRI Investigative Group to anyone in need of professional investigative services you can trust that you’ll be in excellent hands.
Marc is great. I am an employment attorney based on Carlsbad and we've had Marc help us locate difficult witnesses, run background checks on potential defendants, and basically find things that can't be found. He's always responsive and efficient, priced fairly, would highly recommend
Marc Garza is a consummate professional who knows his craft very well. His former law enforcement background makes him an amazing private investigator. My firm has referred several clients to him and we are always impressed by his thorough investigation and creative solutions to complex problems. Thank you Marc.
As a business owner it is important to have the right team members. So in order to do that we have to make sure that our potential team members have a a reasonable history and reliable source. We used GRI Investigation to support use by doing a thorough back ground check as well as checking DMV records. They definitely delivered!! Everything came back great in a timely manner! I will definitely be using GRI Investigation for future background check and any other services that they provide that I may need!!
I am a personal injury lawyer here in San Diego. My firm utilizes GRI Investigations on a regular basis to conduct surveillance, background investigations, locate witnesses in our cases, and to serve court documents, e.g., summons/complaints, subpoenas, etc. Marc and his team are extremely thorough in their investigation, professional, responsive, and of equal importance, they always get the job done! Not all professional/private investigators are created equal, believe me I know, I’ve used too many to count in the past. Marc and his team are the real deal and you will not regret using GRI Investigations, whatever your needs may be. I honestly cannot recommend them enough!

Professional Investigations You Can Trust - Delivering Results with Integrity and Precision.
No photos available
GRI Investigative Group, Inc. is a premier private investigation firm based in Chula Vista, CA, offering expert investigative services for legal, business, and personal needs. Led by Marc Garza, a former law enforcement professional, we specialize in surveillance, background checks, witness location, and document service. Our team is known for meticulous attention to detail, timely communication, and creative solutions to complex cases, ensuring clients receive reliable and thorough results. Trusted by attorneys and businesses alike, we provide professional, responsive, and ethical investigative support.
Claim GRI Investigative Group, Inc. to update business info, respond to reviews, and access analytics.