Ebb Carbon

Water Resources
$43.8Mtotal raised · 4 rounds on record
$20Mlatest round · Series A · Apr 2023 · 3 yr ago
3backers · Congruent Ventures, Elemental Impact
50+team · employees, estimated range

Overview

Ebb Carbon transforms desalination brine into freshwater, permanent carbon removal, and industrial products. Turning waste into value for water security and climate.

Key facts

These are the key facts about Ebb Carbon on Alion as of Nov 13, 2026. Ebb Carbon is headquartered in San Carlos, United States. It was founded in 2021. It has raised $43.8M in 4 funding rounds. The latest round is Series A of $20M, announced in 2023.

Headquarters
San Carlos, United StatesAlion company profile, updated Oct 11, 2026
Founded
2021Alion company profile, updated Oct 11, 2026
Employees
50+Alion company profile, an estimated range
Total raised
$43.8MSum of 4 equity rounds Alion knows
Latest round
Series A · $20M · Apr 18, 2023Press report · businesswire.com
Official records

Funding and backers

Total raised
$43.8M
4 rounds on record
Latest round
$20M
Series A · Apr 2023 · 3 yr ago
Team
51-200
employees, estimated range
Backers
3
Congruent Ventures, Elemental Impact
The money's age
Long since its last round
42 months since the last round · not hiring
Momentum
0/100
no fresh signals
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Apr 18, 2023 Raised a round Series A $20M Oct 14, 2022 Raised a round Venture round $10.8M · SEC Form D Nov 19, 2021 Raised a round Venture round $3M · SEC Form D 2021 Founded
Tractionpublic signals, read monthly
Web presence
top 0.03%
of 133.2M domains by links, Common Crawl
Funding rounds
RoundDateAmountInvestorsSource
Series A Apr 2023 $20M — businesswire.com
Venture round Mar 2023 $10M — SEC Form D
Venture round Oct 2022 $10.8M — SEC Form D
Venture round Nov 2021 $3M — SEC Form D
Registers and programsofficial lists and records that name the company
Legal entity Ebb Carbon, Inc. SEC Form D
Founders and leadersfrom filings, registers and the company's site
Matthew EisamanExecutive Officer, DirectorSEC Form D
Ben TarbellExecutive Officer, DirectorSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
Congruent Ventures fund Elemental Impact fund Evok Innovations fund
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Visa sponsorship

United StatesUS 0
0
H-1B filings in 12 months
0
Open roles in United States
In the register as EBB CARBON, INC, South San Francisco, CA (+1 more)
Other sponsors in the same field
Geosyntec Consultants 49 filingsCarollo Engineers 20 filingsCounty of Monterey 9 filingsFreese and Nichols 8 filings
Alert me
US Department of Labor · latest filing Sep 17, 2024 · Visa details by country

Financials

Total raised
$43.8M
Latest round
Series A
Funding rounds
4
Funding rounds
Round Announced Amount
Series A 2023 $20M Details
Venture - Series Unknown 2023 $10M Details
Venture - Series Unknown 2022 $10.8M Details
Venture - Series Unknown 2021 $3M Details

People

Matthew Eisaman
Executive Officer, Director
SEC Form D
Ben Tarbell
Executive Officer, Director
SEC Form D
Kevin Tidwell
Director
SEC Form D
Gabriel Kra
Director
SEC Form D
Mike Biddle
Director
SEC Form D
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data

Connections

List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors3
Evok InnovationsVia a fund
27 portfolio companies: Twelve, Quidnet Energy, Rotoliptic and 24 more
Congruent VenturesVia a fund
62 portfolio companies: SPAN, Trashie, withvector and 59 more
Elemental ImpactVia a fund
144 portfolio companies: ZeroAvia, Cambium, Yard Stick PBC and 141 more
Report a mistake

News

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
San Carlos United States
HQ
50-200 est. staff

How to cite this page

Alion, "Ebb Carbon: key facts", as of Nov 13, 2026. https://alion.io/company/ebbcarbon

These figures are published under a free licence. You may reuse them, including commercially, as long as you credit Alion and link back to this page. CC BY-SA 4.0