About the LawyerDavid J. Rotfleisch is one of Canada’s most experienced and credentialed tax lawyers, bringing over 35 years of tax litigation, planning, and dispute-resolution expertise to clients across the country. He is a founding Canadian tax lawyer and one of only 16 Ontario Certified Specialists in Taxation as of 2026. A rare dual-qualified professional, he is both a lawyer and a Chartered Professional Accountant and has completed the esteemed CICA In-Depth Tax Course, allowing him to blend legal strategy with accounting precision.Based in Toronto, David is the founding tax lawyer of Taxpage.com / Rotfleisch & Samulovitch P.C., a boutique Canadian tax law firm established in 1987 that focuses on income tax disputes and related controversy work. His practice encompasses the full spectrum of contentious Canadian tax matters, including CRA tax audits and investigations, tax reassessments, tax litigation, and voluntary disclosures. He regularly represents individuals and businesses before the Canada Revenue Agency and the Tax Court of Canada, handling complex and often high-stakes disputes involving income tax, GST/HST, international tax compliance, and cryptocurrency-related tax controversies.David’s practice spans the full spectrum of Canadian income tax and cryptocurrency taxation. He advises Canadian taxpayers, start-ups, resident and non-resident business owners, corporations, and high-net-worth individuals on matters ranging from routine compliance to highly complex tax and estate planning. Over his extensive career, he has represented several clients in voluntary disclosures, tax audits, and every stage of tax dispute resolution and litigation.With additional professional experience in the computer and IT industry, David brings technical insight into blockchain systems, smart contracts, crypto business models, and the legal challenges of emerging technologies. This combination of deep tax proficiency and digital-asset expertise uniquely positions him to advise innovation-driven businesses operating across both traditional and digital economies, particularly when their activities give rise to contentious or litigated tax positions.ExperienceDavid has practiced tax law continuously for well over three decades, with more than 35 years devoted primarily to Canadian tax controversy and related advisory work. He became a chartered accountant in 1977, was called to the Ontario bar in 1983, and founded his tax law firm in 1987. Since then, he has developed a national practice focused on resolving disputes with the Canada Revenue Agency and litigating tax matters before the Tax Court of Canada and other judicial forums.As a founding partner of Rotfleisch & Samulovitch P.C., David has overseen a wide range of contentious tax files for entrepreneurs, privately held corporations, multinational businesses, resident and non-resident taxpayers, and high-net-worth individuals. His work frequently involves CRA tax audits, objections, appeals, and negotiated settlements, as well as fully contested hearings when litigation is required. He is deeply experienced in disputes involving income tax, GST/HST, director liability, penalties, offshore reporting failures, and the taxation of cryptocurrency and other digital assets.David has extensive experience guiding clients through the Voluntary Disclosures Program in circumstances involving serious tax non-compliance, unreported offshore income, and failures to file required returns or information forms. His background as both a lawyer and CPA allows him to analyze complex financial records, reconstruct disputed transactions, and present technically sound positions in both negotiations with CRA and formal litigation. He has also provided expert tax opinions in the context of broader commercial and estate disputes, where tax treatment and potential CRA challenges are central issues.SpecialtyDavid’s practice is concentrated on Canadian tax litigation and tax controversy, with a strong emphasis on defending taxpayers in disputes with the Canada Revenue Agency and, when necessary, before the courts. Within the broader field of tax law, his key focus areas include:

Tax Dispute Resolution and Litigation: Representation at all stages of the dispute process, from audit and internal CRA appeals to Tax Court of Canada proceedings and related negotiations, including settlements and consent judgments.
CRA Tax Audits and Investigations: Advising and representing clients during income tax and GST/HST audits, net-worth and lifestyle audits, and more intensive CRA investigations arising from suspected non-compliance or aggressive tax positions.
Voluntary Disclosures (Tax Amnesty): Assisting individuals and businesses with voluntary disclosures to correct past non-compliance, reduce penalties and interest exposure, and mitigate the risk of prosecution.
Corporate & Business Tax Controversy: Handling disputes involving corporate reorganizations, shareholder loans, director liability assessments, cross-border transactions, and the tax treatment of complex business structures.
Estate and Succession-Related Tax Disputes: Addressing contentious income tax and related issues arising from estate freezes, succession planning structures, and post-mortem tax assessments.
Real Estate Taxation Disputes: Advising on contested assessments involving the income tax and GST/HST treatment of real estate development, residential and commercial property sales, and short-term rental activities.
Crypto Taxation and Digital-Asset Controversy: Representing taxpayers in disputes involving cryptocurrency trading, staking, decentralized finance arrangements, and cross-border crypto holdings, including CRA audits and reassessments targeting digital-asset transactions.
International and Offshore Tax Compliance Disputes: Managing controversies involving foreign income reporting, offshore structures, non-resident taxation, and the tax implications of immigrating to or emigrating from Canada.

Education

J.D., Osgoode Hall Law School
B.Com., McGill University

Chartered Professional Accountant (CPA), Canada
CICA In-Depth Tax Course

Member, Canadian Bar Association
Member, Law Society of Ontario
Chartered Professional Accountant (Lifetime Member), Canada

About the LawyerDavid J. Rotfleisch is one of Canada’s most experienced and credentialed tax lawyers, bringing over 35 years of tax litigation, planning, and dispute-resolution expertise to clients across the country. He is a founding Canadian tax lawyer and one of only 16 Ontario Certified Specialists in Taxation as of 2026. A rare dual-qualified professional, he is both a lawyer and a Chartered Professional Accountant and has completed the esteemed CICA In-Depth Tax Course, allowing him to blend legal strategy with accounting precision.As the founding partner of Rotfleisch & Samulovitch P.C. and the lawyer behind Taxpage, he has devoted the bulk of his more than three decades in practice to Canadian tax planning and tax dispute work. His practice encompasses the full spectrum of Canadian tax law with a strong emphasis on income tax planning for individuals and businesses, tax-efficient structuring of transactions, and resolving complex issues arising from Canada Revenue Agency (CRA) audits and reassessments. He regularly advises entrepreneurs, privately held corporations, multinational businesses, resident and non-resident taxpayers, and high-net-worth individuals on the tax planning implications of their business, investment, and cross-border activities.David’s practice also spans the fast-evolving area of cryptocurrency taxation, where he focuses on planning for crypto investors and businesses, as well as integrating digital assets into broader personal and corporate tax strategies. With additional professional experience in the computer and IT industry, he brings technical insight into blockchain systems, smart contracts, crypto business models, and the legal challenges of emerging technologies. This combination of deep tax proficiency and digital-asset expertise uniquely positions him to advise innovation-driven businesses operating across both traditional and digital economies, particularly where tax planning must accommodate complex, technology-driven revenue models.Through Taxpage.com and related platforms, David publishes in-depth analysis on Canadian tax planning, CRA practices, tax audits, voluntary disclosures, and the tax treatment of emerging asset classes. He is frequently consulted on the tax planning dimensions of immigration and emigration, offshore compliance, real estate ownership structures, and intergenerational wealth transfers, helping clients anticipate and mitigate tax exposure before disputes arise.ExperienceDavid has been continuously engaged in Canadian tax practice for well over 35 years, with his tax-focused career beginning shortly after being called to the Ontario bar in 1983. He founded his boutique tax law firm in 1987, building it into a nationally recognized practice concentrating on income tax planning, CRA tax audits, voluntary disclosures, and tax dispute resolution. Over the decades, he has acted for a broad spectrum of clients, from owner-managed businesses and start-ups to multinational enterprises and non-resident investors with Canadian tax exposure.His experience covers the entire lifecycle of tax matters, with a particular focus on proactive planning to prevent costly disputes. He structures corporate reorganizations, business acquisitions and dispositions, and real estate holdings to optimize tax outcomes. He also designs estate freezes, succession plans, and holding structures that balance tax efficiency with family and business governance objectives.David has extensive experience guiding taxpayers through CRA audits and reviews with a planning-centric lens, aiming to resolve matters at the earliest possible stage. He has represented numerous clients in voluntary disclosure program (VDP) filings to correct past non-compliance in a tax-efficient manner and to minimize penalties and interest, often involving unreported income, offshore assets, or unfiled returns. Where reassessments are issued, he manages objections and appeals processes, using his deep understanding of tax planning principles to frame persuasive positions before the CRA and, when necessary, the Tax Court of Canada.His background as a Chartered Professional Accountant and his completion of the CICA In-Depth Tax Course provide a strong technical foundation in both the legal and accounting aspects of tax planning. This dual expertise is particularly valuable in complex corporate, transactional, and high-net-worth planning, where financial reporting, valuation, and legal structuring must align to achieve the desired tax result. His early and ongoing involvement in computing and IT further allows him to understand and plan for tax issues arising in software development, high-tech enterprises, and digital-asset ventures.SpecialtyDavid’s work is centred on Canadian tax planning, with a focus on designing and implementing structures that anticipate CRA scrutiny while achieving tax-efficient outcomes. His key areas of tax planning expertise include:

Tax Law – Comprehensive income tax planning for individuals and corporations, including optimizing use of deductions, credits, losses, and deferral opportunities. He advises on the tax consequences of various business and investment strategies, ensuring that clients’ decisions align with current legislation and CRA administrative positions.
Corporate & Business Law (Tax-Focused) – Structuring corporations, partnerships, and joint ventures to minimize tax liabilities, including corporate reorganizations, share restructurings, and intercompany arrangements. He assists entrepreneurs and privately held companies with tax-efficient incorporations, shareholder agreements, buy-sell arrangements, and the tax aspects of mergers, acquisitions, and divestitures.
Estate & Succession Planning – Designing estate and succession plans that reduce immediate and long-term tax burdens, including estate freezes, family trusts, and intergenerational wealth transfers. He advises on planning for deemed dispositions on death, integrating corporate and personal tax considerations, and coordinating cross-border estate issues for clients with assets or heirs in multiple jurisdictions.
Real Estate Taxation – Advising on tax planning for real estate investors, developers, and property owners, including structuring ownership vehicles, managing tax implications of rental income, and planning for dispositions and redevelopment. He focuses on income tax planning related to principal residence exemptions, rental properties, and business-use real estate, alongside GST/HST considerations where they directly affect overall tax planning.
Crypto Taxation – Developing tax strategies for cryptocurrency investors, traders, miners, stakers, and crypto-focused businesses. His planning work addresses characterization of gains (income vs. capital), timing of income recognition, treatment of staking and yield-farming rewards, and integration of digital assets into broader personal and corporate tax plans. He also advises on structuring crypto holdings and transactions to manage audit risk and reporting obligations.
International/Offshore Tax Compliance and Planning – Assisting resident and non-resident clients with cross-border tax planning, including the implications of immigrating to or emigrating from Canada, structuring foreign investments, and managing foreign reporting obligations. He designs strategies to mitigate double taxation, address departure tax, and ensure compliance with offshore income and asset reporting while maintaining tax efficiency.
Voluntary Disclosures and Audit-Related Planning – Crafting voluntary disclosure strategies for individuals and businesses seeking to correct past non-compliance in the most tax-efficient manner available. He also advises on pre-audit and audit-stage planning, helping clients position their affairs and documentation to reduce reassessment risk and support favourable resolution of CRA inquiries.
Technology-Related Tax Planning – Advising technology companies, software developers, and IT entrepreneurs on tax planning for intellectual property, licensing, and digital business models. His background in computer and IT systems allows him to align legal structures and contracts with tax-efficient strategies for high-tech and innovation-driven enterprises.

Education

J.D., Osgoode Hall Law School – Legal training with a concentration that led to a career in tax planning, tax litigation, and dispute resolution.
B.Com., McGill University – Commerce education providing foundational knowledge in accounting, finance, and business practices that underpin his tax planning work.

In addition to his formal degrees, David is a Chartered Professional Accountant (Lifetime Member) and has completed the CICA In-Depth Tax Course, a rigorous advanced tax program that strengthens his technical capabilities in complex tax planning. He is a member of the Canadian Bar Association and the Law Society of Ontario, reflecting his ongoing engagement with the legal profession and developments in Canadian tax law.

Awards
- David J. Rotfleisch is described as a “leading Canadian tax lawyer” and a “certified specialist in taxation,” indicating recognized professional standing in tax law. Source
- Global Law Experts notes that David J. Rotfleisch received an “Award – Best Tax Blog in Canada – September 2025,” reflecting recognition tied to his tax publication and thought leadership. Source
Industry Rankings
- Global Law Experts profiles David J. Rotfleisch as a recognized practitioner in tax litigation and tax planning, identifying him as a leading Canadian tax lawyer. Source
- Global Advisory Experts similarly highlights David J. Rotfleisch as a founding Canadian tax lawyer and certified specialist in Canadian income tax law. Source
Leadership Roles
- David J. Rotfleisch is the founding tax lawyer of Taxpage.com and Rotfleisch & Samulovitch P.C., reflecting leadership in the firm’s tax practice. Source
Contributions to Award-Winning Projects
- David J. Rotfleisch’s tax blog at Taxpage was recognized with a “Best Tax Blog in Canada” award in September 2025, showing his contribution to an award-winning publication. Source