Tax⭐ FeaturedComplete Guide to Luxembourg Income Tax in 2026Everything you need to know about Luxembourg's progressive income tax — 21 brackets, all tax classes (1/1A/2), deductions, and how to minimize your bill legally.Marie LaurentJan 15, 2026 · 12 min read 0 1Read
Growth MetricsContribution Margin: The Metric That Shows If Each Sale Is ProfitableContribution margin reveals how much each sale actually contributes to covering your fixed costs — and eventually profit. Essential for pricing, product, and operations decisions.Thomas Weber · 7 min 0
Growth MetricsGross Margin: Industry Benchmarks and How to Improve Yours in 2026Gross margin is the first measure of business profitability. Understanding where you stand against peers — and what to do about it — is essential for any founder or CFO.Thomas Weber · 7 min 0
Equity & FundingROI, MOIC, and IRR: How Investors Measure Returns on Startup InvestmentsVCs don't just look at whether they made money — they measure returns precisely. Understanding ROI, MOIC, and IRR helps founders speak the language investors use every day.Thomas Weber · 8 min 0
Equity & FundingCap Table Basics: Understanding Your Startup's Ownership StructureA capitalisation table is the authoritative record of who owns what in your company. Understanding it is essential before raising money, hiring, or planning a sale.Thomas Weber · 8 min 0
Equity & FundingEquity Dilution Explained: How Funding Rounds Change Your Startup OwnershipEvery time you raise money, you give up a percentage of your company. Understanding dilution before you sign term sheets protects your interests as a founder.Thomas Weber · 9 min 0
Equity & FundingEmployee Stock Options in Luxembourg: ESOP Tax Treatment and ValuationLuxembourg has a favourable ESOP tax regime, but the details matter. Here's how options are valued, when they're taxed, and how to calculate your real after-tax gain.Marie Laurent · 9 min 0
Growth MetricsChurn Rate: What It Is, Why It Kills Startups, and How to Bring It DownHigh churn is a slow death for subscription businesses. Understanding how to calculate it, monitor it, and reduce it is one of the most important skills a SaaS founder can have.Thomas Weber · 8 min 0
Growth MetricsARPU (Average Revenue Per User): How to Calculate and Grow This Key SaaS MetricARPU tracks how much each customer pays on average. Growing it — without churning customers — is one of the most powerful levers for sustainable revenue growth.Thomas Weber · 6 min 0
Startup & BusinessBreak-Even Analysis: When Will Your Business Actually Become Profitable?Break-even analysis tells you exactly how much revenue you need to cover all your costs — and at what point every additional euro becomes profit. Essential for any business plan.Thomas Weber · 7 min 0
Growth MetricsConversion Rate: How to Calculate It, Benchmark It, and Improve ItConversion rate is the percentage of visitors, leads, or prospects who take the action you want. Small improvements compound dramatically — even 1% matters.Thomas Weber · 7 min 0
TaxCompany Car Benefit-in-Kind in Luxembourg: What It Really Costs YouA company car in Luxembourg adds a taxable benefit-in-kind to your income. Here's how it's calculated, how much extra tax you pay, and whether it's still worth it.Marie Laurent · 8 min 0
TaxFreelancer Tax in Luxembourg: Everything Self-Employed Workers Need to KnowGoing freelance in Luxembourg? Here's how income tax, VAT, social contributions, and quarterly payments work for self-employed professionals.Marie Laurent · 10 min 0
SalaryLuxembourg Take-Home Pay Comparison: Which Scenario Puts More in Your Pocket?Comparing two job offers, salary vs freelance, or employed vs part-time? This guide explains how to make a true apples-to-apples net pay comparison in Luxembourg.Thomas Weber · 8 min 0
€PropertyLuxembourg Mortgage 2026: Rates, LTV Rules & What You Can Actually AffordBuying property in Luxembourg is expensive but manageable with the right financial planning. This guide covers current rates, BCL rules, and realistic affordability calculations.Marie Laurent · 12 min 0
PropertyBuy-to-Let in Luxembourg: How to Calculate Rental Yield and Whether It's Worth ItLuxembourg's rental market is tight, but yields aren't always as attractive as they look. Here's how to calculate gross and net rental yield before you invest.Thomas Weber · 9 min 0
InvestmentCompound Interest & Investment Returns: A Practical Guide for European InvestorsUnderstanding compound growth is the single most important concept in personal finance. Here's how it works, what realistic returns look like in 2026, and how to use it to your advantage.Thomas Weber · 10 min 0
PensionLuxembourg Pension (CNAP) Explained: What Expats Will Actually ReceiveThe Luxembourg state pension is among the most generous in Europe, but the rules are complex — especially for expats who've worked in multiple EU countries.Marie Laurent · 11 min 0
TaxLuxembourg VAT 2026: Rates, Registration Threshold & How to Calculate ItLuxembourg has the lowest VAT rate in the EU at 17%, but there's more to it than the headline number. A complete guide for businesses, freelancers, and consumers.Thomas Weber · 8 min 0
TaxLuxembourg Bonus & 13th Month Tax: How Much Will You Actually Keep?The 13th month bonus is standard in Luxembourg but heavily taxed. Here's exactly how it's calculated, when it's paid, and what you'll take home.Thomas Weber · 7 min 0
Growth MetricsLTV:CAC Ratio Explained: The Single Most Important Indicator of Business ViabilityThe LTV:CAC ratio tells you whether your business model is sustainable. A ratio below 1 means you're destroying value. Above 3 means you have a strong, scalable business.Thomas Weber · 6 min 0
Startup & BusinessProfit Margin: What It Is, Industry Benchmarks, and How to Improve YoursProfit margin is one of the most important indicators of business health — but which margin matters, and what's considered good? A practical guide for founders and operators.Thomas Weber · 8 min 0
Equity & FundingStartup Valuation: How European Investors Actually Value Early-Stage CompaniesValuation is part science, part negotiation — but understanding the methods investors use puts you in a much stronger position when raising capital.Thomas Weber · 10 min 0
Personal FinanceEmergency Fund in Luxembourg: How Much You Need and Where to Keep ItFinancial emergencies happen to everyone. An emergency fund is your first line of defence — but how much is enough in one of Europe's most expensive countries?Marie Laurent · 6 min 0
🏠 Rent42%🚗 Transport15%🛒 Food18%⚡ Utilities8%🎉 Leisure10%💊 Health7%Expat LifeCost of Living in Luxembourg vs Other European Cities: An Honest ComparisonLuxembourg is expensive — but how expensive, exactly? We compare real costs across housing, food, transport, and childcare for major European cities.Thomas Weber · 9 min 0
Personal FinanceHow to Calculate Your Net Worth — and Why It's the Most Useful Financial NumberYour net worth is the one number that gives you a true picture of your financial health. Here's how to calculate it properly and what to do with the result.Marie Laurent · 7 min 0
Growth MetricsCustomer Acquisition Cost (CAC): How to Calculate and Systematically Reduce ItCAC tells you how much you spend to win each new customer. Getting it right — and keeping it low — is central to building a sustainable business.Thomas Weber · 8 min 0
Growth MetricsCustomer Lifetime Value (LTV): Why It's the Most Important SaaS MetricLTV tells you how much revenue a customer generates over their relationship with your business. Getting this right changes how you think about acquisition, retention, and pricing.Thomas Weber · 7 min 0
Startup & BusinessHow Much Does It Really Cost to Start a Business in Luxembourg? (2026 Breakdown)Luxembourg is one of the best startup environments in Europe — but setting up costs money. Here's a realistic breakdown of what you'll actually spend in year one.Thomas Weber · 10 min 0
Startup & BusinessStartup Runway: How Long Have You Got — and How to Make It Last LongerRunway is how many months of operation your current cash reserves can fund. Knowing it precisely — and planning around it — is one of the most important jobs of a founder.Thomas Weber · 6 min 0
Startup & BusinessBurn Rate: The Number Every Founder Must Monitor Every MonthBurn rate tells you how fast you're spending your funding — and how long you have before you need more. Understanding it can mean the difference between survival and failure.Thomas Weber · 7 min 0
%VAT 17%TaxLuxembourg VAT Guide 2026: Rates, Refunds & EU Cross-Border RulesLuxembourg's standard 17% VAT, reduced rates, VAT registration for freelancers, tourist refunds, and the OSS scheme for EU digital services explained.Thomas Weber · 8 min 0
25Start35Mid45Peak55Max65RetirePENSION🏖️PensionLuxembourg Pension System Explained: What You'll Actually ReceiveHow the Luxembourg state pension (CNAP) works, how contribution years are counted, what the minimum pension is, and what expats need to know about portability.Thomas Weber · 11 min 0
€ 850KAvg. Luxembourg CityPropertyBuying Property in Luxembourg as an Expat: 2026 Mortgage GuideLoan-to-value ratios, mortgage types, notary fees, registration tax and the full cost of buying a home in Luxembourg — explained for foreign residents.Marie Laurent · 14 min 0
13th Month€€€€€€Salary13th Month Bonus in Luxembourg: Tax Impact & Net AmountHow the Luxembourg 13th month bonus is taxed, when it's paid, and exactly how much extra you take home after deductions and solidarity surtax.Thomas Weber · 7 min 0
🛡️CNS 3.05%Pension 8%Dependency 1.4%TOTAL ~12.45% employeeSocial SecurityLuxembourg Social Security for Expats: CNS, Pension & DependencyA plain-English breakdown of Luxembourg's three employee social contributions — CNS health, pension, and dependency insurance — with 2026 rates and ceilings.Marie Laurent · 10 min 0
Expat LifeLuxembourg Expat Finance: Your First 90 Days ChecklistBanking, tax registration, social security — a step-by-step checklist for new Luxembourg residents to get their finances sorted in 90 days.Marie Laurent · 8 min 0