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Jonny Spratt
Acoustic Design / Director
Jonny has oversight of the operations of the business to ensure customers delivery is achieved efficiently and effectively. He manages the commercial element of the business and builds relationships with clients. Jonny also works with the acoustic consultancy team to provide site inspections and design advice in accordance with Approved Document E to new and converted developments.
Martin Hamer MIOA
Senior Consultant / Director
Martin is a qualified acoustic consultant with twenty years in the acoustics industry. His role at Spratt and Hamer, in addition to being director, includes overseeing all surveys, reports and design projects. Martin is a Corporate Member of the Institute of Acoustics and has a MSc (Distinction) in Applied Acoustics.