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CSRD requires it. VSME builds on it. And your business gains deeper insight into both risks and opportunities.
A double materiality assessment identifies how your company impacts the world around it — and how external environmental, social, and governance factors impact your company.
The assessment forms the cornerstone of sustainability reporting under the CSRD, but it can also be used voluntarily by smaller companies that want to work strategically with ESG.
Regardless of size, a materiality assessment is an effective tool for prioritising sustainability initiatives and ensuring that your ESG efforts are built on a relevant and well-documented foundation.
Two perspectives, one ESG foundation
Double materiality involves assessing sustainability from two complementary perspectives:
- Impact materiality – how your company affects society, people, the climate, and the environment.
- Financial materiality – how sustainability factors affect your company’s financial performance and position.
Together, these two perspectives form the double view of materiality. By combining them, you can identify the ESG topics that are most significant — and therefore either reportable under CSRD or relevant to include in voluntary ESG efforts.

Double materiality for SMEs
Small and medium-sized enterprises working with voluntary sustainability reporting can also benefit greatly from conducting a materiality assessment — in full or in a simplified version.
It provides a clear understanding of where to focus your efforts and which topics to report on to meet expectations from customers, banks, or business partners.
CSRD: A requirement for large companies
Companies covered by the CSRD must conduct a double materiality assessment and include the results in their management report. The outcome ranks which ESRS topics the company must report on — such as climate, biodiversity, or social factors in the value chain.
The assessment is the first step toward a complete ESG report — and a cornerstone of future compliance.

How we help you reach your goal
At Grant Thornton, we offer both ongoing advisory and structured programmes — where we either manage the full process and deliver a completed assessment, or guide you through the process with tools and support so you can perform the assessment yourself.
We offer two approaches:
- Full-service process (A–Z)
- Facilitated process
Full-service process (A–Z)
We handle the entire process and deliver a complete assessment, including:
- Kick-off meeting
- Value chain mapping
- Management workshop
- Stakeholder engagement (interviews and desk research)
- Scoring of ESRS topics
- Comprehensive documentation of results
- Validation meeting with auditor
- Final presentation and handover
Facilitated process
We provide guidance and tools so you can conduct the assessment in-house, including:
- Kick-off workshop
- Step-by-step process guidance
- Stakeholder engagement guide
- Tools for scoring ESRS topics
Want to learn more?
Contact us for a no-obligation conversation about how we can help you conduct a double materiality assessment — tailored to your company’s needs and reporting requirements.