MK Security & Data

See what local homeowners are saying

• JUJulia26 Feb 2026

  Mark has been our constant go to for all our security needs for many years. He has installed security systems for our home in North Coogee and also the homes of other family members and friends. Mark'...

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  Mark has been our constant go to for all our security needs for many years. He has installed security systems for our home in North Coogee and also the homes of other family members and friends. Mark's workmanship is exceptional and he is very informative of the latest systems. Very reliable and wouldn't hesitate to recommend him.

• GMGautam M20 Jan 2026

  MK Alarms has handled our alarm and camera systems for several years, delivering consistently outstanding workmanship. He provides excellent options without ever compromising on quality. Reliable, pro...

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  MK Alarms has handled our alarm and camera systems for several years, delivering consistently outstanding workmanship. He provides excellent options without ever compromising on quality. Reliable, professional, and trustworthy—I’ve never considered looking elsewhere.

• DPDale P26 Feb 2026

  Decided on MK due to google reviews. Glad I did. Went with full camera system upgrade, alarms & doorbell. Great service, great communication, punctual, professional, friendly. Great job. 100% recommen...

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  Decided on MK due to google reviews. Glad I did. Went with full camera system upgrade, alarms & doorbell. Great service, great communication, punctual, professional, friendly. Great job. 100% recommend.

• JGJessica G10 Feb 2026

  We highly recommend MK Security and Data. We have used MK Security and Data twice, both for alarm systems and CCTV. We chose to use them again as both the work and support are exceptional. Mark is alw...

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  We highly recommend MK Security and Data. We have used MK Security and Data twice, both for alarm systems and CCTV. We chose to use them again as both the work and support are exceptional. Mark is always prompt, efficient, and clean. He has great expertise and provides genuine support and advice to set up a system to best suit your needs and feel safe. They are helpful and responsive with any queries we had or support we needed with the systems. We've recommended MK Security and Data to friends and family, and would suggest them to anyone needing an alarm system or CCTV

• RPRoss P24 Oct 2025

  Our experience with MK Security & Data was exceptional. Mark, the tradesman who installed the security system for us, was skilled and professional, ensuring that everything was done to a high standard...

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  Our experience with MK Security & Data was exceptional. Mark, the tradesman who installed the security system for us, was skilled and professional, ensuring that everything was done to a high standard. Haylee in admin was also incredibly helpful and made the whole process seamless. We highly recommend MK Security & Data for their outstanding service and professionalism. Thank you both!

• AWAndy W23 Sept 2025

  Exceptional service at value prices from a family run business that is totally committed to delivering the highest quality installation and support. I cannot speak highly enough of Mark and his team.