Sinai

Online platform that provides decarbonization solutions for companies, enabling them to go beyond carbon accounting and develop cost-effective carbon reduction strategies

placeSan Francisco, California, United States calendar_todayFounded 2017 groups55 employees language sinai.com

Registered entities

Social engagement

Social engagement: 11.3K social following, 2 posts in the last 12 months — below the industry typical range.

Investor mix

20 investors on record; lead investors include Y Combinator, Obvious Ventures, Afore Capital, Energize Capital.

Investor typeCountShare
Venture capital1575%
Angel & family office15%
Accelerator & incubator15%
Other / undisclosed315%

Hiring activity

Hires occasionally

4 roles tracked across 2 of the last 12 months

2 Feb 2026 · Finance Operations Manager · Washington

8 Nov 2025 · Demand Generation Manager · Buffalo

Based on job postings tracked across public sources.

Coming soon