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With 40 years of experience, the detective agency United Private Investigators - Pontikakis Gregorios, based in Athens, offers, with full responsibility, respect and, above all, discretion, quality services in the domain of private investigation.

We provide 24-hour services all over Greece and abroad, contributing in the direct and effective settlement of every issue that concerns you.

 Our many years of succesful services until today prove that we can handle even the most difficult cases. Our highly trained associates, private investigators– detectives, are always available in order to help you deal with every issue of yours.


Having a great experience in investigations and remote sound and video recording and with the use of ultramodern electronic equipment we offer a multitude of specialised services such as, among others, tracing of electronic surveillance, as well as tracing and detection of mobile phones (cell phones) and fixed telephones.

A visit to our agency offices for free suggestions and advice will be sufficient for you to trust us. We are able to carry out sound investigations, not only in Athens, but all over Greece and abroad and to make to you professional proposals that you may not be aware that they exist. Our certain results and our fully satisfied clients, consist the best form of advertisement for us. In all cases, the payment for the services takes place after the completion of the investigations.

​Ministry of Public Order License No. 4891/7/1/36δ’