SINKScore sheet
Independent sustainability scoreSlack
SaaS / Digital Services · San Francisco, USA
37/100
Below expectationsJoint 41st of 76 in SaaS / Digital Services
Strongest
- How clean its energy is6/10
- Emissions from its own operations4/10
Weakest
- Whether its emissions are falling3/10
- Its effect on nature3/10
Evidence level
Full
Sources
10
Method version
pre-v2.5
Date scored
6 April 2026
Scored out of 100 on the same ten questions as every company we score. Every source is listed on the live page. Fees pay for the review, never the result. Scores can go down as well as up.
Live score, reasoning and every source
sinkproject.com/company/slackThis sheet shows the score on the date above. The live page is always current.