Atty. Nancy Diep

Atty. Nancy Diep

Nancy's practice focuses primarily on the tax aspects of mergers, acquisitions and reorganizations, including cross-border transactions or financings and intragroup restructurings. She is particularly experienced in the area of resource taxation.

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Profile Summary

About Nancy Diep at a glance

Nancy Diep is a tax attorney based in Calgary, Alberta, practicing at Lawson Lundell LLP. Recognitions include Best Lawyers in America — Tax Law (2026), Best Lawyers in America — Awards: (2026), and Best Lawyers in America — International Tax Review’s World Tax Rankings: Women in Tax (2026). Serands clients in Calgary, AB and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Nancy's practice focuses primarily on the tax aspects of mergers, acquisitions and reorganizations, including cross-border transactions or financings and intragroup restructurings
  • She is particularly experienced in the area of resource taxation
  • Nancy has worked on a wide variety of transactions for multinationals, private companies, senior, intermediate and junior resource issuers and private equity groups

Practice Areas Explained

Nancy Diep's Areas of Practice

Each practice area below reflects the types of cases Nancy Diep handles, with a brief overview of what that area of law covers.

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Nancy Diep is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Alberta →

Jurisdictional Context

Why local counsel matters in Alberta

Practicing law in Alberta. Legal matters in Alberta are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Calgary are typically filed in the local municipal court or the appropriate Alberta state district court, depending on subject matter and amount in controversy. An attorney licensed in Alberta brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Alberta courts without local counsel or pro hac vice admission.

Looking for additional Alberta attorneys? Browse all attorneys in Calgary or all attorneys in Alberta.

Frequently Asked

Common questions about Nancy Diep

Where is Nancy Diep's law office located?
Nancy Diep's law practice is located in Calgary, Alberta. The firm is Lawson Lundell LLP. You can contact the office directly through this profile page.
What practice areas does Nancy Diep handle?
Nancy Diep focuses on tax. Each practice area listed reflects experience handling cases of that type in Alberta.
How can I contact Nancy Diep for a consultation?
You can contact Nancy Diep directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Nancy Diep received?
Nancy Diep's notable recognition includes: Best Lawyers in America — Tax Law; Best Lawyers in America — Awards:; Best Lawyers in America — International Tax Review’s World Tax Rankings: Women in Tax; Best Lawyers in America — Chambers Canada: Tax; Best Lawyers in America — Chambers Global: Tax.

Practice Areas

Awards

Best Lawyers in America — Tax Law
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — International Tax Review’s World Tax Rankings: Women in Tax
- 2026
Best Lawyers in America — Chambers Canada: Tax
- 2026
Best Lawyers in America — Chambers Global: Tax
- 2026
Best Lawyers in America — Canadian Legal Lexpert Directory: Corporate Tax
- 2026

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