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Compliance & Accreditations

Waste management is one of the most regulated industries. We operate an Integrated Management System, presided over by our SHEQ Officer, that intertwines our Quality, Environmental and Health and Safety Management systems. Brewster Brothers is committed to going above and beyond compliance to ensure the products and services that we supply are of the highest quality, do not harm the environment and achieve relevant accreditation. To do this, we are cross examined by a wide range of independent organisations including SEPA and our products comply with WRAP Protocol, several British Standards and multiple Specifications for Highway Works and ISO certifications. Additionally, we have achieved Constructionline Gold Membership.

Quality Management System

British Standards

Established by the British Standards Institution, British Standards have been established as a national bench mark for quality across a wide range of industries. Our aggregates meet BS EN 12620 ‘Aggregates for Concrete’. BS 8500 for the production of concrete allows for 100% BS 12620 recycled aggregate to be used in GEN 0 to GEN 3 concrete and 20% to be used in RC20/25 to RC 40/50 (except where the specification allows a higher proportion to be used).

Specification for Highway Works

The Specification for Highway Works is comprised of a range of ‘Series’ each relating to a specific function. The Series relevant to our products are 500, 600 and 800. All of our washed products meet the Series 500 Specification for Highway Works which deals with Drainage and Service Ducts. Our crushed/ screened products (except for topsoil and shale blaes) adhere to Series 600 and 800 which relate to Earthworks and Road Pavements respectively. 

WRAP Protocol

The Waste and Resources Action Plan (WRAP) is a British charity founded to aid businesses, communities and individuals to achieve a circular economy. The WRAP Protocol for recycled aggregates ensures that any recycled products that we are providing are a quality product and are no longer waste. This protocol has been designed to reduce the demand for traditional aggregates and encourage the use of recycled products. 


The International Organisation for Standardisation (ISO) develops standards to ensure the quality, safety and efficiency of products, services and systems. Brewster Brothers has been audited and accredited with BS EN ISO 9001 for our Quality Management System.


Constructionline Gold Membership

Constructionline Gold is awarded to businesses that have gone through increased scrutiny surrounding governance and risk management to streamline the prequalification stage of the procurement process for buyers and suppliers. We are delighted to have achieved Constructionline Gold, and to have another third-party verification for the business. This certification allows us to be more visible to the private and public sectors, allowing recycled aggregates to become more accessible whilst also giving buyers even more confidence in our products and services.


Environmental Management System


The Scottish Environmental Protection Agency (SEPA) is Scotland’s principal environmental regulator. SEPA works to maintain and protect Scotland’s natural resources, ensuring they are being used as sustainably as possible. Because we use and transport waste, we are required to hold a SEPA Waste Carrier License and SEPA Waste Management license to demonstrate that the work we do causes no harm to human health, the natural environment, or any local amenities. This ensures that we are operating in line with National compliance. 


The International Organisation for Standardisation (ISO) develops standards to ensure the quality, safety and efficiency of products, services and systems. Brewster Brothers has been audited and credited with BS EN ISO 14001 for our Environmental Management System.



Brewster Brothers are the first aggregates producer in the UK to achieve an Environmental Product Declaration (EPD) for recycled aggregates. This has been independently verified by BRE Group. The impact of our EPD on our customers and the main contractors in their supply chains is that you now have access to accurate and transparent environmental impact data for your sustainability reporting. Find out more on our dedicated EPD page

Using the results from the EPD, we can provide you with accurate carbon savings for using our recycled aggregates versus the average for both virgin and other recycled aggregates according to the UK Government’s indices. Use our brand new Carbon Calculator to find out about the carbon you could save by using our products.  

Brewster Brothers EPD