Hull. 01482 345797
Leeds. 01132 779542
York. 01904 438005

Accreditations / Certifications

Environmental Management

We are certified to ISO 14001. We recognise that running our business has an effect on the environment and we wish this to be a positive impact. To achieve this we work with all parties to reduce waste and re-use and recycle wherever possible. We continue to look for opportunities for further improvement, and to act in a sensitive manner towards the environment.

Quality Management

We are certified to ISO 9001. Our Directors are committed to the continual development, improvement and implementation of an effective and efficient Quality Management System.


Mason Clark Associates are CHAS compliant, and delivering our services meeting high standards in health and safety.

Association for Project Safety

Mason Clark Associates have dedicated Key Team leaders whom are Certified members of the Association for Project Safety (APS).

Key team leaders are corporate members of the The Institution of Structural Engineers.


Mason Clark Associates is Registered and Regulated by the Royal Institution of Chartered Surveyors (RICS With Key Team leaders that are Chartered Surveyors.


YORconsult is the Regional Framework for the procurement of professional construction consultancy services. It is designed to deliver efficiencies, employment & skills, community benefits, regeneration and sustainability and we are pleased to be long term partners providing added value to the Yorkshire Region.

MCA are delighted to announce that we again secured appointment on to YORconsult2 East and North area, together with the South and West area Consultants Framework Agreement, to supply consultancy services relating to Civil and Structural Engineering Design, Building Surveying, Quantity Surveying, Project Management Services and as CDM Principal Designers.

We are rightly very proud of this continued achievement, which places Mason Clark Associates as one of Yorkshire's top consultants, confirming our company ethos of being able to deliver high standards of repeat business through great customer service and being able to respond quickly with knowledgeable local staff.


Gez Pegram, our York Director, is a Conservation Accredited Engineer.

Team Humber Marine Alliance

Mason Clark Associates are members of the Team Humber Marine Alliance.


Mason Clark Associates are delighted to be involved with Hull Trinity House School and their project 'Water and your School' Go4SET.