The concept of a principal company structure (PCS) is far from new, yet national tax regimes are increasingly targeting these structures for enhanced and aggressive scrutiny. While this increased scrutiny is not limited to Swiss-based PCSs, Carl Bellingham and John Lindstrom of PwC warn that tax authorities may focus on a Swiss-based PCS due to the sheer number of such structures in Switzerland.
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The French administration has used AI to detect undeclared swimming pools and verandas but always includes a human in the loop, the AI in Tax Forum heard
India’s Supreme Court rattled cross‑border structuring with its Tiger Global ruling. Subsequent rule changes narrowed the impact, but significant risks around GAAR, substance and treaty access persist
ITR sat down for a pre-event interview with Tim Zech, WTS Germany, and Jeff Soar, WTS UK, keynote speaker at next week’s ITR AI in Tax Forum 2026 in London