Overview

Niko is Head of Osler’s Montréal Corporate Group, advising clients on mergers and acquisitions, private equity transactions, capital markets offerings, and complex cross-border deals. With over 25 years of experience representing public and private clients, Niko delivers practical solutions that align legal strategy with commercial objectives across the full spectrum of corporate and securities matters.
Niko advises a wide range of clients, including public and private companies, private equity sponsors, pension funds, boards, independent committees, issuers, and underwriters. His expertise encompasses negotiated and contested acquisitions, mergers, dispositions, auctions, take-over bids, carve-outs, strategic investments, recapitalizations, reorganizations, joint ventures, and other corporate transactions. Niko’s private equity expertise spans a range of private equity transactions, including leveraged buyouts, take-private deals, secondary market transactions and strategic acquisitions. His guidance extends beyond deal-making to encompass securities law compliance, corporate governance, and other areas that ensure successful acquisitions, and exits. Attentive to each client’s strategic priorities, he delivers knowledgeable advice that balances legal precision with practical business insight.
Drawing on experience gained at Sullivan & Cromwell in New York and Australia before returning to Canada in 2004, Niko provides clients a valued cross-border perspective to Canadian, U.S. and international transactions. His familiarity with multiple legal systems supports efficient execution of multi-jurisdictional deals across various sectors, including infrastructure, manufacturing, media and entertainment, mining and natural resources, telecommunications, and transportation.
Niko is recognized for his problem-solving abilities and negotiation skills. He has taught mergers and acquisitions law at McGill University’s Faculty of Law, and his extensive transaction experience reflects the long-standing relationships he maintains with prominent corporate clients in Québec, Canada, and internationally.
PE Points brings you the latest legal insights and important news to keep you up to date on the ever-evolving private equity landscape.
Osler’s National Private Equity Group has launched its quarterly PE newsletter: your source of private equity news and information.
We explore management equity repurchases, valuation approaches, corporate governance considerations and the implications for management and sponsors.
Reacting to concerns expressed in Québec, many of the province’s flagship companies are being acquired by interests outside the province. The...
Niko Veilleux says it is expected that larger M&A transactions will occur in the coming months as business confidence increases.
In the first half of 2025, Canadian business saw an increase in deals year over year, with technology, finance and energy sectors leading...
Despite global mergers and acquisitions activity last year being the slowest for deal-making since 2013, there were several sectors that saw...
Congratulations to nine Osler lawyers recognized in the Lexpert Special Edition: Mining 2023, highlighting leading lawyers in the sector.

Practice Areas

• Corporate & Commercial Law

Bar Information

Called to the bar: 2001 (NY); 2006 (QC)