Home Security Systems

Who are we?


Shop with confidence knowing that we place the needs of our customers at the forefront of every decision we make and action we take.  


Your satisfaction, guaranteed. With fair, open, and honest communication, we strive to live up to all of our promises. 


Owned and operated by Stephen Karchut and his team of dedicated Security Professionals, Alarmtech strives to promote excellence in everything we do. 


Your needs are unique, and you deserve a personalized solution. We will always consult you to understand what you require and help educate you on the best solutions available.


Partnered with the market leaders in security technology, we provide the best product to ensure you always receive the highest quality security solution available.  

Why Choose Us?


Alarmtech is a renowned and trusted provider of comprehensive security solutions in London, Ontario. With a steadfast commitment to safeguarding homes and businesses, Alarmtech has been serving the region for over three decades, earning a stellar reputation as a leading security company.


At the core of Alarmtech’s success lies their team of highly skilled and experienced professionals who are dedicated to delivering top-notch security services. Their technicians possess a deep understanding of cutting-edge security technologies and are adept at tailoring solutions to meet the unique needs of each client. Whether it’s a residential property or a commercial establishment, Alarmtech offers a wide range of security options.


A key aspect that sets Alarmtech apart is their unwavering focus on customer satisfaction. They prioritize open communication with clients, conducting thorough assessments to identify vulnerabilities and design personalized security plans.


The company’s dedication to staying ahead of the curve in terms of technology and industry trends is evident in their continuous investment in research and development. By collaborating with leading manufacturers, Alarmtech can offer the latest innovations in security systems, granting customers peace of mind with state-of-the-art protection.


Beyond their technical expertise, Alarmtech is deeply ingrained in the local community. They actively participate in community initiatives and charity events, further solidifying their commitment to making London, Ontario, a safer place for all residents.


Alarmtech is a trusted pillar of security in London, Ontario. With a legacy of excellence spanning decades, Alarmtech strives to make every space a safe space.

Our Team

Meet our team of committed professionals.


Stephen Karchut – Leader, Owner

Stephen Karchut grew up in Burlington, Ontario. During his childhood, he always had a fascination for technology and learning how to put things together. Growing up, Stephen volunteered with various organizations, notably the Sound of Music Festival and Autism Ontario. Stephen holds a Bachelor of Fine Arts in Photography and a minor in First Peoples’ Studies from Concordia University, Montreal, as well as an Advanced Certificate in Occupational Health and Safety from the University of Calgary. After graduation, Stephen started to work as an independent contractor for various local governments doing their security infrastructure. Stephen currently sits on the Canadian Security Association (CANASA) South West Ontario Regional Board of Directors. 


Technical/Installation Team

Our technical staff receive training through CANASA, and we provide ongoing workplace training. Our technicians are among the first in the country to receive the latest and greatest tools, training, and devices. Our talents include installing life safety devices, alarm system design and implementation, and CCTV for consumer and commercial enterprises. 


Security Consultants

Our sales consultants are educated regarding equipment features and functions as well as statistics and procedures. We provides free, no-obligation on-site sales consultations and written quotes. We are proud to sell the industry-best equipment, and we stand behind our installations with ongoing support and assistance.


Customer Care

Our office staff is available to answer questions about signal history, call lists, payment options, and more. We answer our phones live during the day and route them to the monitoring station after hours so you can always talk to someone about your system. 24-hour emergency service is available upon request.