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Quality security solutions for your commercial and domestic requirements throughout Melbourne.

Call Now 1300 315 522


Electronic security system services, support, installation, reviews and maintenance for businesses, homes and organisations in the Melbourne city area.

Melbourne technician onsite providing home security system services.

Contact Us for Your Free Quote

* Free quotes are available for select suburbs within our Melbourne service area. To find out more and if you're applicable for a free quote, please contact us.

Twenty First Security specializes in electronic security - Installation, maintenance and servicing of access control systems, closed circuit TV equipment and intercom systems, security alarm systems and 24 hour monitoring of your home or business premises against burglary and theft.

When you purchase from us, you become our valued client. Should you have any problems, one phone call to us on our 24 hour contact number and we will arrange any service or maintenance by our own service department.

As a client of Twenty First Security, you will receive friendly, professional and confidential service. The process from the first phone inquiry to the FREE consultation and quote, to the design and installation phase is meticulously planned and carried out by each Twenty First Security team member to provide an unrivalled level of workmanship, service and reliability.

Twenty First Security, as a service company has the advantage of :

  • The stability of a diversified business.
  • Access to a huge range of quality products and spare parts for all your electronic security requirements.
  • Provision of the best plant and equipment for efficiency.
  • Cost saving to the client due to one team providing all services.
  • All our technicians are licensed by both Austel and the Security Industry Registry and trained in the latest security technology.

With over 30 years experience in the electronics industry, you can be assured that Twenty First Security has the knowledge, expertise and experience to be able to advise you on all aspects of security.

ASIAL Member Australian Security Industry Associaton gold member. Bosch Security Certified Partner. 2003 Australian Achiever Awards winner excellence in customer service. 2002 Australian Achiever Awards winner excellence in customer service. 2001 Australian Achiever Awards winner excellence in customer service. 1999 Australian Achiever Awards winner excellence in customer service.