Keyholding and alarm response across North and Mid Wales since 1997

When your alarm goes off at 3am, you need someone who knows the building, knows the area and answers the phone. Keywise Security Cyf has been that call for organisations across North and Mid Wales for more than 25 years — from sole traders with a single site to local authorities and healthcare providers.

We’re a family-run, fully insured security company based in the heart of Snowdonia, with SIA-licensed security personnel providing keyholding, alarm response, mobile patrols, static guarding, lock and unlock services and void property checks.

Why organisations choose us

Always on — 24/7 keyholding and alarm response, every day of the year.

Local and accountable — based in North Wales, not a distant call centre.

Family-run since 1997 — three generations committed to dependable service.

Call us on 0333 733 2525 or request a quote.

Explore our full range of security services across North and Mid Wales.