We take care of all the design, installation, commissioning and ongoing maintenance of your Fire and Security systems, giving you the peace of mind that you are always safe and protected. Call Sigma today to arrange for a free site survey and no obligation quote from a fully certified and qualified organisation with an experienced and professional workforce. No job is too big or too small as we specialise in bespoke solutions. SIGMA has quickly established itself as a market leader putting emphasis on providing its customers with fully supported, cost effective and innovative turnkey solutions, from the point of inception of an idea to a working system, with special emphasis on quality and performance.