Best Private Investigators in New York City

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Cornelius Investigations logo
FEATURED
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400

Cornelius Investigations

One Grand Central Place 60 East 42nd Street Suite, New York, NY 10165
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Business Description

Cornelius Investigations LLC is a licensed, bonded, and insured investigations agency in New York City that conducts private investigations for many of New York City’s top law and corporate firms, as well as for individuals. The agency’s investigations team, including the founder Scott Prendergast, were formerly with the New York Police Department (NYPD) or New Jersey State Police. Services offered include private investigations, surveillance, computer forensics, executive protection, and event security. The agency also helps attorneys investigate business and insurance cases, family law issues, and background checks.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.3
Google
4.3 / 5 (6)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
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Price: 400

Worldwide Intelligence Network logo
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Worldwide Intelligence Network

32B Broad St E, Mount Vernon, NY 10552
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Business Description

Worldwide Intelligence Network is a licensed and insured Private Investigation and Bodyguard Services company in California and New York for 31 years. Their superb reputation is well documented by their testimonials from some of America’s most highly regarded Law Firms and Individual clients from coast to coast. They offer complex litigation support to lawyers, executive-level background investigations to the public, and infidelity investigations. They are highly skilled at locating difficult-to-find individuals across America and around the world. Their Bodyguards are of the highest caliber securing high-profile clients and celebrities worldwide without a single negative incident.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.6
Facebook
5.0 / 5 (7)
Yelp
3.5 / 5 (3)
Google
5.0 / 5 (2)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
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Detail
TIO Square Inc. logo
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TIO Square Inc.

108-14 72nd Avenue, Forest Hills, NY 11375
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Business Description

TIO Square Inc. is a private detective firm and technology agency in Queens that covers New York City, Long Island, and Westchester. Collectively, its investigators have many years of experience in gathering investigative intelligence and forensic evidence for businesses and private clients. Services provided include background checks, witness interviews, surveillance investigations, and fraud investigations. Among its clients are law firms, private individuals, insurance companies, corporations, government agencies, and corporations. Kieffer Ramirez is the director of investigations and information technology. He has more than 18 years of investigative experience.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
5.0
Yelp
5.0 / 5 (9)
Google
5.0 / 5 (6)
Facebook
5.0 / 5 (1)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail
AAA Investigations & Consulting, Inc. logo
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AAA Investigations & Consulting, Inc.

New York City, NY 10036
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Business Description

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.

Affiliated Investigations Corp. logo
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Affiliated Investigations Corp.

Queens Village, NY 11428
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Business Description

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.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.4
Facebook
4.4 / 5 (7)
American Eagle Investigations logo
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American Eagle Investigations

New York City, NY 10004
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Business Description

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.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.5

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail
Beau Dietl & Associates logo
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Beau Dietl & Associates

New York City, NY 10119
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Business Description

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.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.0
Facebook
4.0 / 5 (6)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail
CPI Investigations logo
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CPI Investigations

New York City, NY 10011
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Business Description

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.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
5.0

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail
Gross Investigation Bureau, LLC logo
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Gross Investigation Bureau, LLC

244 5th Avenue, New York, NY 10001
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Business Description

New York City-based Gross Investigation Bureau, LLC, offers private investigative services to organizations and individuals. The experienced staff consisting of forensic examiners, private investigators, analysts, engineers, and electronic technicians has the same goal, which is to deliver quality information research, collection, and analysis. They also specialize in obtaining proof of information. Services include surveillance, witness interview, and forensic investigation. This agency also specializes in missing person, relationship, background, and incident investigations.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
5.0

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail
International Investigative Group logo
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International Investigative Group

55 Maple Ave Suite 304, Rockville Centre, NY 11570
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Business Description

International Investigative Group is a family-owned and operated company in New York City. Private investigators at this firm are dedicated to helping their clients resolve difficult situations like uncovering misdemeanors in a company or gathering evidence for cases. This firm offers all-around security and investigation services such as surveillance, personal investigation, and financial fraud investigation. Established in 1990, this company has handled over 10,000 cases and has been named one of the top 15 investigators in the United States.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.7
Facebook
5.0 / 5 (9)
Google
4.0 / 5 (6)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail
Investigative Solutions LLC logo
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Investigative Solutions LLC

New York City, NY 10001
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Business Description

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).

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail
Investigreat, LLC logo
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Investigreat, LLC

168-09 Jamaica Ave - Office B5 Rear Entrance - 2nd Floor, Jamaica, NY 11432
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Business Description

Investigreat LLC is a firm of private investigators based in the Jamaica area of Queens, New York City. Founded in 2013, it serves clients throughout NYC, Long Island, and Connecticut. The firm is fully licensed, insured and bonded, handling cases for clients who suspect their partner is being unfaithful, or their spouse has failed to pay child support, or in pursuit of missing persons for worried family members. Investigreat LLC provides a 24/7 service for all clients.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
5.0
Google
5.0 / 5 (24)
Yelp
5.0 / 5 (3)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail
J.T. Mullen Private Investigator logo
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J.T. Mullen Private Investigator

New York City, NY 10007
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Business Description

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.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
5.0
Google
5.0 / 5 (1)
JL & Associates, Ltd logo
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JL & Associates, Ltd

521 Fifth Avenue, 43rd Street, New York, NY 10175
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Business Description

JL & Associates. Ltd., provides 24-hour private investigator services worldwide from its central office in New York City. Its specialty is in confidential corporate investigations, including business intelligence, due diligence investigations, white crime, and internal theft investigation. Possessing over 60 years of combined experience, the company's private investigators have backgrounds in law enforcement and intelligence. They have served clients ranging from small businesses to Fortune 500 companies. The firm is a member of the World Association of Detectives and the Council of International Investigators.

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
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Detail
Long Island Investigations logo
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Long Island Investigations

Massapequa Park, NY 11762
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Business Description

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.

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
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New York Investigation Specialists, LLC logo
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New York Investigation Specialists, LLC

Brooklyn, NY 11229
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Business Description

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.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
5.0
RQ Investigations logo
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RQ Investigations

New York City, NY 10019
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Business Description

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.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
5.0

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail
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Frequently Asked Questions

How much do private investigators make?

According to the U.S. Bureau of Labor Statistics, the annual median wage for private investigators in 2020 was $53,320. Entry-level private investigators with only a high school diploma earn around $30,000, while those with a criminal justice bachelor's degree and over five years of experience make up to $84,000 annually.

How long does it take to become a private investigator?

The most direct path for this career is getting a bachelor's degree in criminal justice, which usually takes four years. Then take a one-year internship in an investigative firm to gain hands-on experience. Having done this, you can count yourself as a private investigator.

How do I get a private investigator license?

Different states have different regulations and requirements before issuing a license. Some of the most common qualifications include completing a private investigation course, two years of work experience, no previous criminal record, and weapons permit for armed personnel. Private investigators are also regularly tested to ensure the validity of their certification.

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