Overview
In federal procurement
R499 is the federal PSC for other professional services: specialized professional work that does not fall under a named professional-services PSC. Agencies use it for hybrid or cross-discipline scopes. It is the support-services counterpart to NAICS 541990 and is filed in ITC’s SAM PSC assertions for scopes that span categories.
How a contracting officer reads this code.
UEI PR9KWJPM4JU9 · CAGE 91CE1 ·
is filed in ITC's SAM PSC assertions.
The same capability, commercially
Commercially, R499 represents the cross-discipline professional engagement: a single provider spanning advisory, build, and operations rather than three vendors. Mid-market firms consolidating vendors buy this. ITC’s four-practice structure is built for scopes that no single-discipline firm covers alone.
Mid-market, SMB, and enterprise buyers.
A PSC only matters when the buyer is a federal agency. The underlying service is the same for commercial buyers.
What falls under R499
The work, and the ITC services that deliver it.
We are happy to consult on which PSC and NAICS best represent the work for your specific scope.
Cross-discipline professional services
Hybrid advisory plus delivery scopes
Single-provider multi-practice engagements
Specialized professional support
Common questions
When is PSC R499 used instead of R425?
R425 is specifically engineering and technical services; R499 is the residual professional-services code for other or cross-discipline professional work that does not fit a named code.
Related codes
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We'll confirm the right PSC and NAICS for your solicitation, government or commercial.