About Alt Carbon
Alt Carbon is a company based in Kolkata (India) founded in 2023 by Sparsh Agarwal and Shrey Agarwal. Alt Carbon has raised $12.55 million across 2 funding rounds from investors including Angel List, ACT Grants and PointOne Capital. The company has 1 employees as of October 14, 2024. Alt Carbon offers products and services including Hari Mati. Alt Carbon operates in a competitive market with competitors including Terradot, Eion, InPlanet, Everest Carbon and Cascade Climate, among others.
- Headquarter Kolkata, India
- Employees 1 as on 14 Oct, 2024
- Founders Sparsh Agarwal, Shrey Agarwal
- Stage Minicorn
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Sectors
Environment
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Email
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Phone
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Website
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Social
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- Legal Name Alt Carbon Tech Pvt. Ltd
- Jurisdiction Kolkata, West Bengal, India
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Annual Revenue
$0.07 (USD)0as on Mar 31, 2024
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Net Profit
-$29.09 K (USD)0as on Mar 31, 2024
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EBITDA
-$29.09 K (USD)0as on Mar 31, 2024
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Total Equity Funding
$12.55 M (USD)
in 2 rounds
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Latest Funding Round
$12 M (USD), Seed
May 21, 2025
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Investors
Angel List
& 13 more
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Employee Count
1
as on Oct 14, 2024
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Products & Services of Alt Carbon
Alt Carbon offers a comprehensive portfolio of products and services, including Hari Mati.
Proprietary mix for accelerating CO2 mineralization and improving yields
Funding Insights of Alt Carbon
Alt Carbon has successfully raised a total of $12.55M across 2 strategic funding rounds. The most recent funding activity was a Seed round of $12 million completed in May 2025. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
Investors in Alt Carbon
Alt Carbon has secured backing from 14 investors, including venture fund, institutional, and angel investors. Prominent investors backing the company include Angel List, ACT Grants and PointOne Capital.
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Venture capital investments are provided to early-stage startups across sectors.
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Venture capital fund investing in pre-seed tech startups with support services.
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Seed capital grants are provided to incubate and accelerate innovations.
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Investor details for Alt Carbon
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Investments & Acquisitions by Alt Carbon
Investment portfolio details for Alt Carbon
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Financial Statements - Alt Carbon
Detailed financials for Alt Carbon
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Alt Carbon Comparisons
Peer comparison for Alt Carbon
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Competitors of Alt Carbon
Alt Carbon operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Terradot, Eion, InPlanet, Everest Carbon and Cascade Climate, among others.
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Carbon removal is facilitated via enhanced rock weathering technology.
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Enhanced rock weathering is used for agricultural carbon removal.
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Carbon removal projects are developed by InPlanet for climate mitigation.
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Carbon removal solutions are developed via enhanced weathering measurements.
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Nonprofit advancing climate interventions through research, policy, and cross-sector collaboration.
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Detailed competitors of Alt Carbon
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Latest news on Alt Carbon
Complete news archive for Alt Carbon
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Frequently Asked Questions about Alt Carbon
Alt Carbon was founded in 2023.
Alt Carbon is headquartered in Kolkata, India. It is registered at Kolkata, West Bengal, India.
Shrey Agarwal is the current CEO of Alt Carbon. They have also founded this company.
Alt Carbon is a funded company, having raised a total of $12.55M across 2 funding rounds to date.
As of Oct 14, 2024, the latest employee count at Alt Carbon is 1.
Annual revenue of Alt Carbon is $0.07 as on Mar 31, 2024.
Founded in 2023 and based in Kolkata, India, enhanced rock weathering solutions for carbon dioxide removal are offered by the company. Natural CO2 mineralization is accelerated through the application of a proprietary blend of organic inputs and silicate-rich amendments to agricultural land. Soil enhancement and increased agricultural yields are achieved alongside permanent CO2 sequestration. Operations are focused on regions with high weathering rates to optimize carbon removal.
Alt Carbon's top competitors include Terradot, Eion and Everest Carbon.
Alt Carbon offers Hari Mati.
Alt Carbon has 14 investors. Key investors include Angel List, ACT Grants, PointOne Capital, Shastra VC, and Utsav Somani.
The valuation of Alt Carbon is $3.22M as of Dec 2023.