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About
In today’s fast-paced, technology-driven world, having accurate information is essential. GMC Nationwide Investigations & Surveillance provides confidential, professional private investigation services to help you resolve sensitive personal or business matters.
With 25 years in business and a skilled team of investigators, we gather and document facts discreetly, efficiently, and precisely. Our clients rely on us for thorough surveillance and detailed reporting they can trust when making important decisions.
If you need reliable answers handled with professionalism and discretion, contact GMC Nationwide Investigations & Surveillance to discuss your situation.
Overview
Hired 27 times
Background checked
20 employees
25 years in business
Business hours
This pro hasn't listed their business hours.
Payment methods
This pro accepts payments via Cash, Credit card, Venmo, and Zelle.
Services offered
Services needed
Background check
Interviewing people and providing notes
Surveillance
Locating a person
Case type
Finding hidden assets
Child custody
Missing person(s) / Reunion
Theft / crime / fraud investigation
Work location
My customers travel to me
I work remotely (phone or internet)
Projects and media
Projects and media
Reviews
Customers rated this pro highly for work quality, professionalism, and responsiveness.
Very good 4.6
22 reviews
5
82%
4
9%
3
0%
2
5%
1
4%
Your trust means everything to us. Learn about our review guidelines.
Read reviews that mention:
Joe G.
Mar 20, 2024
•
Hired on Thumbtack
People hire investigators when they have an important and stressful situation and they need information. Unfortunately, investigators are only humans that happen to have expertise in uncovering information. With GMC I felt that things took longer than I would have wished, perhaps I was impatient, however at the end of the day they provided me the information that I needed and in reading their report they clearly were doing a lot of leg work behind the scenes that I was unaware of. I would use them again.
Private Investigation
Steph B.
Nov 12, 2024
I hired him to find my daughter I had not seen in 8yrs and in less than 2weeks he found her father I recommended him
Thank you for finding my daughter
You’re very welcome. I am very happy we were able to complete your locate successfully. Good Luck. Sincerely, Greg / GMC INV
Matt S.
Oct 27, 2022
•
Hired on Thumbtack
I would recommend GMC Nationwide investigation and Surveillance. They were able to with very little information help solve some questions I needed. More importantly was very discreet about everything. Hire them you won’t be disappointed. Thanks again for your services.
Thank you Matt. Glad to be of service, Greg / GMC NATIONWIDE INVESTIGATIONS AND SURVEILLANCE
Private Investigation
Renato B.
Jul 28, 2022
•
Hired on Thumbtack
The prices are reasonable, he explains in detail what he is going to do before he starts the process. He shows you the work done. In my case he even went the extra mile with no extra charge. Truly a real HONEST person. He will not just take your money and don’t do nothing but he will truly do the work. Thank you very much for your service!… Highly Recommended
Thank you for the review. We are at your service. Greg / GMC NATIONWIDE INVESTIGATIONS AND SURVEILLANCE
Private Investigation
Credentials
Background Check
Gregory Mccallister
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
Our pricing is excellent and remains cost effective for all services offered.
What is your typical process for working with a new customer?
We analyze the situation and data provided to us by the client and determine what is the best course of action to obtain results.
What education and/or training do you have that relates to your work?
Over 25 years of investigative experience in virtually every investigative field; surveillance, locate investigations, background investigations, asset investigations, counter-surveillance, civil and criminal investigations, business litigation and risk-mitigation.
