When was Tethis founded?

Tethis was founded in 2012 and raised its 1st funding round 1 year after it was founded.

Where is Tethis located?

Tethis is headquartered in Raleigh, United States.

How many employees does Tethis have?

As of Jul 31, 2026, the latest employee count at Tethis is 3.

Is Tethis a funded company?

Tethis is a funded company, having raised a total of $28.2M across 9 funding rounds to date. The company's 1st funding round was a $***** Seed round, raised on Feb 06, 2013.

When was the latest funding round of Tethis?

Tethis' latest funding was a $***** Series C round on Apr 07, 2018, with participation from 0 investor.

Where does Tethis rank among its competitors?

Tethis ranks 2nd amongst 11 active competitors, of which 6 are funded. It stands 1st in terms of total funding among its competitors. The most recent competitor to raise funding was Elea Lili, which secured $2.88M in Mar, 2026.

Who are the top competitors of Tethis?

Tethis' top competitors include Planet Smart, Biosolvit and TEST 1. Among them, Elea Lili secured the most recent funding round in March, 2026.

Tethis - 2026 Company Profile, Team, Funding & Competitors

Company Details

Manufacturer of plant-based absorbent materials. It develops and markets plant-based and biodegradable absorbent foams and powders using commodity feedstock, brine waste, and hazardous wastes. It also uses a process that converts simple carbohydrates like cornstarch into high-value products.

Website: tethis.com
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Key Metrics

Founded Year

2012

Location

Raleigh, United States

Stage

Series C

Total Funding

$28.2M in 9 rounds

Latest Funding Round

Series C, Apr 07, 2018, $*****

Investors

Acorn Innovestments & 3 more

Ranked

2^nd among 11 active competitors

Employee Count

3 as on Jul 31, 2026

Similar Companies

Planet Smart & 5 more

View Tethis' full profile

Tethis has raised a total funding of $28.2M over 9 rounds. Its first funding round was on Feb 06, 2013. Tethis has 4 institutional investors.

Here is the list of recent funding rounds of Tethis:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Apr 07, 2018	9983313	Series C	3989143	5039559	5942505	3421019
Feb 20, 2018	8258711	Series C	6048824	1624859	4821658	1393501
Feb 14, 2018	8729022	Series C	8062870	8257990	4882479	8451679

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View details of Tethis's funding rounds and investors

Tethis' employee count trend

Tethis has 3 employees as of Jul 26. Here is Tethis's employee count trend over the years:

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Top competitors of Tethis include Planet Smart, Biosolvit and TEST 1. Here is the list of Top 10 competitors of Tethis, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Planet Smart 2023, London (United Kingdom), Seed	Developer of bio-based, home compostable superabsorbent polymers for various applications	$1M	Vertical Venture Partners, General Inception ... & 3 others	48/100
2nd	Tethis 2012, Raleigh (United States), Series C	Manufacturer of plant-based absorbent materials	$28.2M	Hatteras Venture Partners, First Flight Venture Center ... & 2 others	34/100
3rd	Biosolvit 2014, Barra Mansa (Brazil), Funding Raised	Developer of new materials from renewable raw material sources	-	MBRIF, Bossa Invest & 1 others	33/100
4th	TEST 1 2014, Brescia (Italy), Funding Raised	Developer of oil-absorbent technologies for oil disaster management	-	MassChallenge, Net Zero Technology Centre ... & 1 others	31/100
5th	Elea Lili 2026, Finland, Seed	Deep-tech biomaterials company commercializing a new class of cellulose-based superabsorbent materials	$2.88M	Lifeline Ventures, Baltiska	30/100
6th	Disheng Technology Series B	Manufacturer of absorber materials	-	gao-ventures.com, October Capital	28/100
7th	Green Boom 2018, Duluth (United States), Series A	Provider of eco-friendly, biodegradable oil-only absorbents for effective clean-up of oil spills	$7.95M	-	28/100
8th	PolyGreen Group 2016, Tel Aviv (Israel), Funding Raised	Manufacturer of plastic products, polymers and absorbent materials	-	Europa	24/100
9th	Green Ocean 2014, Amsterdam (Netherlands), Deadpooled	Provider of oil spill prevention and oil sludge treatment solutions	-	Ruric, En+ Group & 1 others	24/100
10th	Reclaim Environmental Group 2003, Atlanta (United States), Unfunded	Crude oil and petroleum desulfurization solution provider	-	-	24/100