Find R&D Tax Credits

The leading R&D tax credits solution

MainStreet takes the guesswork out of R&D tax credits and passes the savings on to you.

Thousands of dollars are waiting, don’t miss your deadline and get started today.

Introducing R&D Tax Credits from MainStreet

$104M +

Savings claimed (so far)

2,000 +

Startups & SMBs served

$51K +

Our average credit claim

Introducing Small Business R&D Tax Credits from MainStreet

Why MainStreet

Thousands of customers served, Millions in R&D Credits earned, and 0 audits

MainStreet is the no. 1 provider of R&D Credits. We have decades of combined experience that have allowed us to refine a methodology that will provide you peace of mind.

In the unlikely event of an audit, we’ll reimburse you up to $1,000,000 for any accountant fees, penalties, or interest you have to pay to the government due to a MainStreet error.

(PS. None of our companies has needed to use the Guarantee)

Why R&D Tax Credits

Billions left on the table

There are over $100B set aside for R&D tax credits but only a handful are getting claimed. 4,000+ businesses and startups don’t know they’re qualified for R&D Credits.

It’s convoluted but we’re here to do it for you.

Why R&D tax credits
R&D Tax Documents from MainStreet

Come tax season, we’ll provide you with:

The tax forms needed to file your claim alongside your annual tax return.

A summary of your expenses, giving insight into how we reached your final credit amount.

A dedicated team of tax specialists, on hand to guide you with the next steps of your claim.

MainStreet works seamlessly with your CPA

We know R&D tax credits like the back of our hand, and we’ve got the resumes to prove it. With 25+ years of experience across the Big 4 consulting firms and boutique R&D specialists, our Accounting Operations team has supported credit claims across Fortune 500 companies, high-growth startups, and small business owners alike.

We’ve worked with thousands of businesses to identify and calculate the R&D tax credits they’re owed. Our collective experience and industry knowledge allow us to simplify these intricate credits, creating an accessible and easy-to-use product for small business owners.

Introducing Startup R&D Tax Credits from MainStreet

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.