"The Save and Support account, for instance, is the most successful of its kind in the country with more than 18,000 people holding one of these accounts. That has generated a considerable amount of money for the Club as a result."
He added: "The level of Britannia's commitment in extending this agreement also reflects their desire to be part of a Club enjoying a Premier League profile now. Research has highlighted how much Britannia has benefited from increased brand exposure which comes with being associated with a team in the best League in the world."
Britannia, who recently completed a merger with the Co-operative Financial Services revealed last week that research among football fans nationally showed that the business's name was among the 10 best known brands in the Premier League.