About A.H. MacSkimming Law Office

A.H. MacSkimming Law Office is a mining and energy law practice based in Winnipeg, Manitoba, with a second office in Toronto's First Canadian Place tower. It's organized around three practice areas: mining law, energy law, and a growing defence practice. The firm is a solo practice built around principal Andrew H. MacSkimming, who draws on an extensive network of outside counsel when a matter needs a larger team.

MacSkimming was called to the Ontario bar in July 2005 and is licensed to practice in both Manitoba and Ontario, with more than 20 years of post-call experience. Before focusing on mining and energy work, MacSkimming held a mix of public and private sector roles, including senior political advisor to federal cabinet ministers, positions in the federal public service, and work as an energy and climate change consultant. That government relations background carries into the firm's current files, several of which involve First Nations matters alongside transactional and regulatory mining and energy work.

MacSkimming holds an LL.M. in Environmental Law from Vermont Law School (2004) and a B.C.L. and LL.B. from McGill University (2002), along with certificates in P3s and mining law from Osgoode Hall Professional Development. The Province of Manitoba later named MacSkimming Vice Chair of its Expert Advisory Council on the province's climate and green plan and appointed MacSkimming to its Liaison Committee on Mining and Exploration.

Practice areas

Not listed

In the community

  • MacSkimming publishes select articles and case briefs on LinkedIn, including a case brief on an Ontario Court of Appeal decision affecting royalty holders and a piece tracking federal investment review law and the mining sector.
  • An earlier piece on provincial critical minerals plans appeared in the July 2, 2021 edition of the Natural Resources Law Network.
  • MacSkimming also writes a Substack, UnsettledFutures, addressing geopolitical uncertainty and scenario planning.

Good to know

A person using a wheelchairAccessible parking

Offices 2

201 Portage Ave., 18th Floor, Winnipeg, Manitoba, Canada R3B 3K6

First Canadian Place, 100 King St W, Suite 5600, Toronto, Ontario, Canada M5X 1C9

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This listing was generated by AI from public sources in July 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Law Society of Manitoba directory ↗

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