"In this world, nothing is certain except death and taxes."— Benjamin Franklin
Taxes are inevitable.
Bowie makes them easy.
Bowie Tax guides you through every Dutch tax filing, finds missed deductions, and gives you a full AI-powered analysis — so you never leave money on the table.
Everything you need to file with confidence
No tax jargon. No guesswork. Just clear, guided steps — for every filing type.
AI that knows Dutch tax law
Ask Bowie explains every field in plain language, answers your questions, and adapts to your specific situation — employment type, deductions, Box 3, and more.
Finds deductions you'd miss
Healthcare costs, mortgage interest, gifts, green investments — Bowie scans every category and flags what you're entitled to claim.
Step-by-step guided wizard
Five clear steps from your situation to your result. Each step shows only the fields relevant to you, with live calculations in the sidebar.
Full analysis with savings estimate
Get a complete breakdown of your tax position with bracket analysis, effective rate, and a personalised savings report you can use when filing at the Belastingdienst.
How it works
Create a free account
Sign up in 10 seconds. Your data is stored securely in our EU database and never shared.
Walk through 5 simple steps
Answer questions about your income, home, deductions, and assets. Ask Bowie if anything is unclear — it knows your situation.
Get your AI-powered analysis
Receive a complete tax breakdown with bracket analysis, estimated refund, and personalised tips to optimise your return.
Ready to file smarter?
Join Dutch residents who use Bowie to understand and optimise their tax filings.