Jan De Clercq

Deloitte Global Leader, Tax Transformation Consulting

+31 882 886 953

Contact

Jan is a tax management consulting partner based in the Netherlands. He focuses on delivering strategic guidance and innovative tax automation technologies to help businesses to automate and advance their indirect tax functions, including tax ERP integration, tax data analytics, e-learning, and strategic indirect tax reviews.

Jan previously worked in Deloitte in the US and Deloitte’s global tax centre in Brussels.

Published by this author:

Sponsored

Sponsored by Deloitte

Agentic AI and indirect tax: a practical view for tax directors

Ronnie Dassen and Jan De Clercq of Deloitte Global outline how agentic AI can support indirect tax teams in managing compliance pressures, improving data quality, and freeing capacity for higher-value advisory work

Ronnie Dassen, June 12 2026
Sponsored

Sponsored by Deloitte

Making the business case for tax in an ERP transformation

Haryati Hamzah, Jan De Clercq, and Stephen Losavio of Deloitte share lessons on how tax leaders can get more of what they need in ERP system upgrades to help keep pace with tax authorities’ growing demands

Haryati Hamzah, February 08 2024
Sponsored

Sponsored by Deloitte

Are you ready to build a stronger tax function?

Businesses want their tax functions to be more strategic. Guy Seeger and Jan De Clercq of Deloitte explain how you can deliver on those expectations.

Guy Seeger, September 30 2022
Sponsored by Deloitte Switzerland

Upgrading to SAP S/4 HANA: The evolving role of the tax function in large multinationals

S/4 HANA has long-been touted as an innovative business suite that could act as a catalyst for customers undergoing digital transformation. Martin Krivinskas and Jan de Clercq of Deloitte outline how and why the developments should be embraced by multinational companies for tax-related purposes.

Jan De Clercq, February 05 2020