Shield vs Mercury for a cross-border wholesale business
For a cross-border wholesale business, choose Shield when you pay suppliers abroad or get paid in USDT.
- Choose Shield if you pay suppliers in USD or USDT, accept USDT from buyers. The business credit card does not require a personal credit check or a personal guarantee to apply.
- Mercury may suit you if you run a US-formed company that only needs a USD account and has no use for stablecoins.
As of October 2026.
Where Shield is stronger for trade businesses
Stablecoin payments
Shield supports stablecoin payments. Shield sends USDT or USD to saved suppliers and accepts USDT from buyers. Mercury's crypto FAQ answers "Can I hold crypto in my Mercury account?" with "No, not at this time. Mercury accounts can currently only hold fiat." (mercury.com/web3) As of October 2026.
Get paid in USDT
"Your Shield account accepts USDT from any sender. All inbound transactions are screened before funds are credited to your balance." When a buyer pays in USDT, "Funds settle same day for payments before 4 PM ET." Convert to USD and withdraw to your bank when you are ready. (Shield business accounts)
Get paid in your buyers' currencies
"Your customers pay in their own currency." Shield "converts to USD at a transparent, volume-based rate", and you see the rate before each conversion. (Shield foreign exchange)
A business credit card for supplier spend
Shield evaluates company revenue, cashflow, reserves and operating history. No personal credit score check and no personal guarantee are required to apply. Qualified businesses may be eligible for five- to seven-figure credit limits, eligible business purchases earn the standard 1% base rate in cashback, and "There are no upfront fees or subscription fees for cardholders." (Shield Cards)
Track record
As of October 2026, Shield reports $600M+ in payment volume, 10,000+ transactions and 120+ countries. Shield is a FinCEN-registered MSB.
What is Shield, and what is Mercury?
- Shield
- Shield is a business account built for international trade, for importers, exporters, wholesalers and distributors. A Shield account "supports USD and USDT balances, US routing and account numbers, wire and ACH transfers, and digital currency transactions" (Shield business accounts). You can pay suppliers by wire (domestic and international SWIFT) or stablecoin, convert between USD, USDT and 40+ currencies, and apply for Shield Cards, a business credit card. Shield Security, Inc. is a financial technology company, not a bank, and is a FinCEN-registered MSB. Money transmission services are provided by Bridge Building Inc. NMLS # 2450917 and other licensed providers.
- Mercury, as of October 2026
- Mercury, as its own pages describe it (checked 10/23/2026, as of October 2026): business banking for companies "formed and registered in the United States or a U.S. territory" (mercury.com/business-banking), sending money in USD "via wire, ACH, check, and real-time payment" (mercury.com), and accounts that "can currently only hold fiat" (mercury.com/web3).
The same job in both products: pay a $50,000 supplier invoice abroad
On Shield
- Save the supplier. "Store and manage your supplier and buyer details in one place."
- Choose how the supplier is paid. Shield supports wire payouts, both domestic and international (SWIFT), and stablecoin payments . You can "Initiate outbound USDT or USD payments to saved counterparties without re-entering details each time."
- Send it from your balance. Send the wire or stablecoin payment from your Shield balance.
- Send before the cutoff. Wires are same-day when the payment arrives before the 4pm ET wire cutoff.
- Track it. "Monitor the status of every payment from your Shield dashboard and mobile app." "Audit-ready transaction history and invoices can be downloaded from your account."
Ask our team how payment approvals would be set up for your business.
On Mercury, as of October 2026
- Add the supplier. "You can enter their payment details directly, or invite them to fill out their own information via a secure link". Suppliers "do not need to open a Mercury account". (business-payments)
- Pick the currency. "You can convert USD to one of 40+ supported local currencies when sending an international wire on Mercury." Fees are in the table below.
- Approve. "You can set approval policies based on dollar amounts and choose who can approve payments."
- Wait for delivery. Mercury's pricing page lists USD international wires at 1 to 3 business days (pricing).
Shield vs Mercury, side by side
| Topic | Shield | Mercury, as of October 2026 |
|---|---|---|
| Who can open an account | "Real US account & routing numbers for your US company." Owners can live outside the US, with a US company. Account opening is subject to compliance review. (Shield business accounts) | Customers "must be formed and registered in the United States or a U.S. territory" (business-banking). |
| Payment rails | Wires, domestic and international (SWIFT). ACH transfers. Stablecoin payments. | Send money in USD "via wire, ACH, check, and real-time payment" (mercury.com), plus international wires in USD or a local currency (business-payments). |
| Stablecoin support | Yes. Shield supports stablecoin payments. Send USDT or USD to saved suppliers, and receive USDT: "Your Shield account accepts USDT from any sender." (USDT payments) | Not offered. "No, not at this time. Mercury accounts can currently only hold fiat." (mercury.com/web3) |
| Getting paid by buyers abroad | USDT from buyers: "Buyers send USDT directly to your Shield account. Funds settle same day for payments before 4 PM ET." Local currencies: "Your customers pay in their own currency." Shield "converts to USD at a transparent, volume-based rate." (foreign exchange) | Receiving in USDT is not offered (see stablecoin row). |
| Currencies | "Convert between USD, USDT, and 40+ currencies at competitive rates." You see the rate before each conversion, "with no hidden markups." (foreign exchange) | "You can convert USD to one of 40+ supported local currencies when sending an international wire on Mercury." (business-payments) |
| International payouts | 120+ countries (Shield's reported coverage). | 200+ "Countries and regions supported" (business-payments). |
| Business credit card | Business credit cards (Shield Cards): virtual and physical cards; 5-7 figure limits; decisions within hours; no personal credit score check and no personal guarantee required to apply; no upfront or subscription fees for cardholders; no interest, since it is a pay-in-full card (the statement balance is paid in full each month); 1% base cashback on eligible business purchases; QuickBooks integration for card transactions. Designed for U.S. businesses with recurring supplier, inventory, logistics, advertising, or operational spend; eligibility is based on factors including company revenue, cashflow, and account history. (Shield Cards) | "Virtual and physical debit & credit cards" (business-banking). "Earn 1.5% cashback on credit card spend" (mercury.com). |
| Onboarding | "Apply online, provide your business details, and complete a compliance review. Most accounts are approved within one business day." | "Open your account in 10 minutes or less". Documents listed: "your company’s official formation documents, your IRS-issued EIN document, and a government ID". (business-banking) |
| Wire timing | Wires are same-day when the payment arrives before the 4pm ET wire cutoff. | USD international wires: 1 to 3 business days (pricing). |
| Fees | No upfront or maintenance fees; a percentage on international and FX payments, tiered by monthly volume. Our team confirms your exact rate. | USD international wires: "you have the option to send USD international wires for free"; that option, "while free to you, may result in intermediary bank fees", or you can "pay a flat fee of $15 so that any intermediary fees will be charged back to Mercury". Non-USD international wires: "1% currency exchange fee". Non-USD card transactions: "3% currency exchange fee". "If your company is exchanging >$200K, reach out to us to chat about fees." Paid plans are optional: "Anyone can send payments from their account without subscribing to a paid plan." (pricing). "$0 to send money in USD via wire, ACH, check, and real-time payment." (mercury.com). |
Moving your payments to Shield
Suppliers
Export your supplier list from your current provider: name, country, payout details and currency. In Shield you "Store and manage your supplier and buyer details in one place."
Payment history
Download statements and payment records from your current provider before you close anything, and keep them for audit. On Shield, "Audit-ready transaction history and invoices can be downloaded from your account."
Accounting
For card spend, "Shield cards include a QuickBooks integration, so transactions sync directly into your books." Check that the first week of entries lands in the right ledger accounts.
Test first
Send one small live payment to a supplier you talk to often. Confirm the amount received and the time it took, then move the larger payments.
Questions about Shield vs Mercury
Is Shield a bank?
No. Shield Security, Inc. is a financial technology company, not a bank. Money transmission services are provided by Bridge Building Inc. NMLS # 2450917 and other licensed providers. Shield is a FinCEN-registered MSB.
Does Shield support stablecoin payments?
Yes. Shield supports stablecoin payments. You can send USDT or USD to saved suppliers and receive USDT from buyers. For Mercury, see the stablecoin row in the side-by-side table above.
How do I pay an overseas supplier with Shield?
Save the supplier once, then send a wire (domestic or international SWIFT) or a stablecoin payment from your Shield balance. You can "Initiate outbound USDT or USD payments to saved counterparties without re-entering details each time." Wires are same-day when the payment arrives before the 4pm ET wire cutoff.
Can my buyers pay me in USDT?
Yes. "Your Shield account accepts USDT from any sender. All inbound transactions are screened before funds are credited to your balance." You can convert to USD and withdraw to your bank when you are ready (Shield business accounts).
Can a company outside the US open a Shield account?
It can apply. Shield gives you "Real US account & routing numbers for your US company." Owners can live outside the US, with a US company. Account opening is subject to compliance review and eligibility assessment.
Does Shield offer a business credit card?
Yes. Shield Cards are business credit cards, virtual and physical. No personal credit score check and no personal guarantee are required to apply. Qualified businesses may be eligible for five- to seven-figure credit limits, eligible business purchases earn the standard 1% base rate in cashback, and there are no upfront or subscription fees for cardholders. It is a pay-in-full card, so there is no interest. Shield Cards are designed for U.S. businesses with recurring supplier, inventory, logistics, advertising, or operational spend. Details are on the Shield Cards page.
How does Shield price international and FX payments?
No upfront or maintenance fees; a percentage on international and FX payments, tiered by monthly volume. Our team confirms your exact rate. Mercury's published fees are in the side-by-side table above.
How long does it take to open a Shield account?
"Apply online, provide your business details, and complete a compliance review. Most accounts are approved within one business day."
What is Shield's track record?
As of October 2026, Shield reports $600M+ in payment volume, 10,000+ transactions and 120+ countries, and is a FinCEN-registered MSB.
How we compared
Shield wrote this page. Everything about Mercury comes from Mercury's own public pages (homepage, business banking, business payments, pricing and crypto FAQ), checked 10/23/2026 and quoted word for word with a link. Competitor facts are as of October 2026. Everything about Shield comes from Shield's own site. We did not open an account or send a payment with either product. Mercury's published fees are listed in the side-by-side table.
Price your supplier payments with our team
Tell us where your suppliers are and how much you send each month. We will walk you through how the payments would run on Shield.
Shield Security, Inc. is a financial technology company, not a bank.
Money transmission services are provided by Bridge Building Inc. NMLS # 2450917 and other licensed providers.
Shield partners with CapitalOS for Shield Cards. Cards are issued by First Internet Bank of Indiana, pursuant to a license from Visa Inc.