Tax Havens and Low Tax Firms
The OECD global minimum tax is a landmark international agreement designed to ensure that large multinational corporations pay at least 15% tax on their profits—no matter where they operate.
Here’s how it works:
What It Is
Part of the OECD’s “Pillar Two” reforms under the Global Anti-Base Erosion (GloBE) rules
Applies to multinational enterprise (MNE) groups with €750 million+ in annual revenue
If a company pays less than 15% tax in a given country, it must pay a “top-up tax” to bring it up to that level
Why It Matters
Stops companies like Big Tech or oil majors from shifting profits to tax havens
Creates a level playing field by setting a global floor on corporate tax rates
Expected to raise $150 billion+ annually in new tax revenue worldwide
How It’s Enforced
Countries can choose to adopt the rules, but if they don’t, others can still apply the top-up tax to profits earned in low-tax jurisdictions
The rules are coordinated to avoid double taxation and ensure consistency across borders
It’s a big step toward curbing base erosion and profit shifting (BEPS)—and it’s already reshaping how global firms structure their finances.
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