Security Company Rhondda Cynon Taf | Security Services | Castell Security Ltd
Professional Security Services Across Rhondda Cynon Taf
Castell Security Ltd provides professional security services throughout Rhondda Cynon Taf (RCT), supporting businesses, commercial premises, events, construction projects, hospitality venues, and public sector organisations with reliable and effective security solutions.
Our experienced SIA-licensed security personnel provide a professional and visible security presence designed to protect people, property, and assets while maintaining the highest standards of professionalism.
Security Support Across The Valleys
Rhondda Cynon Taf is one of the largest local authority areas in Wales and includes a diverse range of communities, businesses, industrial sites, retail premises, public venues, and construction projects.
Our professional security teams provide flexible security solutions tailored to the needs of organisations across the region, helping to maintain safe and secure environments while reducing the risks associated with theft, vandalism, trespassing, and anti-social behaviour.
Areas Covered
- Pontypridd
- Treorchy
- Tonypandy
- Porth
- Ferndale
- Mountain Ash
- Aberdare
- Llantrisant
Security Services Available
- Manned Guarding Services
- Mobile Security Patrols
- Event Security & Stewarding
- Door Supervision
- Construction Site Security
- Holiday Park Security
- Gatehouse Duties
- Traffic Management
Why Choose Castell Security Ltd?
- Welsh-owned security company
- Welsh-speaking personnel available upon request
- SIA-Licensed Security Officers
- Fully insured security services
- Family-run business
- Flexible security solutions
- 24/7 service availability
Contact Castell Security Ltd
For professional security services across Rhondda Cynon Taf, contact Castell Security Ltd today to discuss your requirements.



