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The R&D Tax Credit for Manufacturers: What Qualifies and How to Claim

You don't need a laboratory to claim the R&D tax credit. Every time your team designs a new product, engineers a custom solution or improves a production process, you may be generating a dollar-for-dollar tax credit.

Why manufacturers are prime candidates

The federal Credit for Increasing Research Activities (Internal Revenue Code Section 41) rewards businesses that develop or improve products and processes through technical problem-solving. Manufacturers do this every day, yet many never claim it because they think "R&D" means scientists in white coats.

The credit reduces your tax dollar-for-dollar, unused credits carry forward for up to 20 years, and many states offer their own credit on top.

The four-part test

An activity qualifies if it meets all four tests:

  1. Permitted purpose: creating or improving the function, performance, reliability or quality of a product, process, tool, formula or software.
  2. Technological in nature: relying on engineering, physics, chemistry, biology or computer science.
  3. Elimination of uncertainty: at the start, you weren't sure of the capability, method or right design.
  4. Process of experimentation: you evaluated alternatives through modeling, simulation, prototyping, testing or trial and error.

Examples of qualifying manufacturing activities

  • Designing and prototyping new products or product variations
  • Engineering custom equipment, tooling, jigs, fixtures and molds
  • Developing new or improved production processes, such as reducing cycle time, scrap or energy use
  • Automation and robotics integration, including PLC programming
  • Testing new materials, coatings, alloys or formulations
  • First-article builds and design iterations for customer-specific orders
  • Improving product strength, durability, safety or tolerances

Which costs count

ExpenseWhat's includedCounted
WagesEngineers, designers, technicians and machinists who perform, directly supervise or directly support qualified work100%
SuppliesMaterials used up in prototypes, trial runs and testing100%
Contract researchUS contractors and engineering firms doing qualified work for you65%
Computer useCloud computing used for simulation and development100%

Wages are usually the biggest piece. A machinist who spends 30% of their time on prototype runs can contribute 30% of their wages.

Custom work and "funded research"

If you build custom products under customer contracts, the key question is whether the research is "funded" by the customer. Generally you can still claim the credit if you bear the financial risk of failure (for example, on a fixed-price contract) and retain substantial rights to use the results. Contract terms matter, so they should be reviewed as part of any claim.

What it's worth

Most businesses use the Alternative Simplified Credit: generally 14% of qualified research expenses above half their three-year average (6% if there were none in any of the prior three years). As a rule of thumb, the net federal benefit is often 6% to 10% of qualifying spend. So a manufacturer with $1 million of qualifying wages and supplies might see a federal credit in the region of $60,000–$100,000 a year, before state credits.

Documentation

The IRS has increased its scrutiny of R&D claims, and Form 6765 asks for more detail about each project, or "business component". Keep project lists, design files, test results, change orders and time records. A good study ties each dollar to a specific project and shows how the four-part test was met.

Frequently asked questions

Do failed projects qualify for the R&D credit?
Often, yes. The credit rewards the process of experimentation, not a successful outcome.
Can a small manufacturer claim the R&D credit?
Yes. There's no minimum size. Qualifying small businesses may even apply the credit against payroll taxes.
Can I claim R&D credits for past years?
In many cases credits can be claimed on amended returns for tax years that are still open, generally the last three years.

Next step

A short conversation with your engineering or production lead is usually enough to tell whether you qualify. Learn more about our R&D Tax Credits service or book a free consultation.

This article is general information, not tax, legal or accounting advice. Tax rules change and outcomes depend on your specific facts; speak with a qualified tax professional before acting.

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