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Tax insights, practical guides and regulatory updates: our experts share their knowledge to help you optimise your business management in Luxembourg.

Discover our expert articles on accounting, taxation, corporate law and legal obligations in Luxembourg. Practical advice, regulatory insights and in-depth analyses for entrepreneurs, business leaders and private individuals.

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Will artificial intelligence really replace accountants?

The business press regularly announces the programmed disappearance of the accounting profession under the effect of automation and artificial intelligence. This catastrophic view ignores the reality on the ground: AI does not eliminate the accounting profession, it removes repetitive tasks and enhances human expertise. The accountant becomes the controller and analyst of algorithmic outputs, with a role that evolves towards more strategic advice and the interpretation of complex situations.

Investment tax credit: the obligation to obtain a MyGuichet certificate since January 2025

Since 1 January 2025, Luxembourg companies wishing to benefit from the investment tax credit for digital or ecological transformation must mandatorily obtain a certificate issued by the Ministry of the Economy via the MyGuichet.lu platform. This new administrative step conditions the application of the preferential 12 percent rate in the tax return. Without this prior document, the tax advantage becomes inapplicable.

Cross-border B2C services: when Luxembourg VAT does not apply

Many Luxembourg companies providing services to private individuals in France or Belgium systematically apply Luxembourg VAT due to a lack of awareness of place-of-supply rules. This practice exposes managers to severe tax reassessments. Services linked to a specific property or location must be invoiced with the VAT of the country where they are actually performed, regardless of the service provider’s place of establishment.

VAT and Foreign Sales: When Should You Be Concerned? A Guide for Luxembourg Entrepreneurs Selling in Europe

Since January 2025, VAT rules for small European businesses have evolved with the SME directive. New exemption thresholds, B2B/B2C distinction, OSS system: this reform simplifies administrative obligations but complicates tax trade-offs. For Luxembourg companies selling in France, Belgium, or Germany, understanding these new rules becomes essential to avoid costly errors and tax assessments.

ICC 2026 Multiplier Rates: Direct Impact on Luxembourg Corporate Tax and Effective Tax Rate

The Direct Tax Administration has published the ICC 2026 multiplier rates, often perceived as an administrative formality. Strategic error: the ICC constitutes a structural component of Luxembourg corporate tax, not a secondary tax. A municipal rate differential directly impacts your effective tax rate, your net profitability, and your distributable cash flows. Our chartered accountant breaks down the concrete implications and explains how to integrate these rates into your 2026 forecasts to avoid any unpleasant tax surprises.

10 levers to boost your SME’s productivity (without hiring)

Process digitisation, automation of repetitive tasks, role clarification and waste elimination: there are many ways to significantly improve the productivity of your Luxembourg SME without hiring. After supporting dozens of companies in their operational optimisation, our consultant has identified 10 concrete actions capable of generating 20% to 40% productivity gains within a few months. Discover how to do more – and do it better – with your existing teams.

Comment to value a Luxembourg SME: A comprehensive guide to valuation methods

Adjusted net asset value, valuation multiples, DCF: several methods can be used to value your Luxembourg SME—but which one should you choose based on your situation? Family succession, fundraising or a business sale each require a different approach. Our chartered accountant explains the three main valuation methods used in Luxembourg, their advantages and limitations, and guides you in determining the true value of your company while avoiding the classic pitfalls of over- or undervaluation.

Business plan: The 5 fatal mistakes that drive investors away

Unrealistic financial forecasts, poorly executed market research, an underqualified team, an unclear sales strategy, and underestimated funding needs: these five recurring mistakes seriously undermine your chances of securing financing in Luxembourg. After analysing hundreds of business plans rejected by Luxembourg banks and investors, our chartered accountant highlights the most common pitfalls and explains how to build a business plan that convinces.

Obligations of Luxembourg SARLs: the Managing Director’s Annual Checklist

Managers of Luxembourg SARLs must comply each year with numerous legal obligations, failing which they risk administrative and criminal sanctions: annual general meeting approving the accounts, filing with the RCS, updating the RBE, maintenance of mandatory registers, and tax filings. Our chartered accountant explains these obligations step by step and provides a comprehensive annual calendar to ensure nothing is overlooked. Download our monthly checklist to secure your legal compliance once and for all.

Excel for Financial Management: 5 Advanced Functions You Must Master

VLOOKUP, Pivot Tables, nested IF functions, SUMIFS, data consolidation: Excel offers extraordinary capabilities for financial analysis that few professionals fully exploit. These five advanced functions radically transform your efficiency in financial management—automated reconciliations, dynamic dashboards, multidimensional analysis and consolidated reporting. Our chartered accountant presents these essential tools with practical examples that can be applied immediately in your Luxembourg SME.

The 10 Most Common Accounting Errors Made by Luxembourg SMEs (and How to Avoid Them)

Accounting errors are costly for Luxembourg SMEs: time lost correcting mistakes, tax reassessments, late-payment penalties, and rejected VAT deductions. Misclassification between expenses and fixed assets, forgotten depreciation, missing provisions, incorrectly calculated VAT, omitted closing adjustments—our chartered accountant identifies the 10 most frequent errors observed in our audit engagements and explains how to prevent them through simple procedures and regular controls.

Tax Disputes in Luxembourg: How to Challenge an ACD Tax Adjustment

Receiving a tax adjustment notice from the Luxembourg Inland Revenue (Administration des Contributions Directes – ACD) can be unsettling for any entrepreneur. Fortunately, legal remedies are available to challenge such an adjustment. You must act quickly by filing a reasoned written claim with the Director of the ACD and, if necessary, by referring the case to the Administrative Court. This article sets out the steps to follow, the strict deadlines to be observed, and practical advice to maximize your chances of success in this tax litigation.