B Lab

Climate tech

Not ranked in this edition

Too little of the site could be measured to publish a fair number: 3 pages covering 23% of traffic. This reports what happened during measurement, not a motive.

Ranked climate tech companies

Sweeprank 7 overall · lightest 25% 0.68 g

Ecovadisrank 14 overall · lightest 25% 0.83 g

Science Based Targets initiativerank 19 overall · lightest 25% 0.92 g

Persefonirank 22 overall · lightest 25% 1.03 g

Normativerank 28 overall · lightest 25% 1.11 g

Plan Arank 36 overall · lighter half 1.29 g

Greenlyrank 47 overall · lighter half 1.46 g

Watershedrank 52 overall · lighter half 1.65 g

Patchrank 60 overall · heavier half 1.79 g

Tree-Nationrank 85 overall · heavier half 2.69 g

Bars share one scale within the sector, lightest first. Climate tech companies I couldn't measure fairly are listed on the withheld page. See all climate tech companies.

Why this company is in the index

Listed because: Global nonprofit behind Certified B Corporations.

Claims: Cleantech

Inclusion is based on a company's own public claims, never on whether it is a client of mine. How this is measured.

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Cite this: The Green Blind Spot, 2026-Q4 edition, Baba SEO. https://greenblindspot.com/2026-q4/company/bcorporation-net/