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Home/Glossary/ATO
Certification

ATO

Authority to Operate

Definition

ATO (Authority to Operate) is the formal authorization for an IT system to operate in a federal environment. Issued by the Authorizing Official after security assessment. Required before any system goes live. Governed by NIST RMF.

Why does ATO matter?

(Authority to Operate) is a certification concept federal contractors and grant writers run into across solicitations, regulations, and award filings

Source: Bureauify editorial review·Last updated 2026-06-06 by Bureauify

Where this matters in federal contracting

ATO is a federal-contracting certification or socio-economic status. Contractors qualifying under ATO can pursue opportunities specifically reserved for that category — but only after registration and verification through the relevant authority (SBA, VA, GSA, or the agency itself). The competitive advantage from a ATO certification is real, but conditional: it depends on the registration being current, the eligibility being maintained, and the work fitting within the certification's scope. Many small contractors leave ATO opportunities on the table because they assume the bar is too high or the administrative overhead too painful; in practice the largest barrier is usually the awareness gap, not the qualification gap. The related terms above name the adjacent certifications ATO most commonly stacks with.

What can I do?

FollowSave

Route: Orientation path

  1. 1.Discover — you are here
  2. 2.Decide — follow to monitor
  3. 3.Act — follow to monitor
No live signal yet — actions derived from family registry.

Related Terms

NIST

More certification terms

8(a)SDVOSBVOSBWOSBEDWOSBHUBZoneCMMCSDBIATOFAC-CFAC-CORFAC-PPM

Frequently Asked Questions

What is ATO in government contracting?▾
ATO (Authority to Operate) is the formal authorization for an IT system to operate in a federal environment. Issued by the Authorizing Official after security assessment. Required before any system goes live. Governed by NIST RMF.
Why is ATO important for government contractors?▾
Authority to Operate is a certification or designation in the federal contracting ecosystem. Businesses with this certification may qualify for set-aside contracts and other preferential procurement programs.

Find ATO-related opportunities

Search active federal contracts and solicitations related to ATO on Bureauify.

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