- Home
- Expertise
- Tax Dispute Resolution

Resolving Disputes with the Tax Authorities
Digitalization, economic conditions and public policy are changing the shape of taxation worldwide. With scrutiny by tax authorities increasing, multinational entities need comprehensive understanding and fresh approaches to prevent and resolve tax disputes.
With deep understanding of procedural rules and substantive issues, clients benefit from Baker McKenzie’s creative approaches to problem solving. Baker McKenzie’s Tax Dispute Resolution team includes former tax enforcement and government officials from key jurisdictions worldwide. From controlling the flow of information during audits to presenting persuasive arguments in court, appeals and alternative dispute resolution proceedings, our experienced tax litigators advise clients at all stages of disputes.
How we can help:
- Planning assistance
- Litigation analysis
- Pre-audit preparations
- Audit and collection proceedings
- Protests and appeals
- Litigation in the courts
- International tax law and procedure
- Criminal defense
- Rulings and reform advocacy
Using our deep expertise and lengthy experience, we have successfully litigated some of the largest tax disputes on record worldwide.
Recent Accolades
- Tax Disputes Firm of the Year in Singapore and Thailand, Asia Tax Awards, International Tax Review 2020
- European Tax Disputes Firm of the Year, European Tax Awards, International Tax Review 2020
- Latin America Litigation and Disputes Firm of the Year, European Tax Awards, International Tax Review 2020
- Band 1, Tax Controversy, Chambers USA 2020
- Tier 1, US Taxes: Contentious, Legal 500 United States 2020
- Tier 1 in Tax Controversy in Belgium, France, Indonesia, Malaysia, Mexico, Peru, Spain, Turkey, Venezuela, and in the United States, Illinois, New York, and Texas, International Tax Review World Tax Guide 2021
Related Insights
- Resolving Disputes with the Tax Authorities
- Will Pillar 1 gain impetus and reach a consensus based solution in 2021?
- OECD guidance on transfer pricing implications of COVID-19
Key Contacts
![]() |
![]() |
![]() |
![]() |
![]() |
Jorge Narvaez-Hasfura (Mexico City) |
Antonia Azpeitia (Madrid) |
Jose Barnola Jr. (Mexico City) |
George Clarke (Washington, DC) |
Ponti Partogi (Jakarta) |
Amid intensifying scrutiny by tax authorities across Asia and the Pacific Rim, Baker McKenzie helps multinational entities prevent disputes through proactive compliance, and anticipate and defend against potential audits. In the event of tax controversies, our experienced team helps you pursue the best remedies for your organization before regulators and courts.
Recent Accolades
- Tax Disputes Firm of the Year in Singapore and Thailand, Asia Tax Awards, International Tax Review 2020
- Tier 1 in Tax Controversy in Indonesia and Malaysia, International Tax Review World Tax Guide 2020
Related Insights
- Resolving Disputes with the Tax Authorities
- Will Pillar 1 gain impetus and reach a consensus based solution in 2021?
- January 2021 International Trade Compliance Update
Key Contacts
![]() |
![]() |
![]() |
![]() |
![]() |
Ponti Partogi (Jakarta) |
Edwin Whatley (Tokyo) |
Dennis Lee (Taipei) |
Simone Bridges (Sydney) |
Allen Tan (Singapore) |
. | ||||
![]() |
![]() |
![]() |
![]() |
![]() |
Brendan Kelly (Shanghai and Beijing) |
Adeline Wong (Kuala Lumpur) |
Steven Sieker (Hong Kong) |
Fred Burke (Ho Chi Minh City/Hanoi) |
Panya Sittisakonsin (Bangkok) |
Through representation before the European Court of Justice, criminal investigations by local tax authorities, and new tax challenges, multinational entities have trusted Baker McKenzie’s European Tax Dispute Resolution Team as their counsel.
Our team provides you with broad experience and insight into the policy, laws and enforcement practices across the region. Combined with deep insight into local laws and enforcement practices, our integrated team of practitioners can help you address all multijurisdictional aspects and effects of audits or disputes, as well as anticipate and adapt to new rules.
Recent Accolades
- European Tax Disputes Firm of the Year, European Tax Awards, International Tax Review 2020
- Tier 1 in Tax Controversy in Belgium, France, Italy, France, Spain, Turkey, International Tax Review World Tax Guide 2021
Related Insights
- Resolving Disputes with the Tax Authorities
- Will Pillar 1 gain impetus and reach a consensus based solution in 2021?
- January 2021 International Trade Compliance Update
Key Contacts
![]() |
![]() |
![]() |
Maria Antonio Azpeitia (Madrid) | Maria Kostenko (Moscow) | Ariane Calloud (Paris) |
. | ||
![]() |
![]() |
|
Eric Meier (Paris) | David Jamieson (London) |
Prevent tax disputes in Latin America through proactive compliance, and anticipate and defend against potential audits in the region’s 20 jurisdictions with the advice of Baker McKenzie. Our Latin America Tax Dispute Resolution Practice provides you with broad experience and insight into the laws and enforcement practices across the region. Combined with deep insight into local laws and enforcement practices, our integrated team of practitioners can help you address all multijurisdictional aspects and effects of audits or disputes, as well as anticipate and adapt to new rules affecting your existing structures in Latin America.
Recent Accolades
- Latin American Litigation and Disputes Firm of the Year, Americas Tax Awards, International Tax Review 2020
- Tier 1 in Tax Controversy in Mexico, Peru and Venezuela, International Tax Review World Tax Guide 2020
Related Insights
- Resolving Disputes with the Tax Authorities
- Will Pillar 1 gain impetus and reach a consensus based solution in 2021?
- January 2021 International Trade Compliance Update
Key Contacts
![]() |
![]() |
![]() |
Jose P. Barnola (Caracas) | Martin Barreiro (Argentina) | Luis Adrian Jimenez Robles (Mexico) |
. | ||
![]() |
![]() |
![]() |
Alberto Maturana (Chile) | Ciro Meza (Colombia) | Rolando Ramirez-Gaston (Peru) |
Navigate and resolve audits with the Internal Revenue Service, Canadian Revenue Authority, state tax authorities and those worldwide with Baker McKenzie’s North American Tax Dispute Resolution Practice. The team has advised clients on managing and mitigating risk in the United States, Canada, Mexico and at state and local levels for more than 40 years.
Trusted tax counsel for many of the highest profile tax cases on record, we are well-regarded for litigation and the appeals process. For jurisdictions across North America, clients have turned to Baker McKenzie to advise on:
- Managing and mitigating risk, identifying the issues most likely to face IRS and CRA scrutiny, and mitigating risk through strong, contemporaneous support and comprehensive strategies for bringing issues to successful resolution.
- Navigating IRS and CRA audits, including tax authority information requests and how to manage the audit process.
- Resolving disputes with the tax authorities, advocating for and helping clients to navigate and identify the best administrative dispute resolution mechanisms available to you, including IRS Appeals, the MAP process, Advance Pricing Agreements or other options.
Recent Accolades
- Band 1, Tax Controversy, Chambers USA 2020
- Tier 1, US Taxes: Contentious, Legal 500 United States 2020
- Tier 1 in Tax Controversy in Mexico, and in the United States (including Illinois, New York, and Texas), International Tax Review World Tax Guide 2020
Related Insights
- Resolving Disputes with the Tax Authorities
- Will Pillar 1 gain impetus and reach a consensus based solution in 2021?
- January 2021 International Trade Compliance Update
Key Contacts
![]() |
![]() |
![]() |
![]() |
![]() |
George Clarke (Washington, DC) |
Summer Austin (Washington, DC) |
Scott Frewing (Palo Alto) |
Drew Crousore (Palo Alto) |
Dan Rosen (New York) |
. | ||||
![]() |
![]() |
![]() |
![]() |
![]() |
Erin Gladney (New York) |
Bobby Albaral (Dallas/Houston) |
Joy Williamson (Dallas/Houston) |
Mark Oates (Chicago) |
Susan Ryba (Chicago) |
. | ||||
![]() |
![]() |
![]() |
||
Mark Roche (San Francisco) |
Jorge Narvaez-Hasfura (Mexico City) |
Jacques Bernier (Toronto) |