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Security for Homes
Security for Businesses

Calder Security is Yorkshire’s leading independent security company, offering a range of security services for homes and businesses.

We are a growing, company offering friendly, personal service with capability across a diverse range of security solutions. All our engineers are employed directly which means that we can guarantee their professionalism, knowledge and experience and that they meet our high expectations in terms of the service they give you.

Accreditations you can trust...

Verify at ssaib.org

Verify at ssaib.org

Check out our Lock and Safe Shop

At our lock and safe shop in Wakefield we sell a wide range of locks, safes and other home security items as well as offering key cutting while you wait. Always staffed by engineers, you can also pop in for advice on your home security.

Our Latest Posts
3rd May 22

Sub-master keys

Locks and keys have been used for centuries to safeguard valuable assets and property against unauthorised access and they continue to be used for the same purpose. From the oldest...

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3rd May 22

Master keys (MK)

Master keys are a fascinating concept that many people often don’t fully understand. How can one key open two doors? Also, how is another key that is opening one of...

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We provide National Contracts

While we are a Yorkshire based company, predominantly covering the Yorkshire region, we have the resources and capability to manage national contracts for multi-site companies.

For further information call us for free on

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