ClearSign Technologies Corporation (CLIR)

ClearSign Technologies Revenue

ClearSign Technologies had revenue of $560.00K in the quarter ending June 30, 2026, with 321.05% growth. This brings the company's total for the last twelve months to $5.45M, up 82.74% year-over-year. In the year 2025, ClearSign Technologies had annual revenue of $5.23M with 45.55% growth. That makes ClearSign Technologies the 39,653rd largest company in the world by revenue and 5,256th in the United States.

• Revenue (ttm): $5.45M
• Revenue Growth: +82.74%
• P/S Ratio: 3.18
• Revenue / Employee: $340,688
• Employees: 16
• Market Cap: 16.68M

Revenue Chart

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Revenue History

Fiscal Year End	Revenue	Change	Growth
Dec 31, 2025	5.23M	1.64M	45.55%
Dec 31, 2024	3.60M	1.19M	49.65%
Dec 31, 2023	2.40M	2.03M	542.51%
Dec 31, 2022	374.00K	-233.00K	-38.39%
Dec 31, 2021	607.00K	-	-
Dec 31, 2020	-	-	-
Dec 31, 2019	-	-	-
Dec 31, 2018	530.00K	-10.00K	-1.85%
Dec 31, 2017	540.00K	-81.00K	-13.04%
Dec 31, 2016	621.00K	560.00K	918.03%
Dec 31, 2015	61.00K	-	-
Dec 31, 2014	-	-	-
Dec 31, 2013	93.00K	-	-
Dec 31, 2012	-	-	-
Dec 31, 2011	-	-	-
Dec 31, 2010	-	-	-
Dec 31, 2009	-	-	-

Data Source: Fiscal.ai Last updated: Aug 14, 2026

Revenue data is provided by Fiscal.ai and updates within minutes after each earnings release, which is every three months for this company.

Update frequency:

Quarterly

Last checked:

Oct 18, 2026

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