Brandtree

C3is: brands it owns and its ownership tree

C3is (Nasdaq: CISS) is a publicly listed company headquartered in Athens, Greece that owns 1 consumer brand.[1][2]

C3is Inc. is a Marshall Islands company incorporated on 25 July 2022 as the holding company for two drybulk carriers that Imperial Petroleum contributed to it. Imperial Petroleum distributed all its shares to its own holders on 21 June 2023, which the 2025 Form 20-F calls the Spin-Off, and keeps Series A Convertible Preferred Stock with a $15 million liquidation preference. Its vessels are operated through the affiliate Brave Maritime.

Company facts

Legal name
C3is Inc.
Type
publicly listed company · see all publicly listed company owners
Headquarters
🇬🇷 Athens, Greece
Founded
2022
Tickers
Nasdaq: CISS
Revenue
$34.8 million (2025)[2]
SEC CIK
0001951067
Last verified
· 2 sources

C3is in numbers

C3is financial history

Headline figures from C3is's annual reports filed with the US Securities and Exchange Commission, in USD as reported, fiscal years ending 2023–2025. Revenue moved from $28.7m to $34.8m, an average of 10.0% a year (calculated).

Fiscal year endedRevenueOperating incomeOperating marginNet incomeTotal assetsLong-term debtFiling
$34.8m $1.36m 3.9% $10.5m $98.5m — 20-F
$42.3m $10.1m 23.8% $-2,748,367 $100.5m — 20-F
$28.7m $10.4m 36.3% $9.29m $95.5m — 20-F

Source: SEC XBRL company facts. A dash means the company did not report that line in a form we could read. Figures for a year can be restated in a later filing; the latest filing's number is shown.

Everything C3is owns

Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.

Everything C3is owns Tree of 1 brands under C3is. C3is C3is

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Brand portfolio by category

Full portfolio, 1 brands, with sources →

Recent changes to this record

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C3is SEC filings

The documents behind the figures on this page, as listed in the SEC's EDGAR index. Each links to the filing itself.

Annual reports

Recent current and quarterly reports

FiledFormWhat it declares
6-KReport of a foreign private issuer
6-KReport of a foreign private issuer
6-KReport of a foreign private issuer
6-KReport of a foreign private issuer
6-KReport of a foreign private issuer
6-KReport of a foreign private issuer
6-KReport of a foreign private issuer
6-KReport of a foreign private issuer

Frequently asked questions

What brands does C3is own?

C3is owns 1 consumer brands tracked here, including C3is.

Is C3is a Greek company?

Yes. C3is is headquartered in Athens, Greece and was founded in 2022.

Who owns C3is?

C3is is a publicly listed company owned by its shareholders; it trades as CISS on the Nasdaq.

Sources (2) & corrections

Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.

  1. [1] C3is Inc. Annual Report on Form 20-F filed 2026-04-22 — SEC EDGAR, SEC Form 20-F, published 22 April 2026; retrieved 5 October 2026.
  2. [2] C3is Inc.: Form 20-F for the year ended 2025-12-31 (revenue) — SEC EDGAR, SEC Form 20-F, published 22 April 2026; retrieved 5 October 2026.

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