When was South 8 founded?

South 8 was founded in 2013 and raised its 1st funding round 5 years after it was founded.

Where is South 8 located?

South 8 is headquartered in San Diego, United States.

Which legal entities is South 8 associated with?

South 8 is associated with CLARILA TECHNOLOGIES PRIVATE LIMITED and 2 others.

How many employees does South 8 have?

As of Aug 31, 2026, the latest employee count at South 8 is 46.

Is South 8 a funded company?

South 8 is a funded company, having raised a total of $23M across 8 funding rounds to date. The company's 1st funding round was a $***** Grant (prize money) round, raised on Sep 01, 2018.

When was the latest funding round of South 8?

South 8's latest funding was a $***** Grant (prize money) round on Apr 04, 2026, with participation from 0 investor. Its primary sector is Energy Storage Tech. In United States, the Energy Storage Tech sector has seen $5.07B in funding in 2026 to date.

Where does South 8 rank among its competitors?

South 8 ranks 1st amongst 42 active competitors, of which 17 are funded. It stands 2nd in terms of total funding among its competitors. The most recent competitor to raise funding was South 8, which secured an undisclosed amount in Apr, 2026.

Who are the top competitors of South 8?

South 8's top competitors include GFCL EV, Safire Technology Group and Elementium. Among them, South 8 secured the most recent funding round in April, 2026.

South 8 - 2026 Company Profile, Team, Funding & Competitors

South 8 is a series B company based in San Diego (United States), founded in 2013 by Cyrus Rustomji. It operates as a Liquefied gas electrolyte for lithium ion batteries. South 8 has raised $23M in funding from investors like Lockheed Martin, W. L. Gore & Associates and Shell. The company has 42 active competitors, including 17 funded and 5 that have exited. Its top competitors include companies like GFCL EV, Safire Technology Group and Elementium.

Company Details

Liquefied gas electrolyte for lithium ion batteries. It provides LiGas technology solution which is a proprietary blend of non toxic and non corrosive gasses. Its features include reduced fire risk, fast charge, low temperature performance, and manufacturability.

Website: south8.com
Phone Number: +1 **********

Key Metrics

Founded Year

2013

Location

San Diego, United States

Stage

Series B

Total Funding

$23M in 8 rounds

Latest Funding Round

Grant (prize money), Apr 04, 2026, $*****

Investors

Lockheed Martin & 18 more

Ranked

1^st among 42 active competitors

Employee Count

46 as on Aug 31, 2026

Similar Companies

GFCL EV & 36 more

View South 8's full profile

South 8 is associated with 3 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Stacks Open Internet Foundation, Inc. CIN: 850825452 , United States, Active	Dec 31, 2012	-	10 (As on Dec 31, 2024)	-
South 8 Technologies Inc CIN: 47-2941175 , United States, Active	Dec 31, 2014	-	21 (As on Dec 31, 2022)	-
CLARILA TECHNOLOGIES PRIVATE LIMITED CIN: U74110KA2020PTC134456 , India, Active	May 31, 2020	0 - ₹10 Cr (As on Mar 31, 2025)	-

South 8 has raised a total funding of $23M over 8 rounds. Its first funding round was on Sep 01, 2018. South 8 has 18 institutional investors and 1 angel investor.

Here is the list of recent funding rounds of South 8:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Apr 04, 2026	9513680	Grant (prize money)	3986873	9480971	7350300	2573158
Dec 09, 2025	5789410	Series B	5430219	4792021	6039713	Anzu Partners & 5 more
May 21, 2024	4341678	Series A	8673249	1504382	Porsche Ventures	9701750

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View details of South 8's funding rounds and investors

The founders of South 8 is Cyrus Rustomji. Tom Stepien is the CEO of South 8.

Here are the details of South 8's key team members:

Cyrus Rustomji: Co-Founder of South 8.
Contact Info: 1 email address
Tom Stepien: CEO of South 8.
Contact Info: 1 email address

View details of South 8's Founder profiles and Board Members

South 8's employee count trend

South 8 has 46 employees as of Aug 26. Here is South 8's employee count trend over the years:

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Top competitors of South 8 include GFCL EV, Safire Technology Group and Elementium. Here is the list of Top 10 competitors of South 8, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	South 8 2013, San Diego (United States), Series B	Liquefied gas electrolyte for lithium ion batteries	$23M	Shell, LG Technology Ventures & 17 others	62/100
2nd	GFCL EV 2021, Noida (India), Series D	Provider of intermediate chemicals for lithium and sodium-ion battery applications	$119M	-	54/100
3rd	Safire Technology Group 2020, Mclean (United States), Seed	Developer of hybrid-state liquid-to-solid shear thickening battery safety technology	$13.7M	Canaan, MaC Venture Capital & 7 others	53/100
4th	Elementium 2024, Somerville (United States), Seed	Provider of battery components	$3M	-	52/100
5th	Adden Energy 2021, Waltham (United States), Series A	Provider of solutions for solid state batteries	$20.2M	Primavera, At One Ventures & 4 others	47/100
6th	Enchem 2012, Jecheon si (South Korea), Public	Developer of electrolytes	-	E&Investment, GNTech Venture Capital & 5 others	46/100
7th	Feon Energy 2022, Woburn (United States), Seed	Provider of lithium battery technology solution	$14.2M	Fine Structure Ventures, MassVentures & 4 others	45/100
8th	Silatronix 2007, Madison (United States), Acquired	Developer of nanostructured electorde	$14.9M	Foley Ventures, Hitachi Chemical & 8 others	44/100
9th	Qkera 2023, Munich (Germany), Seed	Developer of solid state electrolyte	-	InnoEnergy, UnternehmerTUM & 3 others	44/100
10th	Ampcera 2017, Milpitas (United States), Series A	Developer of solid electrolyte materials	$15M	Hanwhasolutions, Plug and Play Tech Center ... & 2 others	41/100