Your company banks with the Central Bank? Highly doubtful.  Perhaps you mean CBQ (Commercialbank of Qatar)?  They are discontinuing their affiliation with the airport lounge in connection with their credit cards as I understand it.  QNB is supposed to be offering that benefit.  Most cards will not allow guest access unless your spouse or one child (not both) even if you offer to pay unless the extra "guest(s)" are paying for business class (at least) tickets.