mdc partnersPR and advertising group MDC Partners reported a fourth quarter net loss of $26.2M as revenues ticked up 5.6% to $359M on a solid gain in organic revenue.

Advertising and communications revenues rose 8.3% to $71.9M for the quarter. MDC's PR units include Allison + Partners, Hunter PR and Kwittken.

For the full year, revenues were up 8.4% to top $1.3B on a net loss of $37.4M, up from $24.1M a year earlier.

MDC said net new business for the quarter totaled $27.4M and $116.7M for the year.

Chairman and CEO Scott Kauffman called 2015 a "strong year," pointing to 7.1% organic growth.