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Alt Carbon

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Natural carbon storage solution accelerating silicate rock weathering to combat climate change and support local communities

Bengaluru, IndiaFounded 2023Food
Valuation $25–50M Last recorded · 2025
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Alt Carbon and the history behind them.

About Alt Carbon

AltCarbon is a forward-thinking startup focused on combating climate change through innovative carbon capture solutions. The company operates in the environmental sustainability market, specifically targeting carbon credits and sustainable agriculture. AltCarbon's primary clients are farmers who are looking to make their land more productive while also contributing to carbon removal efforts.

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The business model of AltCarbon revolves around a technology called enhanced rock weathering. This process uses silicate minerals to permanently remove carbon dioxide from the atmosphere. By optimizing this technology, AltCarbon not only helps in capturing carbon but also improves crop yields, making the land more productive. This dual benefit is a significant selling point for farmers who partner with the company.

AltCarbon generates revenue through the sale of carbon credits. Carbon credits are permits that allow the holder to emit a certain amount of carbon dioxide. By capturing carbon through their enhanced rock weathering process, AltCarbon creates these credits, which can then be sold to companies looking to offset their carbon emissions. This provides an additional financial incentive for farmers to work with AltCarbon, as they can earn revenue from the carbon credits generated on their land.

The company also places a strong emphasis on empirical results and scientific guidance. Their operations are backed by a team of scientists and academic advisors, ensuring that their methods are both effective and sustainable. AltCarbon's mission is to develop the most accurate prediction and measurement software for captured carbon, further enhancing the credibility and value of their carbon credits.

In summary, AltCarbon is a startup that leverages advanced technology to capture carbon dioxide, improve agricultural productivity, and generate revenue through carbon credits. Their focus on sustainability, scientific validation, and financial incentives makes them a compelling partner for farmers and a significant player in the fight against climate change.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2023
Headquarters
Bengaluru, India
Employees
50
Open positions
None listed
Dealroom signal
84.3/100
Industry
Food
Sub-industry
AgriTech
Sector
Food, Sustainable Development Goals, Climate Tech, NBS, Carbon Removal, Enhanced Rock Weathering
Technology
Hardware
Business model
Manufacturing
Client focus
b2b

Funding history

2 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SEED✓Equity / VC May 2025 $12M $48M Amrendra Singh · Advaith Vishwanath · Tanmay Bhat · Nakuul Mehta ↗
SEED✓Equity / VC Dec 2023 $550K $2.2M Shastra VC ↗
Showing the latest 2 of 2 recorded eventsBook a demo for the full funding history →

Growth signals

Alt Carbon website traffic

Latest recorded traffic for Alt Carbon is 28K monthly website visits, up 225.6% over the last three months. Alt Carbon's team grew 2% over the past year.

Latest monthly visits28K 3-month web change+225.6% 1-year team growth+2%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

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Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

10 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed10 investors entered at this stage

  • Shastra VC
  • Lachy Groom
  • Amrendra Singh
  • Advaith Vishwanath
  • Tanmay Bhat
  • Nakuul Mehta
  • Arjun Ramani
  • Jason Zhao
  • Rahul Seth
  • Arjun Soin
Team profiled 8 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
2 countries with
team presence
🇮🇳 India97.7%
🇬🇧 United Kingdom2.3%
2 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Alt Carbon on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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