Cornerstone Fire & Security Group Cornerstone Fire & Security are specialists in the Design, Supply, Installation, ongoing support and maintenance of all types of Fire & Security systems for the protection of life and property. Cornerstone Fire & Security are an ISO9001:2015 registered, BAFE SP203 Modules 1-4 and NSI Gold accredited company. We a totally independent company with no alliance to any single equipment manufacturer and therefore able to offer complete objectivity when designing and specifying systems without the limitations of “closed protocol” systems. We offer our clients the choice of market leading technologies, all specifically tailored to meet their individual requirements. Although an independent company, Cornerstone Fire & Security is able to supply equipment to meet all requirements through long established relationships with equipment suppliers worldwide. Please refer to our web site for more information.