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Startup

Essential accounting and finance guidance for startup founders

Form 6765 R&D Tax Credit Payroll Offset: How Qualified Small Businesses Turn $500,000 of Section 41 Credit Into Cash

Section 41 lets a qualified small business apply up to $500,000 of R&D credit per year against employer Social Security and Medicare taxes via Form 6765 and Form 8974. This guide explains the QSB tests, the four-part research test, the redesigned Section G that becomes mandatory in 2026, and how OBBBA's Section 174 reset changes the timing math.

Section 1045 QSBS Rollover: How Founders Defer Capital Gains by Reinvesting Within 60 Days

Section 1045 lets non-corporate taxpayers defer capital gains from a QSBS sale by reinvesting proceeds into new qualifying small business stock within 60 days. After the 2025 OBBBA expansion (75M gross assets cap, tiered 50/75/100 percent exclusion at 3/4/5 years), the rollover can convert a missed Section 1202 exclusion into a deferred, and potentially excluded, gain.