Dentsu, Havas, IPG, Omnicom, Publicis and WPP have teamed up with Google for Common Ground's new "Little x Little" campaign.
Dentsu's 2017 results and 2018 forecasts show that creating a better place to work is a costly business.
Asia-Pacific, excluding Japan, showed a slight decline in gross profit growth and contributed 25% of the group's gross profit.
The group had a net new business balance of $2.34 billion, well ahead of second-place finisher Publicis Media's $376 million.
Big groups such as Dentsu and WPP bought fewer agencies in 2017, while consulting giant Accenture led the way as a new entrant.
Singapore's Economic Development Board launched an industry transformation map at the new APAC headquarters of Dentsu Aegis Network.
Top news, insights and analysis every weekday
Sign up for Campaign Bulletins