It is a given that large companies, with revenue in the billions, have generally flocked to the global PR mega-agencies, citing large pools of the best talent, influential clout, global capabilities (multi-office locations), as well as depth of resources and knowledge base.

Within this group, smaller companies, those under the $2 billion in revenue mark, have also followed suit, most likely to bask in the reputation and influence of the top echelon of PR agencies.

But there is a dynamic ...