Security Company Cardiff | Security Services | Castell Security Ltd

Professional Security Services in Cardiff

Castell Security Ltd provides professional security services throughout Cardiff, South Wales and the surrounding areas. Our experienced team supports businesses, event organisers, commercial premises, hospitality venues, construction projects, and public sector organisations with reliable and effective security solutions.

Our SIA-licensed security personnel provide a professional and visible presence designed to protect people, property, and assets while maintaining the highest standards of customer service and professionalism.

Whether you require ongoing site security, event security, door supervision, or mobile patrols, Castell Security Ltd delivers dependable solutions tailored to your requirements.

Security Support Across Cardiff

As the capital city of Wales, Cardiff hosts major sporting events, concerts, festivals, hospitality venues, retail centres, and large-scale commercial developments.

Our experienced security teams provide professional security services that help businesses and organisations maintain safe and secure environments while protecting visitors, staff, contractors, and assets.

We work closely with our clients to understand their specific requirements and provide tailored security services that support the smooth operation of their business or event.

Security Services Available In Cardiff

Manned Guarding Services
Mobile Security Patrols
Event Security & Stewarding
Door Supervision
Construction Site Security
Holiday Park Security
Gatehouse Duties
Film & TV Security
Traffic Management

Why Choose Castell Security Ltd?

Welsh-owned security company
SIA-Licensed Security Personnel
Welsh-speaking staff available upon request
Flexible security solutions
Fully insured and professional
24/7 coverage available
Nationwide security support
Family-run business

Security Experience

Castell Security Ltd provides professional security services throughout Wales and the UK, supporting venues, event organisers, hospitality businesses, holiday parks, commercial clients and logistics operators. Below are examples of our experience and recent projects relevant to the services we provide.

Holiday Park Security Services

Learn how Castell Security Ltd supported a major holiday park operator by providing Mobile Patrols, Door Supervision, Overnight Security Cover and Asset Protection.

➡ Read Case Study

Community Arts & Entertainment Venue

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

➡ Read Case Study