no. never try agent bong. but i use this fb group. its called the Singapour nanas babysitting group. My kids learning french - so I prefer to get french speaking babysitter. :) https://www.facebook.com/groups/659460157472253/
havent read about the babysitting experiences or tried, but a friend blogger wrote about their domestic help service. http://www.jbabiesinthedaisies.com/2016/01/outsource-spring-cleaning-services-with.html