Lili
Lili is an award-winning online banking platform for U.S. small businesses—built for speed, clarity, and control.
177 employees · est. 2018 · New York, United States
Mainstreet
Streamline your bookkeeping, discover hidden tax credits, and manage your finances with our AI-powered platform.
63 employees · est. 2019 · San Francisco, United States
Lili is the older company (2018 vs 2019).
Side-by-Side Comparison
| Metric | Lili | Mainstreet |
|---|---|---|
| Founded | ||
| Founded | 2018 older | 2019 |
| Headquarters | ||
| Headquarters | New York, United States | San Francisco, United States |
| Employees | ||
| Employees | 177 | 63 |
| Industry | ||
| Industry | Financial Services, Fintech, Banking | Financial Services, Fintech, Banking |
| Funding Stage | ||
| Funding Stage | Series B | Series B |
| Total Funding | ||
| Total Funding | $83.00M | $64.65M |
| Funding Rounds | ||
| Funding Rounds | 5 | 4 |
| Services | ||
| Services | Business Checking, High-Yield Savings, International Wire Transfers, Credit-Building Program, Financial Tools, Invoicing Software, Bill Pay, Smart Bookkeeping, Express ACH | Automated bookkeeping, Tax credit identification and claiming, Business entity formation and compliance, Tax preparation and advisory, Payroll and employee benefits management, Expense management with corporate cards |
| Target Customers | ||
| Target Customers | Small Business Owners, Startups, Entrepreneurs, E-commerce Businesses, Accountants | Small businesses, Entrepreneurs, Startups, Freelancers, Consultants |
| Taxonomy | ||
| Taxonomy | Online Banking, Small Business Banking, Freelancer Financial Services, Real-time Expense Tracking, Tax Management Tools, Financial Insights, Human-centered Design, Customer Support, Core Banking Services, Fast Payments, Financial Infrastructure, Business Scalability, Financial Health Tools | AI-powered Financial Platform, Bookkeeping Automation, Tax Credit Discovery, Small Business Support, Back Office Solutions, Government Incentives, Financial Management, Tax Preparation, Entity Formation, Compliance Management, Payroll Integration, Accounting Systems, Legal Workflow Management, Success-based Pricing, Venture-backed Startup |
| Website | ||
| Website | lili.co | mainstreet.com |
About Lili
Lili is an award-winning online banking platform designed specifically for U.S. small businesses. Founded in 2018, Lili promises speed, clarity, and control, enabling businesses to smoothly transition from startup to multi-employee operations. Positioned at the intersection of Financial Services, F...
About Mainstreet
Mainstreet is a promising player in the Fintech and Financial Services sectors, offering an AI-powered platform designed to assist small businesses in streamlining bookkeeping, discovering hidden tax credits, and managing finances efficiently. Established in 2019, the company seeks to provide the k...
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BounceWatch watches Lili and Mainstreet for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at Lili and Mainstreet — by email.
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Compiled from the BounceWatch company index. We last looked at Lili on 30 Mar 2026, and Mainstreet on 19 Feb 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.