Thornhill Security Ltd


In 1840, Union was founded in the town of Willenhall; the heart of British lock-making for over four centuries.

Priding themselves on innovative design principles and constant product development to ensure their consumers peace of mind, Union has an extensive range of architectural products for both commercial and contract applications.

Union are also a trading division of ASSA ABLOY , a global leader in door opening solutions dedicated to satisfying end-user needs for security, safety and convenience.

Union Locks from Thornhill Security Bristol

Union products include:

  • Hinges
  • Door closers
  • Rim locks
  • Mortice locks
  • Access control
  • Padlocks
  • Cabinet locks

As an approved supplier of Union locks, Thornhill Security Ltd have a detailed understanding of all their products to enable us to advise you on the right product for you.

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What our Customers say ...

"I would like to say how professional the locksmith was that came and fitted my new front door lock yesterday. I will definitely recommend your company to people in the future.”
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