Slack

Slack has transformed business communication.

AuthorizedModerate13 federal agency authorizations

FedRAMPAuthorizedAgency path · May 20, 2020

ImpactModeratePublic Cloud

Runs onAWSFedRAMP record

Agency authorizations13Leveraged by 74 offerings

Source: FedRAMP Marketplace · refreshed Sep 12, 2026 · DoD status: DoD Cyber Exchange · checked Sep 12, 2026 · How the data works

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
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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.

Administration for Children & Families Argonne National Laboratory Centers for Medicare & Medicaid Services Cybersecurity & Infrastructure Security Agency Department of Agriculture Department of State Department of Veterans Affairs Federal Trade Commission General Services Administration National Aeronautics and Space Administration National Institute of Standards and Technology National Science Foundation United States Census Bureau

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 l

Collaboration

Authorization details

Offering: SlackFedRAMP ID FR1823447014
Status: FedRAMP AuthorizedAgency authorization path · authorized May 20, 2020
Impact level: ModerateLoss would have serious effect; the most common baseline
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: Sep 12, 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 Sep 12, 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.