When was Proton Green founded?

Proton Green was founded in 2021 and raised its 1st funding round 2 years after it was founded.

Where is Proton Green located?

Proton Green is headquartered in Houston, United States.

How many employees does Proton Green have?

As of Apr 30, 2026, the latest employee count at Proton Green is 9.

Is Proton Green a funded company?

Proton Green is a funded company, having raised a total of $***** in its 1st and only funding round, a Grant (prize money) round on Aug 16, 2023.

When was the latest funding round of Proton Green?

Proton Green's latest funding was a $***** Grant (prize money) round on Aug 16, 2023, with participation from 1 investor. Its primary sector is Air Management Services. In United States, the Air Management Services sector has seen $10.9B in funding in 2026 to date.

Where does Proton Green rank among its competitors?

Proton Green ranks 336th amongst 1042 active competitors, of which 72 are funded. It stands 11th in terms of total funding among its competitors. The most recent competitor to raise funding was Syroco, which secured $7.85M in Dec, 2024.

Who are the top competitors of Proton Green?

Proton Green's top competitors include Picarro App, Trane Technologies and Tallgrass. Among them, Syroco secured the most recent funding round in December, 2024.

Proton Green - 2026 Company Profile, Team, Funding & Competitors

Proton Green is a funded company based in Houston (United States), founded in 2021. It operates as a Provider of carbon capture utilization and storage services. Proton Green has raised an undisclosed amount in funding. The company has 1042 active competitors, including 72 funded and 180 that have exited. Its top competitors include companies like Picarro App, Trane Technologies and Tallgrass.

Company Details

Website: www.protongreen.com/
Phone Number: +1 **********

Key Metrics

Founded Year

2021

Location

Houston, United States

Stage

Funding Raised

Latest Funding Round

Grant (prize money), Aug 16, 2023, $*****

Investors

DOE

Ranked

336^th among 1042 active competitors

Employee Count

9 as on Apr 30, 2026

Similar Companies

Trane Technologies & 587 more

View Proton Green's full profile

Proton Green has raised funding over 1 round. Its latest funding round was a Grant (prize money) round on Aug 16, 2023 for $*****. 1 investor participated in its latest round. Proton Green has 1 institutional investor.

Here is the list of recent funding rounds of Proton Green:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Aug 16, 2023	7655731	Grant (prize money)	8163709	1479916	9343947	1564696

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View details of Proton Green's funding rounds and investors

Proton Green's employee count trend

Proton Green has 9 employees as of Apr 26. Here is Proton Green's employee count trend over the years:

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Top competitors of Proton Green include Picarro App, Trane Technologies and Tallgrass. Here is the list of Top 10 competitors of Proton Green, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Picarro App 1997, Santa Clara (United States), Series D	Provider of gas concentration and isotope analyzers using cavity ring-down spectroscopy	$56.5M	Focus Ventures, Corner Ventures & 8 others	70/100
2nd	Trane Technologies 1871, Swords (Ireland), Public	Manufacturer of climate control and refrigeration systems	-	-	65/100
3rd	Tallgrass 2012, Lakewood (United States), Acquired	Provider of safe and reliable energy infrastructure solutions	-	Magnetar, Triangle Peak Partners & 5 others	56/100
4th	CECO 1966, Dallas (United States), Public	Provider solutions that protect people, the environment, and industrial equipment	-	American Century Investments	55/100
5th	Acoem 1996, Limonest (France), Funding Raised	Provider of environmental and industrial monitoring solutions for various applications	-	EVOLEM, IDIA Capital Investissement & 1 others	55/100
6th	Syroco 2018, Marseille (France), Series A	Provider of AI-driven maritime voyage optimization software. This software optimizes energy efficiency, fuel consumption, and carbon emissions for ships using multi-objective weather routing and real-time voyage optimization. A digital twin of the ship is used to compute the most efficient route, providing real-time information to the crew via a user-friendly interface and measuring fuel savings. The platform reduces operational costs and helps meet sustainability goals. It uses advanced mathematical models and machine learning to predict ship performance and refine route and speed profiles.	$12.7M	Alter Equity, Seventure Partners & 5 others	54/100
7th	South Pole 2006, Zurich (Switzerland), Seed	Provider of carbon offset solutions	-	Salesforce Ventures, Temasek & 5 others	54/100
8th	Fuel Tech 1987, Warrenville (United States), Public	Developer of air pollution control technologies	-	-	52/100
9th	Alliance 2000, Decatur (United States), Acquired	Provider of environmental compliance, air monitoring, and consulting services	-	-	51/100
10th	Valley Air 1990, United States, Funding Raised	Provider of air management services	-	U.S. Environmental Protection Agency, United States Department of Agriculture ... Read more	51/100
336th	Proton Green 2021, Houston (United States), Funding Raised	Provider of carbon capture utilization and storage services	-	DOE	21/100