Wren Climate, PBC scores 54/100 (Making progress) on SINK's independent climate assessment — scored from public data only, no company payment can change a number. Last verified July 2026.
That places Wren Climate, PBC joint 62nd of 809 companies scored, and 14th of 75 in SaaS / Digital Services.
Wren is a carbon offset platform operating in a structurally contested market. Its own operational footprint is negligible, but it publishes no emissions data. Core weakness: zero formal disclosure of own operations, no SBTi commitment, and dependence on voluntary carbon credits with documented sector-wide integrity issues.
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SINK = (0.3 × Base + 0.7 × Performance) × ScaleStrongest on Transparency & Accountability and Controversies & Red Flags (7/10, 7/10). Weakest on Energy Source and Emissions Trajectory (3/10, 3/10).
9 sources used in this assessment. All publicly available. Each row shows which rubric questions it informed.
“Servers ($3,071): it costs some money to host our site”
“Wren subscribers made an incredible impact from June 2024-2025, contributing $4.9M”
“In year five, Wren subscribers have contributed $5.6M to fight climate change”
“We evaluate projects against 250+ indicators to ensure projects meet our standards”
“Wren is a registered PBC in the United States with a legally-binding charter”
“Wren's success as a business is measured by impact, not profit”
“Servers, software, and web expenses ($106,000)”
If you believe a source has been misread or a newer version exists, submit a challenge.
Where Wren Climate, PBC sits among saas / digital services peers.
Among the 75 major saas / digital services brands we've scored, Wren Climate, PBC sits 14th of 75.
As Wren Climate, PBC's score updates, the trajectory will appear here.
This score is not currently being contested.
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No challenges submitted yet. If you have evidence that contradicts this score, you can challenge any question above — cite a public source and we'll review it.
Wren is a San Francisco-based SaaS platform enabling individuals to offset their carbon footprint by funding climate projects globally. Founded in 2019, it operates as a public benefit corporation with approximately 10–15 employees. The company curates and finances carbon removal and avoidance projects, primarily in reforestation, deforestation prevention, and soil carbon restoration.
Digital platform monetizing environmental action; comparable transparency and mission-lock structure.
View breakdown →B-corp SaaS model addressing food waste; similar operational footprint and PBC legal alignment.
View breakdown →Large energy conglomerate; contrasts with Wren's pure-play carbon markets exposure and VCM dependency.
View breakdown →Energy transition company with formal emissions targets and third-party verification; peer on climate accountability.
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