Dény Security

The global solution for all your access!

Created by a merger of the company FONTAINE, prestigious luxury designer locks, and DENY, innovative company since its creation in mechanical locks, electrical and electromagnetic, Dény Security specializes in securing access, especially in electrical programming.

Dény Security is aimed primarily at companies receiving public (ERP) such as hotels, hospitals, airports, rail transport, cultural facilities, schools, etc ...

Dény Security in some figures


keys manufactured
each day

2 Millions

of screws
bought in 2014


date of the oldest masteykey system still operating


Masterkey systems opened since 1740

23534 K€

in 2014

16 %

of the turnover realized overseas

Dény Security in some dates

  • 2015
    Dény Fontaine evolves  and becomes Dény Security.
  • 2002
    Merger of Dény and Fontaine to form Deny Fontaine SAS.
  • 1999
    Dény invents the lock with magnetic card reading or badge.
  • 1991
    Centenary of the company DENY.
  • 1981
    Integration of electronic cards in the locks
  • 1975-1980
    All French nuclear plants equipped with Dény.
  • 1947
    Dény is developing a system of electromagnetic locks.
  • 1884
    Charles DENY imagines the principle safety locks operated by a hierarchical key system, running on partial passes and generals. He studied the calculation combinations.
  • 1740
    Creation of FONTAINE.