Dennis G. Dimagiba


Dennis Dimagiba heads Quisumbing Torres' Tax Practice Group. He advises multinational companies with Philippine operations on general tax planning, customs compliance and valuation issues, and represents clients in tax and customs controversies. He also advises private banks on wealth management and tax and legal issues pertaining to high net worth individuals. He has 35 years of experience in his field, and has been recognized as a leading individual in the area of tax by The Legal 500 Asia Pacific, International Tax Review and Chambers Asia Pacific. Under his leadership, Quisumbing Torres received the awards for National Tax Firm of the Year (2018-2019) and Tax Disputes Firm of the Year 2010 from the International Tax Review. Dennis is a certified public accountant. He has spoken on Philippine tax updates and wealth management issues in various conferences and presentations locally and abroad. He is a member of the Tax Management Association of the Philippines, where he also served as its president in 2012.

Practice Focus

Dennis advises on various aspects of general tax planning, distribution and supply chain tax planning, tax and customs audits and compliance, customs and tax controversies, multinational tax planning for mergers and acquisitions including pre-spin-off and post-acquisition restructuring and corporate restructuring exercises, claims for refunds and tax credits, taxation of commercial and financial transactions, among others. His practice also covers WTO and trade matters as well as tax structuring of mining, infrastructure, oil and gas, power, telecommunications, transportation and privatization projects.

Representative Legal Matters

  • Assist one of the largest US-based electronic commerce retail company on the following matters: (a) Philippine tax implications and entitlement to incentives of a new entity that will provide certain services to Philippine customers, and (b) Philippine tax implications of new product offerings.

  • Advise and assist one of the largest multinational pharmaceutical companies in contesting a tax assessment relating to the sale of the shares of stock of a subsidiary, involving the difficult issue of valuation of shares.

  • Advise a leading music streaming service provider on the proper characterization of payments it was receiving monthly from a partner telecommunications company in the Philippines.

  • Advise a global leading provider of diversified and innovative healthcare solutions on the tax implications of its excess accumulated retained earnings.

  • Advise an online hotel booking services on the tax issues related to the client's establishment of a Philippine office, as well as tax issues related to the closing down of the client's representative office.

  • Assist and advise an industry-leading manufacturer of water systems equipment and machinery in connection with the deficiency tax assessments issued by the Bureau of Internal Revenue for taxable year 2004.

  • Assist a renowned fashion brand in the registration of its different branches with the relevant Revenue District Offices of the Bureau of Internal Revenue and enrolment in the BIR's online systems. Provide advice on various tax matters.

  • Advise a global investment advisory firm on the tax and securities law implications of the proposed structure for the establishment of an offshore trust by a Filipino settlor.

  • Advise a global business support services company, with clients in the communications, financial services, healthcare, retail and tech industries on options available and most efficient manner of repatriating cash out of the country with a view to minimizing tax leakage.

  • Advise several private banks on tax and estate planning, for their ultra high net worth customers.

Professional Honors

  • Leading Individual in Tax, The Legal 500 Asia Pacific, 2007-2020
  • Leading Individual in Tax, Chambers Asia Pacific, 2008-2020
  • Indirect Tax Leader, International Tax Review, 2017-2019
  • Tax Controversy Leader, International Tax Review, 2013-2019

Professional Associations and Memberships

  • Canadian Chamber of Commerce of the Philippines
  • International Bar Association
  • Integrated Bar of the Philippines
  • Philippine Chamber of Commerce and Industry
  • Tax Management Association of The Philippines


  • Philippines (1985)
  • Certified Public Accountant~Philippines (1980)


  • Ateneo de Manila University (LL.B.) (1984)
  • De La Salle University (B.Sc. Accounting) (1979)
  • De La Salle University (A.B. Economics) (1979)


  • English
  • Filipino


Co-author, "Financial and Business Crime - Thomson Reuters: Practical Law," Thomson Reuters, 2018

Co-author, "Building a Legacy-Empowering Family Businesses for Generations," Baker McKenzie, 2017

Co-author, "Amendment to the Guidelines in the Tax Treatment of Separation Benefits," Baker McKenzie, 2016

Co-author, "Philippine Bureau of Internal Revenue Issues," Revenue Memorandum Circular No. 36-2015 Requiring One-time Submission of Inventory List of CRM/POS, Baker McKenzie, 2015

Co-author, "Handling Tax Controversy in the Philippines," Baker McKenzie, 2013