Certified Quality & Sustainable Sourcing
Thomas Armstrong Aggregates is committed to delivering certified, high-quality materials while ensuring responsible sourcing and environmental sustainability.

Certifications & Compliance – Proving Reliability
“Our certifications reflect our ongoing commitment to quality, safety, and compliance.
From UKCA approvals to ISO accreditation, every certificate is proof that our products meet the highest industry standards and perform consistently on site.
By maintaining rigorous testing and documentation, we give our customers confidence in every delivery.”

Our Certifications
This database of certifications ensures transparency and reliability, giving you quick access to the documentation you need for compliance, procurement, or project approvals.
For more information regarding UKCA certifications, please visit the gov.uk website.
Available ISO 9001 Certifications
Available UKCA Certifications
UKCA203 TA Aggregates Concrete Sand UKCA Certificate
UKCA213 TA Aggregates Grano Dust UKCA Certificate
UKCA214 TA Aggregates Gravel 20-10mm UKCA Certificate
UKCA215 TA Aggregates Gravel 20mm UKCA Certificate
UKCA217 TA Aggregates Grit 2-5mm UKCA Certificate
UKCA218 TA Aggregates Limestone 10mm White UKCA Certificate
UKCA220 TA Aggregates Limestone 20mm White UKCA Certificate
UKCA222 TA Aggregates Limestone 6mm White UKCA Certificate
UKCA227 TA Aggregates Sand Gravel 10mm White UKCA Certificate
UKCA228 TA Aggregates Sand Gravel 20mm White UKCA Certificate
UKCA233 TA Aggregates Cardewmires Special Grit UKCA Certificate
UKCA243 TA Aggregates Plastering Sand UKCA Certificate
UKCA244 TA Aggregates Red Building Sand UKCA Certificate
UKCA267 TA Aggregates Limestone 40mm UKCA Certificate
UKCA270 TA Aggregates MOT Type 1 UKCA Certificate
UKCA275 TA Aggregates Pea Gravel UKCA Certificate
Our Commitment to Sustainability
Sustainability is embedded in the way we operate — from how we source and process aggregates, to how we deliver them. Our goal is to provide high-quality products today while protecting resources for tomorrow.
Responsible Quarrying
We operate with respect for the environment and surrounding communities, following strict regulations to minimise impact.
Recycling
Our range includes recycled aggregates, providing a practical alternative that reduces waste and conserves natural resources.
Efficient Logistics
By sourcing locally and running a modern fleet, we cut down on transport miles, reduce emissions, and deliver more efficiently.
Continuous Improvement
We continually invest in cleaner technology, smarter processes, and greener solutions that support a more sustainable future for the construction industry.
Trusted for Quality - Commited to Sustainability
Whether you need certified aggregates, bagged products, or bulk deliveries, we combine rigorous compliance with sustainable practices — giving you confidence in both product performance and environmental responsibility.