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Master Key System

Assa Abloy master keys

Master Key Systems are a series of locks individually keyed, but also accessible using an overriding Master Key.

The systems are hierarchical and restrict access that people have to different areas of a building. For example, a manager may be able to open all doors in a building whereas a staff member may only be able to open the front door and their office door. The following formats are available: 

Master Key Lock System

  • Grand Master Key: Access to all locks, all departments, all sites

  • Master Key: Access throughout a single building/department

  • Keyed to Differ: Key Access to individual offices

In a world increasingly challenged by security threats, the need for comprehensive locking systems has become an essential requirement in virtually every market sector. From government buildings and Police Stations to public institutions such as Hospitals and Schools and Universities, there is a growing demand for superior locking solutions that address a wide range of complex and sensitive issues.

At Independent Locksmiths & Security we are experts in the design and installation of Electronic and Mechanical Master Key Systems for our clients. We follow strict guidelines to ensure a keying system is not comprised, by verifying that the authority criteria has been met prior to keys being issued.  

Restricted keying and design of master key systems is our specialty.


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