Phase one of the project is expected to be completed in one and a half years.
The Sh500 million Billionaire Resort will be completed by end of next month.
This will be the first sports city to be set up in Kenya since independence.
The facility will create additional 15,000 square metres of commercial floor space.
Centurion Symbio-City is expected to be the 14th tallest free-standing structure in the world.
The building features 80 pre-fabricated apartments spinning a full 360 degrees.
The resort will comprise an 18-hole golf course, a lodge, 80 cottages and an airstrip.
The architectural design of the resort was done by Matteo Fantoni Studio of Milan, Italy.
Amsons Group offered Sh23.6bn to acquire 100% of Bamburi shares.
The company has secured financial backing for a 300MW geothermal project.
Yapı Merkezi is expected to complete the 272-kilometre railway in 48 months.