Deep dive: Supply chain traceability and transparency

Why It Matters

A 2025 survey by McKinsey found that 78 percent of consumers say they would switch brands if a company could not prove the sustainability claims on its packaging, yet only 6 percent of companies have full visibility beyond their tier-one suppliers (McKinsey, 2025). That gap between consumer expectation and corporate capability is closing fast, driven by regulation, technology, and reputational risk. The EU's Corporate Sustainability Due Diligence Directive (CSDDD), the EU Deforestation Regulation (EUDR), and the forthcoming EU Digital Product Passport (DPP) requirements under the Ecodesign for Sustainable Products Regulation (ESPR) are transforming supply chain traceability from a voluntary differentiator into a legal obligation.

At the same time, forced labor scandals in Xinjiang cotton, cobalt mining in the DRC, and deforestation linked to soy and palm oil have made transparency a board-level concern. Companies that cannot trace raw materials to their origin face import bans, investor divestment, and litigation. This deep dive examines the technology landscape enabling traceability, the implementation challenges that slow adoption, and where the strongest returns on investment are emerging.

Key Concepts

End-to-end traceability vs. chain of custody. Full traceability means tracking a specific batch of material from origin to finished product, maintaining a continuous digital thread across every transformation step. Chain of custody is broader and includes models like mass balance, where certified and uncertified materials may be mixed but volumes are tracked on paper. The Roundtable on Sustainable Palm Oil (RSPO) uses mass balance; the EU Deforestation Regulation demands plot-level geolocation, pushing the market toward true end-to-end traceability.

Digital product passports (DPPs). The EU's ESPR mandates that batteries (from February 2027), textiles, and electronics carry digital passports containing material composition, carbon footprint, recycled content, and repairability data. DPPs use QR codes or NFC chips linked to cloud-hosted datasets, creating a standardized information layer that travels with the product through its lifecycle. The Battery Regulation, already in force, requires a battery passport for all EV and industrial batteries sold in the EU (European Commission, 2025).

Blockchain for immutable records. Distributed ledger technology provides tamper-resistant audit trails for supply chain events. Each transaction, such as a shipment handoff, a quality test, or a certification issuance, is cryptographically recorded and cannot be altered retroactively. IBM Food Trust, used by Walmart for leafy greens traceability, demonstrated that blockchain reduced produce trace-back time from seven days to 2.2 seconds (IBM, 2024). However, blockchain does not solve the "garbage in, garbage out" problem: if inaccurate data is entered at the source, immutability preserves the error.

IoT and sensor networks. Internet of Things devices, including GPS trackers, temperature and humidity sensors, and RFID tags, generate real-time data about product location, condition, and handling. In cold chain logistics, IoT sensors reduced spoilage-related losses by 25 to 35 percent for companies deploying them across perishable supply chains (Gartner, 2025). When combined with geofencing and anomaly detection algorithms, IoT data can flag unauthorized route deviations or storage condition breaches automatically.

Satellite and remote sensing. Earth observation satellites enable deforestation monitoring at scale. Global Forest Watch, operated by the World Resources Institute, processes Landsat and Sentinel-2 imagery to provide near-real-time deforestation alerts across tropical forests. Companies like Cargill and Nestlé use satellite monitoring to verify that commodity suppliers comply with zero-deforestation commitments. Planet Labs' daily imaging capability allows monitoring of individual farm plots, a requirement under the EUDR for soy, palm oil, cocoa, coffee, rubber, wood, and cattle products.

What's Working

Regulation is driving adoption at unprecedented speed. The EUDR, which requires importers to demonstrate that products entering the EU market are deforestation-free and produced in compliance with local laws, has forced commodity traders and consumer brands to invest in geolocation-linked traceability systems. Olam Food Ingredients deployed satellite-verified plot mapping for its cocoa supply chain across Côte d'Ivoire and Ghana, covering over 200,000 farms by the end of 2025 (Olam, 2025). The compliance deadline has created urgency that voluntary commitments never achieved.

Interoperability standards are maturing. GS1, the global standards body for barcodes and data exchange, released updated EPCIS 2.0 (Electronic Product Code Information Services) standards in 2024, enabling cross-platform visibility events to be shared in a common format. This means a traceability event recorded in one system, such as a factory in Vietnam, can be read by a retailer's system in Germany without custom integration. Over 2 million companies globally now use GS1 identifiers, creating a shared language for traceability data (GS1, 2025).

ROI is becoming quantifiable. A 2025 analysis by Bain & Company found that companies with mature traceability programs reported 15 to 20 percent reductions in supply chain disruption costs, 8 to 12 percent improvements in recall speed and scope, and measurable brand trust gains reflected in a 3 to 5 percentage point increase in consumer willingness to pay a premium (Bain, 2025). Patagonia's Footprint Chronicles, which traces materials from farm to finished garment, has become a competitive advantage, with the company citing transparency as a factor in its above-industry-average customer loyalty metrics.

Sector-specific platforms are scaling. In minerals and metals, the Responsible Minerals Initiative (RMI) operates smelter audits and conformance programs covering over 400 smelters and refineries for tin, tantalum, tungsten, gold, and cobalt. In fashion, the Open Apparel Registry (now Open Supply Hub) provides an open-source mapping of over 100,000 global apparel and footwear facilities, enabling brands to share supplier information and reduce audit duplication. In food, the Seafood Task Force's traceability protocol for Thai shrimp supply chains has been adopted across major retailers in the US, EU, and Japan.

What's Not Working

Sub-tier visibility remains the core bottleneck. Most companies can trace materials to their tier-one suppliers, but visibility drops sharply beyond that point. A 2025 EY survey found that only 11 percent of companies had reliable traceability to tier three or beyond (EY, 2025). Raw material origins, where the highest environmental and social risks concentrate, remain opaque. The challenge is structural: tier-two and tier-three suppliers often serve multiple buyers, operate in jurisdictions with weak data infrastructure, and have little incentive to share proprietary production information.

Technology fragmentation increases costs. The traceability technology market includes hundreds of vendors offering blockchain, IoT, satellite, QR, NFC, DNA tagging, and isotope analysis solutions, often with proprietary data formats. Companies deploying multiple solutions across different product lines or geographies face integration complexity and vendor lock-in. The lack of a single interoperability layer means that data collected in one system often cannot be readily combined with data from another, increasing total cost of ownership.

Smallholder inclusion is lagging. An estimated 500 million smallholder farmers produce a significant share of the world's cocoa, coffee, palm oil, and rubber. Many lack smartphones, internet access, and formal land tenure documentation, making digital traceability enrollment difficult. Programs that require farmers to register GPS coordinates and upload documentation can exclude the most vulnerable producers. Fairtrade International reported in 2025 that only 30 percent of its certified cooperatives in sub-Saharan Africa had completed full digital traceability onboarding (Fairtrade, 2025).

Data verification and fraud risk. Traceability systems are only as reliable as the data entered at the point of origin. Self-reported data from suppliers, without independent verification, can be fabricated. DNA testing and isotope analysis can verify geographic origin for some commodities (such as cotton or olive oil), but these methods are expensive and impractical for high-volume, low-value goods. Satellite monitoring verifies land use but not labor conditions. Comprehensive assurance requires combining multiple verification methods, which adds cost and complexity.

Key Players

Established Leaders

• IBM — IBM Food Trust blockchain platform deployed by Walmart, Carrefour, and Nestlé for food traceability.
• SAP — GreenToken and SAP Responsible Design and Production solutions for mass balance and traceability at enterprise scale.
• GS1 — Global standards body; EPCIS 2.0 and Digital Link standards underpin interoperability for 2M+ companies.
• Planet Labs — Daily satellite imagery covering the entire Earth; used for deforestation monitoring and EUDR compliance.

Emerging Startups

• Circulor — Battery and minerals supply chain traceability using blockchain and IoT; clients include Volvo and Jaguar Land Rover.
• TextileGenesis — Fiber-to-retail traceability for sustainable textiles using blockchain fibercoins.
• Sourcemap — End-to-end supply chain mapping and risk analytics; serves Patagonia, Mars, and IKEA.
• Tilkal — Blockchain traceability platform focused on food, fashion, and cosmetics; deployed by L'Oréal and Carrefour.

Key Investors/Funders

• European Commission — Funding DPP pilot programs and EUDR compliance technology development through Horizon Europe grants.
• Breakthrough Energy Ventures — Investing in supply chain digitization and transparency technologies.
• USAID — Funding traceability pilots in cocoa, coffee, and palm oil supply chains in West Africa and Southeast Asia.
• Global Environment Facility (GEF) — Supporting commodity traceability systems linked to deforestation-free supply chains.

Sector-Specific KPI Benchmarks

Action Checklist

• Map your supply chain beyond tier one. Use platforms like Sourcemap or Open Supply Hub to identify tier-two and tier-three facilities. Prioritize high-risk commodities and geographies where environmental and social risks concentrate.
• Select interoperable technology. Choose traceability solutions that support GS1 EPCIS 2.0 and open data standards. Avoid proprietary platforms that create vendor lock-in or prevent data sharing with partners.
• Prepare for Digital Product Passports. Audit your product data readiness against ESPR requirements. Identify gaps in material composition, carbon footprint, recycled content, and repairability data. Start pilot DPP programs for battery and textile product lines ahead of mandatory deadlines.
• Integrate satellite monitoring for commodity risk. Deploy or subscribe to deforestation monitoring services (Global Forest Watch, Planet Labs) for soy, palm oil, cocoa, and cattle supply chains. Automate alerts when supplier plots show land use change.
• Invest in smallholder digital inclusion. Partner with cooperatives, NGOs, and mobile network operators to provide low-cost digital enrollment pathways. Use USSD-based data collection and agent-assisted registration to reach farmers without smartphones.
• Combine verification methods. Layer self-reported data with independent verification through satellite imagery, third-party audits, DNA/isotope testing, and worker voice platforms. No single method provides comprehensive assurance.
• Quantify and communicate ROI. Track traceability investments against measurable outcomes: recall speed improvements, disruption cost reductions, regulatory compliance costs avoided, and consumer trust metrics. Build the business case with concrete data.

FAQ

What is a Digital Product Passport and when will it be required? A Digital Product Passport (DPP) is a structured dataset linked to a physical product via a QR code, NFC chip, or digital watermark. It contains information about materials, origin, carbon footprint, recycled content, repairability, and end-of-life handling. Under the EU's Ecodesign for Sustainable Products Regulation, DPPs become mandatory for EV and industrial batteries in February 2027, with textiles and electronics to follow. DPPs are designed to support circular economy goals by giving consumers, recyclers, and regulators access to product lifecycle information.

How does blockchain improve supply chain transparency? Blockchain creates an immutable, shared ledger where each supply chain event is timestamped and cryptographically sealed. This prevents retroactive alteration of records, making it harder to falsify certificates of origin, organic certifications, or labor compliance documents. Walmart's leafy greens program demonstrated that blockchain reduced trace-back time from seven days to seconds (IBM, 2024). However, blockchain alone does not guarantee data accuracy at the point of entry; it must be combined with IoT sensors, satellite data, or physical verification to be effective.

What does the EU Deforestation Regulation require from importers? The EUDR requires companies placing soy, palm oil, cocoa, coffee, rubber, wood, and cattle products on the EU market to demonstrate that those products are deforestation-free (produced on land not deforested after December 31, 2020) and comply with the producing country's laws. Importers must collect plot-level geolocation data, conduct due diligence risk assessments, and retain documentation for five years. Non-compliance can result in fines of up to 4 percent of EU-wide annual turnover.

How can companies ensure traceability does not exclude smallholder farmers? Inclusive traceability programs use tiered approaches: cooperative-level aggregation for farmers who cannot register individually, agent-assisted GPS mapping, USSD or SMS-based data collection for feature phone users, and shared benefit models where farmers receive price premiums or preferential market access in exchange for participation. Fairtrade, Rainforest Alliance, and IDH (the Sustainable Trade Initiative) have developed toolkits specifically designed for smallholder onboarding in commodity supply chains.

What is the typical ROI timeline for a traceability investment? Most companies report reaching positive ROI within 18 to 36 months, depending on scope and sector. Early returns come from reduced recall costs, faster regulatory compliance, and decreased audit duplication. Longer-term benefits include brand premium capture, reduced supply chain disruption losses, and avoidance of regulatory penalties. Bain & Company (2025) found that companies with mature traceability systems recovered implementation costs within two years through a combination of operational savings and revenue protection.

Sources

• McKinsey & Company. (2025). The State of Supply Chain Sustainability: Consumer Expectations and Corporate Capabilities. McKinsey.
• European Commission. (2025). Ecodesign for Sustainable Products Regulation: Digital Product Passport Implementation Guidance. European Commission.
• IBM. (2024). IBM Food Trust: Blockchain Traceability Results and Walmart Leafy Greens Case Study. IBM Corporation.
• Gartner. (2025). IoT in Supply Chain: Cold Chain Monitoring Adoption and Spoilage Reduction Benchmarks. Gartner Inc.
• GS1. (2025). EPCIS 2.0 Adoption Report: Global Interoperability Progress in Supply Chain Visibility. GS1 Global Office.
• Bain & Company. (2025). Traceability ROI: Quantifying the Business Case for End-to-End Supply Chain Transparency. Bain & Company.
• EY. (2025). Supply Chain Visibility Survey: Sub-Tier Traceability Gaps and Technology Adoption. Ernst & Young.
• Olam Food Ingredients. (2025). Cocoa Traceability Report: Satellite-Verified Plot Mapping in West Africa. Olam Group.
• Fairtrade International. (2025). Digital Traceability Onboarding: Progress and Challenges in Sub-Saharan Africa. Fairtrade International.
• WRI. (2025). Global Forest Watch Annual Report: Deforestation Monitoring Coverage and Alert Accuracy. World Resources Institute.