ClearSign Technologies Corporation

CLIR Industrials Pollution & Treatment Controls

ClearSign Technologies Corporation’s revenue for fiscal 2025 (year ended December 2025) was $5.2 million, up 45.6% from fiscal 2024.

Revenue
+321.1%
EPS
+26.7%
Free cash flow
−137.5%

Quarter to June 2026, against a year earlier

2.35 0.04 +1.73%
Market cap
$15.7M
P/E
0.0×
Fwd P/E
0.0×
Dividend yield
—
F-score
4/9
Altman Z
−5.55
Beneish M
1.98
Dividend safety
n/a

ClearSign Technologies Corporation (CLIR) EV/Sales

Alert me on EV/Sales

As of 5 November 2026, ClearSign Technologies Corporation (CLIR) trades at a EV/Sales of 0.7×. Over the past ten years it has ranged from 0.0× (December 2016) to 116× (April 2021); the current reading is higher than 17% of that period. That is below the Pollution & Treatment Controls industry median of 2.7× and below the Industrials sector median of 1.8×.

EV/Sales, daily

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Annual newest first

Period EV/Sales Change
FY2025 4.2× (73.41%)
FY2024 15.8× 5.93%
FY2023 14.9× (7.32%)
FY2022 16.1× (48.92%)
FY2021 31.4× 497.25%
FY2018 5.3× (88.45%)
FY2017 45.6× (19.11%)
FY2016 56.4× —
FY2015 0.0× —

Quarterly newest first

Period EV/Sales Change
Jun 2026 2.2× (34.43%)
Mar 2026 3.4× (19.03%)
Dec 2025 4.2× (72.44%)
Sep 2025 15.2× 140.84%
20 more quarters

Against its own ten years

Low 0.0× High 116×
Ten-year median 14.2×
Current reading's percentile 0

EV/Sales against peers

Company EV/Sales
LIQT LiqTech International, Inc. compare −0.5×
RAIN Rain Enhancement Technologies Holdco, Inc. compare n/m
CLWT Euro Tech Holdings Company Limited compare 0.1×
CLIR ClearSign Technologies Corporation 0.7×
BCHT Birchtech Corp. compare 0.8×
FTEK Fuel Tech, Inc. compare 0.9×
ARQ Arq, Inc. compare 1.0×
TOMZ TOMI Environmental Solutions, Inc. compare 2.8×
SCWO 374Water Inc. compare 23.6×
Pollution & Treatment Controls industry median 2.7×
Industrials sector median 1.8×
Market median 2.1×

What EV/Sales is

EV/Sales tells an investor how the value of a whole company, counting its debt and cash, compares with the sales it brings in.

((Stock Price × Shares (Basic, Weighted) (latest quarter)) + (Long Term Debt (Total) (latest quarter) + Current Part of Debt (latest quarter)) − Cash & Short Term Investments (latest quarter)) ÷ Revenue (TTM)

The full definition of EV/Sales →

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