1) British radio network 
Latin, meaning: adv, certainly, at least, indeed 
Quidem is a UK-based media company which operates radio stations. Quidem is a new company established by Steve Orchard and Wendy Pallot, former Group Operations Director and former Group Finance Director respectively of GCap Media, to work in the local radio sector. Mr Orchard is the chief executive of the new company and Wendy Pallot the chairman...
indeed, certainly, at least / ne ... quidem