About Us


Since its founding in 1981 by David McCarthy, McCarthy Consultant Services Inc. (MCSI) has played a vital role in the world of Canadian regulatory affairs. Shaped by the belief that sound regulatory management is the key to business success, MCSI has evolved into an industry leader across Canada and throughout the world. MCSI is trusted and valued by the pharmaceutical, biotechnology, medical device, food, natural health products and cosmetic industries for its efficient, timely, and effective regulatory work. The staff and Associates of MCSI have extensive background working in these highly regulated and constantly evolving industries. The background and expertise of our regulatory team, one of the largest in Canada, is the key to our clients’ success.

MCSI also has the capability to handle your drug and medical device regulatory needs in the US and the EU. Please click on ‘Services’ for more detail on how we can address your regulatory and quality requirements, in Canada, the EU and around the world.

Our Services

We invite you to contact us!

McCarthy Consultant Services Inc.
14 – 320 Harry Walker Parkway North
Newmarket, Ontario Canada  L3Y 7B4

Phone: 905.836.0033
Fax: 905.836.0006


Let’s Get In Touch

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