Better than 46% of SaaS / Digital Services
Making progress starts at 46. The highest score on SINK is 71.
Head office DEStaff ~143–147Revenue ~€3–4M (aggregator estimates, unverified — treat with caution)Website ↗
Nextcloud scores 36/100 (Below expectations) on SINK's independent climate assessment, scored from public data only. Scores are free. Nobody can pay to change a score, speed it up or hide it. Last verified September 2026.
That places Nextcloud joint 542nd of 1,023 companies scored, and joint 36th of 69 in SaaS / Digital Services.
Strongest on Controversies & Red Flags and Nature & Biodiversity Impact (8/10, 5/10). Weakest on Carbon Footprint: Operations and Carbon Footprint: Supply Chain (3/10, 3/10).
For each question that lost points, the evidence our public rubric looks for that we didn't find.
What would raise this score
Every question that lost points
A score changes when the evidence does. We use new published evidence at the next rescore. Anyone can send us new evidence, free. How to send it.
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × ScaleNextcloud's score has been reviewed 2 times and currently stands where it started, at 36.
Correction, 7 November 2026: removed an unsourced emissions figure. Score unchanged.
Initial score 36 (score-company publish)
17 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
“The Company prioritizes health, safety, and environmental protection, conducting operations to safeguard its employees, customers, the public, and the environment.”
“As of May 2026, Nextcloud GmbH has approximately 143 employees across 5 continents”
“The Federal Ministry for the Environment awarded the first Blue Angel ecolabels for resource and energy-efficient cloud software to Nextcloud Server and Green Metrics Tool on 11 June 2025.”
“software that reduces energy use and resource consumption also reduces external dependencies and extends the lifespan of existing systems.”
“Die ressourcenschonende Architektur und Datenportabilität trage dazu bei, Abhängigkeiten zu reduzieren und bestehende IT-Infrastrukturen länger nutzbar zu machen.”
“Nextcloud setzt damit neue Maßstäbe für Green IT und digitale Souveränität.”
“The SBTi's Target Dashboard lists companies and financial institutions that have set science-based targets, or have committed to developing targets.”
“digital public goods must follow best practices around privacy, security, and sustainability, avoid causing harm, and meaningfully contribute to the United Nations' 2030 Sustainable Development Goals.”
“LobbyMap maintains the world's leading database on corporate and industry association climate policy engagement, with metrics and profiles covering 1000 companies.”
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Where Nextcloud sits among saas / digital services peers.
Among the 69 major saas / digital services brands we've scored, Nextcloud is tied =36th of 69, with 2 others.
The 3 companies in the sector scoring nearest above Nextcloud.
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