Support (Management): Auditing

PSC R704 covers federal audit services with $1.12 billion obligated in FY2025. It has the cleanest PSC-to-NAICS mapping of any large services code.

PSC R704 · Family R: Professional, Administrative, and Management Support Services · Published

By Outrider Editorial Team

FY2025 obligations by the NAICS code on the award

42% of the $1.1B obligated under R704 in FY2025 went to awards coded NAICS 541211.

  1. 561440 Collection Agencies$75.8M

FY2025 federal contract obligations, USAspending.gov

PSC R704 is the federal auditing code: financial statement audits, single audits of grant recipients, incurred-cost audits, improper-payment reviews, and the audit readiness work agencies buy in support of them. FY2025 obligations were $1.12 billion.

The tidiest distribution in the R series

Most service codes scatter across unrelated industries. R704 does not. Offices of Certified Public Accountants (541211) took $463 million and Other Accounting Services (541219) another $388 million. Together those two codes account for roughly 76 percent of the code. The remainder is small and easy to explain: Other Computer Related Services (541519) at $76 million, collection agencies 561440 at $76 million, and management consulting 541611 at $64 million.

The one-line version of PSC versus NAICS

A PSC is the government's classification of the purchase and a NAICS code is its classification of the industry of the work, and R704 is the rare case where the two describe the same thing.

That makes R704 a genuinely reliable search. If you hold a CPA registration, an alert on this single code plus R703 accounting will surface nearly your whole addressable federal market. Note that R615 background investigation and R702 data collection are separate codes and do not belong in an audit search.

PSC R704 FAQ

What does PSC R704 cover?

Audit services purchased by federal agencies, including financial statement audits, single audits, incurred-cost audits, and audit readiness support.

What NAICS codes win R704 work?

Offices of Certified Public Accountants (541211) at $463 million and Other Accounting Services (541219) at $388 million together take about three-quarters of FY2025 obligations, the tightest concentration among the large R codes.

Is accounting the same PSC as auditing?

No. Accounting is PSC R703 and auditing is PSC R704. Firms that do both should register their NAICS codes once and search both PSCs.

Why do collection agencies show up under an audit code?

Improper payment identification and recovery work is often solicited under collection services, the industry recovery-audit firms work in, so the obligation carries that industry code.

Find out which agencies want what you build

Describe your product in plain English. Outrider finds the SBIR topics, OTAs, grants and contracts that fit, says why, and flags what could rule you out.