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About Us

Calder Security is Yorkshire’s leading independent security company, offering a range of security services for homes and businesses. Established in 1976, our expertise is only matched by our friendly and responsive customer service.

About Calder Security

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.

Because trust is such an important issue when it comes to dealing with your security we can offer a number of assurances from key professional bodies, demonstrating our expertise and accountability. We are members of the Master Locksmith Association (MLA), an Approved Member of the Security Systems and Alarms Inspection Board (SSAIB) and Safe Contractor registered. We also conform to all the relevant British and EU Standards.

Professional Service, Friendly Advice

Security can be complex. Our engineers are qualified and extremely knowledgeable; able to design security solutions that are appropriate for your needs, explained to you in terms that are clear to understand. We’ll never oversell, nor will we recommend any system that fails to meet your objectives.

Our Team
Accreditations you can trust...

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Our Security Services