Save smarter

The smartest path to extending your runway

MainStreet is on a mission to help every small business make a big impact. We take the guesswork out of tax credits and pass the untapped savings onto you.

Small Business R&D Tax Credits from MainStreet
Startup R&D Tax Credits from MainStreet

Build with confidence

Your work is worth more than you think

Billions of dollars in tax credits are set aside each year for companies that prioritize innovation through R&D work. But you shouldn’t need an accounting degree to access them.

Our team of specialists will handle the bulk of your R&D tax credit claim, so you can focus on building your business.

Partnering with MainStreet

Unlock time, money, and peace of mind

Understanding tax credits is our full-time job, so it doesn’t have to be yours.

Claim R&D Tax Credits with Confidence from MainStreet

Claim with confidence

We stick to IRS guidelines to ensure that your R&D tax credit claim is always accurate and compliant.

Best-in-class support

Our team of in-house CPAs, tax code specialists, and fellow founders will support you every step of the way.

Track your progress with ease

Discover more with your MainStreet dashboard

Manage your tax credit claim, access savings opportunities, and more.

Savings made simple

Sign up for free in just 5 minutes. We search through 200+ credits, finding the ones that best suit your business. Once you qualify, we do the heavy lifting to claim your credits and pass the savings onto you.