Our Clients

Trusted By Recognised Brands

Trusted By Recognised Brands is the result of long-term relationships built through professional security support, consistent standards, and real operational confidence.

Client Partners

AU Vodka

Event and venue-focused support delivered by professional teams who understand fast-paced operational environments.

Cancer Research UK

Reliable security presence and people-first service standards aligned with high-traffic public-facing operations.

Testimonials

"Cancer Research UK have worked with Cautela Diamond Security LTD since 2010 on our mass participation events including Race For Life, Pretty Muddy and our Shine Night Walk series. Paul, Darren, Patricia and the rest of the team have provided full stewarding and security management for us at some of our biggest UK events over the years and we wouldn’t hesitate to recommend them. Their attention to detail, proactive work ethic and communication in the lead up to and on the day of the event is second to none. We are so proud to work with them year in and year out and to know that we can deliver our events to the best they can be with them is brilliant."

Sophie Heath | Senior Area Event Manager | Cancer Research UK

"I have used Cautela Diamond since coming to Cardiff, they have over time proved to be nothing but an asset to our business. Their staff are the ultimate professionals and a pleasure to work along-side. The support network that they provide is second to none and they are always available for support."

Brian Gamble | Director of Operations | The Coal Exchange Cardiff

"We’ve worked with Cautela Diamond Security across a number of high-profile events at Au Vodka, and their service has been consistently outstanding. Their team is professional, reliable, and highly experienced, giving us complete confidence in the safety and smooth running of our events. They integrate seamlessly with our team and always represent our brand to a high standard. We wouldn’t hesitate to recommend them."

Rony Seamons | Head of People | Au Vodka