CELIA Alliance Newsletter: March 2026
Estimated reading time 2 minutes
This month’s read:
- Crucial updates on cross-border social security determinations
- Outlining key tax changes from the French Finance Bill
- How to prepare for the UK share plan reporting deadline
Also, check out our Global Mobility Hub resources:
- Assess international remote working risk in 18 jurisdictions
- Download our survey of expatriate tax regimes across Europe, North America and China
International News
Important updates for cross-border social security determinations
German member firm Keller Menz explains the changes set out from the European Court of Justice ruling that all worldwide employment must be considered when assessing the 25% "substantial activity" threshold.
This article breaks down the key changes, outlines its impact and recommends actions you can take to ensure you are compliant.e personal income tax return of the French tax resident shareholder.
Key tax changes from the French Finance Bill
French member firm Galahad Avocats details how the French Finance Bill impacts high-net-worth individuals and companies in France.
This breakdown explores these changes and shares how CELIA Alliance can help you manage them, from assessing exposure to new taxes to coordinating cross-border tax advice and supporting management incentive planning.
The UK share plan reporting deadline is fast approaching
Our UK founding member Abbiss Cadres has produced an article detailing everything you need ahead of the deadline for share plan reporting for the 2025/26 tax period.
In the article, they detail what events should be reported, common errors to avoid and the penalties you could incur for late filing.
CELIA Alliance expands Latin American footprint with the addition of Morales & Besa
Last month, we announced that leading Chilean law firm, Morales & Besa, has become the latest member of CELIA Alliance.
In our latest press release, we shine a light on their key areas of expertise, from HR support to labor regulation compliance, immigration advice and guidance on acquisitions and mergers.
How can CELIA Alliance help?
We help international organisations make the most of their people wherever they are in the world by providing the best integrated multidisciplinary legal and tax services through a common approach to client service and shared values.
CELIA Alliance also offers comprehensive international assignments and global mobility, tax and social security compliance services. We can help you make the most of employing, organising, paying, incentivising, and moving your people within and across borders.