The battle for a slice of South-east Asia's ride-hailing market is set to heat up, as two billion-dollar homegrown players brace themselves for expansion following the exit of Uber.

A week after Singapore-based Grab announced it was acquiring Uber's business in South-east Asia, Indonesian technology company Go-Jek has been reaching out to former Uber drivers in greater Jakarta, while making plans to expand its services to Singapore, the Philippines, Thailand and Vietnam.