Slack: SSO pricing 2026
Slack charges $7.25/seat/month on its Pro plan. SAML SSO is gated to the Business+ tier, priced at $12.5/seat/month — a premium of +72% over the base.
Base price
$7.25
Pro / seat / mo
SSO price
$12.5
Business+ / seat / mo
Δ% premium
+72%
per seat
Annual @ 50 seats
+$3,150
extra you'd pay
What to watch
SAML SSO from Business+. SCIM requires Enterprise. US-dollar pricing shown; UK page (£5.75 / £12) differs slightly.
What it costs you
| 10 seats / year on base | $870 |
| 10 seats / year on SSO tier | $1,500 |
| Annual SSO premium (10 seats) | +$630 |
| 50 seats / year on base | $4,350 |
| 50 seats annual premium | +$3,150 |
| 200 seats annual premium | +$12,600 |
Source
Verified directly from the vendor's pricing page on 2026-06-02:
↗ https://slack.com/pricing