2026 Small Business R&D Tax Break: 100% Immediate Deductions

In the past, only “Big Tech” could afford to spend years amortizing the cost of developing new software or internal tools. Under the OBBBA, the playing field has leveled.

Small businesses can now immediately deduct 100% of domestic R&D expenses. This is a game-changer for growth because:

  • Custom Tooling: You can write off the cost of building a custom AI agent or a proprietary customer portal in the same year you build it.
  • Retroactive Recovery: Eligible small businesses (with receipts under $31M) can actually apply these deductions retroactively to 2022, 2023, and 2024.
  • The “Innovation Refund”: Many owners are using these retroactive refunds to fund their 2026 expansion into new states.
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