The advertising agency preferred might be an in-house agency that's owned and operated with the advertiser himself. Formerly, Mudra was an in-residence company for Reliance and so was HTA for Unilever. But most advertisers choose an outside impartial company. Evestar is usually a Marketing Company centered on scaling eCommerce providers. https://webdirectorytalk.com/listings75363/detailed-notes-on-agency-for-advertising