WHERE DO YOU STAND?
Every organisation starts from a different place
Click on the scenario that best reflects your organisation and reporting objectives. This includes companies preparing their first full ESRS report – whether mandatory or voluntary – organisations that paused implementation following recent regulatory developments, those looking to refine or streamline existing sustainability reporting, as well as organisations exploring proportionate voluntary reporting under frameworks such as the VS (formerly VSME) or ISSB.
Preparing for first-time reporting
First full ESRS report as company within the mandatory scope, or
Restarting first full ESRS report after regulatory changes, or
Preparing a first full ESRS report on a voluntary basis.
Enhancing existing reporting
Refining existing ESRS reporting and adapting to revised requirements.
Looking for a voluntary, but less complex sustainability reporting?
Explore VS & ISSB →
WHAT IS CSRD & SUSTAINABILITY REPORTING?
Turning sustainability into structured reporting
The Corporate Sustainability Reporting Directive (CSRD) and the European Sustainability Reporting Standards (ESRS) establish a structured framework for sustainability reporting. Through a Double Materiality Assessment, organisations identify their material impacts, risks and opportunities and determine the relevant ESRS disclosure requirements. The resulting reporting combines general disclosures with policies, actions, targets and metrics to provide transparent, comparable and decision-useful sustainability information.
KEY IMPLICATIONS
What CSRD reporting means in practice
Cross-functional collaboration
Reporting under assurance
Management ownership and governance
Building sustainable reporting processes
Sustainability reporting rarely sits within a single function. Finance, Sustainability, HR, Procurement, Operations and Legal often need to work together to provide information, establish responsibilities and coordinate reporting across the organisation.
For many sustainability teams, CSRD marks the transition from communication-focused reporting to compliance-driven reporting subject to external assurance. Tight deadlines and close collaboration with auditors introduce an entirely new way of working.
CSRD implementation requires active management involvement and clear governance. Treating sustainability reporting as a company-wide reporting process is key to long-term success.
Many organisations need to establish new data flows and reporting processes across functions and entities. At the same time, existing reports and disclosures can often be leveraged rather than recreated from scratch.
TIMELINE
From preparation to first reporting
Q3 2026
Final ESRS
European Commission adopted the final delegated act containing the simplified European Sustainability Reporting Standards, providing the basis for first-time implementation planning.
Q3–Q4 2026
Build the foundation
Confirm applicability, determine reporting scope, review existing reporting and establish governance for implementation.
BARNS Step 1
Q4 2026–Q1 2027
Assess what matters
Perform the Double Materiality Assessment, identify material IROs and determine applicable ESRS disclosure requirements.
BARNS Step 2
FY 2027
Design, implement and test
Embed the neu reporting framework, establish reporting processes and validate disclosures through dry runs.
BARNS Steps 3-6
FY 2027 Reporting
First mandatory application
Publish the first IFRS 18 financial statements, including comparative information under the new requirements.
BARNS Step 7
Approximate timelines. Actual project duration depends on data availability, stakeholder responsiveness, organisational capacity and implementation scope.
THE BARNS APPROACH
Starting with clarity
Every situation is different — but most projects follow a recognisable arc. The depth and focus of each phase depends on the specific standard, organisation and starting point. The timeline above illustrates how these phases typically unfold over the course of a first-time implementation project.
1
Requirements & intial impact assessment
2
Detailed technical assessment & addressing gaps
3
Reporting framework design
4
Implementation & coordination
5
Training & knowledge transfer
6
Dry run & validation
7
First time reporting & audit readiness
Looking closer at the first step
Based on the Step 1 readiness assessment, you can decide whether to continue internally or move into Step 2 – Detailed Technical Assessment together with BARNS. As Step 2 includes the Double Materiality Assessment, the applicable ESRS disclosure requirements and resulting data points are only determined at that stage, allowing for a focused and efficient assessment.
The auditor's perspective – built in from the start:
Led by a licensed Wirtschaftsprüfer (German Public Auditor / CPA equivalent), BARNS understands not only how new reporting requirements are implemented, but also how they may later be challenged in an assurance context.
AREA OF FOCUS
AREA OF FOCUS
CSRD Reporting.
CSRD Reporting.
CSRD Reporting.
New expectations. A practical way forward.
New expectations.
A practical way forward.
New expectations. A practical way forward.
Sustainability reporting has changed significantly in recent years. As CSRD requirements, ESRS and scope considerations continue to evolve, many organisations are reassessing their reporting approach. Others report voluntarily to meet stakeholder expectations or advance their sustainability ambitions. BARNS helps you focus on what matters.
Sustainability reporting has
changed significantly in recent
years. As CSRD requirements, ESRS and
scope considerations continue to evolve,
many organisations are reassessing their reporting
approach. Others report voluntarily to meet stakeholder expectations or advance their sustainability ambitions. BARNS helps you focus on what matters.
Sustainability reporting has changed significantly in recent years. As CSRD requirements, ESRS and scope considerations continue to evolve, many organisations are reassessing their reporting approach. Others report voluntarily to meet stakeholder expectations or advance their sustainability ambitions. BARNS helps you focus on what matters.
WHERE DO YOU STAND?
Every organisation starts from a different place
Click on the scenario that best reflects your organisation and reporting objectives. This includes companies preparing their first full ESRS report – whether mandatory or voluntary – organisations that paused implementation following recent regulatory developments, those looking to refine or streamline existing sustainability reporting, as well as organisations exploring proportionate voluntary reporting under frameworks such as the VS (formerly VSME) or ISSB.
Preparing for first-time reporting
First full ESRS report as company within the mandatory scope, or
Restarting first full ESRS report after regulatory changes, or
Preparing a first full ESRS report on a voluntary basis.
Enhancing existing reporting
Refining existing ESRS reporting and adapting to revised requirements.
Looking for a voluntary, but less complex sustainability reporting?
Explore VS & ISSB →
WHAT IS CSRD & SUSTAINABILITY REPORTING?
Turning sustainability into structured reporting
The Corporate Sustainability Reporting Directive (CSRD) and the European Sustainability Reporting Standards (ESRS) establish a structured framework for sustainability reporting. Through a Double Materiality Assessment, organisations identify their material impacts, risks and opportunities and determine the relevant ESRS disclosure requirements. The resulting reporting combines general disclosures with policies, actions, targets and metrics to provide transparent, comparable and decision-useful sustainability information.
KEY IMPLICATIONS
What CSRD reporting means in practice
Cross-functional collaboration
Reporting under assurance
Management ownership and governance
Building sustainable reporting processes
Sustainability reporting rarely sits within a single function. Finance, Sustainability, HR, Procurement, Operations and Legal often need to work together to provide information, establish responsibilities and coordinate reporting across the organisation.
For many sustainability teams, CSRD marks the transition from communication-focused reporting to compliance-driven reporting subject to external assurance. Tight deadlines and close collaboration with auditors introduce an entirely new way of working.
CSRD implementation requires active management involvement and clear governance. Treating sustainability reporting as a company-wide reporting process is key to long-term success.
Many organisations need to establish new data flows and reporting processes across functions and entities. At the same time, existing reports and disclosures can often be leveraged rather than recreated from scratch.
TIMELINE
From preparation to first reporting
Q3 2026
Final ESRS
European Commission adopted the final delegated act containing the simplified European Sustainability Reporting Standards, providing the basis for first-time implementation planning.
Q3–Q4 2026
Build the foundation
Confirm applicability, determine reporting scope, review existing reporting and establish governance for implementation.
BARNS Step 1
Q4 2026–Q1 2027
Assess what matters
Perform the Double Materiality Assessment, identify material IROs and determine applicable ESRS disclosure requirements.
BARNS Step 2
FY 2027
Design, implement and test
Embed the neu reporting framework, establish reporting processes and validate disclosures through dry runs.
BARNS Steps 3-6
FY 2027 Reporting
First mandatory application
Publish the first IFRS 18 financial statements, including comparative information under the new requirements.
BARNS Step 7
Approximate timelines. Actual project duration depends on data availability, stakeholder responsiveness, organisational capacity and implementation scope.
THE BARNS APPROACH
Starting with clarity
Every situation is different — but most projects follow a recognisable arc. The depth and focus of each phase depends on the specific standard, organisation and starting point. The timeline above illustrates how these phases typically unfold over the course of a first-time implementation project.
1
Requirements & intial impact assessment
2
Detailed technical assessment & addressing gaps
3
Reporting framework design
4
Implementation & coordination
5
Training & knowledge transfer
6
Dry run & validation
7
First time reporting & audit readiness
Looking closer at the first step
Based on the Step 1 readiness assessment, you can decide whether to continue internally or move into Step 2 – Detailed Technical Assessment together with BARNS. As Step 2 includes the Double Materiality Assessment, the applicable ESRS disclosure requirements and resulting data points are only determined at that stage, allowing for a focused and efficient assessment.
The auditor's perspective – built in from the start:
Led by a licensed Wirtschaftsprüfer (German Public Auditor / CPA equivalent), BARNS understands not only how new reporting requirements are implemented, but also how they may later be challenged in an assurance context.
WHERE DO YOU STAND?
Every organisation starts from a different place
Click on the scenario that best reflects your organisation and reporting objectives. This includes companies preparing their first full ESRS report – whether mandatory or voluntary – organisations that paused implementation following recent regulatory developments, those looking to refine or streamline existing sustainability reporting, as well as organisations exploring proportionate voluntary reporting under frameworks such as the VS (formerly VSME) or ISSB.
Preparing for first-time reporting
First full ESRS report as company within the mandatory scope, or
Restarting first full ESRS report after regulatory changes, or
Preparing a first full ESRS report on a voluntary basis.
Enhancing existing reporting
Refining existing ESRS reporting and adapting to revised requirements.
Looking for a voluntary, but less complex sustainability reporting?
Explore VS & ISSB →
WHAT IS CSRD & SUSTAINABILITY REPORTING?
Turning sustainability into structured reporting
The Corporate Sustainability Reporting Directive (CSRD) and the European Sustainability Reporting Standards (ESRS) establish a structured framework for sustainability reporting. Through a Double Materiality Assessment, organisations identify their material impacts, risks and opportunities and determine the relevant ESRS disclosure requirements. The resulting reporting combines general disclosures with policies, actions, targets and metrics to provide transparent, comparable and decision-useful sustainability information.
KEY IMPLICATIONS
What CSRD reporting means in practice
Cross-functional collaboration
Reporting under assurance
Management ownership and governance
Building sustainable reporting processes
Sustainability reporting rarely sits within a single function. Finance, Sustainability, HR, Procurement, Operations and Legal often need to work together to provide information, establish responsibilities and coordinate reporting across the organisation.
For many sustainability teams, CSRD marks the transition from communication-focused reporting to compliance-driven reporting subject to external assurance. Tight deadlines and close collaboration with auditors introduce an entirely new way of working.
CSRD implementation requires active management involvement and clear governance. Treating sustainability reporting as a company-wide reporting process is key to long-term success.
Many organisations need to establish new data flows and reporting processes across functions and entities. At the same time, existing reports and disclosures can often be leveraged rather than recreated from scratch.
TIMELINE
From preparation to first reporting
Q3 2026
Final ESRS
Revised ESRS are expected in September 2026, providing the basis for first-time implementation planning.
Q3–Q4 2026
Build the foundation
Confirm applicability, determine reporting scope, review existing reporting and establish governance for implementation.
BARNS Step 1
Q4 2026–Q1 2027
Assess what matters
Perform the Double Materiality Assessment, identify material IROs and determine applicable ESRS disclosure requirements.
BARNS Step 2
FY 2027
Design, implement and test
Embed the neu reporting framework, establish reporting processes and validate disclosures through dry runs.
BARNS Steps 3-6
FY 2027 Reporting
First mandatory application
Publish the first IFRS 18 financial statements, including comparative information under the new requirements.
BARNS Step 7
Approximate timelines. Actual project duration depends on data availability, stakeholder responsiveness, organisational capacity and implementation scope.
THE BARNS APPROACH
Starting with clarity
Every situation is different — but most projects follow a recognisable arc. The depth and focus of each phase depends on the specific standard, organisation and starting point. The timeline above illustrates how these phases typically unfold over the course of a first-time implementation project.
1
Requirements & intial impact assessment
2
Detailed technical assessment &
addressing gaps
3
Reporting framework design
4
Implementation & coordination
5
Training & knowledge transfer
6
Dry run & validation
7
First time reporting & audit readiness
Based on the Step 1 readiness assessment, you can decide whether to continue internally or move into Step 2 – Detailed Technical Assessment together with BARNS. As Step 2 includes the Double Materiality Assessment, the applicable ESRS disclosure requirements and resulting data points are only determined at that stage, allowing for a focused and efficient assessment.
The auditor's perspective – built in from the start:
Led by a licensed Wirtschaftsprüfer (German Public Auditor / CPA equivalent), BARNS understands not only how new reporting requirements are implemented, but also how they may later be challenged in an assurance context.
Let's find out where you stand.
Let's find out where you stand.
Whether you're preparing your first ESRS report or refining an existing sustainability reporting setup, the first step is understanding your current position. Together, we establish the right starting point for everything that follows.
Whether you're preparing your first ESRS report or refining an existing sustainability reporting setup, the first step is understanding your current position. Together, we establish the right starting point for everything that follows.
Advisory for reporting, accounting and transformation.
© 2026 BARNS GmbH Wirtschaftsprüfungsgesellschaft. All rights reserved.
Advisory for reporting, accounting and transformation.
© 2026 BARNS GmbH Wirtschaftsprüfungsgesellschaft. All rights reserved.
Advisory for reporting, accounting and transformation.
© 2026 BARNS GmbH Wirtschaftsprüfungsgesellschaft. All rights reserved.
Advisory for reporting, accounting and transformation.
© 2026 BARNS GmbH Wirtschaftsprüfungsgesellschaft. All rights reserved.