buy.at is an affiliate network that was acquired by Digital Window on March 1, 2010 having previously been owned by AOL

AOL

AOL Inc. is an American global Internet services and media company. AOL is headquartered at 770 Broadway in New York. Founded in 1983 as Control Video Corporation, it has franchised its services to companies in several nations around the world or set up international versions of its services...

. It is based in the United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

.

In September 2011, the service was relaunched under the Digital Window label and with a new user interface, as Spend and Raise, with all existing links to Buy.at webshops being redirected to the equivalent Spend and Raise eStore.