December alone saw telecoms giant Virgin Media sign up to the centre, with plans for a branch which will open early next year.
And the Virgin announcement follows hot on the heels of the arrival of the Danish chain Tiger which offers fun and practical homeware items.
Earlier in the year the Bridges enhanced its offering when two national clothing brands took up residency at the centre – Pep and Co and Yours.
The fashion ranges available at the Bridges was also increased, thanks to the launch of designer wear store Van Mildert, with a prime space also occupied by gadget shop, Menkind.
Andy Bradley, centre director, said: “There is a great deal of investment taking place in Sunderland and that is reflected by the retailers interested in coming to the city.
“We are delighted to have welcomed some really important brands to ensure that shoppers can get everything they want in Sunderland and not have to travel outside of the area.
“The fact that we now have a well-established, late night shopping evening is also helping to attract people to the city centre and gives them the opportunity to enjoy everything that we have to offer.”
A number of existing shops have also undergone refits this year, including JD Sports, Esquires and Schuh.