Osler, Hoskin & Harcourt LLP

International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2025

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Osler, Hoskin & Harcourt LLP

Image Toronto

1 First Canadian Place

PO Box 50

Toronto, Ontario, Canada

M5X 1B8

Tel: +416 362 2111

Fax: +416 862 6666

www.osler.com

Ottawa

Suite 1500

50 O'Connor Street

Ottawa, Ontario, Canada

K1P 6L2

Tel: +613 235 7234

Fax: +613 235 2867

Montréal

1000 de La Gauchetière Street West

Suite 2100

Montréal, Québec, Canada

H3B 4W5

Tel: +514 904 8100

Fax: +514 904 8101

Calgary

Suite 1900

Toronto Dominion Square

333-7th Avenue S.W.

Calgary, Alberta, Canada

T2P 2Z1

Tel: +403 260 7000

Fax: +403 260 7024

New York

1221 Avenue of the Americas, 26th floor

New York, New York,  US

10020-1089

Tel: +212 867 5800

Fax: +212 867 5802

Osler, Hoskin & Harcourt LLP is one of Canada's top law firms for tax according to international and domestic research studies. It is ranked in the top-tier of leading firms and placed five lawyers as leading individuals in various categories including tax controversy, transfer pricing, capital markets, cross-border structuring and M&A. Other international and domestic surveys laud the group of 60 specialists. Our tax group plays an integral role in our M&A practice, often developing novel transaction structures. We are at the heart of most innovative international transactions, whether representing a Canadian multinational with worldwide interests, or the Canadian operation of an international parent. In both instances, tax strategy spans jurisdictions and needs to respond to global–and local–objectives. Our offices are located in Toronto, Montréal, Ottawa, Calgary and New York. Visit our web site at www.osler.com.

more across site & shared bottom lb ros

More from across our site

The Portuguese firm’s managing partner tells ITR about his love of Sporting Lisbon, the stress of his '24-hour role', and why tax is never boring
The reduction would still ‘leave room’ for pillar two and further reductions would be possible, one expert tells ITR
Funding from private equity house EQT will propel WTS Germany to compete with the ‘big four’, the firm’s leaders told ITR in an extensive interview
New Zealand is bucking the trend of its international counterparts with its investment-friendly visa approach. Here’s what high-net-worth investors need to know
However, nearly 10% of reports only disclosed activities in tax havens, according to the Fair Tax Foundation; in other news, Plante Moran sealed a US east coast merger
While pillar one is still alive, it will apply to a smaller group of companies, Brian Foley also told ITR
Tax teams that centralise and automate their pillar two data will have a much easier time during reporting season, says Hank Moonen, CEO of TaxModel
While GCCs drive efficiency for multinationals, they also present a host of TP risks that should be considered carefully
PwC Ireland has also called for simplifying Ireland’s tax code and a reduction in its capital gains tax in a pre-budget submission
Effective audit management requires more than documentation; it’s the way taxpayers engage that can shape audit direction, manage procedural ambiguity, and preserve options for appeal or litigation
Gift this article