Slack

How to buy

Confirmed paths come from GSA and the FedRAMP record; searches are places to look.

Confirmed buying paths

• Vendor directGovernment sales page from the FedRAMP record
  Visit →

Other places to check

• AWS MarketplaceExact listing not yet verified by FedCatalog · Search listings; GovCloud (US) availability is shown on each listing
  Search AWS Marketplace →
• Azure MarketplaceExact listing not yet verified by FedCatalog · Search listings; Azure Government editions are listed separately
  Search Azure Marketplace →
• Google Cloud MarketplaceExact listing not yet verified by FedCatalog · Search listings
  Search Google Cloud Marketplace →
• Oracle Cloud MarketplaceExact listing not yet verified by FedCatalog · Browse listings
  Open Oracle Cloud Marketplace →
• GSA eLibraryExact listing not yet verified by FedCatalog · MAS contract holders that list the vendor
  Search GSA eLibrary →
• GSA AdvantageExact listing not yet verified by FedCatalog · Products and prices on GSA schedules
  Search GSA Advantage →
• NASA SEWPExact listing not yet verified by FedCatalog · Provider and contract-holder lookup
  Open NASA SEWP →

✓ verified by FedCatalog · ○ vendor-supplied and reviewed · searches are places to look, not matches. FedCatalog shows what it can verify and labels what it can’t. Sell this to government? Send exact marketplace, GSA or SEWP listings to mark@fedcatalog.com.

FedRAMP Marketplace listing ↗ · Section 508 ACR Repository ↗ · SAM.gov ↗

Government footprint

13 agencies have an authorization or reuse on record for this offering.

What it does

Slack has transformed business communication. It's the leading channels-based messaging platform, used by millions to align their teams, unify their systems, and drive their businesses forward. Only Slack offers a secure, enterprise-grade environment that can scale with the largest companies in the world. It is a new layer of the business technology stack where people can work together more effectively, connect all their other software tools and services, and find the information they need to do their best work. Slack is where work happens. Slack can support customers who are seeking both an Li-SaaS (FedRAMP low impact level) and FedRAMP Moderate impact level authorization or ATO. The Enterp

Authorization details

• Offering
  SlackFedRAMP ID FR1823447014
• Status
  FedRAMP AuthorizedAgency authorization path · authorized May 20, 2020
• FedRAMP impact level
  ModerateAuthorized against the FedRAMP Moderate baseline, the most common one.
• Deployment
  Public CloudSaaS
• Runs on
  AWSFrom FedRAMP leveraged-system relationships.
• Assessor (3PAO)
  Schellman Compliance, LLC
• Leveraged by
  74 other offeringsFedRAMP offerings built on this one
• Data as of
  Oct 7, 2026FedRAMP Marketplace, refreshed daily

An authorization belongs to this specific offering and boundary; the vendor’s other offerings are listed separately. Source: FedRAMP Marketplace · refreshed Oct 7, 2026.

DoD Impact Level listings for Slack Technologies

• GovSLACK (Not Authorized for Operational Use)IL4 high

  IATT - Not Authorized for Operational Use · Software as a Service (SaaS) · expires Feb 28, 2025 (past the listed date; verify on the DoD page)

DoD listings name their own offering; they are not automatically the same boundary as this FedRAMP offering. All DoD listings.

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