Accounting for e-commerce
Sell more, spend less time on admin
slimzaak automatically turns every order into a VAT-compliant invoice, calculates your VAT & OSS and keeps stock and payouts in sync — for bol.com, Amazon, Shopify and WooCommerce.
- A VAT-compliant invoice for every order, automatically
- VAT and EU OSS calculated automatically
- Stock and payouts always in sync
Store owners — Automates the whole administration. See how they use slimzaak
Omzet deze maand
€ 12.480
Bestelling #10428
Bol.com · 2 items
Factuur 2026-0455
Automatisch · btw 21%
Factuur 2026-0454
OSS · verzonden
Btw-aangifte klaar
automatisch berekend
Naadloos gekoppeld met de platforms die jij gebruikt
Automatic invoicing
An invoice for every order — without the manual work
Connect your store in just a few minutes. slimzaak automatically creates, sends and archives invoices from your marketplace and online store orders.
- Direct integration with bol.com, Amazon, Shopify and WooCommerce
- Your own branding and invoice templates
- Automatic credit notes for returns
Factuur 2026-0455
Sanne Bakker · 17 mei 2026
VAT & OSS
VAT returns without the guesswork
Dutch VAT rules and the EU OSS scheme are applied automatically — including cross-border sales.
- VAT calculated automatically per country
- OSS summaries for your return
- Always up-to-date rates
Expenses & receipts
Scan receipts with AI
Upload or email your receipts and purchase invoices — the AI scanner automatically reads the supplier, amount and VAT.
- AI recognition of receipts and invoices
- Expenses straight into your books
- Ready for your VAT return
Bestelling #10428
Bol.comBestelling #10427
AmazonBestelling #10426
ShopifyStock
Stock in sync across all your channels
Selling on multiple platforms? slimzaak keeps your stock levels identical everywhere, so you never oversell again.
- Multi-platform stock sync
- Automatic adjustments for sales and returns
- Multi-store management
Synchroon over 4 kanalen · realtime
Payouts
Marketplace payouts processed automatically
Payouts from bol.com and other platforms are automatically reconciled with your invoices and expenses — down to the cent.
- Settlements imported automatically
- Commissions and fees broken down
- Books that always balance
4,8
op basis van 1.240 reviews
Everything your bookkeeping needs
One platform for your entire e-commerce administration — from invoice to reporting.
Invoices & quotes
Created automatically from orders; quotes in your own branding.
VAT & OSS
Dutch and EU rules applied automatically.
Expenses & receipts
AI scanning reads receipts and purchase invoices automatically.
Stock
In sync across all your sales channels.
Reviews
Manage and reply to reviews from one dashboard.
Reports
Real-time insight into revenue, costs and profit.
Transparent pricing — start for free
From the free ZZP plan to Business: plans that grow with your online store. Pay yearly and get 2 months free.
Veelgestelde vragen
Is there a free plan?
Which platforms can I connect?
Does slimzaak calculate my VAT automatically?
Does slimzaak support Peppol e-invoicing?
Can I switch from my current software?
Can I cancel monthly?
Ready for smarter bookkeeping?
Connect your store and see your first automatic invoice within minutes.
Free plan available · No credit card required · Cancel monthly


