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Illinois R&D Income Tax Credit

Offers Illinois innovation credits for founders scaling software, hardware, and biotech ventures.

Illinois Department of RevenueIllinoisTax credit

Illinois' R&D Income Tax Credit is administered by the Illinois Department of Revenue under 35 ILCS 5/201(k). It is a self-claimed income tax credit, not a competitive grant, and no pre-certification is required. The credit currently runs through 2027 unless the legislature renews it again.

The credit equals 6.5% of qualifying Illinois research expenses above the base-period average, using a fede…

Each grant below is a distinct funding opportunity with its own eligibility, scope, and deliverables.

Last verified: 11 May 2026Source: tax.illinois.gov