Tax Software and Support RFP

Description: The IRS seeks commercial off-the-shelf tax software licenses and related maintenance, integration, customization, training, and user and technical support for its Federal Tax Compliance mission. The requirement includes up to 130 Tax Analyzer licenses and 150 Tax Planner licenses, as well as middleware support, software updates, integration and testing, cybersecurity, and documentation services. Proposals are due November 18, 2026, at 4:00 p.m. Eastern Time, and the IRS anticipates a single firm-fixed-price award with a one-year base period and four one-year options.