McCarthy Tetrault and Fasken Martineau DuMoulin emerged as the leading legal advisers for metals and mining sector mergers and acquisitions (M&A) during the first quarter of 2026 (Q1 2026) in terms of value and volume, respectively, based on a league table from data analytics company GlobalData.

According to GlobalData’s Financial Deals Database, McCarthy Tetrault topped the value rankings having advised on deals worth $7.3bn.

Fasken Martineau DuMoulin narrowly missed first place, taking second with $7bn in deal value.

Paul, Weiss, Rifkind, Wharton & Garrison secured the third spot by value, advising on $5.5bn in deals.

Cassels Brock & Blackwell followed with $5.1bn, and Blake Cassels & Graydon with $4.5bn.

Meanwhile, in terms of volume, Fasken Martineau DuMoulin led by handling seven deals.

McCarthy Tetrault ranked second in volume, advising on five deals.

Cassels Brock & Blackwell ranked third with five deals, A&O Shearman handled four and Blake Cassels & Graydon managed three.

GlobalData lead analyst Aurojyoti Bose said: “Fasken Martineau DuMoulin, apart from leading by volume in Q1 2026, also gave close competition for the top position by value. While McCarthy Tetrault led the chart by value, Fasken Martineau DuMoulin missed the top spot by a whisker and occupied the second position by this metric with $7bn in total deal value in Q1 2026.

“Interestingly, both the firms advised on two billion-dollar deals each during the quarter, which helped them solidify their leadership positions in terms of value during the quarter. Moreover, apart from leading by value in 2026, McCarthy Tetrault also occupied the second position by volume with five deals.”

GlobalData’s league tables are based on the real-time tracking of thousands of company websites, advisory firm websites and other reliable sources available in the secondary domain. A dedicated team of analysts monitors all these sources to gather in-depth details for each deal, including adviser names.

To ensure further robustness of the data, the company also seeks submissions of deals from leading advisers.