Category leaderboard

Communications: SSO premium tracker

Name: The SSO Premium Index
Creator: Digital Signet
License: https://creativecommons.org/licenses/by/4.0/

Messaging, video, calling, email. 3 vendors tracked. Median SSO premium: +72%. Highest premium: Slack at +72%.

Vendor	Base	SSO	Δ%	Verified
Slack Pro → Business+	$7.25	$12.5	+72%	2026-09-02
Zoom Pro → Business	$14.16	$18.33	+29%	2026-09-02
Twilio Pay as you go → Enterprise Plan	$0	Enterprise (~$15K/yr min, industry-reported)	—	2026-09-02

Other categories