ESEF & UKSEF Compliance Solutions

Simplify Your Annual Reporting. Ensure Compliance. Reduce Risk.

ActiveDisclosure® by DFIN is the trusted platform for UK and European listed companies to meet the evolving demands of ESEF and UKSEF reporting. Designed to streamline the entire process—from iXBRL tagging to XHTML conversion—our disclosure management solution ensures your annual ESEF report is regulator-ready, on time, and fully transparent. ActiveDisclosure® gives you the best way to be prepared for the recent ESMA/FCA updates as well as those to come in the future.

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One platform. Total control.

From drafting to design, tagging to submission —ActiveDisclosure empowers your teams to collaborate seamlessly in one secure platform. Meet ESEF and UKSEF compliance with a single, secure solution.

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A modern workflow to eliminate versioning errors and simplify collaboration—internally and externally

Avoid the risks and inefficiencies of emailing Word and Excel files. ActiveDisclosure is the leading ESEF reporting software that keeps your entire team — including auditors, legal counsel, and translation agencies — aligned on a single source of truth.

Step 1: Collaborative Drafting

Step 2: iXBRL Tagging

Step 3: Design & Format

Step 4: ESEF conversion & export

Step 5: Future-proof Your Disclosure Strategy

Step 1: Collaborative Drafting

Draft, edit, and comment in real time with internal and external stakeholders
Manage collaboration between legal, finance, and auditors — all on one platform
Built-in version control to track every change and approval
Compatible with Word, Excel, and PowerPoint workflows

Step 2: iXBRL Tagging

Automated iXBRL tags speed up the tagging process
Real-time validation flags errors before submission
Access to the world's largest team of XBRL experts
Full support for ESMA taxonomy and UK extensions

Step 3: Design & Format

Professional styling tools for investor-ready annual reports
Ensure brand consistency across every page
No software installation required — design in the browser

Step 4: ESEF conversion & export

One-click XHTML/iXBRL conversion for ESEF compliance
Built-in ESMA and FCA validation engine
Export-ready files for National Storage Mechanisms

Step 5: Future-proof Your Disclosure Strategy

ESEF Compliance Today — Meet all current ESEF and UKSEF reporting requirements
ESG Reporting - Emerging Standards — Prepare for ISSB and UK SRS alignment
Companies House Filing Ready by 2027 — Stay ahead of upcoming digital filing mandates

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Trusted by Leading Companies

6,000+

Clients Worldwide

160,000+

Regulatory Filings Annually

80%

Time Saved in file conversion and tagging

#1

Largest Team of XBRL Experts Globally

ActiveDisclosure: Your all-in-one solution for ESEF and UKSEF reporting

ESMA & FCA Compliance

Meet all current regulatory requirements for ESEF and UKSEF annual financial reporting.

Seamless XHTML/iXBRL Conversion

Convert your annual report into ESEF-compliant XHTML with embedded iXBRL tags in one click.

Built-in iXBRL Tagging

Automated tagging with real-time validation and access to the world's largest XBRL expert team.

Collaborative Tools

Work with auditors, legal counsel, and teams on a single platform with full version control.

Expert Support & Advisory

24/7/365 access to regulatory and XBRL experts, plus onboarding and training.

Transparent Pricing

Clear, predictable pricing with no hidden fees or surprise costs.

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ARTICLE

ESEF Reporting in 2H 2025: What UK and European Listed Companies Need to Know

As we enter the second half of 2025, the regulatory landscape for financial and sustainability reporting continues to evolve. For UK and EU-listed companies, the European Single Electronic Format (ESEF) and its UK variant (UKSEF) remain central to annual reporting obligations.

Read now

WHITE PAPER

ESEF Annual Reporting Inline XBRL Explained

Learn how using iXBRL formatting in ESEF annual reporting will improve financial data quality, accessibility and continue the modernisation of financial and sustainability reporting.

Learn more

Future-Proof ESG Reporting That Drives Impact

Unlock the Power of ESG Disclosure with ActiveDisclosure®
ActiveDisclosure enables public companies to produce ESG reports that are:

Accurate & Actionable

Produce ESG reports that are accurate, auditable, and aligned with evolving standards.

Index-Ready

Structure your ESG disclosures to meet index requirements and investor expectations.

Rating-Boosting

Improve your ESG ratings with comprehensive, transparent reporting.

Integrated & Efficient

Combine financial and ESG reporting in one platform for maximum efficiency.

Future-Proofed

Stay ahead with built-in alignment for CSRD, ESRS, ISSB, and UK SRS standards.

Learn more

Discover how ActiveDisclosure can simplify your ESEF and UKSEF reporting process.

Schedule a demo

or

call +44 203 047 6100

Frequently Asked Questions

ESEF (European Single Electronic Format) is a mandatory digital format for annual financial reports required by ESMA for EU-listed companies. Read our blog article to learn more.

Yes, it fully supports UKSEF requirements including XHTML formatting and iXBRL tagging.

Yes, the platform is aligned with ESRS, CSRD, ISSB, and UK SRS standards for ESG disclosures.

Feature	Description
XHTML / iXBRL Conversion	Directly within the platform
iXBRL Tagging	Automated and taxonomy-aligned
Validation Engine	Ensures ESMA/FCA compliance
Collaboration Tools	Multi-team access and workflow
Expert Support	Onboarding, training and advisory
Highly Secure Platform	Auditable and cloud-based

No installation required—ActiveDisclosure is cloud-based and easy to use.

ActiveDisclosure is trusted globally for high-stakes capital markets transactions—including IPO due diligence and multi-billion-dollar M&A deals. Our platform is built with enterprise-grade security, role-based access controls, and full auditability to protect pre-market financial data. Learn more at our Trust Center

24/7/365 access to regulatory and XBRL experts, plus onboarding and training.

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About

ESEF & UKSEF Compliance Solutions

Simplify Your Annual Reporting. Ensure Compliance. Reduce Risk.

One platform. Total control.

A modern workflow to eliminate versioning errors and simplify collaboration—internally and externally

Trusted by Leading Companies

6,000+

160,000+

80%

#1

ActiveDisclosure: Your all-in-one solution for ESEF and UKSEF reporting

ESMA & FCA Compliance

Seamless XHTML/iXBRL Conversion

Built-in iXBRL Tagging

Collaborative Tools

Expert Support & Advisory

Transparent Pricing

ESEF Reporting in 2H 2025: What UK and European Listed Companies Need to Know

ESEF Annual Reporting Inline XBRL Explained

Future-Proof ESG Reporting That Drives Impact

Accurate & Actionable

Index-Ready

Rating-Boosting

Integrated & Efficient

Future-Proofed

Frequently Asked Questions

What is ESEF and why is it important?

Does ActiveDisclosure support UKSEF?

Is ESG reporting included?

What are the functionalities of ActiveDisclosure for ESEF & UKSEF Annual Reporting?

Do I need to install software?

How secure is the platform for handling sensitive financial data?

What kind of support is available?

More findings, right this way

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