
The R&D Tax Credit for Startups and Small Businesses: How to Claim Up to $500,000 Against Payroll Taxes
Section 41 lets qualified small businesses offset up to $500,000 of annual payroll taxes with the federal R&D credit. This guide covers the four-part qualification test, qualifying wages and cloud spend, the QSB election on Form 6765, and what OBBBA changed for 2025 and 2026 filings.







