Doc2iXBRL
Products
PDF / Word to iXBRL
Convert annual reports from PDF or Word, footnotes included
iXBRL Reader
Read any iXBRL/ESEF Report Package, free
KVK filing
Dutch GAAP / NL Taxonomy 2025
ESEF reporting
IFRS for EU-listed issuers
Validation
iXBRL & XBRL validator, Arelle + our own checks
For
Accountancy firms
Year-end iXBRL across multiple clients
In-house finance
File your own annual report
EU-listed issuers
ESEF / IFRS reporting
All use cases
Resources
Articles
Insights and how-tos on iXBRL filing, ESEF, and reporting compliance.
About
Our story and team.
Contact
Talk to sales or support.
Sign inBook a demo
PDF / Word to iXBRLiXBRL ReaderKVK filingESEF reportingValidation
Accountancy firmsIn-house financeEU-listed issuersAll use cases
ArticlesAboutContact
Book a demo
Resources / Articles

Articles

Practical guidance on iXBRL filing, KVK and ESEF taxonomies, and the regulatory shape of financial reporting.

Subscribe via RSS
Cover art for What is a 403 declaration? Group exemption and filing explained
Latest · Regulation

What is a 403 declaration? Group exemption and filing explained

What is a 403 declaration? Everything about the group exemption (art. 2:403 BW): conditions, what you file with the KvK, and how this works in SBR or iXBRL.

June 15, 2026·7 min readRead article
Cover art for Audit opinion (accountantsverklaring) for the annual accounts: when is it mandatory?
Regulation

Audit opinion (accountantsverklaring) for the annual accounts: when is it mandatory?

When is an audit opinion (accountantsverklaring) for the annual accounts mandatory? Micro and small entities are exempt; medium and large entities are subject to audit (art. 2:393 BW) and file digitally via SBR Assurance.

Jun 19, 20267 min read
Doc2iXBRL

A document-to-iXBRL platform for accountants and in-house filing teams. The reviewer stays in control of every mapping.

LinkedIn
Product
PDF / Word to iXBRLKVK filingESEF reportingValidationiXBRL Reader
Use cases
Accountancy firmsIn-house financeEU-listed issuersAll use cases
Company
ArticlesAboutContactBook a demoTrust center
Legal
General TermsAcceptable usePrivacyDPASub-processors
© 2026 Ontos B.V. · KvK 42011303
VAT NL869277571B01