Useful links Structural Timber Association  Modular and Portable Building Association News and Events hub for offsite construction sector Recruitment and Employment Confederation Does IR35 apply? Fully integrated business software & IT solutions – Construction and Project Management software Advice for Contractors Professional Contractors Group - advice for freelancers The Institution of Civil Engineers The Institution of Structural Engineers The Chartered Institution of Building Services Engineers The Chartered Institute of Building Currency converter for international contracts “The essential site for all UK recruiters”