From Montauk to Coney Island
&
Worldwide
We Are Long Island’s Private Eyes

Available 24/7 1-888-698-0077

Radius Investigations’ Private Investigators serve the Long Island and New York City communities.

Request a Free, No Obligation Consultation From Our Long Island Private Investigators

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Radius Investigations – Your Long Island Private Investigators

We are Radius Investigations Inc., born and raised on Long Island, New York, and centrally located in Hauppauge to stay close to our roots. Our agency of private investigators are committed to providing quality and transparent private investigation and security services to our local communities. Our clientele are as diverse as the Long Island community, including law firms, small-to-medium sized businesses, local and multi-national corporations, private clients, high-profile clients, financial professionals, religious institutions, and non-profits.

Our Lead Investigator

Meet Matthew Seifer: Expert Licensed Private Investigator, Registered Armed Guard, Technical Surveillance Countermeasure (TSCM) Specialist, and NYS DCJS Certified Instructor

Matthew Seifer formed Radius Investigations in 2007. He is a self-employed business owner, retired from the U.S. Army, and has over 26 years in the private sector. Matthew has established a national and international network of licensed professionals that are from law enforcement, private investigation, government, insurance industry, civil and criminal legal community, community activists, small business owners, and clients. With his expertise and network, he can ensure that your needs will be answered anywhere in the world at anytime.

Seifer has been described as dedicated, compassionate, receptive, trustworthy, and diligent with his clients and community. He oversees every case and will follow through until the client has the answers they need to make an educated and informed decision.

Why Choose Us?

Simple. We Are “No Bull”:

We are here to find answers, not take you for a ride.

We set ourselves apart from the rest with these simple rules:

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Responsive

From the moment we make contact, we provide top-quality services from bonded and licensed private investigators that deal in facts. We offer advice and solutions that will achieve the results you need for your case, not just sell you unnecessary fluff. Our final reports are comprehensive, thorough, and get straight to the point.

Transparent

We don’t run and hide. We work with you every step of the way in getting intelligence. All of our clients have access to our online portal where you can view any recent updates to your case, as well as any video or photo documentation. We are available 24/7 to assist you and answer questions to your case.

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Committed

As a veteran owned agency, we take on the military philosophy of never giving up and working as a team. We will work tirelessly and access our vast amount of resources and networks to give you the information you need to make informed decisions on your situation.

Compassionate

From our national and local charity work to you, our compassion towards your search for answers will never leave you feeling like nothing more than a number or case file. When you speak with us, we listen intently to understand your situation and give the best advice and strategies for your case, not just wait for you to stop talking so we can make our point.

What Our Clients Say About Us:

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“I’m someone that was been involved with Law Enforcement for over 25 years including a career with the NYPD as a front line supervisor as a Sergeant in the NYPD. I can tell you from firsthand experience, both personal and professional dealings with Mr. Seifer, he is a true professional in his field, however he has a great asset that is truly lacking out there lately, that is… “Honesty & Integrity”. If he promises you something he delivers! He is always prompt, courteous, and highly competent to handle any task he’s given. He can be trusted with the most sensitive of issues to the most routine.”

Larry Boritz New York State Regional Director at United Studios Of Self Defense May 13, 2017

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 Our expertise is unmatched. Here are a few of our many specialty services:

  • Corporate Investigations
  • Matrimonial Investigations
  • Child Custody Investigations
  • Criminal Investigations and Litigation Support
  • Surveillance and Undercover Investigation

  • Computer, Smartphone, and iPhone Forensics
  • Social Media Investigations
  • Bug Sweeping (TSCM)
  • Data Retrieval and Acquisition
  • Digital Evidence and e-Discovery
  • Cyberbullying / Harassment Investigation

  • Personal Background Checks
  • Employee Background Checks
  • Business Intelligence
  • International Investigations
  • Nanny Background Checks
  • Caregiver Background Checks
  • Tenant Background Checks

  • Security Threat Assessments
  • Private Security Services
  • Surveillance
  • Aerial Drone Surveillance
  • Stalking and Harassment Investigation
  • Threat Investigation

  • Careers at Radius Investigations
  • Private Investigator Introductory Course
  • NYS Private Investigator License Exam Prep
  • Security Armed Guard Training (starts September 2017)

Who We Are

Radius Investigations has a network of associate investigators and confidential sources throughout all of North America, Europe, Latin America, Africa, the Asia Pacific Region, and the Middle East. This ensures that we can provide responsive, timely, and accurate investigations anywhere our clients’ needs may take us.

Our experienced team of professionals are licensed, bonded, and insured to conduct surveillance and all other forms of investigations in New York, across the United States, and Globally. Our primary office is located on Motor Parkway, Hauppauge, in Suffolk County, Long Island, NY, with easy access to Long Island, New York City, Manhattan, Queens, Brooklyn, the Bronx, Staten Island, New Jersey, and Westchester.

Clients of Radius Investigations receive a user name to log in to a secure portal in order to see how their cases are progressing. The online portal also provides our clients with the ability to watch evidentiary videos, receive updates, and monitor the status of their case through our fully-encrypted and secured website.

Our investigators are dedicated to keeping clients informed throughout the entire investigative process. We believe that by maintaining communication, we can better assist clients and provide peace of mind during otherwise stressful situations. Radius Investigations offers clients discipline, quick-thinking, and a strong work ethic dedicated to preserving clients’ privacy and confidentiality, while pursuing the objective facts with the utmost integrity.


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Radius Investigations Inc

150 Motor Parkway, Suite LL20

Hauppauge, NY 11788

1-888-698-0077

FREE CONFIDENTIAL CONSULTATION

LICENSED, BONDED, & INSURED

VETERAN OWNED AGENCY

AVAILABLE 24/7

 

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