Due Diligence for Banks and Law Firms
Pre-matrimonial Check
Polygraph Tests
Offshore Companies - Bahamas
Forensic Science Lab
Pre-employment Screening
Unfair Competition
Background Check
Internet Friend Identification
Pre-employment Screening
Theft Investigations
(Counter) Surveillance
Offshore Companies - Hong Kong
Offshore Companies - Anguilla
Insurance Claims
Offshore Companies - Cayman
Drug Trafficking
Kidnapping Investigations
Employee Investigations
Product Counterfeit
Spouse Infidelity Check
Offshore Anonymous Companies – Liberia
Product Counterfeit
Business Intelligence
Bank Account Searches
(Reverse) Phone Number Lookup
Employee Investigations
Private Interest Foundations
Intellectual Property
Stalking Investigations
Offshore Companies - Panama
Offshore Bank Accounts
Asset Protection Planning
International Frauds
Computer Monitoring
Phone Number Unmasking
Electronic Debugging
Offshore Companies - Belize
Due Diligence for Banks and Law Firms
Foreign Companies
Ship Registration
Divorce Cases Consulting
International Divorce
Offshore Companies - Nevis
Homicide Investigations
Counter Espionage
Unfair Competition
Offshore Companies - Seychelles
Insurance Claims
Child Abuse and Custody
Armed Robbery Investigations
Extortion and Threats Investigations
Locating Witnesses
Counter Espionage
Search of Evidence and Alibi Check
Offshore Companies - Delaware
Locating Missing Persons
Offshore Companies - BVI
Covert Investigations
Business Intelligence
Offshore Anonymous Companies - Panama
Second Legal Passport
Theft Investigations
Voice Analysis Technology Test
Identity Theft Investigations
Drug Abuse


Background Check and Locate - Phone Number Unmasking

Phone Number Unmasking

harrass stalking private investigator private detective cellular callSet Yourself Free From Harassing Phone Calls With the Help of ISOG Private Investigator

If you are victim of people that harass you, as in the case of stalking , that threaten you, that try to extort you money or else and they do it by calling you by phone with a hidden number, then you can turn to ISOG private investigators and private detectives.
ISOG, in collaboration with its partners, offers an exclusive service to who has necessity to know who is calling his phone number.
Stalking, harassing, continuous rings to one’s own cellular phone with hidden numbers are the principal reasons why people turn to ISOG and find a rapid and effective solution.
How the service works:
  • The client purchases the service for 30 days and a CODE of Activation is given to him.
  • With this CODE the client log in to a website that will be notified to him.
  • He inserts the CODE and activates the service.
  • The client will receive a special phone number to which he will activate the forwarding of the calls.
  • When the client receives a call with ANONYMOUS, he closes (red key) the call and this is diverted to us.
  • Our system deciphers the ANONYMOUS number that has been diverted there and it texts this number, used for making the call, to the client by SMS.
  • The system also memorizes the calling number online on the personal panel of the client, accessible always through CODE. 
If you then want to know who is the owner of the phone number that calls you, ISOG private investigators and private detectives can find you the information of the holder of that number
The service works with cellular and fixed phones. It is  however necessary to verify that your cellular operator allows the forwarding of calls, in case of busy number, to international phone numbers.
Whenever you are victim of anonymous and harassing phone calls, of stalking, of extortion and wish to know the telephone number that is calling you, activate the service “Calling Number Unmasking”.