Supercritical

Supercritical is a carbon removal marketplace. It sources, co-develops and guarantees permanent carbon removal supply, tracking 600+ suppliers across eight removal methods, with biochar as its deepest focus.

Its customers are corporate buyers with net-zero targets, such as Microsoft, The Economist Group, Virgin Atlantic and Rothschild & Co. Projects can also engage it for committed demand and development, and the company describes access to 200+ corporate buyers. The website does not describe pricing terms beyond listed per-tonne starting prices.

The company was founded in 2021 by CEO Michelle You and CTO Aaron Randall, and is headquartered in London and described as remote-first. Its website says it has about 30 people, is a Series A company, and is hiring across operations, commercial, climate and marketing roles. Investors named include Lightspeed Venture Partners, MMC Ventures, GreenCode Ventures, RTP Global and LocalGlobe.

Product: Marketplace for permanent carbon dioxide removal credits with vetting, price and availability data, sourcing, and co-development of supply.