Best Private Investigators in Philadelphia

Why These Private Investigators?

Our goal is to connect people with the best local experts. We scored Philadelphia Private Investigators on more than 25 variables across five categories, and analyzed the results to give you a hand-picked list of the best.

Reviewed Curated Top Picks 360 222 17

Our Selection Criteria:

  • 1. Availability

    Consistently approachable and responsive, so customers never feel ignored.

  • 2. Qualifications

    Building customer confidence with licensing, accreditations, and awards.

  • 3. Reputation

    A history of delighted customers and outstanding service.

  • 4. Experience

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

  • 5. Professionalism

    Providing service with honesty, reliability, and respect.

Read more about our selection process

Atlantic Security International Investigations Incorporated

Based in Bensalem, PA, Atlantic Security International Investigations Incorporated comprises 20 full-time staff, 15 part-time staff, and 20 strategic alliances to provide specialized services. They have been featured on NBC, CBS and Fox affiliate news stations, worked on high-profile criminal cases in the region, and served Fortune 100 companies. Specialties include insurance fraud, legal support, corporate investigations, information services, security, and related areas of practice.

Bensalem, PA 19020


Axe Investigative Group

Located in the suburbs of Philadelphia, Axe Investigative Group was established in 1984 and serves all of Eastern Pennsylvania and Southern New Jersey. They specifically work with insurance companies, corporations, and municipalities to provide legal support services, insurance investigation, risk management, due diligence, and related services. This specific focus allows Axe Investigative Group to provide a depth of experience and expertise that isn't always possible with generalist firms. This firm is affiliated with the International Association of Marine Investigators, Intelnet, the National Council of Investigation and Security Services, and the Pennsylvania Association of Licensed Investigators.

Horsham, PA 19044


Beck Group Inc.

Beck Group Inc. is a private investigation firm located in Philadelphia and comprised of former federal, state, and local law enforcement, investigators, and intelligence officers. They are bonded and fully insured to serve clients throughout Pennsylvania and New Jersey. Fees for their comprehensive services begin at just $75 per hour.

Philadelphia, PA 19136


Egis International Inc. Special Investigations Division

Located in the Philadelphia suburbs, Egis International Inc. Special Investigations Division serves law firms, insurance companies, government agencies, third party administrators, and corporations throughout Pennsylvania and New Jersey. Founded in 1986, Egis International hires seasoned professionals with formal education in criminal justice and at least 15 years of industry experience. Specialties include process service, surveillance, background checks, auto accident liability, missing persons, asset checks, public records searches, criminal defense, scene diagrams and photographs, household checks, and related investigations. This firm is a Member of the Pennsylvania Association of Licensed Investigators and a Founding Member of the U.S. Department of Homeland Security.

Exton, PA 19341


ELPS Private Detective Agency

Based in the Philadelphia suburbs, ELPS Private Detective Agency is a team of licensed and bonded male and female investigators with more than 20 years of industry experience. This fully licensed and bonded firm is open 24 hours a day, seven days a week and offers free consultations at the client's chosen location. Specialty areas include insurance fraud, defense investigations, intellectual property investigations, marital issues, and corporate investigations. They strive to produce thorough, prompt, high-quality results.

Exton, PA 19341


Hopson Associates

Hopson Associates Investigative and Security Specialists serves all of Philadelphia and surrounding areas. This full-service firm is comprised of former agents of the Drug Enforcement Administration, Federal Bureau of Investigation, and Royal Canadian Mounted Police along with former state, municipal and military law enforcement officers. Services include comprehensive employment screening and background checks, asset location, child custody and other domestic issues, legal support, civil investigations, and related areas of expertise.

Philadelphia, PA 19106


IRG Investigative Response Group

IRG Investigative Response Group provides private detective services with quality and integrity throughout Pennsylvania, New Jersey, and Delaware. IRG specifically serves the insurance industry and was founded in 2009 by Sean Grant, who has over 15 years experience as former Director of Operations for Willis North America Risk Mitigation Division. Services include insurance investigation to mitigate loss and fraud, high-quality surveillance video using cutting-edge equipment and techniques, and accident scene investigation including photography, witness interviews, measurements, and more.

Springfield, PA 19064


M. Goldman Investigations

M. Goldman Investigations specializes in marriage, divorce, and child custody investigations throughout the Philadelphia metropolitan area in both Pennsylvania and New Jersey. Services include videotape surveillance, computer forensics, background checks, missing persons, asset searches, hidden cameras, polygraph exams, and GPS tracking. This firm is completely licensed, bonded, and insured, has more than 20 years of professional experience, and is associated with the Southeastern Pennsylvania Private Investigators Association. Goldman offers free, no-obligation quotes through a simple form on his website. He keeps information completely confidential and specializes in finding information through complex, challenging research that is hard for others to obtain.

Chesterbrook, PA 19087


Magnum Investigations

Magnum Investigations is a Philadelphia-area firm with two convenient suburban locations, specializing in video surveillance for domestic issues including child custody, infidelity, and alimony investigations. This licensed, bonded, and fully insured firm offers free consultations and requires a retainer for ongoing service. Magnum Investigations also provides courtroom services and expert testimony as well as a VIP service for high-profile customers. Clients praise their professional demeanor and exceptional level of investigative detail.

Huntingdon Valley, PA 19006


Philadelphia Surveillance Company

Philadelphia Surveillance Company has more than 25 years of experience in surveillance, locating missing persons nationwide, process serving, background checks, and related services. This firm is affiliated with Pennsylvania Association of Licensed Investigators, National Council of Investigation and Security Services, and New Jersey Private Investigators Association. They serve all of Pennsylvania and New Jersey and offer free, no obligation consultations for potential clients who may benefit from private investigation.

Philadelphia, PA 19136


SFS and Associates LLC

SFS and Associates LLC provides licensed, bonded, and insured surveillance and investigation services throughout the Philly metropolitan area, including New Jersey. This firm is affiliated with the National Council of Investigation and Security Services and the Pennsylvania Association of Licensed Investigators. Services include insurance defense, workers compensation investigation, neighborhood investigations, domestic issues, background screenings for employment, theft, covert operations, passive GPS tracking, and undercover investigations.

Glenside, PA 19038


Signature Investigative Group

Philadelphia's Signature Investigative Group was founded in 2008 by Patrick J. Reilly Jr. a retired New Jersey State Police Captain and graduate of the FBI National Academy with more than 25 years of law enforcement experience. This firm boasts a team of professional investigators who are seasoned former federal, state and regional retired law enforcement professionals. Services include attorney support, corporate investigations, insurance fraud, domestic issues, law enforcement consultation, forensics, research, and VIP protection services.

Philadelphia, PA 19102


Southeastern Pennsylvania Investigations

Located in Thorndale, Southeastern Pennsylvania Investigations was founded by Bob Kozura, who has more than 30 years of experience as a private investigator including court testimony and a national network of professional associates. Specialty areas include infidelity and divorce, surveillance, cohabitation investigations, subpoenas, witness location, personal injury, criminal defense, and much more. Kozura has a Bachelor of Science Degree in Criminal Justice from West Chester University and has been licensed by the state as a private investigator since 1982.

Thorndale, PA 19372


Tri State Detective Agency

The Tri-State Detective Agency is a firm of private investigators based in Bala Cynwyd, Philadelphia, Pennsylvania. Founded over 20 years ago, the agency will only use its own staff to conduct investigations on behalf of its clients. It works for private citizens, attorneys, insurance companies, and corporations, amongst others. Its range of services includes surveillance, site inspections, accident scene diagrams, and clinic inspections, as well as verification that missing loved ones are alive and well.

325 Chestnut Street Suite 800
Philadelphia, PA 19106


Warstone Investigative and Security Systems

Based in Philadelphia, Warstone Investigative and Security Systems is a certified Service Disabled Veteran Owned Small Business specializing in surveillance, criminal investigations, employment screening, and insurance-related and other forms of fraud. They boast discretion, honesty, and competitive pricing. The founder of Warstone Investigations has a master's degree in business and an international range of law enforcement contacts. He founded the company with the aim of providing jobs for local law-enforcement and military veterans. This business has a five-star overall customer review from Thumbtack.

Philadelphia, PA 19111


Wm. Keith Scannell and Associates, Inc.

Located in Philadelphia, Wm. Keith Scannell and Associates, Inc. is a licensed and insured private investigation firm founded in 1985. This business is affiliated with the American Society for Industrial Security (ASIS), Association of Certified Fraud Examiners International, International Association of Arson Investigators, and Claims and Litigation Management Alliance. Specialty areas include insurance defense, surveillance, proactive guard patrol, local and national process service, child custody and divorce investigations, background checks, and much more.

Philadelphia, PA 15219


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