Thornhill Security Ltd


In 1973 two young inventors were approached by a local woman who had experienced several break-ins and burglaries at her home. The two inventors produced a four way locking system, similar to that of airline doors at the time, thus beginning their business in security systems.

More than 50 years later, and Mul-T-Lock are one of the leading suppliers in the UK, manufacturing a wide range of products such as:

  • Padlocks
  • Locks
  • Vehicle locks
  • Smart handles
  • Intelligent padlocks
  • E-lock cases
Mul-t-lock products from Thornhill Security

Mul-t-lock Security Products

Mul-t-lock pride themselves on creating high quality, innovative and relevant security locks and access control systems across the UK and Ireland.  Like many of our manufacturers, Mul-T-Lock are a trading division of ASSA ABLOY, a global leader in door opening solutions.

If you would like more information and advice about Mul-T-Lock products call 0117 967 4994 to speak to one of our security specialists today.

Mul-t-lock Products

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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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