Who we are


Grey, Clark, Shih (GCS) is a multidisciplinary consultancy, founded in 1980, to provide strategic advice and counsel on international trade, investment and regulatory matters.

GCS are Registered Lobbyists representing to governments in Canada, the public affairs interests of domestic and international companies and trade associations across a spectrum of manufacturing, agri-food, communications and service industries.

What we do


GCS provides a wide variety of services to corporations, farm groups, trade associations and governments, including:

  • Strategic advice and analysis to develop and respond to legislative and regulatory initiatives in Canada and elsewhere.
  • Representation in anti-dumping, countervailing duty and safeguard procedures as well as trade dispute settlement in the WTO and NAFTA.
  • Support and strategic advice in regional and global trade negotiations.
  • Parliamentary Committee submissions and presentations.

See our full list of services

How to reach us


Call us at (613) 238-7743 or
e-mail us at jpclark@greyclark.com

Contact information