Dejan Jasnic · Co-founder & Compliance Lead, Trusty · 20+ years anti-fraud & compliance · ACFE Swiss Chapter Board
In an increasingly demanding landscape of transparency, regulatory compliance, and sustainability, establishing a robust Supplier Due Diligence process is no longer just best practice – it is a strategic necessity.
Today, selecting suppliers based solely on price or delivery timelines is no longer enough. Organizations – whether large or small – must ensure their supply chains meet ethical, legal, and environmental standards. To achieve this, it is crucial to implement supplier risk assessments, audits, and verification processes that minimize risks and build trust at every level.
Why supplier due diligence is essential
A company is only as strong as its weakest link. Misconduct by a supplier can severely impact an organization’s reputation, operations, and legal standing.
The most common risks stemming from poor supplier selection include:
• Legal or tax violations.
• Breaches of labor or human rights.
• Lack of traceability or negative environmental impact.
• Insufficient measures against corruption or money laundering.
These risks have profound legal and financial consequences – and they also threaten a company’s credibility with customers, investors, and employees. This is why more organizations are adopting proactive, responsible third-party risk management practices to safeguard their supply chains.
Keys to effective supplier due diligence in the supply chain
1. Set clear criteria aligned with your ESG strategy
Before initiating any evaluation, it’s vital to define the values and standards that are crucial for your organization. Is regulatory compliance a top priority? Sustainability? Diversity and labor rights?
Translating these values into objective, measurable criteria is the first step toward ensuring suppliers align with your corporate culture and ESG compliance commitments.
2. Design a structured evaluation process
Effective supplier risk assessments integrate multiple information sources and tools, including:
• Supplier self-assessment questionnaires focusing on their structures, practices, and policies.
• Document verification, requesting compliance certificates, internal policies, past audits, and more.
• Scoring systems or risk matrices to objectively compare suppliers.
• On-site visits or external audits, particularly for high-risk sectors or regions.
Leveraging specialized supplier management software can streamline and automate these processes, ensuring full, secure supply chain transparency.
3. Implement continuous monitoring (not just at the start)
One of the most common mistakes in supplier management is treating Due Diligence as a one-time check. However, risks do not disappear after a contract is signed.
It is essential to establish continuous supplier monitoring mechanisms, such as:
• Regular document and certification reviews.
• Automated alerts for legal changes or non-compliance.
• Anonymous reporting channels to detect early warnings within the supply chain.
Having an ethical or whistleblower hotline accessible to employees, third parties, and suppliers is especially critical at this stage.
4. Train and involve all departments
Third-party risk management should not be the sole responsibility of the procurement or compliance teams. Involving departments like legal, finance, sustainability, and even marketing offers a broader, more strategic view.
Additionally, training teams on Due Diligence procedures, ESG risks, and the use of technology tools enhances process quality and fosters a cross-functional culture of integrity.
Conclusion: Prevention is protection
Ultimately, integrating Supplier Due Diligence as a core element of supplier selection is a way to protect an organization’s reputation, sustainability, and operational efficiency.
With solutions like those we offer at Trusty, it’s possible to automate and control these processes effectively, minimizing supplier risks and ensuring that every provider in your value chain meets the highest standards your business demands.
Because in times of uncertainty, the best strategy is to invest in intelligent prevention and responsible management.
Frequently asked questions
Legal or tax violations, breaches of labour or human rights, lack of traceability or negative environmental impact, and insufficient measures against corruption or money laundering, with legal, financial and credibility consequences.
Supplier self-assessment questionnaires, verification of documents such as compliance certificates, internal policies and past audits, scoring systems or risk matrices, and on-site visits or external audits for high-risk sectors or regions.
Risks do not disappear after a contract is signed, so regular document and certification reviews, automated alerts for legal changes or non-compliance and anonymous reporting channels keep the assessment current.
Not only procurement and compliance: legal, finance, sustainability and even marketing bring a broader view, and training all teams on due diligence procedures and ESG risks improves the quality of the process.
Related reading: SME due diligence in 2026, the value of partnering with smaller suppliers, and third party screening for SMEs.
THIRD-PARTY RISK SCREENING
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