Competition Bureau Canada

The Competition Bureau, as an independent law enforcement agency, ensures that Canadian businesses and consumers prosper in a competitive and innovative marketplace. We are a federal institution that is part of the Innovation, Science and Economic Development Canada portfolio.

Headed by the Commissioner of Competition, the Bureau is responsible for the administration and enforcement of the Competition Act, the Consumer Packaging and Labelling Act (except as it relates to food), the Textile Labelling Act and the Precious Metals Marking Act.


Services and information

Enquiries and Complaints

This section offers a wealth of information on how you can submit a complaint or an enquiry in addition to the necessary resources and tools for filing these through the Competition Bureau.

CA Identification Number

A CA Identification Number, commonly referred to as "CA Number", is a five-digit number preceded by the letters CA issued by the Competition Bureau upon request.

Fees and Service Standards

The Competition Bureau has established fees and service standards for certain services and regulatory processes under the Competition Act. These apply to Written Opinion requests, Advance ruling Certificate requests, Merger Notification Filings and photocopies.

Mergers—Notifiable Transactions Form

The Notifiable Transactions provisions in Part IX of the Competition Act require that parties notify the Competition Bureau of certain transactions when they are of a specified type, exceed certain thresholds and are not subject to any exemptions.


Recognize and prevent anti-competitive conduct by consulting a variety of resources. These include support for businesses and trade associations to establish effective compliance programs and information that empowers consumers to shop with confidence.


Discover a wide range of tools to help you learn about anti-competitive conduct, CA Identification Number, labelling statutes as well as our fees and service standards. Use our online forms to file a complaint or ask a question, browse through our videos, and test your knowledge with our interactive quiz and game.

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