Dr. Richard Mellor

Commercial & Technical Director

Richard has an in depth knowledge of many different adsorbents, including activated carbon, and the manner in which materials may be used in both research and industrial applications.

He received his PhD from Cambridge University in 1997, studying the surface science of rare earth oxides as part of a CASE award jointly funded by ICI and the SERC. Since then, he has received several local business SMART awards for innovation and has several patents published and granted for the application of powders to diverse substrates, and unique methods for their encapsulation.

Richard is a Chartered Chemist and a Member of the Royal Society of Chemistry. He has worked on supply and development projects throughout the world, including for the defence departments of the UK and the USA.

Until recently, Richard was the Technical Director of Purification Products, a position which he held for over 10 years. He was responsible for the development of new materials and their subsequent conversion to commercial manufacture. Richard was instrumental in the company receiving the Queen’s Award for Export in 1989.

Richard can be contacted at

John Cameron

Managing Director

John, along with his business partner, Struan McBride, formed Rema Holdings in 2006. The business has since grown rapidly, achieving sales of over £7m and employing over 50 members of staff across 4 independent businesses, of which Rema Filtration is the latest addition.

John is an experienced international General Manager who has managed businesses across a diverse range of industries and geographies and whose experience has covered the challenges of running both SME’s and large international blue chip operations.

All of the businesses in the Rema group can be characterised by their commitment to technical innovation, their excellence in quality assurance and compliance and their passion to achieve sector leading customer service levels.

John can be contacted at