For any LLC – whether it’s a freshly minted startup or a scaling operation with clients on three continents – a business checking account isn’t just a formality. It’s the foundation. The right account doesn’t just store your cash; it organizes your workflows, tracks your finances, and gives you the clarity to make smarter decisions.
That’s where Mercury comes in.
Ambitious companies use Mercury’s banking and software to power all financial workflows. Built with startups, scaleups, and founders in mind, Mercury is more than a checking account – it’s a full-stack financial platform designed to simplify and elevate how businesses move money, manage spend, and build for the long term.
Below, we take a closer look at what makes Mercury such a compelling option for LLCs looking to stay lean, move fast, and stay in control of their finances.
What Is Mercury?

Mercury is the fintech ambitious companies use for banking, credit cards, and all their financial workflows. It all starts with the one thing every business needs: a bank account that actually works for them – not against them.
From day one, Mercury has approached business banking differently. Instead of building another traditional banking interface, they created a modern, intuitive platform designed to get ambitious companies operating at their best. That means smart tools, fast workflows, and powerful features – without the clunky legacy systems and red tape.
Here’s the key difference: Mercury isn’t a bank. It’s a financial technology company that works with FDIC-insured partner banks to deliver core banking services. This structure gives Mercury the freedom to double down on product design, invest in engineering, and build software experiences that help businesses not just bank – but run.
Because let’s be honest: banking is only part of the equation. LLCs still need to pay vendors, send invoices, track spend, and close the books. Mercury bundles these financial workflows into one seamless platform. Their tools sync with the bank account in real-time, ensuring you’re always working from the most accurate and up-to-date view of your finances.
Everything from AI-powered bill pay to recurring invoices is built with precision – and with growth in mind.
The results speak for themselves. In March 2025, Mercury announced a $300 million Series C funding round at a $3.5 billion valuation, led by Sequoia Capital with participation from Spark Capital, Marathon, and longtime backers like Andreessen Horowitz and CRV.
Founded in 2017, Mercury now supports over 200,000 businesses across tech, e-commerce, venture capital, and more. In 2024 alone, the company posted $500 million in revenue, 40% customer growth year-over-year, and processed $156 billion in transactions – up 64% from the prior year. That kind of scale, coupled with ten consecutive profitable quarters, is rare in fintech.
Its popularity isn’t just about numbers. With a Net Promoter Score (NPS) of 75 – more than double the industry average – Mercury continues to win praise for reliability, customer experience, and the simplicity of its platform. No wonder more than half of all Y Combinator-backed startups now choose Mercury.
Inside Mercury’s Banking Stack

Mercury doesn’t just offer a business checking account – it delivers what it calls a banking stack. Think of it as an all-in-one toolkit built to simplify how companies manage money. Whether you’re a startup in stealth mode or an LLC ready to scale, the stack brings essential financial workflows under one roof.
At its core, the Mercury stack includes:
- A business checking account
- A business savings account
- Business debit cards*
- ACH and check payments
- Domestic and international wire transfers
- Digital tools and integrations that play well with the rest of your finance stack
Rather than juggling multiple platforms for basic money movement and tracking, Mercury users manage everything in one place. This kind of setup is especially valuable for LLCs – where every hour and dollar counts. With fewer handoffs, fewer tabs open, and fewer points of failure, financial operations become less of a burden and more of a strategic edge.
The stack also reflects Mercury’s broader philosophy: give ambitious companies the control and clarity they need to move fast, stay lean, and make better decisions. The platform’s tools are designed to minimize admin overhead – so founders and finance teams can focus on building, not babysitting bank accounts.
*The Mercury Debit Cards are issued by Choice Financial Group and Evolve Bank & Trust, Members FDIC, pursuant to licenses from Mastercard.
Why LLCs Benefit From Mercury’s Business Checking Account
For LLCs, managing finances isn’t just about keeping track of dollars – it’s about making every dollar work smarter. Mercury’s business checking and savings accounts are designed with that exact mindset, giving limited liability companies the tools and flexibility they need to grow confidently and stay in control.
First, there’s security. Mercury offers FDIC-insured checking and savings accounts through its partner banks, with up to $5 million in FDIC insurance** available thanks to its use of sweep networks. That’s significantly more protection than the standard $250,000, and it matters – especially for businesses handling larger balances or scaling quickly.
For idle funds, there’s also Mercury Treasury**, which provides access to SIPC-insured money market portfolios. It’s a way to earn yield on your cash while keeping funds protected – ideal for LLCs that want to build runway without leaving money stagnant.
Payments are seamless and flexible. Whether it’s ACH, wire, or check, LLCs can schedule or automate recurring payments, cutting down on manual work and the chance of error. Mercury integrates easily with tools like Xero and QuickBooks, so closing the books doesn’t have to be a fire drill.
Team management is another standout. Mercury allows LLCs to add unlimited team members, each with tailored permissions – admin, bookkeeper, or custom roles. You can set spending limits, define approval rules, and even manage purchases in real time. For example, large expenses can require multi-step approvals, while everyday spend stays fluid and controlled.
Automation ties it all together. With Mercury, you can:
- Set up auto-transfer rules between accounts
- Approve payments via Slack
- Automate payroll using wire drawdowns
- Reconcile faster with built-in accounting integrations
It’s a system that grows with your business – not one that gets in the way.
Mercury works with three FDIC-insured banks: Choice Financial Group, Column N.A., and Evolve Bank & Trust. You can view which bank your specific Mercury account is associated with by logging in and checking your account statements.
*Mercury is a fintech company, not an FDIC-insured bank. Checking and savings accounts are offered by our bank partners Choice Financial Group, Column N.A., and Evolve Bank & Trust; Members FDIC. Deposit insurance covers the failure of an insured bank. Checking and savings account deposits may be held by sweep network banks. Certain conditions must be satisfied for pass-through insurance to apply.
**Mercury Treasury, by Mercury Advisory, LLC, an SEC-registered investment adviser, seeks to earn net returns up to 4.44% annually on your idle cash. Net yield numbers as of 04/22/2025, and assumes total Mercury deposits of $20M+.
Designed for Simplicity

Let’s be honest: opening a business bank account has traditionally felt like a chore. Long forms, in-person visits, and weeks of waiting. Mercury flips that script.
Setting up a Mercury account takes about 10 minutes – no branch visits required. The onboarding is fast, fully online, and designed to get LLCs up and running without friction. Once approved, you can start spending immediately with virtual debit cards, and physical cards arrive shortly after.
The platform itself is built with the same efficiency in mind. Need to send a payment, generate an invoice, or move money between accounts? It’s all just a few clicks away. And when you’re not at your desk, Mercury’s mobile app makes sure your business banking stays accessible – and just as easy – wherever you are.
Transparent Pricing That Scales With You
One of the standout features of Mercury’s business checking account is what you don’t see: fees.
There are no monthly charges, no account minimums, no overdraft penalties, and no costs to get started. Every LLC – regardless of size or stage – gets access to Mercury’s core banking features without having to subscribe to a paid tier.
When your needs grow, Mercury’s advanced features are there to support you. Some of these extras come with fees, like:
- A 1% currency exchange fee for non-USD international wires
- 1.5% cashback on all credit card spend
- Transaction fees for non-USD business debit or credit card activity
- Premium processing for international USD wires
- Foreign currency exchange across 40+ supported currencies
That said, the pricing model is clear, competitive, and designed to scale with your business – not surprise you at the end of the month.
LLCs can also send and receive checks, initiate domestic and international wires, and manage global transactions – all from a single, unified platform.
The Bottom Line
For LLCs navigating the complexities of running a business, the right banking partner can make a world of difference. From fast onboarding and flexible permissions to integrated financial tools and transparent pricing, Mercury brings modern solutions to an outdated system.
Its platform goes far beyond a typical checking account. With real-time control, seamless payments, smart automations, and the ability to scale as your company grows, Mercury has reimagined what banking can look like for ambitious companies.
It’s worth reiterating: Mercury is a fintech company, not an FDIC-insured bank. Its business checking and savings accounts are offered through FDIC-insured partner banks. But it’s that distinction that allows Mercury to focus on building powerful, intuitive tools that give LLCs a competitive edge.
If you’re looking for the best business checking account for LLC operations – one that combines speed, security, and usability – Mercury is a strong contender. It’s not just about where your money lives; it’s about how your business moves.
This communication does not constitute an offer to sell or the solicitation of any offer to purchase any security. Funds in Mercury Treasury are subject to investment risks, including possible loss of the principal invested, and past performance is not indicative of future results. Some of the data contained in this message was obtained from sources believed to be accurate but has not been independently verified. Please see full disclosures at mercury.com/treasury. Mercury Advisory is a wholly-owned subsidiary of Mercury Technologies.
Mercury Treasury is not insured by the FDIC. Funds in Mercury Treasury are not deposits or other obligations of Choice Financial Group, Column N.A., or Evolve Bank & Trust, and are not guaranteed by Choice Financial Group, Column N.A., or Evolve Bank & Trust.






