Ryan acquires Altus International

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

Ryan acquires Altus International

Ryan, a global tax services firm, announced that it has acquired Altus International, a consulting firm based in the Netherlands, which provides transfer pricing, business restructuring and valuation expertise to multinational companies around the world.

The acquisition brings with it an experienced team of professionals who will be able to support the expansion across Europe. Michael Sijmonsbergen and Roderick Veldhuizen, founders of Altus International, will join the firm’s international tax leadership team and are expected to play an important role in the continued growth of the practice.

more across site & shared bottom lb ros

More from across our site

An OECD report on taxation of the digital economy is expected by the end of 2026, according to the group of nations
Trophy assets are evolving from personal indulgences to structured investments, prompting family offices to prioritise tax efficiency, governance discipline, and cross-border compliance
As demand for complex, cross-border private client counsel spikes, Patrick McCormick sees opportunity in starting from scratch
As part of an exclusive global alliance, KPMG will become one of Anthropic’s ‘preferred consultants’ for private equity
In the second part of this series, the focus shifts to how taxpayers can manage ongoing risks across the lifecycle of cross-border structures
Jurisdictions have moved to ensure that multinationals are not punished for late GIR filings due to a lack of available filing portals or exchange relationships
HMRC’s push for unified tax adviser registration won’t prevent every instance of improper conduct, but it is good for taxpayers and the UK’s reputation
Elsewhere, the UAE’s tax office has issued an update on registration penalties and two firms have been busy making lateral hires
The case sits within a context of Brazil signalling that it is replacing informal discretion and ambiguity with structures that reward analytical rigour, one expert tells ITR
Jeff Soar lifts the lid on WTS UK’s ambitious recruitment plans, the firm's positioning against the big four, and why tax is the perfect profession for AI
Gift this article