slimzaak

For zzp sole traders

Invoicing as a zzp sole trader: start free, keep it simple

With slimzaak, you invoice as a zzp sole trader for free: the Free ZZP plan costs 0 euros and includes 250 invoices per month, no credit card needed. Want unlimited manual invoicing? Handmatig ZZP costs just 4.99 euros per month. Every invoice is VAT-compliant and carries your own branding.

Start for free

Free plan

Free invoicing, no catches

The Free ZZP plan costs 0 euros per month and includes up to 250 invoices per month — plenty for most starters and freelancers. You don't need a credit card to get going, and every invoice automatically meets Dutch VAT requirements.

  • 0 euros per month, up to 250 invoices per month
  • No credit card required to start
  • Every invoice automatically VAT-compliant
  • Your own branding via the template designer

Unlimited

Unlimited invoicing for 4.99 euros per month

As your client base grows, upgrade to Handmatig ZZP: for 4.99 euros per month you create unlimited manual invoices. Try it free for 15 days first, and if you pay annually you get 2 months free.

  • Unlimited manual invoicing for 4.99 euros per month
  • 15-day free trial
  • Pay annually and get 2 months free

More than invoices

Quotes, receipts, and VAT in one place

As a zzp sole trader, you often send a quote first — once it's approved, slimzaak converts it into an invoice in a click. Upload or email your receipts and purchase invoices, and the AI scan automatically reads the supplier, amount, and VAT. Your VAT overviews are ready when it's time to file.

  • Create quotes and convert them into invoices
  • Scan receipts automatically with AI
  • VAT overviews ready for your tax filing
  • Credit notes for when a client returns something

Frequently asked questions

Is slimzaak really free for zzp sole traders?
Yes. The Free ZZP plan costs 0 euros per month and includes up to 250 invoices per month. You don't need a credit card to start, and every invoice is VAT-compliant.
What's the difference between Free ZZP and Handmatig ZZP?
Free ZZP costs 0 euros and includes up to 250 invoices per month. Handmatig ZZP costs 4.99 euros per month and gives you unlimited manual invoices, with a 15-day free trial. Pay annually and you get 2 months free.
Can I create quotes as a zzp sole trader in slimzaak?
Yes. You create quotes in slimzaak and convert them into an invoice once your client approves. That keeps the entire process, from quote to payment, in one place.
What if my business grows and I start a webshop?
Then slimzaak grows with you. Connect bol.com, Amazon, Shopify, or WooCommerce and every order automatically becomes a VAT-compliant invoice. Plans with a store connection start at Starter for 9 euros per month.

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Start invoicing for free today

Create your account and send your first VAT-compliant invoice in your own branding.

Start for free

Free plan available · No credit card required