Tax Law

The requirements of your business in complying with the intricate network of domestic and international tax laws can pose significant challenges and risks.


Whether you require advice on any aspect of tax, including dispute resolution assistance with tax authorities or litigation services if your tax controversy is heading to court, you need the confidence that our tax law team can provide.

Our award-winning tax planning, counsel and litigation teams offer a powerful combination of legal knowledge, experience and national presence to help your organization navigate the complexities of Canada’s domestic and international tax laws. Our team has been ranked among Canada’s best and a number of our lawyers are widely regarded as leading practitioners and authorities in various areas of tax law and tax litigation, customs and excise and international trade law.

Connected across Canada and around the world

We have a strong connection with the cross-Canada network of EY tax professionals, giving us access to former high-ranking individuals in the Canada Revenue Agency (CRA) and the Department of Finance, as well as actuaries, economists, certified business valuators, scientists, engineers and industry-focused professionals.

And when your business needs go beyond borders, we can help you get there. We connect you with EY’s global network of tax professionals — ready to assist you with your cross-border controversy or planning issues wherever you’re located or looking to expand.