広こう告こく代だい理り店てんMeaningsNoun1. advertising agency; advertising firm; advertising companyKanji used広wide告reveal代substitute理logic店shopPitch accentこうこくだいりてんComposed of広こう告こくadvertisement; advertising; announcement; noticeNoun代だい理り店てんagency; agentNounExamples1広こう告こく代だい理り店てんはこの仕し事ごとにかなり入いれこんでいます。The ad agency has a lot riding on this account.