Company file Nº 41 / 1000 · Series B · United States · updated 14 Sep 2026
Mattermost
GTM score
87.7
In its stage
13th of 218 Series B
Ranked against 1000 companies indexed as at 14 Sep 2026. The index grows every month, so a rank can move without a company changing.
What they do
Collaboration platform with messaging, file sharing, and automation for mission-critical operations
The pillar map
exit criteria metexit criteria partly metexit criteria not metno public signal found
The real colors on all 16 pillars, with each pillar's score, free with an email address.
Our read
We read every map the same way: where the engine is strong, where it's stuck, and what matters most next. Our read on Mattermost: our read, unlocks with email
What the full report adds
GTM score over time
Think we got Mattermost wrong? and we will take another look. How we score →