Your Personal AITax Expert
Bas combines up-to-date Dutch tax data (2025) with our calculators, so you get fast, context-aware explanations and tips — without repeating yourself.
Bas provides general information, not personal advice.
I can look them up and also estimate your marginal rate. What is your annual gross income?
Why use Bas?
More than just a chatbot. Bas is a fully integrated tax tool.
24/7 Availability
Get instant answers to complex tax questions anytime, anywhere.
Instant Calculations
Bas can run any calculator for you directly in the chat.
Proactive Tips
Bas spots missing deductions and suggests optimizations automatically.
Privacy First
Chat history is stored locally for up to 24 hours and can be cleared anytime. Bas uses only confirmed inputs for context.
Scenario Comparison
Compare ZZP vs Employment, or fiscal partner scenarios side-by-side.
Benefit Checks
Instantly check eligibility for Zorgtoeslag, Huurtoeslag, and more.
Document Analysis
Upload your annual statement (Jaaropgave) or tax letters for a clear explanation.
Deadlines & Timeline
Never miss a tax deadline with personalized timeline views.
Deeply Integrated
Unlike generic AI, Bas knows the context. If you’ve filled out the Tax Scan or calculators, Bas can use confirmed inputs to give more relevant answers — without you repeating yourself.
Context Aware
Bas knows your income, age, and home situation from your inputs.
Verified Knowledge
Grounded in official Belastingdienst rules and 2025 tax rates.
Ready to simplify your taxes?
Start a conversation with Bas and get clarity in minutes.