The deal sets in motion the much awaited 'Steel City' project.
The facility comprises 600 villas, an 18 hole-golf course, a 5-star hotel, and an airstrip.
Machakos has been grappling with lack of high quality hotel accommodation.
The investors are building 1,082 housing units and a commercial centre on 20 acres.
The 5-star facility was built at a cost of Sh5 billion.
The estate comprises 30 Swedish style villas set on 8.5 acres of land overlooking Lake Victoria.
Two overseas firms have spread their wings into Kenya in the past three months.
Churches are aggressively pouring billions of shillings into Kenya's property sector.
The 88,000-sq.ft office park is expected to be completed in the first quarter of 2016.
The houses in the first phase will be sold to civil servants.