How much funding has Queens Carbon raised?

Queens Carbon has raised $44.5M in total funding, most recently a Seed round.

Who are Queens Carbon's investors?

Queens Carbon's investors include Plug and Play, Clean Ventures, ARPA-E.

When was Queens Carbon founded?

Queens Carbon was founded in 2022.

Where is Queens Carbon headquartered?

Queens Carbon is headquartered in San Francisco, California, United States.

What industry is Queens Carbon in?

Queens Carbon operates in Energy, Clean Tech, Sustainability.

How many employees does Queens Carbon have?

Queens Carbon has 1-10 employees.

Queens Carbon

Decarbonizing Cement with Zero Green Premium

San Francisco, United States · Founded 2022 · $44.5M raised

Energy

Clean Tech

Sustainability

Headquarters: San Francisco, California
Employees: 1–10
Founded: 2022
Business Model: B2B

Website: queenscarbon.com
Total Funding: $44.5M
Last Round: $10.0M SeedApr 2025
Rounds: 3

About

Queens Carbon develops the Q-System platform to produce carbon-neutral cementitious materials using a patented low-temperature hydrothermal process. Its Q-SCM supplementary cementitious material can replace up to 50% of traditional cement in concrete mixes, cutting industrial CO2 emissions without a green cost premium. The company was founded by Rutgers University researchers and is based in Cedar Grove, New Jersey.

Summary

Queens Carbon is an Energy company based in San Francisco, United States, founded in 2022. It has raised $44.5M in total across 3 rounds, most recently a $10.0M Seed round in Apr 2025. Investors include Plug and Play, Clean Ventures and ARPA-E.