IRS Federal Contracting Guide
Internal Revenue Service
Mission: Provide America's taxpayers top-quality service by helping them understand and meet their tax responsibilities and enforce the law with integrity and fairness.
Annual Obligation
$5B+ (FY2024)
Latest FPDS reporting period
Top NAICS
5
Most-bought codes (see below)
Vehicles
5
Primary contract vehicles
Procurement Profile
IRS is undertaking a multi-decade IT modernization program funded in part by the Inflation Reduction Act. Procurement is heavily weighted toward IT services, application development, taxpayer experience systems, and cybersecurity. Major vehicles include TIPSS-4 and EDOS. Significant set-aside activity for small businesses across HUBZone, WOSB, and SDVOSB.
Top NAICS Codes at IRS
Primary Contract Vehicles
- TIPSS-4
- EDOS (Enterprise Development Operations Services)
- GSA MAS
- Alliant 2
- CIO-SP4
Small Business at IRS
IRS exceeds 25% small business goal. Active across all set-aside categories with particular emphasis on HUBZone and WOSB participation.
Continue Your Research
NAICS 541512 — Computer Systems Design Services
Top NAICS at IRS. See contract values, set-asides, and related codes.
NAICS 541511 — Custom Computer Programming Services
Top NAICS at IRS. See contract values, set-asides, and related codes.
NAICS 541519 — Other Computer Related Services
Top NAICS at IRS. See contract values, set-asides, and related codes.
FAR 52.219-14 Limitations on Subcontracting
Critical for small business set-aside contracts at this agency.
Browse All Agency Guides
Procurement profiles for every top federal agency.
Want to win IRS contracts?
Aliff helps GovCon firms target the right vehicles, score incumbent vulnerability, and price competitively for IRS pursuits.