Sheepdog Patrol
“The officers that have worked with us were professional and there to help when needed.”
Best Private Investigators in York, PA
10 agencies listed · 4 in York · 3 open 24/7 · 4 open weekends · 6 rated 4.5+
Data verified October 18, 2026
Lancaster Detective Agency
“I would highly recommend Lancaster Detective Agency to anyone who needs professional and honest service.”
Shinkowsky Investigations
Gotcha! Investigative Service
“Great experience and exactly what i needed!”
Mprotective
“Mathew May is a fantastic SSO at Canadochly Elementary school.”
Secure-All Security Agency
“Personnel are very knowledgeable about all aspects of security.”
The 10 agencies on this page are the private investigators listed for York, PA. 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: York, PA
4 of the 10 agencies we list are based in York; the other 6 serve York from towns including Lancaster (23 mi), Dover (6 mi) and Hallam (8 mi). The agencies on this page are rated from 4.0 to 5.0 across 136 reviews; 1 has 50 or more reviews and 6 are rated 4.5 or higher. 3 are open around the clock; 4 are open on Saturdays and 3 on Sundays. 3 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 2000. 3 offer urgent consultations and 3 offer a free initial consultation. We have a website on file for 9 of the agencies on this page; 9 publish a contact page and 5 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.
Why are investigation agencies outside York shown here?
4 of the 10 agencies have an address in York. The others come from other towns. Investigators travel to the subject, so an office one county over is rarely the issue. State licensing is the thing to check.
Brian Blackwell Investigations
“Brian Is very thorough, hard working and detailed and will get any job and/or any information you need.”
Merge Investigations
“Very profesional work with the personal touch that is required for total confidence”
On Target Investigation & Consulting
“I was very pleased with his work, responsive and professionalism with the client.”
Johnson's Investigations
“He is able to get the information needed for your case quickly and at a reasonable cost.”
Why these companies made our list
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