Visa has agreed to lease 300,000 sq ft on a 15-year deal at One Canada Square - Dan Kitwood/Getty Images Visa has struck a deal to move its European headquarters to London’s Canary Wharf, handing a fresh boost to the city’s financial district. The US payments company has agreed to lease 300,000 sq ft on a 15-year deal at One Canada Square, relocating from its current base in Paddington in the summer of 2028. The agreement is a boost for the Canary Wharf Group, which has been battling to regain its statu ...