By Thaddée Leblond · Published · Updated: May 2026
For an SME, a double materiality matrix is not a box to tick: it tells you where to focus effort. Double materiality — the analytical standard confirmed by the CSRD — combines your company's impact on the world and the effect of sustainability issues on your business. The goal is not an exhaustive mapping, but a simplified matrix of around ten priority issues.
Understanding the two viewpoints
Double materiality rests on a simple idea. On one side, impact materiality: what consequences does your activity have on the environment and society (emissions, working conditions, use of resources)? On the other, financial materiality: which sustainability issues weigh on your performance (energy costs, customer requirements, regulatory risks)? An issue is "material" as soon as it counts on either axis.
Why it is useful, even without an obligation
An SME outside the CSRD's scope does not have to carry out this exercise. But it is the best prioritisation tool there is: it avoids spreading yourself across every sustainability topic and concentrates energy on the few decisive issues. It is also what makes an action plan credible to a customer.
The four-step method
First, list the issues relevant to your sector (climate, energy, working conditions, procurement, ethics). Then, assess each issue on both axes — impact and finance — using your data and your stakeholders' views. Next, position the issues on a two-dimensional matrix to surface the priorities. Finally, translate the issues in the priority quadrant into an action plan with a few indicators.
Involving the right stakeholders
The matrix's reliability depends on who contributes. At minimum, management and employees; ideally a few key customers and suppliers. Their perspective avoids blind spots and eases buy-in to the resulting plan.
Staying proportionate
For an SME, a matrix of around ten issues, built in a few workshops, beats an endless analysis. The aim is a clear steering document — not a hundred-page compliance deliverable.
Double materiality is subject to evolving normative guidance. Adapt the method to your context rather than treating it as a fixed rule.
Frequently asked questions
It is the combined analysis of two viewpoints: your company's impact on the environment and society (impact materiality), and the effect of sustainability issues on your economic performance (financial materiality). An issue is material if it weighs on either one.
It is not an obligation for an SME outside the scope, but it is the most effective tool for prioritising: it avoids addressing everything and focuses effort on the few issues that genuinely matter to your activity and stakeholders.
For an SME, around ten priority issues is usually enough. A focused, usable matrix beats an exhaustive mapping that is never used.
Your key stakeholders: management, employees, and ideally a few customers and suppliers. Their input makes the prioritisation more reliable and eases buy-in to the action plan.
Sources
- EFRAG — VSME standard and the double materiality principle
- European Commission — sustainability reporting framework