Could strategic gardening strengthen your security?
How defensive planting could reinforce your external home security.
Read moreSecurity 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...
Our Latest Posts
12th Mar 19
Calder Security supports the Ossett Beercart again
We will be sponsoring the Beercart Festival once again when it comes to Ossett on 31st May/1st June. Look out for our prize draw for tickets and beer tokens!
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8th Mar 19
The woman who invented the home security system
It’s probably fair to say that security tends to be male dominated, however on International Women’s Day we are delighted to pay tribute to a woman who has a huge legacy in security and deserves recognition. On International Women’s Day, we pay tribute to Marie Van Brittan Brown.
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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.