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New Tax Rules: A Game Changer for Startup Founders

USAThursday, November 20, 2025
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The OBBBA has introduced significant updates to the Qualified Small Business Stock (QSBS) rules, offering substantial benefits for startup founders and investors.

Key Changes

  • Increased Exclusion Cap:
  • The cap on tax-exempt gains has been raised to $15 million.
  • Post-July 4, 2025, the cap will adjust for inflation.

  • Phased Exclusion for Founders:
  • Year 3: 50% of gains excluded.
  • Year 4: 75% of gains excluded.
  • Year 5: 100% of gains excluded. This phased approach provides flexibility in exit planning.

  • Higher Gross Asset Limit:
  • Companies can now issue QSBS with assets up to $75 million (previously $50 million).
  • Helps startups attract more investment while retaining tax benefits.
  • Tax Basis Adjustments:
  • Provisions like immediate expensing of research costs and bonus depreciation help companies stay under the cap.
  • Particularly beneficial for research-intensive businesses.

Considerations for Founders

  • C Corporation Requirement: Benefits apply only to domestic C corporations.
  • Double Taxation: While C corps face double taxation, QSBS benefits can offset this.
  • Strategic Planning: Founders should evaluate entity structure and tax implications when raising capital or planning exits.

Opportunities for Growth

These changes create new opportunities for innovation and scaling in a challenging economic environment. Founders should leverage these updates to optimize growth, fundraising, and exit strategies.

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