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Master Key Service

We provide a wide range of master key services in the South Yorkshire area. These master key & lock services include:

  • Master Key System installations. – We sit down with you and can advise you on the best master key system to implement for your needs. We can design and implement a hierarchical master key stem where some keys only open specific doors or alternatively we can implement a system where one key open all the doors.
  • Master Key Cutting – We can make replacement keys when supplied with the required documentation to cut master keys.

Master Key System Design

We will design a master key system, so that certain keys will open specific groups of locks only and other locks can be keyed to open a separate keys plus the master key.


Example 1 – Hierarchical Group Keys


Example 2 – Master Key, Hierarchical Group Keys & Individual subordinate keys



Example 3 – Master Key Only