How does Moneysupermarket.com make money?

Question

One of the services Moneysupermarket.com provides is Gas&Electiricy Supplier comparison. You basically enter the address details and the current Gas&Electricity supplier and then it shows you alternative supplier that provides cheaper services. But How does the Web site makes money out of this? Are the suppliers paying as if it is some sort of advertisement? or is this a free service but they are expecting to make money by helping customers on the phone when switching?

Answer 1

They get commison.

If they sell you a Zurich policy for £100 they earn about £7 through commision.