The Malmesbury HQ project includes a major new R&D building and new sports centre for use by the workforce and public.
Phase one of the £250m expansion project will also see car parking for 600 vehicles and building an energy centre for the manufacturing complex.
Outline plans to double the size of the firm’s HQ were approved by Wiltshire planners earlier in the summer.
Dyson has been in negotiations with several contractors, but is understood to be close to finalising a deal with ISG.
Around 3,000 new jobs are expected to be created at the innovative engineering firm’s base over the next 10 years.
Security at the new research facility designed by Wilkinson Eyre – the same firm that created the existing wavy-roofed building – will be so tight staff will have to go through biometric scanning to go in.
It is hoped the new labs and research space will allow the engineers to expand motor electronic research, increase experimentation with noise cancelling acoustic technology, work on robotics and develop Dyson vision projects.