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Carbonext

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Assists companies in the fields of climate change and GHG emissions offsetting

São Paulo, BrazilFounded 2010Energy
Valuation $100–250M Last recorded · 2022
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 Carbonext and the history behind them.

About Carbonext

Carbonext operates as a key developer of nature-based solutions to address climate change, primarily focusing on generating carbon credits through forest preservation projects in the Amazon. Founded in 2010 by Janaina Dallan, a forestry engineer with extensive experience in the European carbon market, the company has established itself as a significant player in Brazil's environmental services sector. Dallan's deep expertise in carbon projects, including her work with the UN, has been foundational to the company's trajectory.

In 2021, Luciano Corrêa da Fonseca, an economist with a background in private equity at Pátria Investimentos and brother of the founder, joined as co-CEO. His financial acumen facilitated two major investment rounds, significantly accelerating the company's growth and diversification. A pivotal milestone occurred in July 2022, when Carbonext secured a R$ 200 million (approximately USD 40 million) investment from Shell Brasil, which acquired a minority stake in the company. This funding was earmarked for expanding project development, investing in technology, and exploring new business areas like bioeconomy and reforestation.

The company's core business involves developing projects that reduce emissions from deforestation and forest degradation (REDD+), generating carbon credits that are then sold to corporate clients seeking to offset their greenhouse gas emissions. Carbonext manages the entire project lifecycle, from identifying land and negotiating with landowners to handling the complex certification process required to issue credits. Its client base includes major corporations such as Shell, Uber, TIM, and C6 Bank. Revenue is generated from the sale of these carbon credits and providing decarbonization strategy services.

Carbonext offers a suite of services for different client types. For companies, it provides GHG emissions inventories, develops customized decarbonization strategies using methodologies like the Science Based Targets initiative (SBTi), and offers carbon credits for offsetting residual emissions. For landowners in the Amazon, Carbonext forms partnerships to develop REDD+, Afforestation, Reforestation, and Revegetation (ARR), and Agricultural Land Management (ALM) projects, turning forest conservation into a new income stream. These projects also aim to deliver socioeconomic benefits to local communities. The company has also expanded its technological capabilities through a 40% acquisition of Mangue Tech, a platform that automates the carbon footprint calculation for businesses.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2010
Headquarters
São Paulo, Brazil
Employees
57
Open positions
None listed
Dealroom signal
59.5/100
Industry
Energy
Sub-industry
Clean Energy
Sector
Energy, Sustainable Development Goals, Carbon Tracking & Offset, Climate Tech, B Corp, Hard Tech
Client focus
b2b
Investment activity
1 company, latest Aug 2025
Capital deployed
$0
Preferred round
EARLY VC

Funding history

2 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
LATE VC✓Equity / VC Jul 2022 $40M $160M Shell ↗
SERIES AEquity / VC Sep 2021 $5.3M $21M Alexia Ventures · Norte Ventures · Canary ↗
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Growth signals

Carbonext website traffic

Latest recorded traffic for Carbonext is 2.7K monthly website visits, down 6.9% over the last three months. Carbonext's team declined 19.7% over the past year.

Latest monthly visits2.7K 3-month web change-6.9% 1-year team growth-19.7%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Investments and acquisitions

Capital deployed

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

Investors

5 investors on the cap table

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

Series A3 investors entered at this stage

  • Canary
  • Alexia Ventures
  • Norte Ventures

Series B and later1 investor entered at this stage

  • Shell

Other known investors1 additional known investor

  • Google for Startups Accelerator
Team profiled 7 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
🇧🇷 Brazil97.8%
🇬🇧 United Kingdom2.2%
2 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Carbonext 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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