We Solve Your

Regulatory Puzzles

Providing Quality Service

Since it’s 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.


News and Events

CHFA (Canadian Health Food Association) West continues to be the number one source for new products and education for retailers who are doing business in Western Canada. With 950 exhibiting companies and a highly qualified selection of speakers, this four day event is one that shouldn’t be missed. CEO Steve McCarthy will be attending!


Merry Christmas and Happy New Year! From All of the Staff and Associates at McCarthy Consultant Services, Inc. We send our best wishes to you, your colleagues and your families, for joyous Holidays and all the best in 2019. Our offices will be closed from 1:00 pm Friday December 21st, until 9:00 am Wednesday January … Continue reading


MCSI’s CEO Stephen McCarthy attended the Cosmetics Alliance Canada’s Fall Regulatory Workshop in Ottawa! He is pictured here in discussion with Estee Lauder’s Denise David (left) and Madiha Alam.    


MCSI’s CEO Stephen McCarthy attended the Cosmetic Alliance Canada’s Mirror Ball. He is pictured here with Erika Hogerwaard, Manager of Communications and Public Relations at Shiseido Canada.


We invite you to contact us!

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

Phone: 905.836.0033
Fax: 905.836.0006
E-Mail: mail to:accounting@mccarthyconsultant.com


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