Media Relations Omnicom Group reports 23.6 percent revenue increase It was a bang-up first quarter for the company, which owns PR and ad companies. Omnicom’s PR holdings saw a 3.9 percent boost in revenue. By Kevin Allen@kevin_j_allenApril 20, 2011 SHARE The group reported revenue increases of 23.6 percent for the first quarter with net income of $201.9 million—up from $163.4 million a year ago. To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.