Earlier quoted context omitted.
It took less than 30 seconds to find out that they're not. https://www.ft.com/content/4044d354-b825-11dd-ac6d-0000779fd...
Do you have a citation that's not behind a paywall? Crunchbase says they were acquired by Yahoo. https://www.crunchbase.com/organization/kelkoo
The information is on the crunchbase page you linked. You need to click on View All in the news section.
Nov 25, 2008: Kelkoo: ZD Net — Yahoo sells shopping site Kelkoo | ZDNet
links to: http://www.zdnet.com/article/yahoo-sells-shopping-site-kelko...