Frederik Heitmüller

Frederik Heitmüller

This profile is also available in French

Journal Article

Relieving Double Taxation on Cross-Border Services: A Comparative Analysis of Major Exporting Countries

July 2026
Frederik Heitmüller, Aisha Aize Isa, Florian Dierich, Yvette Nakibuule Wakabi

Research in Brief

Global Rules, Local Realities: Lessons from the Global South on International Tax Standards

June 2026
Martin Hearson, Frederik Heitmüller, Florian Dierich

Working Paper

Global Rules, Local Realities: Lessons from the Global South on International Tax Standards

June 2026
Martin Hearson, Frederik Heitmüller, Florian Dierich

Partner PublicationPolicy Brief

The G20’s Crucial Role in an Uncertain Landscape of International Tax Cooperation

November 2025
Suranjali Tandon, Martin Hearson, Frederik Heitmüller, Florian Dierich

Research in Brief

The International Tax Regime Complex: Understanding Change in Global Tax Governance

May 2025
Katharina Kuhn, Lucinda Cadzow, Frederik Heitmüller, Martin Hearson, Tovony Randriamanalina

Research in Brief

Scenarios for Negotiating a UN Framework Convention on International Tax

February 2025
Frederik Heitmüller

Virtual

5 June 2025 – 15:00

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Timezone: Europe/London

The Institute for Austrian and International Tax Law and the Global Tax Policy Centre at the Vienna University of Economics and Business (WU Vienna) are hosting a panel discussion on the “Future of International Tax Governance”, in the context of

In person

4 February 2025 – 18:00

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Timezone: America/New_York

Millennium Hilton New York One UN Plaza, New York, NY, USA

This workshop is aimed at tax experts and non-tax practitioners engaging in the negotiations of the protocols of the United Nations Framework Convention on International Tax. Join ICTD and the International Institute for Sustainable Development (IISD) for an in-person only

Virtual

12 July 2024 – 12:00

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Timezone: Europe/London

Following last year’s historic vote supporting the establishment of a new UN Framework Tax Convention, a UN Ad Hoc Group has now been convened and a zero draft terms of reference (TOR) for a future UN Framework Tax Convention has