When was Ambri founded?

Ambri was founded in 2010 and raised its 1st funding round 1 year after it was founded.

Where is Ambri located?

Ambri is headquartered in Marlborough, United States. It is registered at Marlborough, Massachusetts.

How many employees does Ambri have?

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

Is Ambri a funded company?

Ambri is a funded company, having raised a total of $222M across 6 funding rounds to date. The company's 1st funding round was a $***** Series A round, raised on May 2011.

When was the latest funding round of Ambri?

Ambri's latest funding was a $***** Series D round on Aug 01, 2024, with participation from 0 investor.

Where does Ambri rank among its competitors?

Ambri ranks 24th amongst 222 active competitors, of which 57 are funded. It stands 4th in terms of total funding among its competitors. The most recent competitor to raise funding was Renewable Iron Fuel Technology, which secured $96.6M in Mar, 2026.

Who are the top competitors of Ambri?

Ambri's top competitors include Northvolt, Form Energy and Amperehour Solar Technology. Among them, Renewable Iron Fuel Technology secured the most recent funding round in March, 2026.

Ambri - 2026 Company Profile, Team, Funding & Competitors

Company Details

Manufacturer of liquid metal battery systems for grid energy storage. These systems provide energy shifting and capacity firming for electrical grids. The technology utilizes electrode materials that allow for daily cycling and long operational life. The battery design is modular and recyclable, intended to support the integration of renewable energy sources into power infrastructure. The systems function without the need for cooling or fire suppression equipment.

Website: ambri.com
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Registered Address: Marlborough, Massachusetts

Key Metrics

Founded Year

2010

Location

Marlborough, United States

Stage

Series D

Total Funding

$222M in 6 rounds

Latest Funding Round

Series D, Aug 01, 2024, $*****

Investors

Paulson & Co & 10 more

Ranked

24^th among 222 active competitors

Employee Count

56 as on Jul 31, 2026

Similar Companies

Skip Technology & 5 more

View Ambri's full profile

Ambri is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Ambri Inc CIN: 273220023 , United States, Active		-	70 (As on Dec 31, 2023)	-

Ambri has raised a total funding of $222M over 6 rounds. Its first funding round was on May 2011. Ambri has 10 institutional investors and 1 angel investor.

Here is the list of recent funding rounds of Ambri:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Aug 01, 2024	9198043	Series D	1269174	7512618	5602264	9667012
Aug 09, 2021	9876655	Series D	9406789	5785804	8544518	Bill Gates & 2 more
Dec 28, 2018	7441790	Series C	1076824	8614600	1043916	3929903

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View details of Ambri's funding rounds and investors

The founders of Ambri are Donald Sadoway and Luis Ortiz.

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

Donald Sadoway: Former Co-Founder & CSO of Ambri.
Luis Ortiz: Co-Founder of Ambri.

View details of Ambri's Founder profiles and Board Members

Ambri's employee count trend

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

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Top competitors of Ambri include Northvolt, Form Energy and Amperehour Solar Technology. Here is the list of Top 10 competitors of Ambri, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Northvolt Sweden, Acquired	Manufacturer of lithium-ion batteries for electric vehicles	$9B	Goldman Sachs, Volkswagen & 51 others	75/100
2nd	Form Energy 2017, Somerville (United States), Series F	Clean energy technology platform developing long-duration iron-air battery systems	$1.22B	ArcelorMittal, GIC & 37 others	71/100
3rd	Amperehour Solar Technology 2017, Pune (India), Series A	Provider of energy storage systems and energy management platform solutions	$7.45M	VHGB, Wellfound & 23 others	68/100
4th	VFlow Tech 2018, Singapore (Singapore), Series A	Manufacturer of vanadium redox flow batteries for energy storage systems	$33.5M	PSA International, Granite Asia & 34 others	65/100
5th	Hydrostor 2010, Toronto (Canada), Series D	Developer of advanced compressed air energy storage for grid applications	$565M	Lorem Partners, Canoe Financial & 16 others	64/100
6th	PowerX 2021, Minato (Japan), Public	Manufacturer of stationary battery storage systems and related energy services	$112M	Nippon Gases, Sompo & 37 others	64/100
7th	Noon 2018, Palo Alto (United States), Series A	Provider of solutions for flow batteries	$31M	Clean Energy Ventures, Aramco Ventures & 14 others	64/100
8th	Verlume 2013, Inverurie (United Kingdom), Series A	Manufacturer of subsea battery systems and intelligent energy management technology	$12.3M	Par Equity, The Scottish National Investment Bank ... & 37 others	62/100
9th	Renewable Iron Fuel Technology 2020, Eindhoven (Netherlands), Series B	Developer of iron fuel technology for industrial heat decarbonization	$111M	PGGM, Rubio impact Ventures & 6 others	61/100
10th	KORE Power 2018, Idaho Falls (United States), Acquired	Developer of battery cells, energy storage systems, and e-mobility solutions	$75.1M	Siemens, ADS Ventures & 6 others	61/100
24th	Ambri 2010, Marlborough (United States), Series D	Manufacturer of liquid metal battery systems for grid energy storage	$222M	Paulson & Co, Khosla Ventures & 9 others	52/100