Reeds Rains, Your Move and Embrace Mortgage Services, part of the LSL property group which owns First Complete, were used to test the range during a trial which began in December.
The move is part of a larger growth strategy which involves a staged roll-out over the year.
Director of sales Alison Pallett (pictured) said the bank was taking steps to expand its presence in the broker market under its own brand.
“Our plans are to widen distribution strategically in 2015 so we can maintain excellent service and deliver a new mortgage platform that will transform intermediaries experience in mortgage management,” she added.