Interpublic's Constituency Management Group, which includes PR operations, jumped 10.9% in the second quarter to $355.4M. Organic growth advanced 7.9 percent.

The McCann-led ad agency unit trailed with a 4.2 percent gain in revenues to $1.5B, and a four percent hike on the organic front.

CEO Michael Roth singled out IPG's "very strong" PR performance in a conference call this morning, noting Weber Shandwick, Golin and DeVries, as well as sports marketing unit Octagon, were key to CMG's robust Q2 growth.

Weber CEO Andy Polansky told O'Dwyer's IPG's PR flagship continues on its torrid double-digit gain performance and he's bullish for the remainder of the year due to a bulging pipeline. Technology, healthcare, corporate and social media are set for robust gains.

Roth said IPG's "operating results underscore the competitiveness of our agencies, and quality of our offerings in key growth markets and disciplines."

The combine is "winning share in digital and marketing services, successfully innovating with our media offerings, and our global ad networks continue to trend positively."

Overall, the No. 4 marketing conglomerate saw revenue climb 5.4% to $1.85B, or 4.7% on an organic basis, during the quarter.

IPG showed a 3.4 percent rise in US revenues to $997M, while international surged eight percent to $760M, powered by the rebounding UK sector, which 33 percent to $120M.

Continental Europe ticked up 3.8 percent to $196M, Asia Pacific rose 1.4 percent to $221M and Latin America dipped 2.9 percent to $120M.

Net income climbed to $103.7M, from $86.1M for Q2 of 2013. Overall, the No. 4 marketing conglomerate saw revenue climb 5.4% to $1.85B, or 4.7% on an organic basis, during the quarter.

Total debt sits at $1.8B vs. $901M in cash/marketable securities.