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Best Private
Investigators in
New York

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 New York, NY.

Reviewed Curated Top Picks 2,015 1,215 16

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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AAA Investigations & Consulting, Inc.

AAA Investigations & Consulting, Inc. is a licensed and bonded private investigation company in New York, New York that offers quality investigative services and consultations at unbeatable prices. They have a range of specialties, which include criminal cases, cheating spouses, corporate investigations, and business practices. AAA Investigations & Consulting, Inc. also provides attorney referral services and in-house legal counseling.

New York City, NY 10036 (212) 588-1004


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Ace Investigations & Protection Inc.

Ace Investigations & Protection Inc. is a private investigation agency in Manhattan, NY that offers quality yet affordable service to New York City and Long Island. They specialize in locating people and providing investigative services as well as infidelity investigations. Ace Investigations & Protection Inc. has experienced investigators who ensure professional and confidential service.

New York City, NY 10013 (347) 618-0046


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Affiliated Investigations Corp.

Affiliated Investigations Corp. is a licensed and insured company in Queens Village, New York that has been providing investigation and security services for more than 33 years. Their services range from background investigations and evidence gathering to commercial security and executive protection. Affiliated Investigations Corp. is also associated with The Ohio Department of Public Safety and New York State Department of State and has earned an A+ rating with the Better Business Bureau.

Queens Village, NY 11428 (718) 322-0909


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American Eagle Investigations

American Eagle Investigations is an investigative company in New York City that has been serving individuals and businesses for 20 years. The company offers domestic and civil investigations, background checks, insurance fraud investigations, and attorney services. American Eagle Investigations is also associated with American Society for Industrial Security, The American Polygraph Association, and the National Association of Investigative Specialists.

New York City, NY 10004 (212) 344-8997


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Beau Dietl & Associates

Beau Dietl & Associates is a leading private investigation firm based out of New York City that provides fast, discreet and reliable service using the latest information-gathering and security technology. They specialize in investigations and intelligence, insurance, and security. The firm offers a very broad array of services that range from asset recovery to executive protection to polygraph tests. The agency's founder and CEO, Bo Dietl, is a well-known security and investigation expert with many high-profile endorsements and media appearances.

New York City, NY 10119 (212) 557-3334


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CPI Investigations

CPI Investigations is a private investigation firm in Manhattan, New York that provides services in all 50 states as well as to other parts of the globe. The firm specializes in polygraph/lie detection tests, personal and corporate protection, surveillance, background checks, and electronic eavesdropping protection, as well as litigation support and case assistance. CPI Investigations is proud to be affiliated with the American Association of Police Polygraphists, American Polygraph Association, and The PI Group, among other organizations.

New York City, NY 10011 (212) 822-3424


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DVM Investigations and Services LLC

DVM Investigations and Services LLC is a licensed, bonded and insured private investigation company in Staten Island, New York that offers confidential and discreet services to clients in New York and New Jersey. This full-service company specializes in background investigations, employment screening, surveillance, and security consultant services. DVM Investigations and Services LLC is also affiliated with ASIS International, Associated Licensed Detectives of NYS, ALDONYS, and other organizations.

Staten Island, NY 10312 (718) 948-1843


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Interstate Investigators Inc.

Interstate Investigators Inc. has been providing professional investigative services for more than 40 years. This licensed and bonded investigation firm in Staten Island, New York specializes in a wide range of investigative services, which include elder and child abuse, surveillance, criminal investigations, and trial preparation. Interstate Investigators Inc. is committed to providing cost-conscious and discreet services, offering free consultations as well as multi-lingual support.

Staten Island, NY 10302 (718) 876-0499


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Investigative Solutions LLC

Investigative Solutions LLC is a Manhattan-based private investigation agency that serves the New York and New Jersey area. This full-service agency offers services such as surveillance, background checks, GPS tracking, and computer forensics, among others. Investigative Solutions LLC is also associated with Society of Former Special Agents of the Federal Bureau of Investigation, NCISS, NJLPIA, and Certified Fraud Examiner (CFE).

New York City, NY 10001 (973) 857-4545


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J.T. Mullen Private Investigator

J.T. Mullen Private Investigator is a firm in Manhattan, New York that has been providing comprehensive and innovative investigative services for more than 40 years. They specialize in corporate financial investigations, protective services, asset searches, and custody challenges. J.T. Mullen Private Investigator has acquired impressive testimonials and recognition from Crain’s, the New York Post, New York Law Journal, among other outlets.

New York City, NY 10007 (212) 581-5292


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Long Island Investigations

Long Island Investigations is an investigative and detective agency that has been serving Nassau and Suffolk counties for more than 30 years. Long Island Investigations’ investigators are all former NYPD detectives who are highly skilled, qualified and focused on getting the job done right. The agency specializes in surveillance, matrimonial, pre-marital investigations, private and personal security, and child custody.

Massapequa Park, NY 11762 (516) 795-3368


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Manhattan Investigations, LLC

Manhattan Investigations, LLC is an agency in New York City that has been providing investigative services since 2004. They specialize in infidelity investigations, and child support and child welfare investigations, as well as technical and forensic investigations. Manhattan Investigations’ highly qualified investigators are equipped with more than 20 years of investigative experience, and the agency is confident in their abilities, offering clients a money-back 100% satisfaction guarantee.

New York City, NY 10005 (212) 486-3078


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National Investigations Inc.

National Investigations Inc. is private investigation company in Manhattan, NY that aims to provide professional and confidential service to each client. They specialize in private client and attorney services, corporate investigations, and matrimonial infidelity. Clients speak highly about National Investigations Inc.’s very experienced private investigators and expert, discreet service.

New York City, NY 10005 (855) 334-4636


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New York Investigation Specialists, LLC

New York Investigation Specialists, LLC is a company in Brooklyn, NY that has been providing 100% confidential investigative services for more than 15 years. Their private investigators specialize in surveillance and investigations which include tenant and pre-employment screening as well as criminal history checks. New York Investigation Specialists, LLC's team brings experience, skill, and a comprehensive background that serves each client's needs.

Brooklyn, NY 11229 (718) 521-4282


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RQ Investigations

RQ Investigations is a leading private investigation firm in New York City that offers quality service at affordable rates. This professional and multi-lingual firm specializes in background investigations, criminal defense investigations, surveillance, and school district services. RQ Investigations is fully licensed and insured and employs highly trained investigators who use cutting-edge technologies to achieve satisfactory results.

New York City, NY 10019 (212) 729-7798


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Your I s Consulting Inc.

Your I s Consulting Inc. has been providing investigative services at competitive prices to clients in New York City, Long Island and Westchester for more than 20 years. Their areas of specialty consist of matrimonial and infidelity investigations, surveillance, litigation support, and child custody. Your I s Consulting Inc. uses state-of-the-art equipment and only employs skilled investigators with 15 years of minimum experience.

Bronx, NY 10461 (800) 956-1520


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