Meet the team

Introducing the MasterFlow team who collectively have over 100 years experience in the plumbing industry.

The team, based in Manchester and led by Business Unit Director Ged Grimes, is made up Sales Office Manager, Diane, Product Manager, Derek, and three Regional Sales Managers; Gary, Malcolm and Michael. Together, they offer a wealth of experience and passion in sales, customer service and plumbing. 

If you would like to become a customer of MasterFlow, please get in touch. 

MasterFlow UK
Astley Park Estate
The Gatehouse
Kennedy Road
M29 7JY

Telephone: 0845 600 3060





Ged Grimes

Ged Grimes

Business Unit Director

Ged overlooks every aspect of the MasterFlow brand and has done ever since its launch in January 2014. Responsible for its everyday running, Ged manages a team of five whilst looking after his own customer base.

Interests: Coaching a football team, playing golf

07881 905797

Diane Mason

Diane Mason

Sales Office Manager

Joining MasterFlow in 2015, Diane is responsible for driving lead generations and strengthening customer relationships. Diane has previous experience in a variety of sectors including sales, warehouse management and customer service.

Interests: Long walks, spending time with the family

0161 6672331

Malcolm Cairnes

Malcolm Cairnes

Area Sales Manager - Midlands

Malcolm joined the team in 2015 and is responsible for managing the Midlands region. He brings with him 19 years plumbing experience having occupied previous roles such as Specification Manager.

Interests: Motorcross racing

07881 730932

Gary Mason

Gary Mason

Area Sales Manager - North of England and Scotland

Gary was appointed as Area Sales Manager for North England in January 2015. He comes from a background in the plumbing merchant and manufacturing sector where he has accumulated years of experience with the products we currently sell. Gary's background includes Area Sales Manager and specification.

Interests: Quality time with family

07887 953987

Mike Porteous

Mike Porteous

Area Sales Manager - South East

Bringing over 30 years of industry experience with him, Mike joined the team in 2016 managing the South East region. Beginning his career within the plumbers' merchant sector has enabled Mike to understand and resolve the wants and needs of our customers.

Interests: Travelling, long walks with his pet dog, Bichon Frise Tasha

07881 758211