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


Environmental Management

We can demonstrate an effective Environmental Management System, under ISO 14001.

Quality Management

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


Mason Clark Associates are CHAS compliant, meeting the necessary standards of health and safety.

Association for Project Safety

Mason Clark Associates are dedicated members of the Association for Project Safety (APS).

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


Mason Clark Associates are proud members of the RICS.


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 secured the YORconsult East and North areas together with the South and West areas Consultants' Framework Agreement to supply consultancy services relating to Civil and Structural Engineering Design, CDMC, Building Surveying and Project Management Services.

We are very proud of this achievement which places Mason Clark Associates as one of Yorkshire's top consultants, confirming our company ethos of 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.

West & North Yorkshire Chamber of Commerce

MCA are pleased to support the West & North Yorkshire Chamber of Commerce.