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Complex matters.

Structured differently.

Complex matters.

Structured differently.

Complex matters.

Structured differently.

BARNS advises on matters relating to accounting, financial and sustainability reporting and the related processes, systems and structures.

Support ranges from gaining a clearer view of your financials to implementing complex reporting and transformation requirements – complemented by CFO Advisory and selected audit and assurance services.

BARNS advises on matters relating to accounting, financial and sustainability reporting and the related processes, systems and structures.

Support ranges from gaining a clearer view of your financials to implementing complex reporting and transformation requirements – complemented by CFO Advisory and selected audit and assurance services.

Explore Services

Complex matters.

Structured differently.

BARNS advises on matters relating to accounting, financial and sustainability reporting and the related processes, systems and structures.

Support ranges from gaining a clearer view of your financials to implementing complex reporting and transformation requirements – complemented by CFO Advisory and selected audit and assurance services.

Explore Services

Founder of BARNS walking through a bright, modern office, representing a structured and pragmatic advisory approach to reporting, accounting and transformation.

Photo: Mirjam Hagen

Reporting and accounting challenges often go beyond the immediate technical question – whether it is about gaining clarity, responding to new regulatory or external requirements, as well as changed internal ambitions, improving established processes or navigating change.

Reporting and accounting challenges often go beyond the immediate technical question – whether it is about gaining clarity, responding to new regulatory or external requirements, as well as changed internal ambitions, improving established processes or navigating change.

Reporting and accounting challenges often go beyond the immediate technical question – whether it is about gaining clarity, responding to new regulatory or external requirements, as well as changed internal ambitions, improving established processes or navigating change.

BARNS supports organisations with technical expertise, structured and pragmatic advice and an independent perspective.

BARNS supports organisations with technical expertise, structured and pragmatic advice and an independent perspective.

BARNS supports organisations with technical expertise, structured and pragmatic advice and an independent perspective.

AREAS OF FOCUS

AREAS OF FOCUS

Explore how BARNS can support your organisation

Explore how BARNS can support your organisation

Explore how BARNS can support your organisation

Financial & Sustainability Reporting

BARNS supports organisations in navigating regulatory, external and voluntary reporting requirements:

BARNS supports organisations in navigating regulatory, external and voluntary reporting requirements:

• New and evolving IFRS & financial reporting requirements

• New and evolving IFRS & financial reporting requirements

• Sustainability reporting

• Sustainability reporting

• Reporting processes, data, systems, internal controls, governance & tools

• Reporting processes, data, systems, internal controls, governance & tools

• Reporting transformation & implementation support

• Reporting transformation & implementation support

• Reporting transformation & implementation support

BARNS supports organisations in assessing, reviewing and addressing accounting matters:

BARNS supports organisations in assessing, reviewing and addressing accounting matters:

• IFRS & German GAAP

• IFRS & German GAAP

• Complex accounting and measurement matters

• Complex accounting and measurement matters

• Technical accounting assessments & position papers

• Technical accounting assessments & position papers

• Accounting policies, guidelines & documentation

• Accounting policies, guidelines & documentation

Complex Accounting Advisory

BARNS supports organisations in preparing for audits, certifications, ratings and other regulatory or external requirements:

BARNS supports organisations in preparing for audits, certifications, ratings and other regulatory or external requirements:

• First-time audit readiness, audit readiness improvement & process optimisation

• First-time audit readiness, audit readiness improvement & process optimisation

• Voluntary sustainability assurance & limited assurance

• Voluntary sustainability assurance & limited assurance

• Certifications, ISO requirements & ESG ratings

• Certifications, ISO requirements & ESG ratings

• Other regulatory and external requirements, e.g. the EU Digital Product Passport, including processes, data & documentation

• Other regulatory and external requirements, e.g. the EU Digital Product Passport, including processes, data & documentation

Audit-readiness, Assurance & Certifications

BARNS supports organisations with finance and reporting matters – in day-to-day business as well as during growth, succession and change:

BARNS supports organisations with finance and reporting matters – in day-to-day business as well as during growth, succession and change:

• CFO sparring, stakeholder communication & management reporting

• CFO sparring, stakeholder communication & management reporting

• Understanding financial performance & using financial information for decision-making

• Understanding financial performance & using financial information for decision-making

• Developing finance & reporting processes and structures for growth, scaling & increasing requirements

• Developing finance & reporting processes and structures for growth, scaling & increasing requirements

• Succession & business transitions – reviewing and developing finance & reporting structures, enhancing business steering and KPIs, clarifying responsibilities & securing knowledge

• Succession & business transitions – reviewing and developing finance & reporting structures, enhancing business steering and KPIs, clarifying responsibilities & securing knowledge

CFO Advisory, Succession & Growth

BARNS Logo.

Advisory for reporting, accounting and transformation.

© 2026 BARNS GmbH Wirtschaftsprüfungsgesellschaft. All rights reserved.

BARNS Logo.

Advisory for reporting, accounting and transformation.

© 2026 BARNS GmbH Wirtschaftsprüfungsgesellschaft. All rights reserved.

WHO WE WORK WITH

WHO WE WORK WITH

Supporting organisations across different stages and structures

Supporting organisations across different stages and structures

Supporting organisations across different stages and structures

BARNS advises organisations of different sizes and ownership structures, with support tailored to their specific requirements, complexity and stage of development.

BARNS advises organisations of different sizes and ownership structures, with support tailored to their specific requirements, complexity and stage of development.

01

01

Start-ups & Scale-ups

Start-ups & Scale-ups

02

02

SMEs, Family-owned Businesses & Mittelstand

SMEs, Family-owned Businesses & Mittelstand

03

03

Private Equity & Portfolio Companies

Private Equity & Portfolio Companies

04

04

Large & Listed Companies

Large & Listed Companies

WORKING WITH BARNS

WORKING WITH BARNS

How working with BARNS looks like

How working with BARNS looks like

How working with BARNS looks like

Founder of BARNS in a modern office, representing close collaboration, technical expertise and a structured advisory approach.
Founder of BARNS in a modern office, representing close collaboration, technical expertise and a structured advisory approach.

Calm in complex projects

Calm in complex projects

Experienced support throughout demanding reporting and transformation situations.

Experienced support throughout demanding reporting and transformation situations.

Deep technical expertise

Deep technical expertise

Strong technical understanding combined with pragmatic and thoughtful advisory.

Strong technical understanding combined with pragmatic and thoughtful advisory.

Understanding what matters

Understanding what matters

Direct interaction, close collaboration and a strong understanding of your challenges throughout the project.

Direct interaction, close collaboration and a strong understanding of your challenges throughout the project.

Management-oriented

perspective

Management-oriented

perspective

Clear communication and practical solutions aligned with executive and stakeholder expectations.

Clear communication and practical solutions aligned with executive and stakeholder expectations.

Trusted relationships

Trusted relationships

Open communication, reliability and a thoughtful approach throughout the collaboration.

Open communication, reliability and a thoughtful approach throughout the collaboration.

Photo: Mirjam Hagen

IN FOCUS

Latest insights & perspectives

Latest insights & perspectives

Latest insights & perspectives

Finance and reporting process from data collection and accounting to aggregation, consolidation and financial reporting
Getting the Numbers Right Is Not Enough: What Makes a Good Financial Close?

Getting the Numbers Right Is Not Enough: What Makes a Good Financial Close?

A practical look at effective finance processes and how accounting, financial reporting, data, systems and tools can work together.

Voluntary Sustainability Reporting – What Does It Mean in Practice?

Voluntary Sustainability Reporting – What Does It Mean in Practice?

A practical introduction to the new Voluntary Standard (VS), formerly VSME, and how companies can approach voluntary sustainability reporting.

Digital Product Passport (DPP) for Companies: Understanding Before Planning

Digital Product Passport (DPP) for Companies: Understanding Before Planning

The EU Digital Product Passport is becoming mandatory across more industries. Why it's rarely a technical challenge, and why an early, structured look pays off.

How Much Effort Does the Voluntary Standard Involve in Practice – and How Can It Be Implemented Efficiently?

How Much Effort Does the Voluntary Standard Involve in Practice – and How Can It Be Implemented Efficiently?

How much time and resource the Voluntary Standard as a voluntary sustainability report realistically requires, and how implementation can be approached efficiently.

Value Chain Cap – What CSRD Companies Can Still Request From Their Supply Chain

Value Chain Cap – What CSRD Companies Can Still Request From Their Supply Chain

What CSRD-obligated companies need to consider when collecting supply-chain data, and where scope for further requests remains.

Value Chain Cap – What Suppliers Will No Longer Have to Provide

Value Chain Cap – What Suppliers Will No Longer Have to Provide

The Value Chain Cap limits what CSRD-obligated companies may request from smaller suppliers for their own reporting.

Voluntary Assurance Under the Voluntary Standard – When It Might Be Worth It

Voluntary Assurance Under the Voluntary Standard – When It Might Be Worth It

External assurance isn't required under the Voluntary Standard – when voluntary validation might still be worth considering.

Voluntary Standard (formerly VSME) vs. CSRD/ESRS – Where Are the Differences?

Voluntary Standard (formerly VSME) vs. CSRD/ESRS – Where Are the Differences?

Materiality, assurance, scope: an overview of the key differences between the Voluntary Standard and mandatory ESRS reporting.

From VSME to Voluntary Standard: What Has Changed

From VSME to Voluntary Standard: What Has Changed

From non-binding guidance to a delegated regulation: what appears to have changed as the VSME evolved into the Voluntary Standard.

What is the Voluntary Standard (formerly VSME)? A Quick Overview

What is the Voluntary Standard (formerly VSME)? A Quick Overview

The Voluntary Standard succeeds the VSME, giving companies outside CSRD scope a structured framework for voluntary sustainability reporting.

From start up to listed company
Are Your Reporting Processes Still Keeping Pace With Your Company?

Are Your Reporting Processes Still Keeping Pace With Your Company?

How to tell whether your reporting processes are still keeping pace with your company's growth and what to do next.

Glass memory representing IFRS 18 classification
IFRS 18: A Checklist and Roadmap for Implementation

IFRS 18: A Checklist and Roadmap for Implementation

A structured checklist and roadmap for implementing IFRS 18 – from the initial impact assessment through systems and processes to first-time application in 2027.

Minimalist 3D illustration of voluntary sustainability reporting, featuring a transparent glass report, a glass globe and a small green plant on a light stone platform.
Voluntary sustainability reporting: What's the point, and when does it make sense?

Voluntary sustainability reporting: What's the point, and when does it make sense?

Voluntary Standard: when does voluntary sustainability reporting make sense for companies outside CSRD scope? A practical starting point.

Minimalist 3D illustration of IFRS 18 showing structured financial reporting, transparent glass layers and the presentation of financial information.
IFRS 18 Implementation: Why Companies Should Start Preparing in 2026

IFRS 18 Implementation: Why Companies Should Start Preparing in 2026

IFRS 18 introduces major changes to financial statement presentation. Learn which companies are affected and why implementation should start in 2026.

Let’s discuss your project.

Let’s discuss your project.

Memberships & Professional Bodies

Memberships & Professional Bodies

Wirtschaftsprüferkammer (www.wpk.de)

Wirtschaftsprüferkammer (www.wpk.de)

Wirtschaftsprüferkammer (www.wpk.de)

BARNS Logo.

Advisory for reporting, accounting and transformation.

© 2026 BARNS GmbH Wirtschaftsprüfungsgesellschaft. All rights reserved.

BARNS Logo.

Advisory for reporting, accounting and transformation.

© 2026 BARNS GmbH Wirtschaftsprüfungsgesellschaft. All rights reserved.

BARNS Logo.

Advisory for reporting, accounting and transformation.

© 2026 BARNS GmbH Wirtschaftsprüfungsgesellschaft. All rights reserved.