The VSME Standard Explained: What UK SMEs Need to Know in 2026

Your customer just asked you to complete a "VSME-aligned" questionnaire. Now what?

VSME stands for Voluntary Sustainability Reporting Standard for non-listed Small- and Medium-Sized Enterprises. It was published by EFRAG -- the European Financial Reporting Advisory Group -- the same body behind the full European Sustainability Reporting Standards (ESRS) that large listed companies must follow under the Corporate Sustainability Reporting Directive (CSRD). For a detailed look at the template itself, see the EFRAG VSME template guide.

The name matters less than the purpose. VSME exists because of a specific problem: large companies subject to CSRD need sustainability data from their supply chains. Without a standard, every company invents its own questionnaire. SME suppliers end up answering dozens of overlapping but slightly different requests.

VSME sets a ceiling. It defines the maximum amount of sustainability data a large company should reasonably demand from an SME supplier.

Why this affects UK businesses

CSRD is an EU regulation, but it does not stop at EU borders. Any UK SME supplying goods or services to a company reporting under CSRD can expect to receive VSME-aligned data requests. The regulation applies to your customer. The questionnaire lands on your desk.

UK-based SMEs are not legally required to use VSME. There is no UK law mandating it. But if your customer base includes EU-headquartered companies -- or UK subsidiaries of EU groups -- you will likely encounter it. Treating VSME as a practical framework rather than a legal obligation is the right mindset.

The three modules

VSME is structured as three modules, each adding more detail. Think of them as tiers of reporting depth.

Basic Module

This is the minimum. It covers roughly a dozen data points that almost any SME can pull together:

Energy consumption (total kWh, split by source if possible)
Greenhouse gas emissions (Scope 1 and Scope 2, estimated if necessary)
Total workforce headcount and basic diversity data (gender split)
Whether you have key policies in place (environmental, health and safety, anti-corruption)
Workplace health and safety incidents (fatalities, serious injuries)

Most UK SMEs already track this data somewhere -- energy bills, HR records, policy documents. The Basic Module is about pulling it into one place, not generating new data from scratch.

Narrative Module

This adds qualitative context around the numbers. It asks you to describe:

Your business model and how sustainability relates to it
Material sustainability risks and opportunities you have identified
Governance arrangements for sustainability (who is responsible, how decisions are made)
Stakeholder engagement (how you involve employees, customers, communities)

The Narrative Module is where you explain the "why" behind your numbers. A 50-person manufacturing firm and a 50-person consultancy will have very different narratives, and that is the point.

Partner Module

This is the most detailed tier. It includes everything in the Basic and Narrative modules, plus additional quantitative disclosures that a large customer might specifically need for their own CSRD reporting:

Scope 3 upstream emissions data (so your customer can calculate their own supply chain footprint)
Water consumption and pollution data
Biodiversity impact indicators
Detailed workforce metrics (training hours, pay gap data, collective bargaining coverage)
Due diligence processes for human rights and environmental matters

Not every customer will ask for the full Partner Module. Many will cherry-pick specific data points relevant to their industry and reporting obligations.

What data points does VSME actually ask for?

Across all three modules, VSME covers roughly 60-70 individual data points. The most commonly requested ones for UK SMEs tend to cluster around:

Energy and emissions: annual energy use in kWh, Scope 1 and 2 GHG emissions in tonnes CO2e
Workforce: headcount, gender diversity percentages, health and safety incident rates
Governance: whether specific policies exist (environment, anti-bribery, data protection, modern slavery)
Environmental management: waste generated, recycling rates, water usage
Supply chain: whether you have a supplier code of conduct, how you assess supplier ESG performance

If you have already responded to supplier ESG questionnaires, most of these will look familiar. VSME did not invent new topics. It standardised existing ones.

How VSME connects to supplier questionnaires

This is the practical payoff. Before VSME, every corporate customer designed their own ESG questionnaire. You might answer 15 questionnaires a year, each asking the same things in slightly different ways.

VSME gives everyone a common reference point. As more large companies adopt VSME-aligned questionnaires, your answers become more reusable. The data points are defined consistently. The categories match up. An answer you prepared for one customer's VSME-aligned questionnaire transfers directly to the next.

This is why building a reusable fact library matters. When the underlying standard is consistent, your stored answers have a longer shelf life.

Practical next steps for UK SMEs

You do not need to implement all three modules overnight. A sensible approach:

1. Start with the Basic Module. Use the VSME data checklist to track the 40 specific data points and see which ones you can already fill. Gather your energy bills, HR headcount data, and confirm which policies you have in place. This covers the data points most customers will ask for first.

2. Audit your existing policies. Do you have a written environmental policy? Anti-bribery policy? Health and safety policy? If they exist but are outdated, update them. If they do not exist, draft them. These are binary data points -- you either have the document or you do not.

3. Build your fact library. Record each data point as a standalone, reusable fact. The ESG questionnaire response template provides a structure for this. When the next questionnaire arrives, you match questions to existing facts rather than starting from scratch.

4. Track your evidence. Every data point should link to a supporting document: the energy bill, the ISO certificate, the board minutes. Customers increasingly ask for evidence, not just answers.

5. Watch for updates. EFRAG continues to refine VSME guidance. The standard may evolve as CSRD implementation matures across Europe. Check EFRAG's published materials annually.

Where AnswerVault fits

AnswerVault's questionnaire templates include VSME-aligned questions mapped to the Basic, Narrative, and Partner modules. You can populate your fact vault against the VSME framework, then reuse those facts whenever a customer sends a questionnaire -- whether it is explicitly VSME-aligned or not.

The keyword matching engine recognises ESG terminology across 65 synonym groups, so even when questionnaires phrase things differently, your stored facts surface as suggestions.

Try AnswerVault free and be ready to build your VSME fact library today.

Sources

EFRAG VSME Exposure Draft — EFRAG, Voluntary ESRS for non-listed SMEs — Exposure Draft, November 2023. Defines the Basic, Narrative, and Partner modules. Available at efrag.org.
CSRD Directive — Directive (EU) 2022/2464 of the European Parliament and of the Council, 14 December 2022. Official Journal of the European Union, L 322.
ESRS Set 1 — Commission Delegated Regulation (EU) 2023/2772, 31 July 2023. The twelve topic standards referenced in VSME's Partner module.
Omnibus Simplification Package — European Commission, COM(2025) 80 final. Established VSME as the maximum data request ceiling for SME suppliers.