Accurate, essential market holiday reference data for global businesses.

Copp Clark has been a trusted name for over 180 years as Canada’s oldest continuously operating publisher. Founded in 1841 in Toronto, the company initially built its legacy in publishing before transitioning to specialize in financial data in 1981. Today, Copp Clark is globally recognized as the leading authority on holiday observances and market closures that affect financial markets worldwide.

Copp Clark brings expertise in researching, verifying, and delivering critical market holiday data. Our services help financial institutions navigate the complexities of global payments and international transactions. Our clients include some of the largest organizations in the world. Copp Clark has become an indispensable resource, reducing the risks of failed trades, lost revenue, and reputational damage. We pride ourselves on offering exceptional customer service and competitive pricing, ensuring our solutions are both reliable and accessible for businesses of all sizes.

Visit the Copp Clark website.