Our experience,
your success.

It brings us immense personal satisfaction to apply our knowledge and values to get you the best results.

Dean Blachford

Tax Lawyer

Dean Blachford is a tax lawyer specializing exclusively in tax dispute resolution and litigation. Over the past decade, he has helped hundreds of individuals and businesses, from across Canada, solve their tax matters with CRA, putting the stress and anxiety behind them.

Dean represents clients with significant tax disputes at the audit, objection, or Tax Court stage. He loves collaborating with CPAs to get the best result possible for their clients.

Dean is frequently cited in media publications, such as Bloomberg and the Toronto Star. He has published articles with the Canadian Tax Foundation and Thomson Reuters. He is on the Programs Committee of the Ottawa Chapter of CPA Ontario. Blachford Tax Law’s annual Tax Dispute Update webinar is attended by hundreds of CPAs across Canada..

He began his career as a lawyer for the judges of the Tax Court of Canada after being selected for the Court’s prestigious clerkship program. This gave him a behind-the-curtains perspective on what it takes to win tax disputes.

Dean graduated from the University of McGill’s Faculty of Law with degrees in common law (LL.B.) and civil law (B.C.L.).

Ella Sui

Law Clerk and Office Controller

Ella Sui is a certified law clerk who has developed expertise in tax disputes, including managing evidence, communicating with the CRA, and making filings to the Tax Court of Canada.

Ella is extremely self-driven and dedicated to the success of our clients. She is the co-owner of her parents’ family restaurant and embodies their work ethic and entrepreneurial spirit. Her experience as a business owner helps her empathize with our clients and understand the frustrations they face from their tax disputes.

Ella is fluent in Mandarin and French. She has a bachelor’s degree in English literature from the University of Ottawa and graduated with honors from Algonquin College’s Law Clerk Program.

our values

Dedicated

We are devoted to the people we serve and partner with. We are self-driven, committed, and determined to achieve the best outcome for everyone we work with.

Strategic

We develop a unique strategy for each of our clients. We listen carefully, analyze effectively, and plan accordingly, so there is purpose behind every move we make.

Collaborative

We are team players. Our relationships and success are built on trust, communication, understanding, and working together towards a common goal.

COMMUNITY ENGAGEMENT

Dean Blachford frequently presents on tax-related topics to CPA Ottawa, the Canadian Bar Association, the County of Carleton Law Association, Royal LePage Team Realty, and Video Tax News. Each year, he and Ella Sui help organize CPA Ottawa’s Tax Update, which is attended by upwards of 350 Ottawa-based accountants.

Dean has given numerous guest lectures and panel presentations related to tax law at the University of Ottawa Faculty of Law. He is considered an expert by Taxnet Pro and writes for Thomson Reuters publications.

Dean speaking at the 2019 CPA Ottawa Tax Update

The 2019 charity softball game organized by Dean and Ella

Dean and Ella organize an annual charity softball game with players from Ottawa’s accounting firms. In 2021, 29 accounting professionals from 16 firms participated. The game has raised funds for the Ottawa Cancer Foundation, the Children’s Hospital of Eastern Ontario (CHEO), Open Doors for Lanark Children and Youth, and the Ottawa Humane Society.