Stopleavingmoneyinotherpeople'spockets.
Overpaying rent? Losing on taxes? Missing out on benefits? Bowie scans Dutch law end-to-end and finds what's yours — in minutes.
Savings found
€ 1,247
Rent overcharged
− €340/mo
Users protected
Growing daily
Three ways the system costs you money.
Most residents lose out across all three — without ever knowing.
€1.2B+
in unclaimed deductions every year
Your aangifte hides your savings
The average Dutch resident misses 4–6 deductions per year. Zorgkosten, giften, studiekosten — buried in a complex form. Bowie surfaces every one.
Open Bowie Tax1 in 3
tenants pay above the legal cap
Your landlord counts on you not knowing
Dutch law caps rent based on WWS points. Most tenants never discover their home's legal maximum — and never ask for the reduction they're owed.
Check my rent2017–now
years of potential overpayments
Taxed on returns you never made
The Belastingdienst calculates Box 3 tax on an assumed return — even if your actual return was lower or negative. Millions may still be owed a refund.
Calculate my refund€1.2B+
in unclaimed deductions every year
Your aangifte hides your savings
The average Dutch resident misses 4–6 deductions per year. Zorgkosten, giften, studiekosten — buried in a complex form. Bowie surfaces every one.
Open Bowie Tax1 in 3
tenants pay above the legal cap
Your landlord counts on you not knowing
Dutch law caps rent based on WWS points. Most tenants never discover their home's legal maximum — and never ask for the reduction they're owed.
Check my rent2017–now
years of potential overpayments
Taxed on returns you never made
The Belastingdienst calculates Box 3 tax on an assumed return — even if your actual return was lower or negative. Millions may still be owed a refund.
Calculate my refundYour financial toolkit
Every tool Bowie builds is designed to find you money the system was hoping you'd miss.
How Bowie works
Three steps. Simple, clear, and ready in minutes.
Tell Bowie your situation
Answer a few plain-language questions about your rent, income, or investments. No jargon. No paperwork.
Bowie runs the numbers
Our engine cross-references your data against the latest Dutch rules — WWS point systems, Box 3 actual returns, benefit thresholds — and pinpoints every euro you're losing.
Get your result, act on it
A clear, explainable report ready to use immediately. Rent reduction letter, tax reclaim summary, benefit adjustment — Bowie delivers it ready to go.
Your financial guardian, wherever you are.
Bowie is live in the Netherlands today. We're building country-specific engines for every European market — each one tuned to local tax law, housing rules, and benefit systems.
Notify me
Every European deserves a financial guardian.
The rules are different in every country. The complexity is the same everywhere. Bowie is being built to read every system — so you don't have to.
The tax code is complicated on purpose.
Governments, landlords, and institutions rely on your not knowing the rules. Bowie does. We decode the fine print, surface what you're owed, and make it effortless to claim it back. No lawyers. No jargon. No waiting.
Latest insights
News, tips, and insights on Dutch taxes, rent rights, and personal finance.
Your first insight takes 2 minutes.
Start in minutes. Know exactly what you're owed.