slimzaak
Shopware integration

From Shopware order to invoice, automatically

slimzaak connects directly to your Shopware store, whether you're running version 5 or version 6. As soon as an order comes in, slimzaak automatically creates a VAT-compliant invoice, sends it, and archives it. Selling from the Netherlands into Germany? Dutch VAT rules and the EU OSS scheme are applied automatically. You run your store, slimzaak handles the bookkeeping.

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Shopware
Shopwareslimzaak

Your shop connects, invoicing and stock follow.

ShopwareInvoice

Shopware → slimzaak → Invoice

  1. 01

    Invoicing

    Every order becomes an invoice automatically

    You connect your Shopware store directly to slimzaak — both version 5 and version 6 are supported. The moment a customer orders, the invoice is ready: created, sent, and archived automatically. If a return comes in, slimzaak automatically turns it into a credit note.

    • Direct integration with Shopware 5 and Shopware 6
    • Every order automatically becomes a VAT-compliant invoice
    • Invoices sent and archived automatically
    • Credit notes created automatically for returns
  2. 02

    VAT & OSS

    VAT and OSS handled automatically for cross-border sales

    Shopware is a German platform, and many Dutch sellers use it specifically to sell into Germany. slimzaak automatically applies Dutch VAT rules and manages the EU OSS scheme for your cross-border sales, so you never have to work out manually which VAT rate applies where.

    • Dutch VAT rules applied automatically to every invoice
    • EU OSS scheme handled automatically for sales into Germany
    • VAT summaries always ready for your tax return
    • No manual VAT lookups per country
  3. 03

    Payouts

    Payouts reconciled automatically

    slimzaak matches the payouts from your Shopware store to the corresponding invoices and costs. That gives you an instant overview of whether everything adds up, without manually matching amounts between your bank and your sales.

    • Payouts automatically matched to invoices
    • Costs automatically factored into reconciliation
    • Always a clear view of whether your books are correct
slimzaakFactuur

Factuur 2026-0455

Sanne Bakker · 17 mei 2026

Betaald
Keramische mok — 2×€ 50,00
Verzendkosten€ 4,95
Btw 21%€ 11,54
Totaal€ 66,49
slimzaakInzichten

Omzet deze maand

€ 12.480

+18%

32%

Marge

486

Orders

€ 41

AOV

Btw-conform geboekt

Frequently asked questions

Does slimzaak support both Shopware 5 and Shopware 6?
Yes. slimzaak connects directly to your Shopware store, whether you're running version 5 or version 6. Either way, every order is automatically converted into a VAT-compliant invoice.
How does VAT and the OSS scheme work for sales into Germany?
slimzaak automatically applies Dutch VAT rules and manages the EU OSS scheme for your sales into Germany and other EU countries. That way every invoice is correct for your VAT return, without you having to work out the right rate per country yourself.
What happens with returns from my Shopware store?
Returns are automatically converted into credit notes. You don't have to keep track yourself of which invoices need correcting.
What does slimzaak cost for my Shopware store?
You start free, with no credit card required, for up to 250 invoices per month. Paid plans with a store integration start at Starter for 9 euros per month, including automatic invoicing and 1 store integration.

More on this topic

FeatureEvery order becomes a VAT-compliant invoice automaticallyFeatureScan receipts and log expenses without typing a thingFeatureVAT and OSS handled automatically for your online storeBlogHow to Create an Invoice: The Complete Guide for Freelancers

Connect your Shopware store to slimzaak

Set up in just a few minutes — after that, your invoicing and VAT handling run themselves.

Start for free

Free plan available · No credit card required