MSLGroup has acquired Canada's North Strategic, a Toronto-based PR shop with a respected content and video unit, Notch Video, and operations in Calgary and Montreal.

North Strategic's Mia Pearson & Justin CreallyMia Pearson & Justin Creally

MSLGroup CEO Guillaume Herbette said his firm, which has offices in Toronto and Montreal, triples its operations north of the border after the deal creating a "powerful force in this important marketplace."

North Strategic's client roster includes Tim Hortons, Samsung, Twitter, Canadian Tire and Airbnb.

North Strategic co-founder Mia Pearson takes the title of CEO, Canada for MSLGroup under Herbette. Gayle Brock-Woodland continues to lead MSL Canada as president, reporting to Pearson.

North Strategic and Notch Video will retain their names under Publicis Communications.

Pearson co-founded North Strategic with Justin Creally in 2011.