• For Intruder Alarms |
  • CCTV Systems |
  • Fire Alarms |
  • Access Control
  • Covering Devon and Cornwall

Commercial Intruder Alarms, CCTV Systems
Fire Alarms & Access Control

Design - Installation - Repairs - Servicing

Plymouth based, award winning, family owned business

Alarmco Security you can trust

We have been providing security alarms, fire alarms and CCTV systems to our customers throughout the South West, for over 25 years. Much of our work comes from customer referrals.

Alarmco have been awarded with multiple industry accreditations including NSI Gold, SSAIB and BAFE, meeting the industry’s highest standards of business and technical expertise. See more of our accreditations on the accreditations page.

We are a Devon & Cornwall Constabulary Compliant Company and offer Emergency Response 24/7, 365 days a year.
  • Intruder Alarms
  • Fire Alarm Systems
  • CCTV Systems
  • Access Control (Video and telephone door entry systems)


Over 13,000 customers since 1994


Years Serving Devon & Cornwall


Over 5000 Alarm Systems Serviced every year

Security Solutions

We take pride in offering competitive quotations, using up to the minute technology and strive to offer a fast response to enquirers in Devon and Cornwall.

Burglar Alarms | Fire Alarms | CCTV Systems | Access Control | Home Security Automation

If you already have a Business / Home Security system or Fire Alarm System which was not installed by Alarmco, but may need to be updated, repaired, modified or serviced, subject to assessment, Alarmco would be pleased to provide the service you require.