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Overview
MainStreet helps businesses save money by using artificial intelligence to find and claim tax credits. It scans over 200 different tax credits to identify which ones fit a client’s situation, then handles the entire claiming process for them. Revenue comes from fees charged for this service. The team includes in-house CPAs, tax code specialists, and founders who ensure claims follow IRS guidelines and stay compliant, with thousands of clients served and no audits reported. By taking care of the tax-credit process, MainStreet lets businesses focus on growing, while the company optimizes savings and maintains compliance. Overall goal: maximize client tax-credit savings efficiently and reliably.
About MainStreet
Industries
Data & Analytics
Fintech
Financial Services
Company Size
51-200
Company Stage
Series A
Total Funding
$62.7M
Headquarters
San Jose, California
Founded
2019
Simplify's Take
What believers are saying
- Acquired Capbase to build integrated small business OS for entity and governance.
- Secured $75M from SignalFire and Gradient Ventures fueling platform expansion.
- Helped 1,000+ startups claim $80M in first two years since 2019 founding.
What critics are saying
- Employer.com acquisition redirects MainStreet.com traffic, eroding brand by Q2 2026.
- Capbase integration fails, causing client churn within 6-12 months.
- IRS audits invalidate AI claims post-2025 TCJA, forcing 20% fee refunds in 2027.
What makes MainStreet unique
- MainStreet automates tax credit claims via AI scanning payroll systems like Gusto.
- In-house CPAs ensure IRS-compliant claims with zero audits on thousands of clients.
- 20% success fee only charges upon incentive disbursement, no upfront costs.
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Funding
Total Funding
$62.6M
Above
Industry Average
Funded Over
3 Rounds
SV AngelIndustry standards
Growth & Insights and Company News
6 month growth
↑ 0%1 year growth
↓ -3%2 year growth
↓ -3%Mainstreet has acquired Capbase to enhance its platform with tools for entity formation, equity, and corporate governance, aiming to create the first small business operating system. This acquisition supports Mainstreet's mission to provide entrepreneurs with an integrated platform to manage their businesses efficiently, allowing founders to focus on building their companies rather than handling administrative tasks.
Overall, MainStreet secured about $75 million in venture capital from various investors, including SignalFire, Tusk Ventures, and others.
Employ.com acquires Mainstreet: A strategic move in fintech.
Employer.com, the workforce management titan, has just acquired MainStreet.com.
To date, MainStreet has secured around $75 million in venture capital, attracting investors including SignalFire and Tusk Ventures.
There are no jobs for MainStreet right now.
Find jobs on Simplify and start your career today
About MainStreet
Industries
Data & Analytics
Fintech
Financial Services
Company Size
51-200
Company Stage
Series A
Total Funding
$62.7M
Headquarters
San Jose, California
Founded
2019
There are no jobs for MainStreet right now.
Find jobs on Simplify and start your career today