Scottsdale, Ariz.-based digital marketing agency iCrossing has opened an office in London, the company reported Wednesday. In addition to functioning as the center for iCrossing's European operations, the new facility will serve as a London branch of Spannerworks, the Brighton, England-based search-marketing agency that iCrossing purchased in February. Larry K.H. Jenkins will lead the London office as managing director, Europe. Founded in 1998 and with more than 350 employees worldwide, iCrossing develops online campaigns and programs that help users find what they’re searching for.