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Best Private
Investigators in

Why These Private Investigators?

Our goal is to connect people with the best local experts. We scored private investigators on more than 25 variables across five categories, and analysed the results to give you a hand-picked list of the best private investigators in Pittsburgh, PA.

Reviewed Curated Top Picks 90 60 17

Our Selection Criteria:

  • 1. Reputation

    A history of delighted customers and outstanding service.

  • 2. Credibility

    Building customer confidence with licensing, accreditations, and awards.

  • 3. Experience

    Masters of their craft, based on years of practical experience and education.

  • 4. Availability

    Consistently approachable and responsive, so customers never feel ignored.

  • 5. Professionalism

    Providing service with honesty, reliability, and respect.

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Armada Global

Armada Global, Inc. is a risk management firm located in Allison Park, Pennsylvania. The agency is managed by the former operational personnel from the Central Intelligence Agency. Awarded Thumbtack's Best of 2016, some of their specializations include investigations, intelligence, and security. They also offer home and business security, surveillance, and technology.

Allison Park, PA 15101 (412) 253-2013


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Brian Weismantle Investigative Services

Brian Weismantle Investigative Services is a private investigations firm located in Pittsburgh, Pennsylvania. Brian Weismantle, a retired homicide detective with 24 plus years of service with the Pittsburgh Bureau of Police, provides civil and criminal investigations, insurance/workers comp fraud services, court-related services, and fingerprint services. Brian Weismantle Investigative Services is a Licensed Private Investigator and Air National Guard. The agency is affiliated with FOP.

Pittsburgh, PA 15219 (412) 417-8349


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Cherish Investigations

Cherish Investigations is located in South Park, Pennsylvania. Founded in 2003, the firm offers over 25 years of experience and expertise to clients in need of a variety of investigation services. The firm specializes in building and developing civil and criminal cases for clients and/or their attorneys. Cherish Investigations focuses on family law but also includes personal protection, security assistance, interior and exterior perimeter surveillance and monitoring equipment, among other areas of expertise.

South Park, PA 15129 (412) 980-5143


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Dan Haser, LLC

Dan Haser, LLC is a private investigations agency located in Pittsburgh, Pennsylvania. Their premier investigator, Dan Haser retired from the FBI in 2010 after 23 years of service as a Special Agent. In 2011, he became a licensed private investigator in the Commonwealth of Pennsylvania, PI #0685. They service law firms, products, corporations and businesses, and individuals. Dan Haser is a member of the Society of Former Special Agents of the FBI, Inc.

Pittsburgh, PA 15234 (412) 841-1225


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Empire Investigation LLC

Established in 1982, Empire Investigation LLC is located in Pittsburgh, Pennsylvania. Their services include asset searches, computer forensics, cell phone forensics, international services, hidden video cameras, domestic concerns, and more. The investigative team has been featured on Fox, ABC, CBS, NBC, The Boston Globe, The Miami Herald, and more.

Pittsburgh, PA 15205 (412) 921-4046


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Forletta Consulting and Investigation Services

Forletta Consulting and Investigation Services is a private investigations firm with offices located in Pittsburgh, Pennsylvania and New Castle, Pennsylvania. As a team, the agency has over 100 years of combined investigative experience and training. Their services include due diligence, surveillance, handwriting analysis, intellectual property protection, workplace investigations, drug investigations, and more. They provide services for lawyers, personal and family, government, international, education, and within the medical field. This company is a verified business.

Pittsburgh, PA 15219 (724) 202-6756


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Fraud Investigative Service

Fraud Investigative Service is located in Pittsburgh, Pennsylvania. Their company President Andrew Richards, CFS, is a recently retired federal agent with well over 25 years’ experience in investigating fraud schemes in both federal and state venues. The firm provides both civil and criminal investigations and provides services pertaining to internal and external corporate investigations, fraud and theft investigations, whistleblower/qui tam actions, corporate fraud, commercial corruption, investment fraud, and more in order to discreetly determine how much fraud exposure their clients have.

Pittsburgh, PA 15237 (412) 722-8380


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Gusdonevich and Associates Investigative Services

Gusdonevich and Associates Investigative Services is located in Carnegie, Pennsylvania and provides services for personal injury attorneys, family law attorneys, estate law attorneys, the business community, the general public, and criminal law attorneys. John E. Gusdonevich, Jr., their lead investigator, obtained his Bachelor of Arts degree in Administration of Justice from the University of Pittsburgh in 1976. He has been a proud member of the National Association of Legal Investigators since 1985 and of the Pennsylvania Association of Licensed Investigators since 2007.

Carnegie, PA 15106 (412) 855-6714


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Investigations by King, LLC

Located in Scottdale, Pennsylvania, Investigations by King, LLC offers investigation and security services. These investigation services include general investigations, corporate investigations, pre-employment screening, background investigations, worker's compensation investigations, surveillance, and more. Their high standards and criteria for employment guarantee a professional, well educated, and highly experienced staff using the industry's most creative techniques in surveillance and investigation.

Scottdale, PA 15683 (724) 887-2990


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Mon Valley Detective Bureau, LLC

Mon Valley Detective Bureau, LLC is located in Monongahela, Pennsylvania, where they proudly serve the surrounding areas of Allegheny, Westmoreland, Washington, Fayette, Greene, and all of Pennsylvania. Established in 1988, with over 25 years of experience, they offer personal and business investigation services. The firm is licensed, bonded, and insured.

Monongahela, PA 15063 (724) 483-5110


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Passant & Passant Ltd.

Established in 1990, Passant & Passant Ltd. is a private investigations firm located in Oakmont, Pennsylvania. Their confidential investigation services include insurance fraud, worker's compensation, corporate investigations, employee theft, criminal investigations, civil investigations, domestic investigations, and more. Conducting client investigations aggressively while remaining within the scope of the law, they strive to provide clients with a reliable and worthwhile experience.

Oakmont, PA 15139 (412) 828-1660


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Protector Security Services and Investigations Group, LLC

Located in Oakdale, Pennsylvania, Protector Security Services and Investigations Group offers security services and investigations. Their investigation services include accident and background investigations, workers' compensation fraud, civil and criminal investigations, corporate investigations, attorney support services, and more. The firm was formed in order to serve the delicate and discreet needs of corporations, businesses, and individuals.

Oakdale, PA 15071 (412) 557-3111


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Rega Investigative Group, LLC

Rega Investigative Group, LLC is located in Pittsburgh, Pennsylvania. They offer investigative services and security services. Their investigative services include surveillance, litigation support, background investigation, employee misconduct, fraud and abuse, computer and cell phone forensics, residency verification, and contractor verification. They are a proud member of the Association of Certified Fraud Examiners, Westmoreland Chamber of Commerce, and Pennsylvania Association of Licensed Investigators.

Pittsburgh, PA 15222 (800) 830-0305


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Royal Investigative Services

Royal Investigative Services is located in Youngwood, Pennsylvania and serves the Central and Western Pennsylvania area. They have been in the industry for more than 20 years offering services that include civil, criminal defense, protective services, fraud, domestic custody and child support, infidelity, missing persons or unsolved crimes, and drug addiction verification and locating. Theys understand the importance of professionalism, integrity and trust.

Youngwood, PA 15697 (814) 808-5320


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Sentinel Security & Investigations, Inc.

Sentinel Security & Investigations, Inc. is located in Washington, Pennsylvania. This agency was established in 1976 and provide a detailed array of services, including providing uniformed officers- armed or unarmed, visible deterrent patrolling your premises, full or part-time security services, commercial and residential patrol services, process service- subpoenas, private investigations, and more. They are committed to excellence and establishing a long-term relationship with their clients.

Washington, PA 15301 (724) 225-7957


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Specialty Private Investigators Inc.

Established in 1995, Specialty Private Investigators Inc. is located in Pittsburgh, Pennsylvania. Serving not only the private sector but the corporate sector as well, they can help clients uncover the truth. Whatever kind of legal problem anyone is dealing with, whether it’s a business dilemma or a personal issue, Specialty Private Investigators can help. They have partnerships with Super, Pennsylvania Association of Licensed Investigators, Merchant Circle, and National Investigators & Security Professionals.

Pittsburgh, PA 15236 (412) 650-8550


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Woodard Private Investigations

Woodard Private Investigations is owned by Private Investigator Frederick Woodard who is a retired, highly-decorated detective with the Pittsburgh Bureau of Police. Located in Pittsburgh, Pennsylvania, the agency offers a list of services that include surveillance, pre-employment screening, background investigations, locate/interview persons, process server, personal security, medical billing fraud, and consulting.They are a member of the Pennsylvania Association of Licensed Investigators.

Pittsburgh, PA 15233 (412) 924-8255


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