Welcome to Guardian Security & Fire. Established in 1987 and accredited to the highest industry standard we specialise in the installation and maintenance of electronic security and fire systems. Our customers range from small residential homes to large multi-site businesses and everything in between. With a team of engineers across London and the South East we can provide fast and effective service to our customer base. Our products include burglar and intruder alarm systems cctv systems fire alarm systems access control door entry systems system maintenance system monitoring