So many companies rely on suppliers to self-certify they comply with buyers’ codes of business conduct that the practice is “almost useless,” some experts believe.

Speaking as part of a panel discussion on enhancing supply chain due diligence at Compliance Week’s Europe conference in London, Maria Lancri, partner at French law firm Squair, told attendees self-certification is not the best way to gain assurance suppliers are acting in line with a company’s ethical or legal expectations.

Neil Hodge is a freelance business journalist and photographer based in Nottingham, United Kingdom. He writes on insurance and risk management, corporate governance, internal audit, compliance, and legal...