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Confidential & Recommended Private Investigator Services Since 1967

Our Experience, Expertise, and Reliability


Since 1967 - International Counterintelligence Services, (ICS) Inc stands for excellence.


Who? What? Where? When? Why?

International Counterintelligence Services, Inc. (ICS), is one of the few professional private investigation agencies serving private clients, small business, government, commercial, corporations, legal, and insurance industries. ICS is a proud multiple government contract holder in the United States and other parts of the world. ICS is also a security consulting and licensed investigations agencies, originally founded in 1967.  As part of this longevity, we provide several investigative core competencies and are considered a full-service firm.

"The ICS mission is to provide professional private investigations anywhere in the world at any time and report our findings in a timely and accountable manner."


We operate--and offer confidential free consultations--seven days a week and all holidays, for many types of investigations. ICS utilizes state-of-the art equipment and techniques to offer a variety of services, including but by no means limited to eavesdropping & espionage countermeasures, undercover investigations, professional surveillance, background investigations and security consulting. When ICS clients need to draw on the expertise and experience of an investigator or a security consultant, it is with ICS that they quickly and effectively gain the edge.

History of International Counterintelligence Services, Inc.

Accredited Private Investigator

Founded in 1967 by Mr. W. David Rabern, CPP, PPS, CFS, CHS. (Certified Protection Professional, Personal Protection Specialist, Certified Fraud Specialist, Certified in Homeland Security). Mr. Rabern is a renowned private investigator, protection professional, security consultant, and expert witness. His original philosophies of investigative method, security consulting, and protection work, combined with his real-life case experiences materialize in the ICS Method of Approach. This Method of Approach is modified from time to time to meet the needs of each investigative assignment; however, its core principles create an environment to provide reliability for ICS clients. Mr. Rabern passed on this Method of Approach to many investigators in his care over the years. Often copied but not successfully duplicated outside of ICS, the ICS Method of Approach lives on in ICS and now, with the introduction of Mr. Rabern's son Michael D. Rabern, QP (Qualified Party Private Investigator) into the executive staff, the Method of Approach will continue to be successfully implemented.  Mr. Michael Rabern, once described as a spy-master protégé, has participated in the company for more than 14 years; he is now the president of the company.  One principle these Raberns espouse is that ICS does not rely on one expert, but many.  ICS maintains an elite team of experienced private investigators, analysts, and consultants worldwide.

Using this teamwork approach, ICS has become one of the largest and most prestigious agencies of its kind. Headquartered in Scottsdale, AZ (United States), ICS maintains a working relationship with thousands of affiliates and associates throughout the world, all of whom comply with the ICS ethical and professional standards. ICS has been involved in more than 110,000 investigations, intelligence, and counterintelligence operations of full or limited assignment since it was founded in 1967.

Experienced Private Investigators

The ICS investigative experience is diverse and it exemplifies our ability to successfully and reliably handle cases, create and foster theory, and execute clients' instructions in a timely manner. Many of our agents are members of Bilingual Private Investigators group and are  cultural-, national-, and gender-diverse.

The unique ICS investigative method, experienced elite management team, and real-world solutions are key elements of our success. All of our clients can be assured that ICS and its staff will handle their matters and themselves with professionalism above and beyond their expectations. In addition to our corporate and private concern experience, ICS is a current multiple contract holder with many government agencies. We are highly qualified in multiple-scope assignments with ongoing contractual periods.

How We Staff

Reliability is enhanced by a unique staffing solution. ICS uses a professional and competent approach to hiring investigators, using its present private investigators to screen new investigators. By utilizing operatives who have extensive backgrounds in law enforcement, intelligence gathering, counterintelligence, military, specialized experience (i.e. accounting, security, finance, etc.), and consulting, ICS is assured of maintaining a quality and reliable staff.

Surveillance Investigator

ICS investigators must pass a rigorous screening and training process. Private Investigators, regardless of experience, are trained in all aspects of their specific scope of expertise by ICS. This team makes up the elite-of-elite philosophy of ICS staffing. At ICS, we do not generally publish profiles of our staff in the spirit of confidentiality. However, interested parties may review several agent profiles representing a typical cross-section of our abilities and experience by viewing the talent section of our website. Also, ICS is always accepting resumes from either licensed or non licensed private investigators through our private investigator jobs section on the website.

Insurance, Bonded, and Licensed

ICS meets all insurance requirements of errors and omissions, general professional liability, and workers' compensation, and is fully bonded and licensed as a private investigative firm. We have nationwide and often international geographic coverage for the majority of services offered.

When you decide to rely on any investigative solution, you must be fully confident in our ability to keep your case confidential, be discreet, be available, and most of all get results! When you decide to contract ICS you can be assured you're receiving the best we have to offer. Regardless of whether you're a business or an individual, ICS is a company you can trust. Our organizations follow the spirit and intent of the governments' laws in which we operate. You can rest assured your case and its evidence will be acquired and analyzed in compliance with all local, state, and federal laws.


Recent Employment Applications

  • Private Investigator Internship *Intern

    Riverside, California, United States08/19/2017

  • Private Investigator Internship *Intern

    San Clemente, California, United States08/18/2017

  • Experienced Private Investigator

    Richmond, Virginia, United States08/18/2017

  • Private Investigator Internship *Intern

    Kirksville , Missouri, United States08/18/2017

  • Senior Investigator Case Manager

    Los angeles, California, United States08/18/2017


Recent Investigation Inquiries

Origin Investigation Location Case Type
Bakersfield, California California, United States Child Custody and Visitation Investigations
Norfolk, Massachusetts Massachusetts, United States Background Checks (Online Dating)
Honolulu, Hawaii Germany Background Investigation
Illinois Illinois, United States Adultery or Infidelity Investigations (Marital)
Burtonsville, Maryland Maryland, United States Adultery or Infidelity Investigations (Marital)
Bedford, New Hampshire New Jersey, United States Other Private Investigator Case
Montclair, New Jersey Sweden Child Custody and Visitation Investigations
New Orleans, Louisiana Louisiana, United States Other Private Investigator Case
Hardyville, Pennsylvania Pennsylvania, United States Other Private Investigator Case
Seymour, Indiana Indiana, United States Arson or Fire Loss Investigation

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Find a Private Investigator by Closest Region

The ICS private investigator network can manage your case locally or across multiple jurisdictions. Your case will be worked by qualified and licensed private investigators where applicable. Through the innovative ICS Licensee Program, we are able to provide local private investigators in several states. Not all services are available in all areas. All private investigators can be identified upon request according to State law. Find a local Private Investigator:

Birmingham
Huntsville
Mobile
Montgomery
Fairbanks
Chandler
Flagstaff
Glendale
Mesa
Peoria
Phoenix
Scottsdale
Tempe
Tucson
Little Rock
Anaheim
Bakersfield
Beverly Hills
Chula Vista
Fremont
Fresno
Glendale
Huntington Beach
Irvine
Long Beach
Los Angeles
Modesto
Newport Beach
Oakland
Orange County
Riverside
Sacramento
San Bernardino
San Diego
San Francisco
San Jose
Santa Ana
Stockton
Aurora
Colorado Springs
Denver
Fort Collins
Thornton
Westminster
Bridgeport
Greenwich
Hartford
New Haven
Stamford
Waterbury
Dover
Wilmington
Washington
Cape Coral
Clearwater
Fort Lauderdale
Gainesville
Hollywood
Jacksonville
Miami
Orlando
St Petersburg
Tallahassee
Tampa
Athens
Atlanta
Augusta
Columbus
Savannah
Hilo
Honolulu
Kailua
Maui
Oahu
Boise
Addison
Aurora
Chicago
Joliet
Kankakee
Naperville
Oak Park
Peoria
Rockford
Schaumburg
Springfield
Waukegan
Evansville
Fort Wayne
Gary
Indianapolis
South Bend
Terre Haute
Cedar Rapids
Davenport
Des Moines
Kansas City
Overland Park
Topeka
Wichita
Frankfort
Lexington
Louisville
Baton Rouge
Lafayette
Metairie
New Orleans
Shreveport
Portland
Annapolis
Anne Arundel County
Arnold
Baltimore
Chevy Chase Village
Columbia Ellicott City Elkridge
Crofton Crownsville
Silver Spring
Boston
Cambridge
Lowell
Springfield
Worcester
Ann Arbor
Dearborn
Detroit
Flint
Grand Rapids
Lansing
Sterling Heights
Warren
Apple Valley
Duluth
Minneapolis
St Paul
Jackson
Branson
Columbia
Florissant
Independence
Jefferson City
Kansas City
Springfield
Billings
Lincoln
Omaha
Carson City
Henderson
Las Vegas
Paradise
Reno
Spring Valley
Sunrise Manor
Manchester
Edison
Elizabeth
Jersey City
Newark
Paterson
Trenton
Albuquerque
Albany
Buffalo
New York City
Rochester
Syracuse
Yonkers
Cary
Charlotte
Durham
Fayetteville
Greensboro
Raleigh
Winston Salem
Bismarck
Fargo
Akron
Canton
Cincinnati
Cleveland
Columbus
Dayton
Marietta
Sandusky
Steubenville
Toledo
Youngstown
Norman
Oklahoma City
Tulsa
Bend
Eugene
Portland
Salem
Allentown
Bethlehem
Erie
Gettysburg
Harrisburg
Hershey
Norristown
Philadelphia
Pittsburgh
Providence
Charleston
Columbia
Sioux Falls
Brentwood
Chattanooga
Clarksville
Davidson County
Gallatin
Knoxville
La Vergne
Memphis
Mount Juliet
Murfreesboro
Nashville
Smyrna
Amarillo
Austin
Corpus Christi
Dallas
El Paso
Fort Worth
Houston
Lubbock
Plano
San Antonio
Ogden
Provo
Salt Lake City
West Valley City
Burlington
Alexandria
Arlington
Chesapeake
Fairfax
Hampton
Loudoun
Newport News
Norfolk
Northern Virginia
Prince William
Richmond
Roanoke
Suffolk
Tidewater
Virginia Beach
Bellevue
Olympia
Seattle
Spokane
Tacoma
Vancouver
Charleston
Green Bay
Madison
Milwaukee
Cheyenne
Calgary
Edmonton
Strathcona County
Abbotsford
Kelowna
Vancouver
Victoria
Brandon
Winnipeg
Fredericton
Moncton
Saint John
Conception Bay South
Corner Brook
Gander
St Johns
Yellowknife
Amherst
Cape Breton
Halifax
Barrie
Brampton
Chatham Kent
Guelph
Hamilton
Kingston
Kitchener
London
Oshawa
Ottawa
Peterborough
St Catharines
Sudbury
Thunder Bay
Toronto
Windsor
Charlottetown
Summerside
Laval
Longueuil
Montreal
Quebec City
Saguenay
Sherbrooke
Trois Rivieres
Prince Albert
Regina
Saskatoon
Whitehorse
Beijing
Chongqing
Hong Kong
Macao
Shanghai
Tianjin
Barranquilla
Bogota
Cali
Cartagena
Medellin
Pereira
San Salvador
Bangalore
Chennai
Delhi
Hyderabad
Kolkata
Mumbai
Kiev
Sevastopol
Abu Dhabi
Limon
Puntarenas
San Jose

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