Rho vs Mercury: Which startup bank fits your stage?

Rho and Mercury are the two platforms most startups shortlist for business banking. Neither is a bank; both partner with FDIC-insured institutions. Here’s how they differ on pricing, yield, and support, by stage.

Why startups choose Rho over Mercury

Rho scales with your business fast, no extra software fees and no paywalls blocking your momentum.

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One platform, no tiers

Rho gives you banking, cards, expense management, AP, invoicing, and treasury in one platform at $0. No Plus tier at $35. No Pro tier at $350. No paywall between you and the features your team needs to scale.

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Real yield, multi-asset

Earn competitive net yield on idle cash with T-Bills, Vanguard VFSTX, and Morgan Stanley MULSX, held together in the mix that fits your runway. Rho rebalances automatically. Mercury Treasury starts at a $250K minimum and carries a monthly fee of 0.15% to 0.60% based on balances (mercury.com, as of 08/17/2026).

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Humans, not tiers

Every Rho account gets 24/7 human support: a real person by phone or in-app chat, included free on every tier. Mercury's pricing page lists no phone support option on any tier (mercury.com/pricing, as of 08/17/2026), and dedicated relationship managers start at Mercury Pro, from $299/mo billed annually ($350/mo monthly), or with a $10M+ balance.

Compare Rho vs. Mercury

See how Rho and Mercury stack up on fees, support, and scale.

FDIC coverage structure

Checking insured up to the standard $250K through Webster Bank, a division of Santander Bank, N.A., Member FDIC. Savings eligible for up to $75M in FDIC deposit insurance per depositor through American Deposit Management Co. and its partner banks (a network of 400+ insured institutions), subject to FDIC requirements.

Savings yield

Up to 1.00% yield on Rho Business Savings (variable, as of 08/17/2026); withdrawals to checking settle within 2 business days.

Treasury

Rho Treasury, $50K minimum. Rates are variable; current rates at rho.co/treasury. Investments are not FDIC insured.

Monthly fee

$0. No paid software tiers.

Card cashback

Up to 2% cashback with Rho Platinum (terms apply), on up to $1M in eligible annual card spend; standard Daily Terms rate 1.25%.

Bill pay

Included, with AP automation and accounting sync.

Accounting integrations

NetSuite, QuickBooks, and Sage Intacct integrations included.

Multi-entity support

Multi-entity banking supported on one platform; users can switch between organizations and entities in Rho (rho.co, as of 08/17/2026).

FDIC coverage structure

Savings yield

Treasury

Monthly fee

Card cashback

Bill pay

Accounting integrations

Multi-entity support

Last verified August 17, 2026. Every figure comes from Rho's and Mercury's public pages as of that date; rates and terms change, so check each provider's site for current numbers. Up to 2% Cashback with Rho Platinum on up to $1M in eligible annual card spend; standard rates 1.25% (Daily Terms) and 1% (Monthly Terms); terms and conditions apply. All product names, logos, and brands are property of their respective owners and are used for identification purposes only; use does not imply affiliation or endorsement.

Meet our customers

The fastest way to start. The smartest way to scale.

Rho gives you cards, AP, expenses, banking, and yield in one platform with no hidden fees or point games.

Set up banking, treasury & cards fast

Every Rho customer gets instant access to real humans who know your business with typical response times under a minute so you never stall your momentum.

Rendered Graph with Rho Credit Card sample

Dedicated support for founders

Every Rho customer gets fast, human support with real operators who can solve AP, card, and banking issues in minutes, not ticket queues.

Eliminate expense admin

Rho Expenses handles reimbursements and organizes every transaction in real time so you stay compliant without extra tools or busywork.

Expense Detail drawer

Pay vendors without friction

Rho Bill Pay scans invoices with AI, route approvals automatically, and moves money directly from your Rho accounts without the chase.

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Close the books faster

Rho Accounting connects banking, cards, and treasury so your books stay clean, synced, and audit ready without manual cleanup.

Vendor Icon list

Set up banking, treasury & cards fast

Every Rho customer gets instant access to real humans who know your business with typical response times under a minute so you never stall your momentum.

Rendered Graph with Rho Credit Card sample

Dedicated support for founders

Every Rho customer gets fast, human support with real operators who can solve AP, card, and banking issues in minutes, not ticket queues.

Eliminate expense admin

Rho Expenses handles reimbursements and organizes every transaction in real time so you stay compliant without extra tools or busywork.

Expense Detail drawer

Pay vendors without friction

Rho Bill Pay scans invoices with AI, route approvals automatically, and moves money directly from your Rho accounts without the chase.

Domestic wire summary for one hundred dollars showing the transfer moving from Acme, Inc to Slack.

Close the books faster

Rho Accounting connects banking, cards, and treasury so your books stay clean, synced, and audit ready without manual cleanup.

Vendor Icon list

Backed by our people, in your corner 24/7

We show up fast, solve what matters, and obsess over you winning.

FAQs

General

Evaluate both the same way: identify the chartered banks holding the deposits and the FDIC structure. Rho checking is held at Webster Bank, a division of Santander Bank, N.A., Member FDIC, insured up to the standard $250K, and Rho savings is eligible for up to $75M in FDIC deposit insurance per depositor through American Deposit Management Co. and its partner banks, subject to FDIC requirements. Mercury deposits are held at Choice Financial Group and Column N.A., Members FDIC, with up to $5M in coverage through their sweep networks. FDIC insurance at either platform protects against the failure of an insured bank holding your deposit; it does not protect against the failure of Rho or Mercury themselves.

It depends on your balance. Rho Business Savings pays up to 1.00% (variable, as of 08/17/2026); withdrawals to checking settle within 2 business days. For larger balances, Rho Treasury opens at $50K and Mercury Treasury at $250K, so between $50K and $250K only Rho offers treasury yield. Both treasury products carry variable rates that change frequently, so compare current rates at rho.co/treasury and mercury.com rather than relying on any static figure. Treasury investments are not FDIC insured at either provider.

Yes. Opening a Rho account takes less than 10 minutes, and Rho's team assists with migration, including moving balances, updating payment rails, and recreating vendor and payroll flows. Most companies run both accounts in parallel for a billing cycle before closing the old one.

Mercury's core tier is free. Paid tiers are Mercury Plus at $35/mo and Mercury Pro at $350/mo, or $29.90 and $299 with annual billing, which is the pricing page's default display (mercury.com/pricing, as of 08/17/2026). Rho has no monthly software fee at any tier.

Mercury pays 1.5% cashback on the IO card. Rho pays 1.25% standard on the Rho Card with Daily Terms (1% on Monthly Terms), and up to 2% with Rho Platinum (terms apply) on up to $1M in eligible annual card spend.

If you want a purely self-serve account for a small, simple operation and do not expect to need phone support or treasury yield below a $250K balance, Mercury's free tier is a fit. If you are starting a company, Rho gets you from incorporation to a bank account in one flow, with phone support and Treasury from $50K from day one.

We’re ready

when you are.

Rho is a fintech company, not a bank. Checking and card services provided by Webster Bank, a division of Santander Bank, N.A., member FDIC, and by Lead Bank, Member FDIC; savings account services provided by American Deposit Management Co. and its partner banks.

Rho dashboard showing a treasury account with portfolio composition, a software expenses card, and a payment confirmation.
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