Jones Day Welcomes Tax Controversy Lawyer Thomas Ickeringill in Melbourne
Thomas Ickeringill has joined Jones Day as of counsel in its Tax Practice. He is based in the Firm's Melbourne Office.
Mr. Ickeringill brings nearly 15 years of professional tax experience across Australia and the United Kingdom, with a practice focused on tax controversy involving international tax, transfer pricing, Mutual Assistance Procedures, and integrity measures. Most recently, he served as a Tax Controversy Partner at EY in Melbourne, where he conducted large scale tax disputes including audits, litigation preparation, and settlements.
"Tom is an important strategic addition to the growing Jones Day global tax controversy team,” said Dr. Niv Tadmore, Partner-in-Charge of Jones Day's Melbourne Office. "Cross-border tax disputes involving two or more countries are on the rise, chiefly driven by the evolving global geo-economic conditions and the unfolding post-BEPS dynamics. In Australia, transfer pricing, intangibles and GAAR disputes remain key focus areas. Tom is joining a very seasoned tax controversy team in Australia and globally and his experience with disputes before both the ATO and HMRC will fit perfectly. With his active and well-regarded presence in the international tax community, I look forward to our work together. His arrival also continues our broader active growth in Australia in other practice areas following five lateral partners added this year."
At Jones Day, Mr. Ickeringill joins a global Tax Practice offering the full spectrum of tax disciplines — including front-end tax advice, tax counseling, and tax controversy and litigation and is a strong fit among the Firm’s internationally recognized tax litigators.
"Tom brings a rare combination of technical experience and hands-on litigation experience across tax controversy, transfer pricing, and anti-avoidance matters, developed over nearly 15 years advising clients through some of the most complex disputes facing the ATO and HMRC," said Ed Kennedy, co-leader of Jones Day's Tax Practice. "His track record guiding multinational clients through audits, reviews, and settlement negotiations, together with his standing in the international tax community, make him a strong addition to our Tax Practice. Clients across the region and around the world will benefit greatly from his judgment and experience."
Mr. Ickeringill is activity in the international tax community includes serving as Chair of the organizing committee for The Tax Institute's International Masterclass, and as a member of the International Fiscal Association Australian Executive Committee, where he has served as the Australian branch reporter for two prior Congresses and currently serves on the organizing committee for the 2026 Melbourne Congress. He earned an MSc in Taxation with Distinction from the University of Oxford, graduating as the top student in his cohort. He also holds a BCom/LLB (Hons) from the University of Melbourne, graduating with First Class Honours.
"I am excited to join Jones Day because of the Firm's deep commitment to collaboration, both across offices and across practices, and its deep capability across tax disciplines," said Mr. Ickeringill. "I look forward to being part of that culture and contributing to the strength of the global Tax Practice, working alongside colleagues across borders and practices to deliver practical, business-focused solutions for clients."
