Process Intensification Consultants

We help you to intensify processes and improve energy efficiency in unit operations

Welcome to David Reay and Associates

We are a group of engineering consultants who mainly work in the process intensification, heat transfer and energy-related fields. We have many decades of experience in areas including intensified reactions and separations, heat pipes, heat pumps, and advanced/compact heat exchangers. DRA has acted for Government bodies, the European Commission and Companies (large and small).

David Reay & Associates (DRA) was set up early in 1987 as a consulting engineering organisation with an emphasis on energy technologies. It currently operates as a 'sole trader' with David Reay as Principal Consultant. The activities in process intensification are ably supported by Professor Colin Ramshaw, who has been an Associate for many years.

Clients of David Reay & Associates have included: Alstom Power plc., The European Commission; TUV-NEL; ETSU; HTFS (Heat Transfer & Fluids Service); Bowman Power Systems; Airedale International Air Conditioning; Serck Aviation; British Gas Research & Technology Centre; The Electricity Association; Department of Trade & Industry; Chalmers University, Sweden; Carrier Corporation; FIZ Germany; PA Consulting Group; AT&T Telecommunications; ICI; BP, Shell, Norsk Hydro; IEA; BNCE, Building Research Establishment, 3M Company, HSE, Health & Safety Laboratory, Heatric, Dunlop Aerospace, The Carbon Trust (via AEA Energy & Environment), Thermacore Europe, Protensive Ltd., Norsk Hydro

Recent Projects

Horizon 2020

David Reay and Associates (DRA) is one of 22 partners across Europe in an HORIZON 2020 (H2020) project in the area of Process Intensification, funded by the European Commission to the tune of approximately €10 million.


This project, which has been running for two years and is current, involves three Universities (Newcastle, Brunel and Northumbria) and a number of companies. DRA act as consultants in assisting with the selection of rules for a process heat recovery 'expert system'.

Other Projects

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