Castell Security

Castell Security is a Welsh-owned, family-run security company with offices in North Wales and South Wales. It provides manned guarding, mobile patrols, key holding and alarm response, door supervision and event security. Its services also include construction site security, retail security, vacant property security and close protection. The company covers Wales and England, including the North West and South West.

Castell Security works across sectors including holiday parks and leisure, film and television productions, hospitality, the public sector, commercial premises, construction and healthcare. It also works at festivals and live events, corporate functions, and agricultural and rural events. The company is CHAS accredited and uses SIA-licensed security personnel. Welsh-speaking personnel are available, and female door supervisors can be provided on request. Its directors work frontline shifts, and the company offers 24/7 availability.