WOTC - Best way to find a maid.

I asked this question in the Wisdom of the Crowd:

What is the best way to find a maid?

Here are the responses: (32 Votes)

34 % - Ask friend to recommend a reliable agency.
28 % - Rely on the previous maid agency, if the service is good.
22 % - Use a portal where several agencies provide particulars of their maids
16 % - Search the internet and view the websites of maid agencies.

See the pie chart at: 
http://www.wisdomofthecrowd.sg/chart.aspx?ID=1098