Drilling holes in porcelain sink

We want to install a bathroom sink faucet set that requires three holes but the porcelain basin we want is manufactured with one hole. there's plenty of room to drill the extra two holes, but we know that we should hire out this task. Any referrals you can make?

If you want any chance of an answer, you really should give your location.

If it is truly a porcelain, or what I call a china , sink, I have never seen one drilled. If it is porcelain enamel on pressed steel, or a cultured marble, that is easy,