The Labrador claim to be the UK's No.1 free automated switching service – this seems to be based entirely on their opinion! The Labrador optionally installs a device in your home and then checks your energy usage against most deals in the UK. As with the other free options, they only switch to energy suppliers that pay them commission. So, you won’t get the cheapest energy when switching with them.
80% of the time, the cheapest deal was not shown. Hidden within the website the best deal was available, but as shown through Flipper's research, 97% of people can't find it.
45% of the time, the cheapest deal was not shown. Since free auto-switchers make money through commissions from suppliers they do not offer the best deal to their customers.