The #1 Tax Credit Platform

The IRS tax code is 77,000 pages of untapped opportunity. MainStreet’s AI-enhanced system scans and brings your business the best savings in minutes.

We look for the following and more!

Startup R&D Tax Credits from MainStreet

Build with confidence

AI-powered tax credits

We’re not just a tax credit company; we’re your high-tech ally in the world of business finance. Our team of experts with decades of tax experience along with our cutting-edge AI technology is your ticket to effortless savings. In our company’s history, not one of the thousands of companies we’ve helped have been audited.

You build your business. We’ll ensure you’re getting all the savings you can.

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.

Thank you to our friends at Parallel, Wired Impact, InstaLend, and ServiceBell for sharing their MainStreet stories!

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 tax credits and pass the savings on to you.