Can I deduct software bought before registering a business?

Yes—in the U.S., software bought before you register a business can still be deductible, but it is usually not treated as a regular immediate business expense just because you bought it before registration.

What matters more is when the business actually begins operating and what the software was used for. If the software was purchased to help start up the business before active operations began, it may be treated as a startup cost rather than an ordinary expense.

Key points:

• Registration itself is not the deciding factor. The main question is whether the business has started active operations.
• If the software was for launch/startup purposes, it may qualify as a startup cost.
• Startup costs may allow a limited first-year deduction, with any remaining amount generally recovered over time under the tax rules that apply.
• If the business never actually starts, the tax treatment can be different, and the cost may not be currently deductible as a business expense.
• The software should be closely connected to setting up the business—for example, accounting, design, or website tools used to prepare for operations.

Tax treatment can vary by country, state, and business structure, so it’s a good idea to confirm the exact rules with a CPA or the relevant tax authority before filing.