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Find the 20 Best Private Investigators in Pennsylvania

Browse 20 private investigators serving Pennsylvania, including Harrisburg, Philadelphia and Pittsburgh, for personal and business matters. Review background research, surveillance and investigation services, read available client feedback and contact professionals for consultations.
Allentown (1)
Bala Cynwyd (1)
Carnegie (1)
Gap (1)
Harrisburg (3)
Imperial (1)
Lancaster (1)
Mountain Top (1)
Norristown (1)
Oakmont (1)
Philadelphia (3)
Pittsburgh (2)
Reading (1)
Shippensburg (1)
Washington (1)
3 reviews
Brian Blackwell Investigations
29 Years
3 reviews
20+ years of investigative leadership experience
Trusted private investigation services in Harrisburg, PA. Specializing in background checks, fraud detection, family law cases, and missing persons investigations since 1997.
Family Law Investigations Background Checks Social Media Analysis
(888) 920-3616 Call Profile
Not rated yet
I Spy 4 You
Not rated yet
We average 15 years of investigative experience.
I Spy 4 You delivers expert private and corporate investigations, fraud detection, and bug sweeps across Philadelphia and New Jerseyaccurate, discreet, and affordable.
Private Investigation Domestic Investigation Insurance Investigation
(267) 733-6166 Call Profile
Not rated yet
Valente Legal Services
Emergency
Not rated yet
Over 25 years of experience in private investigations and process serving.
Valente Legal Services offers expert private investigations, process serving, and court reporting in Pennsylvania. With over 25 years of experience, we provide reliable, direct service without subcontractors.
Surveillance Infidelity Investigations Domestic Investigations
(610) 585-5535 Call Profile
Not rated yet
Devine Intervention
28 Years
Not rated yet
We have over 25 years of experience in private investigations
Professional private investigation services in Allentown, PA. Devine Intervention offers surveillance, infidelity investigations, and corporate investigations with 25+ years of experience.
Infidelity Investigations Surveillance Missing Persons
(610) 366-7272 Call Profile
Not rated yet
Tri State Detective Agency
19 Years
Emergency
Not rated yet
Our investigators average 30+ years of combined experience in law enforcement and military intelligence
Philadelphia's top-rated private investigators serving PA, NJ & DE with discreet infidelity investigations, missing persons searches, and digital forensics. 30+ years experience.
Infidelity Investigations Digital Forensics Missing Persons
(267) 733-6166 Call Profile
Not rated yet
Schaad Detective Agency
50+ Years
Emergency
Not rated yet
We offer 50+ years of local security expertise in central Pennsylvania
Trusted security and private investigation services since 1972. Schaad Detective Agency provides armed security, corporate investigations, and risk assessment solutions across Pennsylvania, Maryland, and West Virginia.
Armed Security Officers Private Investigations Employee Termination Services
(717) 293-8200 Call Profile
Not rated yet
Erskine Investigative Services
Not rated yet
Licensed investigators with military and law enforcement expertise
Licensed private investigators in Shelby Township, MI providing surveillance, fraud investigations, and legal support for attorneys, insurance companies, and individuals across Michigan.
Surveillance Insurance Fraud Investigations Infidelity Investigations
(717) 385-8012 Call Profile
Not rated yet
The Browning Group
17 Years
Emergency
Not rated yet
We offer GPS tracking for all process serving assignments
The Browning Group offers expert private investigations, security services, and process serving in Harrisburg, PA and beyond. Licensed, insured, and experienced since 2009.
Private Investigations Security Guard Services Process Serving
(800) 939-2978 Call Profile
Not rated yet
Stumar Investigations
Not rated yet
We offer 35+ years of experience in private investigation and litigation support.
Stumar Investigations provides discreet, results-driven investigative services for legal and corporate clients across the Mid-Atlantic and nationwide. Specializing in insurance fraud, surveillance, and litigation support since 1988.
Surveillance Insurance Claims Investigation Business Intelligence
(800) 355-1199 Call Profile
Not rated yet
Sentinel Security & Investigations
50 Years
Emergency
Not rated yet
49 years of specialized security and investigation experience
Sentinel Security & Investigations delivers reliable security guards, private investigations, and process service in Washington, PA since 1976. Call 724-225-7957 for 24/7 protection and expert investigative services.
Security Guards Private Investigations Process Servers
(724) 225-7957 Call Profile