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

The profession is fundamentally restructuring itself around what tax and accounting work should be, a Thomson Reuters leader told ITR
The big four firm is consolidating 16 entities across the region to create a single 6,000-partner behemoth
Brazil’s tax reform unifies consumption taxes to simplify rules, centralise administration and reduce legal uncertainty
The ever-expansive firm has once again attracted a former ‘big four’ talent to lead the new offering
The amended double taxation avoidance agreement removes France’s most favoured nation status for tax treaty benefits
The levies extended beyond the president’s ‘legitimate reach’, the Supreme Court ruled
While Brazil’s consumption tax overhaul led to a short-term spike in tax advisory demand, we are now in a period of ‘normalisation’ marked by decreased recruitment
The expanded firm will comprise roughly 8,500 employees, including 550 partners; in other news, Paul Hastings and Macfarlanes made senior tax hires
Meanwhile, one expert highlights the importance of separating Venezuela’s tax authority from direct political control after ‘lost decades and isolation’
With PMK 108, Indonesia has upgraded its tax transparency regime for the digital era, focusing on data quality, governance, and cross border exchange rather than expanding regulatory reach
Gift this article