CastlesERP

Pricing that grows with you

Every plan includes the core business modules. Paid plans add depth — premium features, connectors and capacity.

Just getting started? Start free.

Run the full core ERP with unlimited users and up to 10 Peppol e-invoices a month — no credit card required, free forever.

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StarterProEnterprise
Most popular
Price: €19Price: €39Price: Custom
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What you can run
Core business modulesIncludedIncludedIncluded
Outbound invoicesIncludedIncludedIncluded
Inbound invoicesIncludedIncludedIncluded
Depth & premium features
Privacy CentreNot includedIncludedIncluded
Quality CentreNot includedNot includedIncluded
Connectorsfrom StarterIncludedIncludedIncluded
ApprovalsNot includedIncludedIncluded
Approvals — approvers per documentNot included1 approverUnlimited
Capacity
Documents / month250500Custom
Business locations2UnlimitedUnlimited
Platform
Activity log — basicIncludedIncludedIncluded
Activity log — advancedNot includedIncludedIncluded
Activity log — history retentionon every plan30 days90 days365 days
API accessNot includedIncludedIncluded
Single sign-on (SSO)Not includedNot includedIncluded

All prices per month, ex VAT.

Unlimited users on every plan — you pay per document, not per seat. A document is a Peppol e-invoice sent or received, or a scanned (OCR) supplier bill; creating and emailing PDF invoices stays free. Bank connections are billed per connected account.