McCarthy Tétrault’s Calgary office is where much of the firm’s national oil and gas practice is run, according to Chambers. It works from the TD Canada Trust Tower on 7th Avenue SW as part of the firm’s national Business Law Group.
Lawyers there focus on oil and gas, power, renewables and energy-transition work, together with infrastructure, regulatory, environmental and Indigenous law, and the office has its own litigation group, whose practice lead concentrates on corporate-commercial disputes in the energy industry. In June 2026 the firm added a regulatory partner in Calgary and described continued investment in the Calgary market. Typically suits energy and infrastructure companies.
Two Alberta bodies regulate most energy activity, and a third, the federal regulator, handles interprovincial pipelines. A short map of who decides what.
Read the LawDB guideGeneral guidance for this kind of matter, not advice about your situation and not specific to this firm.
Energy work is usually billed hourly, with larger transactions staffed across corporate, tax, environmental and regulatory lawyers. Ask which of those teams your estimate includes, and how third-party costs such as expert reports and regulatory filing fees are handled.
The property or project details, any existing agreements such as joint operating agreements, leases or purchase and sale agreements, regulatory correspondence, and the timeline you need to meet. For a regulatory or approvals matter, bring the application history and any conditions already imposed.
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