E & S W Knowles operate within the framework of a Business Management System, which has successfully gained Accreditations to support our Timber and Door products within the building industry. This gives assurance that our materials have been sourced with environmental consideration.

Working to provide the
best products and service

Our products are made to a high-quality finish which is compliant and fit for purpose, providing the after-care service that meets our customer expectation.

Our Accreditations require strict well managed procedures that are conducted to an internal audited plan. Our 3rd party accreditation bodies, audit giving continuation of certification that is also audited by UKAS Certification body.

Door Cutting in E & S W Knowles Factory

ISO 9001:2015 Quality Management System

As a British Assessment Bureau ISO 9001:2015 certified company, we can ensure we able to meet the expectations of our current and future prospective customers by implementing effective quality management systems.

This is reflected throughout quality goods and services across the whole of the company, delivering an excellent level of craftsmanship and construction for our customers.

UKAS-Accredited ISO Badge ISO 9001 Accreditation

ISO 14001:2015 Enviromental Management

As a British Assessment Bureau ISO 14001:2015 certified company, we constantly strive for ways to reduce our carbon footprint and environmental impact as a business.

Throughout the generations of the Knowles family, we have continuously developed to suit the needs of the construction industry seeking methods of best practice and materials.

UKAS-Accredited ISO Badge ISO 14001 Accreditation

We pride ourselves on not only delivering great craftsmanship but also construction.

Fire Test Evidence

E & SW Knowles are certificated to fabricate and manufacture Fire Doors and Doorsets that meet regulatory requirements to fire test evidence (BS476 Part 22). This verifies that product conformity is maintained.

BM Trada and IFC Certification bodies audit the materials allowing the use of the labels and plug-in systems conforming to regulations.

BM Trada Q Mark Scheme

As members of the BM TRADA Q-Mark fire door manufacturer scheme, we ensure that every fire door we supply is tested and certified by the World’s leading provider of third-party certification, providing assurance and authenticity of our products performance.

BMTrada Accreditation

IFC Certification

Our Fire Doors are IFC Certified. This quality accreditation provides a valuable trust mark for customers, demonstrating that our fire rated doors are manufactured to a specified quality level and compliant with all latest fire legislation.

IFC Certification Box Accreditation