ISO 9001 ensures quality management, ISO 14001 focuses on environmental responsibility, and ISO 45001 promotes health and safety in the workplace.
Accreditation – Quality You Can Trust
At Crystal Units, we are committed to delivering glazing solutions that meet the highest standards of quality, safety, and performance. Our range of industry-recognised accreditations reflects this commitment, assuring our clients that every product is manufactured, tested, and supplied in line with strict regulatory and technical benchmarks.
From environmental responsibility to structural integrity, our certifications cover all aspects of our operations—giving architects, developers, and contractors the confidence to specify Crystal Units for projects where performance and compliance matter most.
Explore our accreditations and see why Crystal Units is a name you can trust in glazing innovation.
ISO 9001, ISO 14001 & ISO 45001 registered
bsi Toughened Safety Glass - KITEMARK
Our BSI Kitemark for Toughened Safety Glass certifies that our products meet strict British standards for strength, safety, and reliability in high-performance applications.
bsi Insulating Glass Units - KITEMARK
Our BSI Kitemark for Insulating Glass Units confirms that our IGUs meet rigorous British standards for thermal performance, durability, and manufacturing quality.
FORS - Fleet Operation Recognition Scheme
Fleet Operator Recognition Scheme (FORS), demonstrating our commitment to safe, efficient, and environmentally responsible transport operations.