Trusted by key players in the Dairy, Juice and Brewery industry as there key testing partner. McElwaine has grown to become a sector leading company in the integrity of plate heat exchangers within the liquid food industry, with 2026 being McElwaine’s 30th year in the sector this demonstrates our commitment to growth, development and delivering a first class service which is why we hold some of the UK and Irelands largest liquid food testing contracts. McElwaine was established after a gap in the market was identified for a proven methodology to defect flawed integrity in plate heat exchangers. With technicians located all over the UK and Ireland we are within easy reach to provide excellent service for our clients.