When was Fourier founded?

Fourier was founded in 2022 and raised its 1st funding round 2 years after it was founded.

Where is Fourier located?

Fourier is headquartered in Palo Alto, United States.

Who is the current CEO of Fourier?

Siva Yellamraju of Fourier. They have also founded 1 company and are an angel investors in 1 startup.

How many employees does Fourier have?

As of Jul 31, 2026, the latest employee count at Fourier is 55.

Is Fourier a funded company?

Fourier is a funded company, having raised a total of $***** in its 1st and only funding round, a Series A round on 2024.

When was the latest funding round of Fourier?

Fourier's latest funding was a $***** Series A round on 2024, with participation from 7 investors.

Where does Fourier rank among its competitors?

Fourier ranks 4th amongst 165 active competitors, of which 34 are funded. It stands 9th in terms of total funding among its competitors. The most recent competitor to raise funding was H2SITE, which secured an undisclosed amount in Jun, 2026.

Who are the top competitors of Fourier?

Fourier's top competitors include Lhyfe, Nel Hydrogen and EvolOH. Among them, H2SITE secured the most recent funding round in June, 2026.

Fourier - 2026 Company Profile, Team, Funding & Competitors

Most viewed in 2019

Fourier is a series A company based in Palo Alto (United States), founded in 2022 by Siva Yellamraju and Ali Amir Aldan. It operates as a Provider of renewable energy equipment manufacturing and other services. Fourier has raised $18.5M in funding from General Catalyst and Paramark Ventures. The company has 165 active competitors, including 34 funded and 10 that have exited. Its top competitors include companies like Lhyfe, Nel Hydrogen and EvolOH.

Key Metrics

Founded Year

2022

Location

Palo Alto, United States

Stage

Series A

Total Funding

$18.5M in 1 round

Latest Funding Round

Series A, 2024, $*****

Investors

General Catalyst & 6 more

Ranked

4^th among 165 active competitors

Employee Count

55 as on Jul 31, 2026

Similar Companies

Lhyfe & 175 more

View Fourier's full profile

Fourier is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
FOURIER EARTH, INC. CIN: 863912772 , United States, Active	Apr 15, 2022	-	11 (As on Dec 31, 2024)	-

Fourier has raised a total funding of $18.5M over 1 round. Its latest funding round was a Series A round on 2024 for $*****. 7 investors participated in its latest round. Fourier has 7 institutional investors.

Here is the list of recent funding rounds of Fourier:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
2024	6271	Series A	6435	4187	8165	9597

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View details of Fourier's funding rounds and investors

The founders of Fourier are Siva Yellamraju and Ali Amir Aldan. Siva Yellamraju is the CEO of Fourier.

Here are the details of Fourier's key team members:

Siva Yellamraju: Co-Founder & CEO of Fourier and founder of 1 other company. They are also an angel investor in 1 startup.
Contact Info: 1 email address
Ali Amir Aldan: Co-Founder of Fourier.
Contact Info: 1 email address

View details of Fourier's Founder profiles and Board Members

Fourier's employee count trend

Fourier has 55 employees as of Jul 26. Here is Fourier's employee count trend over the years:

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Top competitors of Fourier include Lhyfe, Nel Hydrogen and EvolOH. Here is the list of Top 10 competitors of Fourier, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Lhyfe 2017, Nantes (France), Public	Manufacturer of renewable hydrogen produced through water electrolysis and electricity	$96.9M	Andera Partners, Noria & 12 others	71/100
2nd	Nel Hydrogen 1927, Oslo (Norway), Acquired	Manufacturer of electrolyser technology for renewable hydrogen production and related services	-	Defense.gov, Vermögensclub & 4 others	69/100
3rd	EvolOH 2020, Santa Clara (United States), Series A	Manufacturer of electrolyzer stacks for clean hydrogen production	$20.2M	Engine Ventures, URBAN-X & 7 others	61/100
4th	Fourier 2022, Palo Alto (United States), Series A	Provider of renewable energy equipment manufacturing and other services	$18.5M	Airbus Ventures, General Catalyst & 5 others	60/100
5th	Everfuel 2019, Herning (Denmark), Public	Provider of green hydrogen for industrial and mobility applications	$38.7M	Saga Tankers, Luxor Capital Group & 5 others	60/100
6th	H2SITE 2019, Biscay (Spain), Series B	Developer of membrane reactor technology for hydrogen separation and purification	$50.3M	Breakthrough Energy, ENGIE New Ventures & 13 others	58/100
7th	Protium 2019, London (United Kingdom), Series B	Provider of green hydrogen production, distribution, and technical services	$88.7M	SWEN Capital Partners, Barclays & 41 others	58/100
8th	Hysata 2021, Wollongong (Australia), Series B	Manufacturer of electrolysers designed for the production of green hydrogen	$146M	BP Ventures, IP Group & 17 others	58/100
9th	BayoTech 2015, Houston (United States), Series C	Provider of solutions for hydrogen production, transport and storage	$175M	Cottonwood Technology Fund, Newlight Partners ... & 5 others	57/100
10th	Stiesdal 2016, Odense (Denmark), Series C	Developer of offshore foundations, green hydrogen plants, and carbon capture systems	$121M	Andel, PensionDanmark & 5 others	57/100