The rating reflects BT's excellence in claims servicing and is the highest rating given by the consulting services provider.
BT head of life insurance Phil Hay said BT's life insurance solution covered the four pillars of technology, product, support and service.
"Service is where the rubber hits the road," Hay said.
"The Risk Store's independent acknowledgement of the outstanding experience BT Insurance provides to customers at claim time reflects the unwavering support our staff provide when customers need it most."
