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.
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 with confidence
We stick to IRS guidelines to ensure that your R&D tax credit claim is always accurate and compliant.
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.
Welcome to the neighborhood
$100,000,000 in savings and counting
Join the 2,000+ startups and small businesses using MainStreet to extend their runways.