slimzaak
Allegro integration

Your Allegro accounting, fully automated

slimzaak connects directly to your Allegro seller account, the largest marketplace in Poland. The moment an order comes in, slimzaak automatically generates a VAT-compliant invoice, sends it, and archives it. Selling from the Netherlands into Poland and the rest of Eastern Europe? slimzaak automatically applies the right Dutch VAT rules and the EU OSS scheme. Your payouts are reconciled automatically against your invoices and costs too, so your books are always accurate.

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Allegroslimzaak

Orders come in, VAT-ready invoices go out.

AllegroVAT

Allegro → slimzaak → VAT

  1. 01

    Invoicing

    Automatic invoices from your Allegro orders

    Connecting your Allegro seller account to slimzaak takes just a few minutes. From that point on, every new order is automatically turned into a VAT-compliant invoice — created, sent, and neatly archived. If a return comes in, the credit note is generated automatically too, with no extra work on your end.

    • Direct connection to your Allegro seller account
    • Every Allegro order automatically becomes a VAT-compliant invoice
    • Credit notes generated automatically for returns
    • Invoices in your own branding via the template designer
  2. 02

    VAT & OSS

    VAT and OSS for sales into Poland, handled automatically

    When you sell through Allegro to customers in Poland and other EU countries, different VAT rules apply than for domestic sales. slimzaak automatically applies Dutch VAT rules and recognizes when the EU OSS scheme (One Stop Shop) applies, so you don't have to work out the right VAT rate for each country yourself. Your reports are ready to go when it's time to file your VAT return.

    • Dutch VAT rules applied automatically
    • EU OSS support for sales into Poland and other EU countries
    • Automatic detection of the correct VAT rate per country
    • VAT reports ready for your return
  3. 03

    Payouts

    Allegro payouts that match your books

    Allegro payouts are automatically reconciled against your invoices and costs, so your books always line up with what was actually paid out. You never have to work out which invoice belongs to which payout yourself — even if you sell through multiple Allegro marketplaces in different countries. slimzaak takes care of it.

    • Allegro payouts automatically reconciled with invoices and costs
    • Direct link between each payout and the underlying orders
    • An always-accurate view in your financial reports
slimzaakInzichten

Omzet deze maand

€ 12.480

+18%

32%

Marge

486

Orders

€ 41

AOV

Btw-conform geboekt

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

Frequently asked questions

How do I connect my Allegro account to slimzaak?
You connect your Allegro seller account directly to slimzaak, and it's set up in just a few minutes. From then on, every new Allegro order is automatically turned into a VAT-compliant invoice, which slimzaak archives right away too.
What about VAT when I sell into Poland through Allegro?
slimzaak automatically applies Dutch VAT rules to your Allegro invoices. If you sell to customers in Poland or other EU countries, slimzaak supports the OSS scheme, so you don't have to file separate VAT returns in every country. Your reports are ready when it's time to file.
How are my Allegro payouts reconciled?
slimzaak automatically reconciles your Allegro payouts against your invoices and costs. You can see exactly how each payout is made up, and your books always match what Allegro actually pays out.
What does slimzaak cost for Allegro sellers?
You start for free, no credit card required. The free plan includes up to 250 manual invoices per month; if you want to connect your Allegro store for automatic invoicing, you start at Starter for 9 euros per month. Paying annually gets you 2 months free.

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

Automate your Allegro accounting

Connect your Allegro seller account and see your first automatic invoice within minutes.

Start for free

Free plan available · No credit card required