Chestnut Carbon

Chestnut Carbon

Afforestation-based carbon offsets with monitored forests

Overview

Chestnut Carbon turns marginal land into biodiverse forests in the United States to act as carbon sinks. It partners with local foresters, nurseries, and communities to design and implement afforestation projects tailored to local conditions, then uses advanced technology to monitor forest growth and how much carbon is stored. The projects are verified by Gold Standard certification and FSC approval, ensuring transparency and high standards, and the resulting carbon removal credits are sold to help clients offset their footprint. Chestnut Carbon stands out by combining site-specific forest restoration with strict, third-party verification and data-driven tracking, plus clear co-benefits for wildlife, air and water quality, and local economies. Its goal is to restore more than 100,000 acres and remove 100 million tons of carbon from the atmosphere by 2030.

Significant Headcount Growth

About Chestnut Carbon

Simplify's Rating
Why Chestnut Carbon is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Data & Analytics

Consulting

Energy

Social Impact

Company Size

51-200

Company Stage

Series B

Total Funding

$660M

Headquarters

New York City, New York

Founded

2021

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Simplify's Take

What believers are saying

  • April 2026 planting doubled restored acreage to roughly 70,000 acres across the Southeast.
  • Chestnut planted 46.7 million trees by April 2026, proving industrial-scale execution.
  • August 2026 Sol Systems extension and Microsoft reporting show durable commercial validation.

What critics are saying

  • Carbon credit demand depends on Microsoft, Sol Systems, and a few buyers.
  • Nature-based credits face reversal and permanence scrutiny; one wildfire season can destroy years.
  • If voluntary carbon prices stay weak through 2026, Chestnut's acreage targets lose financing support.

What makes Chestnut Carbon unique

  • Chestnut built first U.S. nature-based carbon project finance with JPMorgan in July 2025.
  • Microsoft committed to over 7 million tons from Chestnut's Southern U.S. ARR project.
  • Chestnut became the first U.S. IFM project FSC-verified for biodiversity conservation in February 2026.

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Funding

Total Funding

$660M

Above

Industry Average

Funded Over

4 Rounds

Series B funding is typically for startups that have proven their business model and need more funding to expand rapidly—often by entering new markets or adding more products. Investors are usually venture capital firms that specialize in later-stage investments.
Series B Funding Comparison
Above Average

Industry standards

$35M
$45M
Linktree
$65M
Substack
$90M
Chestnut Carbon
$100M
ClickUp

Growth & Insights and Company News

Headcount

6 month growth

40%

1 year growth

40%

2 year growth

40%
BizClik
Nov 24th, 2025
ERM Secures $210m for Chestnut Carbon

ERM has helped secure $210 million in funding from JPMorgan for Chestnut Carbon's US afforestation project, marking a first-of-its-kind investment in a voluntary carbon credit program. ERM's technical advice and due diligence confirmed the project's environmental and commercial viability, aligning with Core Carbon Principles. This initiative could set a precedent for sustainable finance, potentially increasing capital flow into global reforestation efforts.

Gulf & Main Magazine
Sep 16th, 2025
Chestnut Carbon Raises $90M Series B

Chestnut Carbon has raised an additional $90 million for its Series B financing, bringing the total to $250 million in 2025. The funding, from CPP Investments, will support land purchases and technological innovation for U.S.-based afforestation projects. Chestnut also secured a $210 million non-recourse project finance credit facility for a carbon removal project. The investment highlights CPP Investments' commitment to high-quality carbon removal projects.

PR Newswire
Sep 16th, 2025
Chestnut Carbon Raises an Additional $90 Million for Series B

/PRNewswire/ -- Chestnut Carbon ("Chestnut"), a nature-based carbon removal developer, announced that it has raised $90 million in additional funds for its...

Energy Connects
Jul 22nd, 2025
JPMorgan Closes $210 Million Carbon Loan to Draw New

JPMorgan Chase & Co. has helped structure a first-of-its-kind lending facility for a developer of carbon credits that it hopes will lower the cost of capital

PR Newswire
Mar 27th, 2025
Chestnut Carbon Announces More Than 160K Acres Enrolled In Improved Forest Management (Ifm) Program

NEW YORK, March 27, 2025 /PRNewswire/ -- Chestnut Carbon ("Chestnut"), a nature-based carbon project developer, today announced that since its inception, it has enrolled over 160,000 acres in its Improved Forest Management (IFM) membership program branded as "Forest Carbon Works." The program is one of the largest in the U.S. providing private landowners access to income-generating carbon markets while preserving the integrity and legacy of their forest land. The program currently has members enrolled from 36 states.Chestnut distills the seemingly complex processes of the carbon markets into a simple IFM membership service, enabling private forest landowners to benefit from long-term conservation and sequestration of carbon in a cost-effective manner. Chestnut's IFM program rewards landowners with annual payments for increasing and maintaining net carbon stocks in their forests. Benefits include:Premium annual payments from carbon credit sales;Access to experts in carbon project management and forestry; andHarvest and forest management options.The Chestnut team handles every aspect of the project for landowners. Their carbon and forestry experts manage the data capture and submission of the forest inventory for their registered carbon project, including annual reporting and verification

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