Banker welcoming European's guide to life? (6)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

Banker welcoming European’s guide to life? E (=European) in GNOME (=banker, as in the gnomes of Zurich ); a genome is the complete set of an individual’s chromosomes, a person’s full genetic make-up, hence it could be described as a “guide to life”