From the 2026 reporting cycle, all Dutch companies must file their annual accounts digitally via Standard Business Reporting (SBR). Large companies are required to file in iXBRL format. This introduces new requirements around structured data, taxonomy mapping, and validation. Companies must adapt quickly to ensure accurate, compliant, and timely filing.
A New Standard for Financial Reporting in the Netherlands
Financial reporting in the Netherlands is undergoing a fundamental transformation. From 2026 onwards, all legal entities are required to file their annual accounts digitally with the Dutch Chamber of Commerce using Standard Business Reporting.
While digital filing has already been introduced for smaller companies, the key development is the extension of this requirement to large companies, combined with stricter technical standards. This marks a decisive shift towards fully structured, digital financial reporting.
For many organisations, this is not simply a change in format. It requires a different approach to how financial statements are prepared, reviewed, and submitted.
Understanding SBR, XBRL, and iXBRL
Standard Business Reporting is the Dutch framework for exchanging financial data between businesses and authorities in a structured and standardised way.
Within this framework, XBRL serves as the technical format used to structure financial data. It allows financial statements to be broken down into individual elements, each tagged according to a predefined taxonomy.
iXBRL takes this one step further by combining structured data with a human-readable report. This means that financial statements can be reviewed in a familiar format while still containing embedded data that can be processed automatically.
For large companies, iXBRL is now the required standard, introducing a higher level of complexity and precision.
Who Needs to File in (i)XBRL
The digital filing obligation applies to all companies, but the format depends on size.
Micro, small, and medium-sized companies continue to file using XBRL under SBR. Large companies must now prepare and file their annual accounts in iXBRL format.
For companies that have historically relied on traditional reporting formats, this transition requires both technical and operational adjustments.
What Changes in Practice
The introduction of mandatory SBR and iXBRL filing brings several practical implications.
Financial statements must now be fully digitised and submitted through compliant systems. Traditional formats such as PDF are no longer sufficient for companies subject to the new requirements.
Financial data must be mapped and tagged in accordance with the Dutch taxonomy. This requires a detailed understanding of how financial statement items correspond to structured reporting elements.
Validation requirements have also become more stringent. Financial statements must meet both technical and regulatory standards before submission.
In addition, companies must ensure that their internal systems and processes are capable of producing compliant outputs.
Preparing an XBRL or iXBRL Financial Statement
Preparing an XBRL or iXBRL financial statement requires a structured and precise process.
It begins with the preparation of financial statements in accordance with Dutch accounting standards. These figures are then mapped to the relevant taxonomy, ensuring that each element is correctly classified.
The data must then be validated to ensure consistency, completeness, and compliance. This is a critical step, as errors in tagging or structure can lead to rejection.
Finally, the financial statements are converted into the required format and submitted digitally via SBR.
This process requires a combination of accounting expertise and technical understanding.
Why This Matters for Your Business
The transition to digital reporting is not purely technical. It has broader implications for compliance, transparency, and operational efficiency.
Companies are now required to produce financial data that is not only accurate, but also correctly structured and validated.
The use of structured data increases transparency and comparability, enabling authorities and stakeholders to analyse financial information more effectively.
At the same time, the increased complexity introduces new risks. Incorrect tagging, validation errors, or delays in filing can result in rejected submissions or compliance issues.
Common Challenges
In practice, many companies encounter challenges when preparing their first XBRL or iXBRL financial statement.
These often include understanding the taxonomy, mapping financial data correctly, ensuring validation compliance, and meeting strict deadlines.
For companies without the necessary expertise or systems in place, the process can be both time-consuming and resource-intensive.
How NetherBridge Partners Supports You
At NetherBridge Partners, we support companies in preparing and filing XBRL and iXBRL financial statements in a structured, efficient, and reliable manner.
We assist with the preparation of financial statements, taxonomy mapping, data tagging, validation, and digital filing via SBR. Our approach ensures that your financial statements are accurate, compliant, and submitted on time.
We also provide practical guidance to help you understand and navigate the new reporting framework, ensuring that your processes are aligned with current requirements.
Where timelines are tight, we are able to support companies on short notice, providing clarity and execution when it matters most.
Conclusion
Mandatory digital filing via SBR and iXBRL represents a significant step forward in the evolution of financial reporting in the Netherlands. While the framework is clear, its practical implementation requires careful planning and technical expertise.
Companies that adapt early and approach this in a structured way will benefit from improved reporting quality, greater transparency, and stronger compliance.
Next Step
If your company needs support with preparing or filing an XBRL or iXBRL financial statement, NetherBridge Partners is ready to assist.
We ensure that your reporting is compliant, accurate, and delivered on time, allowing you to focus on your business with confidence.
