About RISA Inspections

RISA delivers professional, independent and impartial inspection & auditing across the UK. All services are delivered to the glazing and construction industries, the legal profession and homeowners to the highest technical standards and with outstanding customer service.

We are a UKAS accredited Inspection Body no. 9888 under ISO/IEC 17020:2012. Our accreditation is for the inspection of the installation of replacement Windows Doors and Rooflights, which incorporate the relevant requirements of the Building Regulations and the FENSA Scheme requirements FENSA Validation.

"Our mission is to deliver professional, impartial assessment and audit services to the highest technical standard together with exceptional customer service,"

- Dave Mechem (Director of Inspection and Assessment)

RISA's competent assessors and assessor management team operate throughout the UK. Between them they have over 400 years’ experience assessing installations across a range of sectors, including replacement windows and doors, energy saving measures and construction projects, helping our clients deliver a competitive edge in quality and compliance.

RISA assessors are recruited from the industries we inspect, supported by an efficient administration team, and equipped with bespoke scheduling and reporting technologies, enabling them to be agile and report in real time to our clients.

Contact us for a quote or more information

Meet our Assessors

Dave Mechem

Director of Inspection and Assessment

Lee Galley

National - Assessor Manager

Dennis Nye

South East

Grahame Crick

South East

Paul Dewey

South Central & South Coast

Gordon Corben

Lower East Anglia & East London

Greg Leigh


Darren Wood


James Tait

South & East London

Peter Maddern

North West

Shaun Smith

North West

Kevin Holyoake

Home Counties

Chris Byers

North East

Lee Thomas

West Midlands
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