S.E.I. IS ONE OF THE UK'S LEADING CCTV AND SECURITY SYSTEM SUPPLIERS AND INSTALLERSOur extensive range of first class products at unbeatable prices combined with our fully trained, professional staff and technicians represents the most complete and superior security solutions available.CCTV is now commonplace in most environments with a vast array of equipment available. As a professional installation company, we can provide the best solution to meet your requirement and budget. At S.E.I. customer care and satisfaction are paramount and we continue to strive proactively to improve our methods and systems. We pride ourselves in our after sales service and maintenance contracts which we firmly believe are unsurpassedContactTel. 0141 959 5999