When was CleanFiber founded?

CleanFiber was founded in 2013 and raised its 1st funding round 1 year after it was founded.

Where is CleanFiber located?

CleanFiber is headquartered in Buffalo, United States.

How many employees does CleanFiber have?

As of Jul 31, 2026, the latest employee count at CleanFiber is 56.

Is CleanFiber a funded company?

CleanFiber is a funded company, having raised a total of $144M across 25 funding rounds to date. The company's 1st funding round was a $***** Grant (prize money) round, raised on May 21, 2014.

When was the latest funding round of CleanFiber?

CleanFiber's latest funding was a $***** Series C round on Jun 22, 2026, with participation from 0 investor.

Where does CleanFiber rank among its competitors?

CleanFiber ranks 4th amongst 83 active competitors, of which 4 are funded. It stands 2nd in terms of total funding among its competitors. The most recent competitor to raise funding was CleanFiber, which secured $4.5M in Jun, 2026.

Who are the top competitors of CleanFiber?

CleanFiber's top competitors include Aspen Aerogel, Tecnoglass and Svenska Aerogel. Among them, CleanFiber secured the most recent funding round in June, 2026.

CleanFiber - 2026 Company Profile, Team, Funding & Competitors

CleanFiber is a series C company based in Buffalo (United States), founded in 2013. It operates as a Provider of cellulose insulation solutions for facilities. CleanFiber has raised $144M in funding from investors like AXA Investment Managers, SustainVC and Clean Energy Venture Group. The company has 83 active competitors, including 4 funded and 4 that have exited. Its top competitors include companies like Aspen Aerogel, Tecnoglass and Svenska Aerogel.

Company Details

Provider of cellulose insulation solutions for facilities. It is provided in the form of recycled cardboard. Its features include a proprietary wet separation and infusion process that floats off contaminants, abundant raw material for the production of insulating material, and an all-borate formulation used to make it fire-safe insulation.

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

Key Metrics

Founded Year

2013

Location

Buffalo, United States

Stage

Series C

Total Funding

$144M in 25 rounds

Latest Funding Round

Series C, Jun 22, 2026, $*****

Investors

AXA Investment Managers & 34 more

Ranked

4^th among 83 active competitors

Employee Count

56 as on Jul 31, 2026

Similar Companies

Vides Tehnika & 5 more

View CleanFiber's full profile

CleanFiber has raised a total funding of $144M over 25 rounds. Its first funding round was on May 21, 2014. CleanFiber has 35 institutional investors.

Here is the list of recent funding rounds of CleanFiber:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jun 22, 2026	7076737	Series C	2362411	6999790	8512221	3866978
Sep 19, 2025	9644319	Series C	7442466	5655965	6153547	5763148
Sep 17, 2025	2741925	Series C	7097660	7129959	1808446	7838453

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View details of CleanFiber's funding rounds and investors

CleanFiber's employee count trend

CleanFiber has 56 employees as of Jul 26. Here is CleanFiber's employee count trend over the years:

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Top competitors of CleanFiber include Aspen Aerogel, Tecnoglass and Svenska Aerogel. Here is the list of Top 10 competitors of CleanFiber, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Aspen Aerogel 2001, Northborough (United States), Public	Provider of thermal insulation solutions	$198M	Tenaya Capital, BASF & 15 others	62/100
2nd	Tecnoglass 1994, Barranquilla (Colombia), Public	Manufacturer of insulating, laminated, monolithic, low-E, and curved glass	-	-	57/100
3rd	Svenska Aerogel 2000, Gavle (Sweden), Public	Manufacturer of aerogel material, Quartzene, for thermal insulation and fire resistance	$2.29M	European Innovation Council, Swedish Energy Agency ... & 6 others	50/100
4th	CleanFiber 2013, Buffalo (United States), Series C	Provider of cellulose insulation solutions for facilities	$144M	Clean Energy Ventures, Clean Energy Venture Group ... & 33 others	46/100
5th	KROSSLINKER 2019, Singapore (Singapore), Seed	Manufacturer of insulation materials	$1.3M	SEEDS Capital, 500 Durians & 7 others	42/100
6th	Vides Tehnika 2008, Riga (Latvia), Unfunded	Provider of heat supply and thermal insulation products	-	-	36/100
7th	JIOS Aerogel 2013, Osan si (South Korea), Seed	Provider of lithium-ion battery systems for commercial purposes	-	Megachem	35/100
8th	Enersens 2010, Rochetoirin (France), Funding Raised	Developer of silica aerogel material	-	EIC Fund, Europa	30/100
9th	INDRESMAT 2017, L'Hospitalet de Llobregat (Spain), Funding Raised	Developer of bio-based polyurethane solutions for energy-efficient building thermal insulation	-	EIC Fund, Europa	29/100
10th	Loyal Group 1973, Ningbo (China), Unfunded	Provider of energy-efficient building materials	-	-	29/100