The best banks and business accounts for startups: Choosing the right accounts from day one

For early-stage founders, the right banking partner can help you stretch every dollar, avoid unnecessary fees and friction, and consolidate the tools you’d otherwise have to stitch together. The wrong choice can leave you buried in paperwork, tied up in minimum balance requirements, or stuck using outdated systems that slow your progress.

Startups have unique needs: unpredictable cash flow, a lean team, and an urgency to move fast. Choosing the best business account comes down to more than name recognition. You’ll want to weigh factors like fee structures, access to credit, built-in services like bill pay or invoicing, digital integrations, and how scalable the platform will be as your company grows.

In this guide, we’ll compare fintechs and legacy banks — looking at their strengths, drawbacks, and who they’re suited for — so you can choose a solution that helps your startup operate at its best.

Fees and limits

Traditional banks often come with hidden charges, transaction limits, and minimum balance requirements that eat into already thin startup margins. While fintechs tend to be more transparent, it’s worth comparing not only the headline fees, but also the fine print around wires, international payments, and overdrafts.

FDIC insurance

Startups can quickly accumulate significant balances — especially after a funding round — and having those deposits protected provides peace of mind. Look for business accounts that extend FDIC coverage beyond the standard $250K, often through sweep networks across multiple partner banks.

Business credit cards

Access to credit is critical for early-stage companies. Whether you need to pay unexpected expenses while waiting on receivables or make a large upfront investment in growth, a business credit card can bridge the gap. The best options for startups don’t require a long credit history or personal guarantees, and they provide credit lines that grow as your business does.

Financial software

Founders don’t have time to juggle separate tools for bill pay, invoicing, or employee expense management. Business accounts with these workflows integrated allow you to keep everything in one place, saving both time and cost while reducing errors. This is an area where fintechs shine, as most traditional banks don’t have financial tools integrated with their business account products.

Interest rates (Annual Percentage Yield)

Earning yield may not be a top priority in the earliest days, but may quickly rise in importance as balances grow. A business account that offers yield on idle cash can help extend runway without extra effort or outsized risk.

Mobile app and user experience

Startups run lean, which means founders and finance leaders often manage accounts directly. A strong mobile app and clean, intuitive dashboard make it easier to move quickly and avoid errors. Clunky systems or branch-dependent processes can slow you down unnecessarily. 

Integrations

Connecting your business accounts to accounting software, ecommerce platforms, or payroll tools helps reduce manual work and improves accuracy. The best business accounts for startups offer modern APIs and direct integrations so your finances stay synced as you grow.

What’s the difference between fintechs and legacy banks?

At a high level, the difference comes down to how the accounts are structured. Fintechs like Mercury partner with FDIC-insured banks to deliver digital-first business accounts through intuitive software built on top of strong banking architecture. This model gives fintechs more flexibility to innovate on user experience and build in features beyond a standard checking account.

Legacy banks, on the other hand, own and operate their own accounts but rely on older infrastructure, which can make it cumbersome or difficult for customers to accomplish routine tasks.

• Fees and limits: Legacy banks tend to rely on fee-based models — monthly charges, minimum balances, transaction limits — that can add up quickly for lean startups. Fintechs usually take the opposite approach, offering no monthly fees, free transfers, and fewer deposit requirements. This can make a big difference when every dollar counts.
• FDIC insurance: FDIC insurance protects depositors' money in case of a bank failure. Legacy banks’ FDIC insurance is often limited to $250K per customer. Fintechs on the other hand generally work with their partner banks’ sweep networks to extend protection far beyond the typical $250K limit. For startups that raise a funding round and suddenly find themselves with millions in deposits, that extra coverage provides crucial peace of mind.
• Usability and digital experience: Legacy banks were built around the branch experience, and while many now offer online portals, the systems often feel clunky and outdated. Fintechs are digital-first. They focus on intuitive dashboards, clean mobile apps, and workflows designed for founders managing finances on the go.
• Financial software: Startups don’t just need a place to store money — they need tools for invoicing customers, paying bills, managing team spend, and closing the books. Fintech platforms increasingly offer these services directly inside the account, eliminating the need to juggle multiple apps. Legacy banks typically treat them as separate add-ons, if they offer them at all.
• ATM and cash access: This is one area where legacy banks still have an edge. Their nationwide branch and ATM networks make it easier to deposit or withdraw physical cash. For digital-first startups, this isn’t always a priority, but it can matter for certain business models. Fintechs often rely on third-party ATM networks with more limited access.

Which is better for startups: fintechs or legacy banks?

It depends on your priorities. If you value branch access and face-to-face service, legacy banks may still appeal. But for most early-stage companies — where speed, transparency, and consolidation matter more than tradition — fintechs often provide the flexibility and features that help founders move faster.

With so many options available, choosing the right business account can feel overwhelming. Some providers are designed for freelancers or small local shops, while others cater to high-growth startups or enterprises. To help narrow the field, here’s how the most common options stack up for early-stage founders.

Based on publicly available information as of October 2025.

Your company deserves a solution that’s easy to get started on, but powerful enough to scale as you grow. 200,000 businesses choose Mercury, due in part to an NPS score of 73 — more than double the industry average. 

With business accounts, expanded FDIC coverage through their partner banks, business credit cards you can access on day one, built-in tools like invoicing, bill pay and expense management, accounting software integrations, and access to yield and capital products built for founders, Mercury helps startups move faster without the friction of legacy systems or the limitations of shallow solutions.

And getting started is easy — you can sign up in 10 minutes, with no branch visits, minimums, or monthly fees. Learn more about Mercury for startups.