New sectoral figures released by Finance Minister Gilles Roth show Luxembourg’s corporate income tax receipts rose again in 2025, even as Statec reported a fall in broader company-tax revenue.

The answer, received by parliament on 6 July 2026, was given in response to a parliamentary question dated 3 June 2026 from Green MP Sam Tanson. She had asked for a sector-by-sector breakdown of corporate income tax, the tax companies pay on their profits, and for figures showing how much was paid by the largest taxpayers.

Roth’s table showed receipts rising from €2.65bn in 2023 to €3.55bn in 2024 and €3.84bn in 2025. That made the response a more detailed but narrower view of company taxation than the one highlighted by Statec, which said in its June 2026 ‘Note de conjoncture 1-2026’ that broader company-tax revenue fell by 2.9% in 2025.

Finance widens

Finance and insurance remained by far the largest source of corporate income tax in Roth’s table. The sector’s receipts rose from €1.88bn in 2023 to €2.23bn in 2024, then to €2.97bn in 2025.

Its payments increased by €740.9m, or 33.3%, between 2024 and 2025. No other sector in the table came close to that amount.

The rise was not spread evenly across the economy. The catch-all category for “other activities” fell from €488.9m in 2024 to €138.1m in 2025, a drop of €350.7m, or 71.1%. Specialised scientific and technical activities fell from €353.9m to €198.5m, down €155.4m, or 43.9%.

Construction receipts recovered from €116m in 2024 to €128.6m in 2025. Real-estate activities edged up from €84.8m to €87.4m.

Not the whole picture

Statec’s June 2026 note said Luxembourg’s tax revenue growth slowed sharply in 2025, while spending rose strongly, pushing the public balance from a 0.9% surplus in 2024 to a deficit equal to 2% of economic output in 2025.

For company taxes, Statec linked the 2025 fall to lower advance payments and settlement payments after two strong years, as well as the one-point cut in the corporate income tax rate for the 2025 tax year. Advance payments are tax instalments paid before the final amount is known, while settlement payments are made once the tax due has been assessed.

Roth’s 3 July answer also gave a partial view of how concentrated corporate income tax payments were, without naming individual companies. The table showed the amount paid by the ten largest taxpayers inside each sector, not the ten largest taxpayers across the whole economy.

In finance and insurance, the ten largest payers contributed €860.4m in 2025, up from €694.6m in 2024 and €542.6m in 2023. Across all the sector-level top-10 groups, the total came to €1.23bn in 2025, below the €1.44bn recorded in 2024 but still well above the €793.5m recorded in 2023.