Interview: Practitioners on Circular procurement & buyer requirements — what they wish they knew earlier

Circular procurement in the United States is no longer a fringe ambition confined to sustainability reports. Federal agencies, Fortune 500 companies, and state governments are now embedding circularity requirements into purchasing contracts worth hundreds of billions of dollars annually. The US General Services Administration (GSA) processed over $75 billion in procurement in fiscal year 2025, with circular criteria appearing in approximately 18% of new solicitations, up from just 4% in 2022. Yet practitioners navigating this transition report a steep learning curve filled with unexpected obstacles, supplier resistance, and measurement challenges that no vendor brochure or policy document adequately prepares them for. This practitioner-focused exploration synthesizes insights from procurement directors, sustainability officers, and supply chain leaders who have been building circular procurement programs across the US.

Why It Matters

US organizations spend approximately $13.5 trillion annually on procurement of goods and services, according to the Institute for Supply Management's 2025 benchmark report. Procurement decisions directly determine 60-80% of most organizations' environmental footprints through the materials, products, and services they source. Yet fewer than 12% of US companies have formalized circular procurement policies that extend beyond basic recycled content requirements, according to the Ellen MacArthur Foundation's 2024 assessment of Global Commitment signatories.

The regulatory landscape is accelerating the shift. The Federal Buy Clean Initiative, expanded in 2024, mandates that federally funded construction projects use materials meeting maximum embodied carbon thresholds for steel, concrete, asphalt, and flat glass. California's Buy Clean California Act (AB 262, expanded via SB 596) imposes similar requirements for state-funded projects. At least 14 additional states introduced comparable legislation in 2024-2025. The EPA's Comprehensive Procurement Guidelines now cover 62 product categories with minimum recycled content thresholds, up from 47 categories in 2022.

Corporate commitments are adding pressure from the demand side. Over 500 companies in the US have signed the Ellen MacArthur Foundation's Global Commitment or the New Plastics Economy pledge, requiring them to embed circularity into purchasing specifications. Major buyers including Apple, Google, Microsoft, and Walmart have published supplier circularity requirements that flow through multi-tier supply chains, affecting tens of thousands of upstream businesses. Apple's 2025 Supplier Responsibility Standards require all direct suppliers to report recycled material inputs and waste diversion rates, with non-compliance triggering corrective action plans.

For executives leading procurement transformation, the stakes are simultaneously strategic, financial, and regulatory. Organizations that build circular procurement capabilities early gain supplier relationships, cost advantages (recycled materials pricing is now 10-25% below virgin equivalents for several commodity categories), and regulatory readiness. Those that delay face tightening compliance requirements, premium pricing from limited compliant supply, and reputational risk as stakeholders increasingly scrutinize purchasing practices.

Key Concepts

Total Cost of Ownership (TCO) in Circular Context: Traditional procurement optimizes for lowest unit purchase price. Circular procurement shifts the optimization frame to total cost of ownership across the full product lifecycle, including acquisition, maintenance, energy consumption, end-of-life processing, and residual value recovery. Practitioners report that circular TCO analysis frequently reveals that higher-purchase-price circular products deliver 15-35% lower lifecycle costs through extended durability, reduced maintenance, and residual material value. The key benchmark: organizations should target TCO analysis completion for their top 20 spend categories within 12 months of program launch, as these typically represent 65-80% of procurement volume.

Material Passports and Product Data: Circular procurement requires granular information about material composition, disassembly potential, and recycled content that most product specifications currently lack. Digital product passports, standardized material declarations providing composition, origin, and end-of-life data, are emerging as a critical enabler. The EU's Digital Product Passport regulation (effective 2027 for batteries, phased for other categories through 2030) is driving global adoption. US practitioners report that requiring material passports from suppliers, even voluntarily, reveals critical data gaps: fewer than 30% of suppliers can provide complete material composition data for their products.

Circularity Performance Indicators (CPIs): Beyond recycled content percentages, mature circular procurement programs track a suite of indicators including: material circularity indicator (MCI, measuring the restorative material flows as a fraction of total flows), product lifespan extension achieved through repair and refurbishment, waste diversion rates for end-of-life products, and supplier circular readiness scores. The Ellen MacArthur Foundation's Circulytics framework provides the most widely adopted assessment methodology, with leading US organizations targeting supplier scores above 50 out of 100 for strategic suppliers by 2028.

Reverse Logistics and Take-Back Integration: Circular procurement extends beyond the purchase transaction to encompass product return, refurbishment, and material recovery. Effective programs integrate take-back requirements into initial purchase contracts, specifying supplier responsibilities for end-of-life collection, refurbishment capacity, and material recovery rates. The benchmark for mature programs: take-back clauses included in contracts representing at least 40% of durable goods procurement spend, with documented collection rates exceeding 70% for eligible products.

Circular Specification Writing: The technical practice of drafting procurement specifications that enable circular outcomes without unnecessarily restricting competition. This involves specifying performance outcomes rather than prescriptive material requirements, incorporating lifecycle and end-of-life criteria alongside traditional performance standards, and using functional units (cost per use, cost per hour of service) rather than unit price. Practitioners report that poorly written circular specifications are the most common reason for failed tenders, with overly restrictive language reducing qualified bidder pools by 40-60%.

What's Working and What Isn't

What's Working

Product-as-a-Service (PaaS) Procurement Models: US organizations shifting from product ownership to service-based models report the strongest circular outcomes. Interface's carpet leasing program, now operating across 4,500 US commercial accounts, delivers flooring-as-a-service with documented material recovery rates of 85% at end-of-contract. Xerox's managed print services retain ownership of equipment and consumables, achieving 95% material recovery and 30% lower total cost versus purchase models. The US federal government's Managed Mobility program, covering 2.3 million mobile devices, shifted to device-as-a-service in 2024, projecting $180 million in lifecycle savings over five years while increasing device reuse rates from 22% to an estimated 75%. Practitioners emphasize that PaaS models succeed because they align supplier incentives with longevity and resource efficiency rather than sales volume.

Cross-Functional Procurement Teams: Organizations that embed sustainability expertise directly within procurement teams, rather than maintaining parallel sustainability advisory roles, achieve materially better outcomes. Microsoft's Circular Economy Procurement team, integrated within their central procurement organization since 2023, has incorporated circular criteria into contracts covering $8.2 billion in annual spend. Their approach includes mandatory circularity assessment for all purchases exceeding $500,000 and supplier scorecards weighting circular performance at 15-20% of total evaluation criteria. The key success factor: procurement professionals receive 40-60 hours of circular economy training, enabling them to evaluate supplier claims and negotiate circular terms without requiring sustainability team intervention for every decision.

State and Municipal Circular Purchasing Cooperatives: Collaborative procurement among public entities is driving scale that individual agencies cannot achieve alone. The National Association of State Procurement Officials (NASPO) ValuePoint cooperative, representing 50 states and territories, incorporated circular criteria into master contracts for office furniture (requiring minimum 30% recycled content and manufacturer take-back), IT equipment (requiring EPEAT Gold certification and documented end-of-life material recovery), and fleet vehicles (requiring lifecycle emissions analysis). California's Department of General Services, procuring $10.4 billion annually, mandated Environmental Product Declarations (EPDs) for construction materials in 2024, creating a market signal that has driven over 2,000 manufacturers to publish EPDs for the first time.

What Isn't Working

Recycled Content Mandates Without Supply Verification: Multiple practitioners identified situations where recycled content requirements in specifications exceeded available certified supply, resulting in fraudulent claims, narrowed bidder pools, or specification waivers that undermined program credibility. The EPA's investigation in 2024 found that 23% of recycled content claims in federal procurement submissions could not be substantiated through chain-of-custody documentation. The lesson: circular specifications must be calibrated to market readiness. Practitioners recommend conducting supply market analysis before setting targets, starting with achievable thresholds (typically 15-25% recycled content for most product categories) and escalating requirements on published schedules that give suppliers time to invest in circular capacity.

Generic Sustainability Questionnaires: Organizations relying on broad sustainability surveys to assess supplier circular readiness report low-quality data and "checkbox compliance" that fails to drive behavioral change. A 2024 Sustainable Purchasing Leadership Council study found that 67% of supplier sustainability questionnaire responses were copy-pasted from previous submissions without updates, and only 18% included verification or supporting documentation. Practitioners recommend replacing generic questionnaires with category-specific circularity assessments focused on 5-8 quantifiable metrics, paired with on-site verification for strategic suppliers representing the top 20% of spend.

Pilot Programs That Do Not Scale: Several practitioners described successful circular procurement pilots (typically covering a single product category or business unit) that failed to scale due to insufficient integration with enterprise procurement systems, incompatible approval workflows, and resistance from category managers evaluated primarily on unit cost savings. A Fortune 100 manufacturer piloted circular procurement for packaging materials in two facilities, achieving 40% recycled content and 20% cost savings, but after 18 months the program remained confined to those facilities because the company's global procurement platform lacked fields for circular attributes and category managers' performance metrics did not include circularity targets. The learning: circular procurement must be embedded in procurement technology platforms, training programs, and performance management systems from the outset, not bolted on after successful pilots.

Key Players

Established Leaders

Walmart requires all suppliers in priority categories to report through the Sustainability Index, with circular metrics covering packaging recyclability, recycled content, and product durability. Their Project Gigaton framework has engaged over 5,600 suppliers in emissions and waste reduction targets, with documented 750 million metric tons of avoided emissions since inception.

Apple leads electronics circularity with its Material Recovery Lab in Austin, Texas, and published supplier requirements mandating recycled content targets for aluminum (100% recycled in select products), rare earth elements (100% recycled in MagSafe magnets), and tin (100% recycled solder). Apple's 2025 Environmental Progress Report documents 20% of all materials in new products sourced from recycled or renewable feedstocks.

US General Services Administration (GSA) operates the largest civilian procurement program globally, with circular criteria embedded in Federal Supply Schedules covering $36 billion in annual contract sales. The GSA Green Purchasing Program maintains a database of 12,000+ environmentally preferable products available through standard federal purchasing channels.

Emerging Innovators

Rheaply provides an asset exchange platform enabling organizations to redeploy surplus equipment and materials internally and across partner networks. Operating across 200+ enterprise accounts, Rheaply has facilitated over $45 million in asset reuse transactions, diverting materials from landfill while generating cost savings of 40-70% versus new procurement.

Circular.co offers a supply chain traceability platform specifically designed for recycled materials, providing chain-of-custody verification from waste collection through processing to final product. Their platform tracks over 500,000 metric tons of recycled plastics annually across 3,200 supply chain nodes.

Sustainable Purchasing Leadership Council (SPLC) provides the Guidance for Leadership in Sustainable Purchasing (GLSP) framework, the most comprehensive circular procurement standard for US organizations. Their certification program has accredited 180+ procurement professionals, and their benchmarking database covers purchasing practices of organizations representing $300 billion in combined annual spend.

Key Investors and Funders

Closed Loop Partners manages over $400 million in circular economy investments, with portfolio companies spanning materials recovery, reuse infrastructure, and circular supply chain technology.

EPA Solid Waste Management Grants provide federal funding for state and local circular procurement initiatives, with $150 million allocated in fiscal year 2025 for recycling infrastructure and market development.

Circulate Capital focuses on circular economy investments in packaging and materials recovery, with a portfolio spanning collection, sorting, recycling, and circular design enterprises.

Action Checklist

• Conduct a spend analysis mapping top 20 procurement categories against circular opportunity (recycled content availability, reuse potential, take-back feasibility)
• Establish a cross-functional circular procurement team embedding sustainability expertise within the procurement function
• Develop category-specific circular specifications using performance-based language, validated against supply market readiness
• Implement total cost of ownership (TCO) analysis as the default evaluation framework for durable goods exceeding $100,000 in annual spend
• Require material composition data and end-of-life instructions from suppliers in all new contracts for durable goods
• Integrate circular attributes (recycled content, repairability, take-back availability) into procurement technology platforms and supplier evaluation scorecards
• Set escalating circular targets on published 3-year schedules, giving suppliers investment certainty and lead time
• Pilot product-as-a-service models in 2-3 categories where supplier readiness and circular economics are strongest (IT equipment, furniture, flooring)
• Include circularity KPIs in procurement team performance evaluations, weighted at minimum 10% of overall assessment
• Join collaborative procurement initiatives (NASPO, SPLC) to access benchmarking data, shared specifications, and group purchasing power

FAQ

Q: What is the most common mistake organizations make when launching circular procurement programs? A: Starting with overly ambitious recycled content targets without verifying supply market readiness. Practitioners consistently report that setting targets 2-3 years ahead of available certified supply leads to specification waivers, fraudulent claims, or severely restricted competition. The recommended approach is to start with achievable thresholds based on supply market analysis, publish escalating targets on 3-year schedules, and pair targets with supplier development programs that build circular capacity in the supply base.

Q: How do circular procurement costs compare to conventional purchasing? A: Results vary significantly by category. For commodity materials (office supplies, packaging, basic construction materials), products with 20-30% recycled content are now price-competitive or 5-15% cheaper than virgin equivalents, driven by recycled feedstock cost advantages and growing production scale. For durable goods procured on total-cost-of-ownership basis, circular options (refurbished IT equipment, remanufactured office furniture, leased flooring) typically deliver 15-35% lifecycle cost savings. However, specialized products with limited circular supply chains may carry 10-25% premiums. The net financial impact for organizations implementing comprehensive circular procurement programs is typically positive within 18-24 months.

Q: How do we verify supplier circular claims without creating excessive administrative burden? A: Implement a risk-based verification approach. For strategic suppliers (top 20% by spend), conduct annual on-site audits focused on material traceability and circular process verification. For mid-tier suppliers, require third-party certifications (UL ECVP for recycled content, Cradle to Cradle for circular design, EPEAT for electronics). For tail-end suppliers, accept self-declarations with random spot-check audits covering 5-10% of the population annually. Require chain-of-custody documentation for all recycled content claims exceeding 25%. Technology platforms from providers like Circular.co can automate much of this verification.

Q: What regulatory changes should US procurement leaders prepare for in the next 2-3 years? A: Three developments warrant immediate preparation. First, the Federal Buy Clean Initiative is expected to expand beyond construction materials to cover additional product categories, likely including electronics and furniture, by 2027. Second, Extended Producer Responsibility (EPR) legislation is advancing rapidly at the state level, with packaging EPR laws now enacted in Maine, Oregon, Colorado, California, and Minnesota, and 12 additional states considering bills. EPR shifts end-of-life costs to producers, fundamentally changing the economics of circular versus linear products. Third, the SEC's climate disclosure rules, though subject to ongoing litigation, will likely require Scope 3 emissions reporting that includes procurement-related emissions, making circular procurement a compliance imperative.

Q: How do we build internal support for circular procurement when leadership focuses on cost reduction? A: Frame circular procurement as a cost management strategy, not an environmental initiative. Lead with total cost of ownership data showing lifecycle savings. Quantify risk reduction from supply chain diversification (recycled and secondary materials reduce dependence on volatile virgin commodity markets). Present regulatory compliance costs that will be incurred regardless (Buy Clean, EPR, climate disclosure) and show that proactive programs cost 30-50% less than reactive compliance. Finally, document customer and investor expectations: 73% of Fortune 500 companies now include sustainability criteria in their own procurement, meaning circular performance increasingly affects revenue retention, not just cost.

Sources

• Ellen MacArthur Foundation. (2024). Global Commitment 2024 Progress Report: Circular Economy in Practice. Cowes: Ellen MacArthur Foundation.
• Institute for Supply Management. (2025). Annual Procurement Benchmark Report: US Market. Tempe, AZ: ISM.
• US General Services Administration. (2025). Federal Procurement Data System Annual Report FY2025. Washington, DC: GSA.
• Sustainable Purchasing Leadership Council. (2024). Guidance for Leadership in Sustainable Purchasing, Version 3.0. Philadelphia, PA: SPLC.
• US Environmental Protection Agency. (2025). Comprehensive Procurement Guidelines: Program Update and Market Assessment. Washington, DC: EPA.
• California Department of General Services. (2025). Buy Clean California Act: Implementation Progress Report. Sacramento, CA: DGS.
• Closed Loop Partners. (2025). State of Circular Economy Investment in the United States. New York: Closed Loop Partners.