Key Tax Changes Under the New "One Big Beautiful Bill Act" – What It Means for You

Big news for startups and investors! The recently enacted "One Big Beautiful Bill Act" (OBBBA) brings some significant changes that can boost your company's financial health and improve returns for investors. This new legislation, signed into law on July 4, 2025, reverses some costly tax rules and introduces enhanced benefits for Qualified Small Business Stock (QSBS).

Immediate R&D Deductions are Back in a Big Way 🚀

For the past few years, a change in tax law required companies to spread out their domestic Research & Development (R&D) costs over a five-year period. This was a major headwind for many startups, forcing them to pay higher tax bills and limiting their cash flow during critical growth stages.

The OBBBA reverses this rule, allowing you to once again deduct 100% of your domestic R&D costs in the year they're incurred. This immediate deduction can be a powerful tool for lowering your tax burden and keeping more cash in your business.

Even better, this change is retroactive. If your company's average annual gross receipts are $31 million or less, you may be able to go back and claim this benefit for the 2022, 2023, and 2024 tax years by amending your prior returns. This could unlock a significant tax refund and provide an immediate cash flow boost.

A word of caution: The IRS has not yet released official guidance on the exact process for amending these prior-year returns. We strongly recommend waiting for these instructions before filing to ensure compliance and avoid potential issues.

Bigger Payouts for QSBS 📈

The Qualified Small Business Stock (QSBS) exclusion is one of the most valuable tax incentives for founders and early investors. Under the OBBBA, this benefit has been significantly enhanced for QSBS acquired after July 4, 2025.

Higher Exclusions & Shorter Holding Periods

The potential tax-free gain from selling QSBS has increased from the previous $10 million cap to a new $15 million limit.

In addition to this higher cap, the OBBBA introduces a new tiered exclusion system that rewards shorter holding periods. The previous rule required a minimum five-year holding period to qualify for the exclusion. The new rules allow for:

• A 50% exclusion for QSBS held for at least 3 years.
• A 75% exclusion for QSBS held for at least 4 years.
• The 100% exclusion still applies for QSBS held for 5 years or more.

Expanded Eligibility

More companies can now qualify to issue QSBS. The aggregate gross asset limit for qualifying issuers has been increased from $50 million to $75 million. This change expands the pool of eligible companies, making the QSBS benefit accessible to a wider range of startups and their investors.

Need Help Navigating These Changes?

These new provisions present major opportunities to optimize your tax strategy. If you have questions about how to leverage the immediate R&D deductions or the expanded QSBS benefits, don't hesitate to reach out to the airCFO tax team at taxteam@aircfo.com. We're here to help you navigate these updates and maximize your tax benefits.