Why security systems should be reviewed every 5–7 years
Most people believe security hardware to be a one-and-done type of deal, where you install the system and forget about it. However, in practice, it is actually a good idea...
Read moreCalder 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.

Most people believe security hardware to be a one-and-done type of deal, where you install the system and forget about it. However, in practice, it is actually a good idea...
Read more
Home and commercial premiums are on the rise due to an increase in security breaches, repair costs, inflation, and even bad weather. According to a 2025 study by Norton Insurance...
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Modern security systems work using a combination of different approaches to keep your property safe from threats. Whether it is CCTV, burglar alarms, or access control systems, all modern security...
Read moreWhile 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.