Meet an Unreasonable Venture

Unravel Carbon

Accelerating the world's progress to a zero carbon economy

Grace Sai

Cofounder & CEO at Unravel Carbon

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unravelcarbon.com

Employees 21–50

Headquarters Singapore

Unravel Carbon is the 1st AI Agents + SaaS climate tech company helping enterprises measure, track, reduce, and report carbon emissions across their operations,

products, and supply chains. The platform supports ESG and climate risk reporting and compliance. With customers in more than 50 countries, Unravel Carbon has expanded into the United States and Japan in 2025. Its mission is to reduce one gigaton of global carbon emissions through enterprise decarbonization.

Energy & Environment

Notable Achievements

Raised Asia’s largest ClimateTech software seed round of $9.4 million.
Selected for YC and AWS GenAI Accelerators with under 2% acceptance rate.
Built a world-class AI engine for emissions tracking and climate risk reporting.

Currently Operating in 52 Regions

Press Mentions

September 18, 2026

Pulse Fund Closes $63M Inaugural Fund to Back the Next Generation of Climate Companies

Unravel Carbon has gained recognition as a key player in climate innovation, having secured investment from Pulse Fund's recent $63 million fund aimed at nurturing next-generation climate...

July 30, 2025

Unravel Carbon CEO on Singapore's Startup Ecosystem

Unravel Carbon, a pioneering startup, is enhancing sustainability efforts in Singapore through innovative carbon management solutions. CEO Grace Sai highlights the supportive ecosystem for...

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