Short answer
The answer, before the reasoning
ESRS S2 is impact- and relationship-based, not a supplier-audit checklist. When workers in the upstream or downstream value chain are connected to material impacts, risks or opportunities, the undertaking explains the affected worker groups and locations, its policies and supplier expectations, engagement or credible-proxy arrangements, channels and remedy, actions and leverage, incidents, targets and the entity-specific metrics needed to show progress.
The evidence model should be proportionate: combine direct supplier data where obtainable with contracts, audits, worker voice, grievance records, risk intelligence and transparent estimates, while documenting coverage, limitations and improvement plans.
ESRS S2 due-diligence flow: identify material worker impacts, gather worker-informed evidence, act, remediate and report.
Why this question matters
Value-chain worker reporting becomes unmanageable when teams start with a supplier questionnaire instead of material impacts. A supplier list can contain thousands of entities while the most severe impact sits in one commodity, recruitment corridor, outsourced service or downstream relationship. A uniform request then produces low-value declarations and little worker-informed evidence.
ESRS S2 uses a different model: identify materially affected workers, understand the undertaking’s connection, use engagement and credible evidence, act according to leverage and responsibility, provide or cooperate in remedy where appropriate, and report outcomes and limitations. Data collection serves that model; it is not the model itself.
Quick orientation
At a glance
- Applies to
- Undertakings with material IROs involving workers outside the ESRS S1 own-workforce definition in upstream or downstream relationships.
- Primary decision
- Which worker groups and relationships are material, what evidence is proportionate, and how action, remedy and outcomes are demonstrated.
- Core sources
- Revised ESRS S2, ESRS 1 value-chain provisions and ESRS 2 general disclosure requirements.
- Common confusion
- Equating supplier certification or audit completion with evidence that worker impacts have been prevented or remediated.
- Technical status
- Commission-adopted revised ESRS dated 3 July 2026; final Official Journal and entry-into-force check required.
In practice
Who is a worker in the value chain?
| Example | Starting point | Boundary note |
|---|---|---|
| Outsourced catering or security workers at an undertaking site | S2 | Work location alone does not place the person in S1. |
| Agency workers integrated into the undertaking’s operating workforce | Potential S1 non-employee | Test actual work relationship and integration. |
| Workers at a direct supplier factory | S2 | A direct contract does not make them own workforce. |
| Workers extracting commodities several tiers upstream | S2 if materially impacted | Tier depth does not remove the connection. |
| Workers at downstream distributors or franchisees | Potential S2 | Assess product/service and business relationship. |
In practice
The four S2 disclosure requirements
| DR | What it asks |
|---|---|
| S2-1 | Policies, worker-group coverage, forced labour, child labour, trafficking and supplier code of conduct. |
| S2-2 | Engagement with workers, representatives or credible proxies; vulnerable groups; channels; grievance effectiveness and remedy. |
| S2-3 | Actions, resources, business-pressure tensions, effectiveness and human-rights incidents. |
| S2-4 | Qualitative or quantitative targets under GDR-T and related performance tracking. |
1. Start with a worker-impact map
Country or supplier risk scores are inputs, not conclusions. Combine sector, product, labour model, recruitment, location, vulnerable-worker and incident evidence. The same country can contain very different working conditions, and severe impacts can occur in lower-risk jurisdictions.
ESRS S2 due-diligence flow: identify material worker impacts, gather worker-informed evidence, act, remediate and report.
In practice
| Dimension | Examples | Evidence |
|---|---|---|
| Worker group | Migrant, temporary, women, young, disabled, home-based, platform, agricultural or mining workers | Workforce profiles, worker voice, audits, grievances |
| Value-chain location | Commodity origin, supplier factory, logistics route, outsourced service or downstream activity | Supplier/product maps, contracts and traceability |
| Impact/right | Wages, working time, association, H&S, harassment, forced/child labour, housing, water and privacy | Risk assessments, incidents, interviews and external intelligence |
| Connection | Caused, contributed or directly linked | Purchasing practices, contracts, leverage and due-diligence review |
| Severity/likelihood | Scale, scope, irremediability and likelihood | Impact assessment and approved thresholds |
2. Policies and supplier expectations
S2-1 states whether policies cover specific worker groups or all workers in the value chain, whether they address trafficking, forced or compulsory labour and child labour, and whether a supplier code exists. The disclosure should also show scope, communication, implementation, escalation and integration into procurement, sales, product and operational decisions.
Identify the commodities, services, geographies, supplier tiers and downstream relationships covered.
Describe expectations on recruitment, wages, hours, association, H&S, accommodation, grievance and remedy.
Explain onboarding, contracts, training, screening, monitoring, corrective action and escalation.
State policy gaps and the improvement plan.
3. Engagement, credible proxies and worker voice
S2-2 explains direct worker engagement, engagement through legitimate representatives or credible proxies, and how the perspectives informed decisions during the reporting year. Direct engagement is not always feasible or safe. A credible proxy can be a trade union, worker organisation, civil-society organisation or specialist with demonstrated knowledge and independence. Explain why the proxy is credible and which workers and issues it represents.
In practice
| Evidence | What it supports | Limitation |
|---|---|---|
| Worker interviews/focus groups | Experience, channel access and outcome validation | Sampling, language, retaliation and representativeness |
| Trade union/representatives | Collective concerns and systemic issues | May not cover informal or non-union workers |
| Credible civil-society proxy | Vulnerable groups and deep-tier context | Proxy basis and worker connection |
| Supplier management interview | Process design and controls | Not a substitute for worker voice |
| Survey/hotline data | Patterns and trends | Trust, response bias and case classification |
4. Channels, grievance and remedy
The undertaking describes channels available to workers in the value chain, whether a grievance mechanism exists, how effectiveness is assessed and its approach to remedy where it caused or contributed to harm. A global hotline can still be ineffective for workers without privacy, local language, technology or confidence against retaliation.
Accessibility: language, literacy, disability, technology, working hours and migrant status.
Independence and trust: ability to bypass supplier management and protection from retaliation.
Case governance: intake, triage, investigation, substantiation, escalation, remedy, closure and appeal.
Remedy: restoration, compensation, reimbursement, reinstatement, medical support or other appropriate outcome.
Effectiveness: timeliness, worker confirmation, recurrence and outcome, not case closure alone.
5. Actions, leverage and business-pressure tensions
S2-3 requires the actions and resources used to manage material impacts and asks how the undertaking handles tensions with procurement or sales pressures. Labour outcomes can be undermined by short lead times, late order changes, price pressure, unstable forecasting or recruitment arrangements even where the supplier standard is strong.
Supplier termination is not automatic remediation. Disengagement can remove leverage and harm worker income. Consider severity, feasibility of improvement, worker consequences and responsible exit.
In practice
| Connection | Action logic | Evidence |
|---|---|---|
| Caused | Stop/change the practice; provide or cooperate in remedy; prevent recurrence | Decision, remedy outcome and recurrence monitoring |
| Contributed | Change purchasing/sales/operational practice; use leverage and cooperate in remedy | Commercial-term changes and worker outcome |
| Directly linked | Use/build leverage, collaborate or responsibly disengage where appropriate | Escalation, collective action and decision rationale |
6. Incidents and legal/privacy review
For material S2 sub-topics, human-rights incidents connected to value-chain workers are reported subject to privacy. The application requirements focus on substantiated and verified instances; not every open proceeding or concern is a reportable incident. Information can be aggregated by type or affected worker group. Maintain a restricted register with source, location, relationship, status, substantiation basis, severity, action, remedy and public treatment.
7. Proportionate data collection and supplier evidence
Use direct value-chain data where reasonably obtainable and reasonable, supportable estimates where direct data cannot be obtained without undue cost or effort. Intensive collection should follow the material impact and worker population; a baseline supplier-code control can remain broader.
Supplier evidence ladder: triangulate policy, process, independent, worker-informed and outcome evidence.
In practice
| Evidence level | Examples | Use |
|---|---|---|
| Foundation | Policy, contract clauses and screening | Shows expectations and coverage, not outcomes |
| Supplier process | Self-assessment, payroll/time records and management interview | Tests process design and selected implementation |
| Independent | Audit, certification, traceability and specialist assessment | Use scope, method, independence and findings |
| Worker-informed | Interviews, representative input and grievances | Tests lived experience and accessibility |
| Outcome/remedy | Reimbursement, reduced hours, injury reduction and worker confirmation | Strong evidence of change and recurrence control |
| Estimate/proxy | Sector, country/commodity or cohort model | Disclose assumptions, coverage and improvement plan |
8. Targets and entity-specific metrics
S2-4 requires qualitative or quantitative targets under GDR-T. S2 does not prescribe the broad standardised metric set seen in S1, so entity-specific metrics may be needed. Select outcomes that follow the material impact pathway: workers reimbursed for recruitment fees, wage gaps remediated, excessive-hours population, grievance accessibility, remedy completion, severe incident recurrence or worker-confirmed outcomes. Define the worker and supplier population, method and limitation.
Nine-step implementation workflow
Confirm the S1/S2 boundary and map material worker groups, locations and relationships.
Identify actual and potential impacts and prioritise severity/likelihood.
Map policies and supplier expectations to material issues.
Design worker, representative or credible-proxy engagement.
Map channels, non-retaliation and remedy.
Identify connection and leverage and change business practices where necessary.
Build the evidence plan by impact and supplier/worker cohort.
Operate the incident and legal/privacy review process.
Set targets and entity-specific metrics and obtain governance approval.
Hypothetical case: electronics sourcing and migrant labour
The company retains baseline code coverage, but intensive evidence focuses on the material worker populations. It uses confidential worker interviews through a credible local organisation, recruitment-agent records and grievance cases; changes order and payment controls; reimburses verified fees; and obtains worker confirmation. Deeper-tier coverage combines traceability, industry collaboration and transparent proxies. The report explains screening coverage and the narrower outcome population instead of claiming universal outcome evidence.
In practice
Weak versus stronger reporting
| Weak wording | Stronger structure |
|---|---|
| “All suppliers comply with our code.” | Describe material impacts, worker groups, evidence, findings, action, remedy, outcomes and limitations. |
| “100% of suppliers were assessed.” | Define assessment depth, supplier/worker population, findings, worker input and action. |
| “We terminated non-compliant suppliers.” | Explain connection, leverage, worker consequences, remedy and responsible exit. |
| “Our hotline proves workers can speak up.” | Report accessibility, trust, non-retaliation, case handling and remedy effectiveness. |
In practice
Common mistakes and corrections
| Mistake | Correction |
|---|---|
| Direct-supplier-only scope | Map material pathways through products and relationships. |
| Audit equals outcome | Triangulate with worker voice and outcome verification. |
| Same questionnaire for all suppliers | Tier collection by material impact and cohort. |
| No purchasing-practice analysis | Review price, lead time, forecasts, order changes and incentives. |
| Complaint count as effectiveness | Assess accessibility, resolution, recurrence and worker confidence. |
| Publishing incident detail | Use restricted records and proportionate aggregation. |
Readiness
S2 evidence checklist
- Worker-impact map and materiality evidence.
- Supplier/value-chain map and S1/S2 boundary decisions.
- Policies, supplier code, contracts and escalation records.
- Worker/representative/proxy engagement and decision-use evidence.
- Channel, grievance, remedy and non-retaliation controls.
- Purchasing/sales practice and leverage decisions.
- Supplier, audit, worker-voice and outcome evidence with coverage.
- Estimate methodology, limitations and improvement plan.
- Incident substantiation, privacy/legal review and approval.
In practice
Connections to other ESRS
| Standard | Connection |
|---|---|
| S1 | Defines the own-workforce boundary. |
| S3 | Value-chain activities can affect workers and surrounding communities. |
| E1/E2 | Transition and pollution can create worker impacts. |
| G1 | Supplier integrity and speak-up controls can support but do not replace S2. |
| ESRS 2 | IRO, strategy, actions, targets, metrics and financial effects. |
Sources
Primary sources
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