Established in 1989, ISM is a specialist manufacturer of integrated security management systems; the U.K.'s leading developer of integrated security management, intercom and cell call systems. ISM HQ is in West Sussex; the home of our R&D, production, project management and technical support departments. Because ISM manufacture in house, our products are the most reliable in the industry with a failure rate of just .15%.
ISM’s global client base encompasses many of the World's most prominent institutions encompassing local authorities, health establishments, education campuses, shopping centre operators, financial institutions, prison and police authorities.
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