Top 10: Sustainable Procurement Consulting Firms

As Scope 3 scrutiny intensifies, procurement has become a frontline function for achieving corporate sustainability goals. 

Today’s Chief Procurement Officers are expected to deliver not just savings, but measurable progress on emissions, human rights and circularity. 

Consulting partners play a critical role in that shift, providing the strategy, data and delivery muscle to turn ESG pledges into supply chain reality. 

This list profiles 10 leading firms helping organisations embed sustainable procurement at scale – from redefining category strategies and supplier relationships to building the capabilities, operating models and governance needed to make responsible buying the new business as usual.

10. Capgemini

CEO: Aiman Ezzat

Headquarters: Paris, France

Capgemini supports clients in transforming procurement into a digitally enabled, sustainable value engine. Through its invent and consulting practices, the firm helps organisations re‑platform source‑to‑pay, embed ESG data into decision‑making and collaborate with suppliers on decarbonisation and social‑impact initiatives. Capgemini’s experts work with CPOs to operationalise sustainable procurement policies, redesign category playbooks and introduce analytics‑driven supplier performance management focused on emissions, ethics and resilience. Leveraging its strengths in cloud, data and AI, Capgemini enables end‑to‑end visibility of supply‑chain impacts and regulatory compliance.

9. Accenture

CEO: Julie Sweet

Headquarters: Dublin, Ireland

Accenture helps organisations leverage procurement as a catalyst for 360‑degree value, blending cost, sustainability and resilience. Its Supply Chain & Operations and Sustainability services support clients to map Scope 3 emissions, build responsible sourcing strategies and activate circular business models through suppliers. Accenture combines deep industry expertise with digital tools, analytics and cloud platforms to give procurement leaders visibility into ESG risks and opportunities across complex, multi‑tier supply chains.

8. Deloitte

CEO: Joe Ucuzoglu

Headquarters: London, UK

Deloitte helps clients redesign procurement for a low‑carbon, responsible and digitally enabled future. Through its consulting and risk advisory practices, Deloitte supports organisations in integrating ESG criteria into category strategies, supplier onboarding and ongoing performance management, underpinned by data and technology platforms. The firm’s teams work with C‑suite leaders and CPOs to quantify supply‑chain emissions, strengthen due diligence processes and build transparent reporting for regulations and voluntary frameworks.

7. Bain & Company

CEO: Christophe De Vusser

Headquarters: Boston, Massachusetts, US

Bain & Company helps organisations design sourcing strategies that deliver both cost efficiencies and ambitious sustainability outcomes. Operating across dozens of offices worldwide, Bain & Co has completed hundreds of procurement projects, often targeting significant savings while advancing ESG objectives such as emissions reduction, supplier diversity and ethical sourcing. The firm has committed to net zero by 2030 and signed the Business Ambition for 1.5°C.

6. McKinsey & Company

CEO: Bob Sternfels

Headquarters: New York City, US

McKinsey & Company brings its global operations and sustainability practices together to help clients harness procurement as a lever for decarbonisation and inclusive growth. McKinsey’s procurement specialists combine granular spend and supplier analytics with deep category and industry knowledge to identify ESG hot spots and redesign sourcing strategies. With dedicated “Green Teams”, McKinsey supports CPOs in building the capabilities, tools and governance needed to scale sustainable procurement.

5. Kearney

CEO: Alex Liu

Headquarters: Chicago, Illinois, US

Kearney positions procurement at the centre of the transition to sustainable, resilient business models. Through its sourcing and operations practices, the firm helps clients quantify Scope 3 emissions, reimagine category strategies and embed ESG considerations into supplier selection, contracts and performance scorecards. Kearney’s consultants work with CPOs to balance cost, risk and sustainability, developing strategies for circularity and low‑carbon materials.

4. Inverto

CEO: Daniel Weise

Headquarters: Cologne, Germany

Inverto, a subsidiary of BCG, supports organisations in transforming sourcing into a driver of sustainable value creation. It combines deep category expertise with methodological rigour to help clients decarbonise their supplier portfolios, strengthen human-rights due diligence and increase transparency across tiers. Inverto’s projects often focus on redesigning specifications, integrating ESG into tenders and building the capabilities of procurement teams.

3. Proxima

CEO: Gareth Evans

Headquarters: London, England, UK

Proxima is a specialist procurement consultancy that has repositioned around sustainable procurement, moving beyond cost‑out to value and impact. Its services help organisations assess where ESG value lies in their supply base and transform operating models so sustainability becomes embedded in business‑as‑usual buying. Proxima supports clients with sustainability assessments and long‑term transformation, from living‑wage‑compliant supply chains to inclusive supplier ecosystems.

2. GEP

CEO: Subhash Makhija

Headquarters: Clark, New Jersey, US

GEP integrates digital platforms, analytics and consulting expertise to help enterprises embed sustainable procurement across the end‑to‑end source‑to‑pay lifecycle. Its teams support clients to re-baseline spend with ESG lenses and transition to lower‑carbon, ethically sourced alternatives at scale. By combining category intelligence with supplier risk data, GEP enables procurement leaders to balance cost, resilience and sustainability in real time.

1. SE Advisory

EVP: Steve Wilhite

HQ: Paris, France

SE Advisory, part of Schneider Electric, positions procurement as a strategic lever for net zero, embedding ESG into every sourcing decision rather than bolting it on at the end of the RFP. The firm helps CPOs redesign category strategies, supplier selection and contract governance to align with science-based targets and evolving regulations. From Scope 3 mapping to sustainable supplier development, SE Advisory blends data and change management to turn policy into measurable outcomes.