Greig Simms becomes a partner at Mazars

International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Greig Simms becomes a partner at Mazars

Simms_Greig_Mazars 100 x 90

International accountancy and advisory firm Mazarrs has promoted Greig Simms to tax partner.

Simms specialises in corporate tax and has particular expertise in the infrastructure and property sectors. He has a wide range of experience across compliance and advisory services, including due diligence and structuring. The national tax team, which operates across Mazars’s 17 UK offices, provides bespoke advice on all areas of taxation to individuals, business owners, and corporate organisations.

Simms joined Mazars as a trainee, and has remained with the business throughout his career.

more across site & shared bottom lb ros

More from across our site

CSR initiatives can sometimes venture into virtue signalling, but Ryan’s tax literacy event for schoolchildren was a genuine and necessary endeavour
Grant Thornton advanced plans to integrate its Australian firm into its US arm, as tax developments spanned law firm hires, aviation levies and digital services taxes
A new focus on early intervention and increased AI use is transforming how tax authorities are approaching TP audits, though capacity-constrained jurisdictions risk falling behind
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
The UK tax authority’s deputy director of large business also reassured taxpayers that HMRC will not ‘nitpick’ returns
Sucafina’s tax chief was speaking at the ITR Pillar 2 Forum in London alongside experts from HMRC and other organisations
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
The UK-based big four spin-off firm has hired Marc Lien, who declared that most AI in professional services today is ‘cosmetic’
Projected revenue losses and exemption requests are harming the project’s capability and viability
HMRC secured lengthy prison sentences in a major payroll VAT fraud case, while law firms announced tax promotions and hires
Gift this article