Company Profile
GlaxoSmithKline (GSK) is a research-based pharmaceutical company devoted to discovering and developing new and innovative medicines, vaccines and health care products for Canadians and people around the world. Every day, our employees strive to improve the quality of human life by enabling people to do more, feel better and live longer.
GSK has been recognized as one of the 50 best companies to work for in Canada for the last ten consecutive years and is a top 15 investor in Canadian research and development, contributing more than $144 million in 2009.
Our key products target five major disease areas – respiratory illnesses, diabetes, viral control, infections, and central nervous system disorders. GSK is also a leader in the important area of vaccines and we are developing new treatments for cancer.
We are Canada’s leading flu vaccine manufacturer and supply 75 per cent of Canadian government seasonal flu vaccine purchases. Our Consumer Healthcare division includes dental health products, over-the-counter medicines and nutritional drinks.
GSK is designated a Caring Company by Imagine Canada, contributing more than one per cent of pre-tax profits annually through The GlaxoSmithKline Foundation and other channels to initiatives in health, science education and local community organizations.
GSK has divisional headquarters in Mississauga, Ontario and Laval Quebec, with regional offices in Halifax, Quebec City, Montreal, Ottawa, Toronto and Vancouver. GSK also maintains two state-of-the-art manufacturing facilities in Mississauga and Quebec City (Ste-Foy) and the North American research and development hub in Laval.
Contact Information
Canadian Head Office Mailing Address
GlaxoSmithKline Consumer Healthcare Inc.
Bureau d'affaires du Québec
Key Facts
The company’s 2,700 Canadian employees work to discover, develop, manufacture and market innovative medicines, vaccines and health care products.
GlaxoSmithKline has been recognized as one for the top 50 companies to work for in Canada for the past ten years.
The company’s $250 million Canadian headquarters is located in Mississauga, Ontario.
GlaxoSmithKline maintains two Canadian manufacturing facilities in Mississauga, Ontario and Quebec City (Ste-Foy) and the North American research and development hub in Laval.

