Does My Manufacturing Company Qualify for the R&D Tax Credit?

Owedco  ·  Updated for the 2026 tax year  ·  6 min read

Manufacturing is one of the top three industries for R&D tax credit claims — and most manufacturers have never filed one. Here's what's actually happening and what you can do about it.

When people hear "R&D tax credit," they picture pharmaceutical researchers and Silicon Valley engineers. Manufacturing businesses almost never see themselves in that picture. That's a costly mistake — manufacturers are among the biggest beneficiaries of the credit and the IRS has made that clear in guidance going back decades.

If your business designs products, improves production processes, tests new materials or solves engineering problems that didn't have obvious answers, you very likely qualify. The question isn't whether the credit exists for you. It's how much you've already left behind.

What manufacturing activities the IRS considers qualifying

The credit doesn't require you to have a lab or a research department. It applies to technical work done on the production floor, in the engineering office or anywhere your team is solving problems that don't have a known solution yet. Specifically, these activities consistently qualify for manufacturing businesses:

• Developing new product designs or redesigning existing ones to improve performance, safety or cost
• Improving manufacturing processes to increase yield, reduce waste or hit tighter tolerances
• Testing new materials, alloys, coatings or components to evaluate whether they perform as needed
• Designing and building custom tooling, jigs, fixtures or machinery for production
• Developing prototypes and running production trials before full-scale manufacturing begins
• Solving quality control problems that required engineering investigation
• Automating production lines when the automation required custom engineering
• Work done to meet new regulatory, safety or environmental standards that required technical development
• Collaborating with customers to develop products built to their specifications

What doesn't qualify

Not everything in a manufacturing business counts. The IRS draws a clear line between routine production and genuine development work:

• Standard production runs using established processes — even if they're complex
• Quality control on products that are already fully designed and in production
• Styling or aesthetic changes that don't involve engineering or technical challenges
• Adapting an existing product to a new customer's spec when no new engineering was required
• Management, sales or administrative time

The key question is always: was there genuine technical uncertainty involved? Did your engineers have to figure something out — or were they executing a known process? If it's the former, it likely qualifies.

How the credit is calculated for a manufacturing business

The credit runs at roughly 6–8% of your qualified research expenses. For manufacturers, those expenses typically include:

• Wages for engineers, machinists and technicians who spend time on qualifying work — even if only a portion of their time qualifies
• Costs for contractors and outside engineers brought in for development projects (65% of what you paid them)
• Supplies directly used and consumed in the development process — test materials, prototype components, trial production materials

A mid-sized manufacturer with an engineering team of 15 people and $2M in annual qualified expenses could be looking at $120,000–$160,000 in annual credits. Dollar for dollar off the tax bill — a direct reduction in what you owe.

The documentation most manufacturers already have

One concern manufacturers often raise is documentation — they worry they haven't kept the kind of records required. In practice, most already have everything needed:

• Engineering drawings and design revisions
• Test reports and quality inspection records
• Project files and job costing records
• Time records for engineers and production staff
• Purchase orders for prototype materials or test components
• Emails and meeting notes about technical problems and how they were approached

A specialist will go through what you have and build the claim from your existing records. You don't need to have been tracking this with the credit in mind — that's their job.

Prior years can be recovered too

The IRS allows you to amend prior tax returns and claim R&D credits for work done up to three years ago. For a manufacturer that's been doing qualifying development work for several years without claiming the credit, that retroactive recovery can add substantially to the first-year figure. Some businesses recover more from prior years than from the current year alone.

This article is for informational purposes only and does not constitute tax or legal advice. R&D credit eligibility depends on your specific activities and qualified expenses. Consult a qualified tax professional before filing any credit claim.