Defender Security Services Ltd started trading in 2014 after many years in the industry. We aim to be the best provider locally for Intruder Alarms, CCTV, Access Control, Fire Alarms, Emergency Lighting and through carefully selected partners we also provide Fire Extinguisher Maintenance and Keyholding Services. We are currently the only company in the village with SSAIB accreditation, and one of only 2 in the south Sheffield area.