Centennial Protection Group
“Military Veterans all way, nothing but professional and skilled in the profession of private security.”
Best Private Investigators near Timonium, MD
1 of these agencies is based in Timonium; the others serve Timonium from towns including Baltimore (10 mi), Towson (4 mi) and Parkville (6 mi).
5 open 24/7 · 10 open weekends · 11 rated 4.5+ · 4 show a license
Data verified October 16, 2026
Castle Security Group
“Very professional and assistant me in a very timely manner I would definitely refer them to anyone that needs their assistance”
Constable Court Services
“I would definitely recommend Constable Court Services and I look forward to working with the services again as needed.”
Mwr Investigations
Prominent Defense Agency
“The instructor's are very knowledgeable about gun safety and they offer a lot of other classes that can help you in many more ways.”
Covert Investigative Services
“He is very professional and is great at getting the job done perfectly.”
The 14 agencies on this page are the private investigators listed for Timonium, MD. What each one states about its license, its specialties and the areas it covers comes from its own website; ratings and quotes come from public reviews.
Area overview: Timonium, MD
13 of the 14 agencies on this page have a rating, from 4.1 to 5.0 across 95 reviews; 11 are rated 4.5 or higher. 5 are open around the clock; 10 are open on Saturdays and 6 on Sundays. 4 show a license on their websites. Domain records put 7 websites of the agencies on this page at ten or more years old; the oldest dates from 2011. 5 offer urgent consultations and 1 lists coupons or special offers. We have a website on file for 11 of the agencies on this page; 8 publish a contact page and 8 list a public email. We count these figures across the agencies on this page; distances are straight-line, and hours and prices change, so confirm the details with the agency before you book.
Which investigators listed for Timonium describe their work online?
11 of the 14 agencies on this page have a website on file. Those pages are where an agency states its license, the kinds of investigation it takes on, and whether it works mainly for attorneys, for companies or for private clients. That last point changes how a report gets written.
High Speed Protection
Book onlineBook
The Bowden Group & Associates
“This agency is incredible and I'll recommend them to all my family & friends.”
Protection Security Associates
“Joe Mehl has always provided the best in security services for all my needs, highly recommend.”
Proof Investigations
Investigative Services of M D
Excel Associates
“They are always willing to go above and beyond on behalf of my firm and clients.”
Alpha Elite Security & Private Investigations
“He worked every angle of the case diligently and stayed in constant contact with me through out the investigation.”
World Wide Investigation
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
