
Connecticut's New R&D Tax Credit for LLCs and S Corps: What Public Act 26-68 Means for Small Businesses
Connecticut's Public Act 26-68, signed May 26, 2026, gives pass-through entities — LLCs, S corps, and partnerships with gross income under $70 million — a 6% R&D tax credit for the first time, refundable at 65% (90% for biotech), capped at $1.5 million per business and $25 million statewide, and claimed through a DECD voucher within 90 days of year-end.










