CYBG, which also owns Clydesdale Bank and Yorkshire Bank, will use Go Compare’s SaveStack platform for its digital banking service, called “B”.
SaveStack will allow B customers to search for new energy deals on the mobile banking app.
"With such woefully low engagement in the energy sector, it's a turning point to be able to connect with people in their banking apps which form an important part of many people's day-to-day money management habits,” said Hannah Iles, director of platform services at Go Compare.
“This partnership will remove the barrier - perceived or real - that some people face when it comes to finding and switching to fair energy deals.
“With savings of up to £375 not uncommon, B customers could be paying significantly less for their gas and electricity very soon."
The news comes about a month after CYBG announced plans to rebrand itself as Virgin Money. CYBG bought Virgin Money for £1.7bn last year.