William J Marshall & Partners
- CONSULTING ENGINEERS AND ARCHITECTS

Property owners

Barclays Bank
Capital & Counties
City of Edinburgh Council
Dubai Ports Authority
Gateshead Council
Government of Dubai
Horsham District Council
London Borough of Barnet
London Borough of Lewisham
Milton Keynes Borough Council
Odeon Cinemas
Parliamentary Works Directorate
Royal London Asset Management
Sanctuary Scotland Housing
Sheffield Business Park
Standard Life
BBC
Charville Estates
Dorset County Council
Essex County Council
GE Capital
Grosvenor
Land Securities
London Borough of Islington
Mill Hill School
Morley Fund Management
Odyssey Trust
Railtrack
Sainsbury's Supermarkets
Scottish Life
Southwark Council