{"id":"security-companies-calgary-2026","name":"Best Security Companies in Calgary","category":"Security Companies","location":{"city":"Calgary","province":"Alberta","country":"Canada"},"canonical_url":"https://bests.ca/best/security-companies/in/calgary","publication_type":"algorithmic","methodology_version":"security-companies-ab-v1","evidence_cutoff_at":"2026-08-20T22:30:00.000Z","published_at":"2026-08-20T23:00:00.000Z","maximum_positions":3,"positions_published":3,"positions":[{"rank":1,"entity":"United Alarm","entity_type":"Organization","descriptor":"Calgary-owned installer and monitoring operation active since 1990","best_for":"Homes and businesses needing a locally accountable monitored system","why_it_ranks":"A resolved Calgary operator, ULC-listed installation and monitoring scope, live local service path, residential and commercial takeover capability, fire and burglary certification context and direct support produce the densest end-to-end record.","decision_notes":["Installer, monitoring centre, platform and response provider resolved","Licence, system design, verification, contract and service path checked","Awards, response guarantees and crime-prevention promises excluded from proof"],"profile_url":"https://bests.ca/best/security-companies/in/calgary/profile/united-alarm-calgary","verification_url":"https://bests.ca/verify/security-companies-calgary-2026/united-alarm-calgary","bests_score":null,"confidence":null,"proof_index":null,"consensus":null},{"rank":2,"entity":"Supreme Security","entity_type":"Organization","descriptor":"Calgary alarm company using full-time technicians and published packages","best_for":"Households comparing custom design with visible entry pricing","why_it_ranks":"Local service since 1985, employed-technician disclosure, alarm, camera, access and fire-monitoring scope, visible package components, activation and monthly price examples and direct support earn second place; exact term and monitoring centre still govern.","decision_notes":["Installer, monitoring centre, platform and response provider resolved","Licence, system design, verification, contract and service path checked","Awards, response guarantees and crime-prevention promises excluded from proof"],"profile_url":"https://bests.ca/best/security-companies/in/calgary/profile/supreme-security-calgary","verification_url":"https://bests.ca/verify/security-companies-calgary-2026/supreme-security-calgary","bests_score":null,"confidence":null,"proof_index":null,"consensus":null},{"rank":3,"entity":"AlarmTek Smart Security","entity_type":"Organization","descriptor":"Calgary service operation for alarms, cameras and connected controls","best_for":"Existing-system takeovers and mixed alarm-camera projects","why_it_ranks":"A local installation and ongoing-monitoring path, life-safety sensors, access control, video and app integration create a credible third option. Hardware ownership, installer code, cloud retention and the actual monitoring centre must be written into the quote.","decision_notes":["Installer, monitoring centre, platform and response provider resolved","Licence, system design, verification, contract and service path checked","Awards, response guarantees and crime-prevention promises excluded from proof"],"profile_url":"https://bests.ca/best/security-companies/in/calgary/profile/alarmtek-calgary","verification_url":"https://bests.ca/verify/security-companies-calgary-2026/alarmtek-calgary","bests_score":null,"confidence":null,"proof_index":null,"consensus":null}],"interpretation":"Null metrics have not been published. A Bests list may contain fewer than three positions when the evidence gate does not support another entry."}