Alt Carbon

Active#33 worldwide · Carbon capture

Removes CO2 through enhanced rock weathering, spreading waste basalt dust from quarries on tea, rice and bamboo farms in India and measuring removal in its own labs for credit buyers.

Energy & climate›Carbon capture alt-carbon.com

HQIndia

Last roundSeed · May 2025

Uback rankings

How the AI ranks →

Ranking	Tier	Rank	Edition	Next update
Carbon capture · worldwide	Top 41	#33	Edition 0 (beta) · Oct 2026	20 Oct 2026

Rank historyOct 2026 · #33 Carbon captureFirst edition: no movements yet.

Estimated valuation

AI · Carbon capture ranking (worldwide)

≈ USD 62MUSD 50–77M · Tens of M$

Hundreds of k$

Millions $

Tens of M$

Hundreds of M$

Unicorn

Decacorn

Hectocorn

Anchor: Last known equity round: Seed · USD 12M · May 2025

An indicative editorial estimate produced by AI, imperfect by nature: neither a financial valuation nor investment advice. Only the market sets a company’s value. Method

Funding history

Date	Round	Amount	Type	Investors
May 2025	Seed	USD 12M	Equity	Lachy Groom

USD-denominated round.

Rounds as cited by Uback’s rankings. Equity, debt and grants are shown separately; only equity rounds count towards the valuation anchor.

Independent analyses

By industry professionals & analysts

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AI valuation: $62MUndervalued or overvalued?

Versus competitorsHow does it compare?

Who should acquire itStrategic buyers, and why

Who should it acquireAcquisition targets, and why

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What the AI reads

Read by the AI at the next edition.

Comparable companies in carbon capture

Full carbon capture ranking →

MCi Carbon#32AustraliaTens of M$Equatic#34United StatesTens of M$RepAir#31IsraelTens of M$Greenlyte Carbon Technologies#35GermanyTens of M$

Investors in Alt Carbon: Lachy Groom

Last updated: Oct 2026Report an error

Uback is a content publisher and an aggregator of non-binding expressions of interest. It provides no investment advice, receives no mandate and takes part in no transaction. Rankings, ranges and brackets are editorial estimates produced by AI, purely indicative.