The R&D Credit: Turn Product Work Into Payroll-Tax Savings
- Will Norling
- Aug 13
- 2 min read
Founder takeaway - If you’re paying W-2 wages to people building your product, you can likely turn a slice of that spend into near-term payroll-tax savings—often five to six figures over the next couple of quarters. File on time, make the QSB election, and route the credit through your 941s.
The federal R&D credit (IRC §41) rewards companies that build or improve products, processes, or software through a process of experimentation grounded in science/engineering. Most startups use the Alternative Simplified Credit (ASC) and, if they qualify as a Qualified Small Business (QSB), they can apply the credit against employer payroll taxes—up to $500,000 per year.
You’re likely a QSB if both are true:
Gross receipts < $5M this tax year, and
No gross receipts more than 5 tax years ago (counting the current year as Year 1).
Typical qualifying work: engineering sprints, prototyping, algorithm tuning, data pipeline R&D, performance testing, and novel integrations that resolve technical uncertainty.
So what is the upside? Potentially fast cash. Payroll-tax offset can be up to $500,000 per year (first against employer Social Security, then Medicare). This means your payroll tax will be reduced by the amount of credit you've earned. The offset starts with the first Form 941 quarter that begins after you file your income-tax return with the election (yes, you must elect this on your timely filed income tax return). Any unused credit carries to future quarters automatically.
Below is a simple checklist on how to claim:
Identify QREs: W-2 wages (developers/engineers + direct supervisors/support), research supplies, and 65% of eligible contract research.
Compute the credit: Most use ASC (either 6% if no prior-3-year QREs, or 14% of the increment over 50% of the 3-year avg).
Elect the payroll offset: File Form 6765 with your original, timely income-tax return (include Section D for the QSB election). Consider the §280C reduced-credit election to avoid reducing your §174 deduction.
Apply it to payroll: Next quarter, attach Form 8974 to Form 941. Your payroll provider (Gusto, Rippling, ADP, etc.) will need the 6765/8974 details.
It, of course, is not as easy as just electing to take a payroll tax credit. In addition to qualifying, gathering contemporaneous documentation, and calculating the actual credit amount, you must also:
Elect on a timely filed return. You generally cannot add the payroll offset on an amended return for that year.
Routine bug-fixing, cosmetic redesign, and tweaks to items that are already in deduction are typically not qualified research expenses.
Documentation is key to surviving an audit. Keep lightweight sprint notes, specs, tests, and time allocations that show the process of experimentation.
If you think you qualify, drop us a note and let's discuss the next steps.

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