Security Company Gwynedd | Security Services | Castell Security Ltd

Professional Security Services Across Gwynedd

Castell Security Ltd provides professional security services throughout Gwynedd, supporting businesses, events, holiday parks, commercial premises, construction sites, and hospitality venues with dependable security solutions.

As a Welsh-owned and North Wales-based company, we understand the needs of businesses and organisations operating throughout Gwynedd and are committed to delivering reliable security services with exceptional customer support.

Security Support Across Gwynedd

Gwynedd is home to some of North Wales’ most important tourism, hospitality, construction, and public sector organisations.

Our experienced SIA-licensed security personnel help protect people, property, and assets while providing a visible and professional security presence.

We are also proud to offer Welsh-speaking security personnel upon request.

Security Experience & Case Studies In Gwynedd

At Castell Security Ltd, our team combines practical security experience with real-world operational knowledge gained from supporting businesses, venues, events and organisations throughout Gwynedd and North Wales.

Holiday Park Security Services In Gwynedd

Discover how Castell Security Ltd supported a major holiday park operator in North Wales by providing Mobile Patrols, Door Supervision, Overnight Security Cover, Lone Worker Support and Asset Protection during peak operating periods.

➡ Read Holiday Park Security Case Study

Event Security & Door Supervision At A Multi-Use Venue In Caernarfon

Learn how Castell Security Ltd provides ongoing Event Security, Door Supervision, Crowd Management, Customer Welfare and Access Control services for a busy multi-use venue in Caernarfon hosting live music events, comedy nights, wrestling events, corporate functions and private events throughout the year.

➡ Read Multi-Use Venue Case Study

Welsh Language Festival Security In Caernarfon

Learn how Castell Security Ltd provided Event Security, Door Supervision, Crowd Management, Access Control and Customer Welfare Support for a well-established Welsh language music, literature and arts festival in Caernarfon, helping deliver a safe and successful event that led to an ongoing venue partnership.

➡ Read Welsh Language Festival Case Study

Community Arts & Entertainment Venue

Learn how Castell Security Ltd provides Event Security and Door Supervision services for a busy community arts and entertainment venue in North Wales hosting live music, comedy, theatre and cultural events.

Read Community Arts Venue Case Study →

Ongoing Door Supervision For A Busy Hotel & Licensed Venue

Discover how Castell Security Ltd provides ongoing Door Supervision, customer welfare, ID verification, incident response and venue security support for a busy hospitality venue in Gwynedd with multiple bar areas, outdoor customer spaces and regular weekend entertainment.

➡ Read Door Supervision Case Study

Emergency Event Security Support For An Outdoor Music Event In Talsarnau

Learn how Castell Security Ltd responded with less than 24 hours’ notice to provide Event Security, Door Supervision, Crowd Management, Access Control, Ticket Verification and Event Safety Support for an outdoor music event in Talsarnau after the organiser’s original security provider withdrew at the last minute.

➡ Read Emergency Event Security Case Study