Master key systems from professionals

Master key systems and facility security at the highest level

Master key systems define who is authorised to access different doors within a system. EVVA not only offers comprehensive expertise in planning master key systems, but the company's range also includes high-performance master key systems able to illustrate any levels of highly complex authorisation structures.

EVVA master key systems

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What is a master key system?Our information diagram provides answers to central questions surrounding master key systems.Find answers here

Which master key system types are there?


A master key system for organisations illustrates the functional organisational chart of a company. With its very high-performance locking systems, EVVA can even replicate extremely complex organisational structures. The objective of a master key system is to boost the convenience and security and cut the administrative efforts.


The special characteristic of a master key system for residential complexes is that all residents have access to the main entrance, basement, letter box as well their own property using only a single key. This boosts convenience and simplifies management. Individual locks for service engineers can also be integrated.

4KS. More robust. Stronger. More secure.

Security for the toughest conditions

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