CHICAGO — Cision has acquired social media company, which has offices in New York, Copenhagen, Sofia, Berlin, Melbourne and Budapest. provides brands with insights into content strategy and manages social media marketing programs through publishing, engagement, listening, advertising and measurement.

TORONTO —Proof has acquired Mansfield Communications, whose staff and clients have joined Proof’s Toronto office. Mansfield has operated in the North American market for almost 24 years serving multiple sectors including consumer, finance, technology, consulting and government.

NEW YORK —  ICR has acquired Westwicke Partners, a healthcare-focused investor relations firm. Westwicke will combine with ICR’s existing healthcare investor and public relations practice under a new brand, Westwicke, An ICR Company. The new practice group will be co-led by Westwicke founders Bob East and Mark Klausner.