# Master key system

A term used when buying locksmith.

A keying hierarchy giving one key access to many locks, administered for a fee.

A master key system is administered trust: records of who holds what, a keying chart the building depends on, and scheduled rekeying when people leave. The administration recurs and billing follows it, which is why institutional key accounts are the durable end of the trade. Verify the records exist in writing and transfer with the business, because a system that lives in the seller's memory is a liability wearing a revenue line's clothes.

Part of: Buying a Locksmith Business (https://searchspheresource.com/guides/buying-a-locksmith-business)

Source: https://searchspheresource.com/guides/buying-a-locksmith-business/terms/master-key-system
Not dated: The same editorial definitions as the glossary, inside a trade.

Site index for machines: https://searchspheresource.com/llms.txt