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Decarbonization Companies

Decarbonization companies offer technology and services that help organizations reduce their greenhouse gas emissions, from energy efficiency and electrification to emissions planning. Buyers include corporate sustainability, operations and facilities teams. Vendors are listed A–Z with no scores or rankings; see our methodology for how vendors are included.

6 companies · A–Z · Ranked by verified data once availableCompare →
A

AECOM

aecom.com
AECOM is an American infrastructure consulting firm headquartered in Dallas, Texas, and listed on the New York Stock Exchange as ACM. Through its Sustainable Legacies offer it provides ESG advisory, net-zero and decarbonization planning, and climate resilience services. Its near-term, long-term and net-zero targets are validated by the Science Based Targets initiative. Compiled from public sourcesFounded: 1990 Public sourceSBTi: Near-term: Validated Targets; Long-term: Validated Targets; Net-zero: Validated Targets (SBTi entity: AECOM) Public sourceHQ: Dallas, Texas, USA Public sourceSource: aecom.com
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B

Baringa

baringa.com
Baringa is a London-headquartered management consulting partnership founded in 2000. It has more than 2,000 people across the UK, Europe, North America, Asia and Australia, and works heavily on energy and the energy transition. Its near-term, long-term and net-zero targets are validated by the Science Based Targets initiative. Compiled from public sourcesHQ: London, UK Company websiteFounded: 2000 Company websiteSBTi: Near-term: Validated Targets; Long-term: Validated Targets; Net-zero: Validated Targets (SBTi entity: Baringa Partners LLP) Public sourceSource: www.baringa.com
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E

ERM

erm.com
ERM (Environmental Resources Management) is a London-headquartered sustainability consultancy that calls itself the world's largest advisory firm focused solely on sustainability. It has more than 8,000 people in over 140 offices across 40+ countries and territories. Its near-term, long-term and net-zero targets are validated by the Science Based Targets initiative. Compiled from public sourcesHQ: London, UK Public sourceFounded: 1987 (merger of ERL, 1971, and ERM, 1977) Public sourceSBTi: Near-term: Validated Targets; Long-term: Validated Targets; Net-zero: Validated Targets (SBTi entity: ERM Group) Public sourceSource: www.erm.com
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IE

IBM Envizi

ibm.com
IBM Envizi offers advanced tools for calculating greenhouse gas emissions, sustainability reporting, and decarbonization efforts. Company websiteSBTi: Not found in SBTi export (checked 2026-10-16) Public sourceSource: www.ibm.com
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P

Persefoni

persefoni.com
Persefoni is climate management and carbon accounting software for companies and financial institutions, based in Tempe, Arizona, and founded in 2020. Its platform helps organizations measure their carbon footprint, respond to disclosure requests from customers, investors and regulators, and plan decarbonization. It offers a free entry tier alongside enterprise plans, and its own near-term targets are validated by the Science Based Targets initiative. Compiled from public sourcesHQ: Tempe, Arizona, USA Public sourceFounded: 2020 Public sourceSBTi: Near-term: Validated Targets (SBTi entity: Persefoni) Public sourceSource: www.persefoni.com
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PA

Plan A

plana.earth
Plan A is a Berlin-based carbon accounting and decarbonization software company founded in 2017. Its platform combines emissions measurement, target setting, reduction planning, supplier engagement and sustainability reporting in one place. Plan A says it works with more than 1,500 companies and partners, is supported by a scientific advisory board, and has been a Certified B Corporation since 2021. Compiled from public sourcesHQ: Berlin, Germany Public sourceFounded: 2017 Company websiteSBTi: Not found in SBTi export (checked 2026-10-16) Public sourceSource: plana.earth
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Ranked by verified data once available. Until then companies are shown A–Z. Paid placements are labeled Sponsored and never change the order.

Frequently asked questions

What is decarbonization?

Decarbonization is the process of reducing the greenhouse gas emissions from an organization's operations, energy use and value chain.

What services do decarbonization companies provide?

Offerings vary and can include emissions measurement, reduction roadmaps, energy efficiency, electrification, renewable energy and supply chain programs.

How do I choose a decarbonization partner?

Start with your largest emission sources, then compare providers on relevant experience, how they measure results, and whether they plan, implement or both. See also the sustainability consultants hub.

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