Accounting · head to head
Mercury vs Spendesk
The short version
- Only Mercury has a free tier, so it costs nothing to try first.
- Each has a real cost: Mercury treasury access requires a $250,000 balance held with Mercury; Spendesk no publicly available pricing, requires custom quote
- They diverge on capability: Mercury covers Business checking, Spendesk covers Company cards.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Mercury and Spendesk actually diverge.
Identical on both: user rating (Not yet rated), category (Accounting).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Mercury
- Business checking
- Savings accounts
- Virtual cards
- Team management
- API access
- QuickBooks
- Stripe
- FDIC insured
Only in Spendesk
- Company cards
- Expense management
- Invoice payments
- Budget management
- Spend analytics
- Sage
- NetSuite
- PCI DSS
Both cover
- Xero
- SOC 2
- Web support
- Ios support
- Android support
What people use each for
The jobs each tool is most often brought in to do.
Mercury
- Business banking and payments for startupsnot Spendesk
- Managing treasury, invoicing and corporate cards from one accountnot Spendesk
Spendesk
- Expense managementnot Mercury
- Spend controlnot Mercury
- Finance automationnot Mercury
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Mercury
- Treasury access requires a $250,000 balance held with Mercury
- Non USD international wires carry a 1% conversion fee
- Choosing OUR wire coding, which covers intermediary bank charges, costs $15 per wire
- ACH invoicing is $1 per transaction on Mercury Plus and only free on the $299 a month Pro plan
- Advanced and recurring invoicing require Mercury Plus at $29.90 a month
Spendesk
- No publicly available pricing, requires custom quote
- Strong European presence but limited in some non-EU markets
- High implementation costs due to extensive integration requirements
Pricing, plan by plan
Mercury
Free- Mercury (Free)Free
- ACH payments
- Domestic wires
- Real-time payments
- Mercury Plus$29.9/month
- Invoice ACH debits
- Recurring invoices
- Invoicing API (500/month)
- Mercury Pro$299/month
- All Plus features
- Relationship manager
- Free ACH invoice debits
Spendesk
$29/month- EssentialsFree
- Virtual cards
- Expense tracking
- Approvals
Which should you pick?
Choose Mercury if
- You need business checking.
- You want to start without paying.
- You work on Web, Ios, Android.
- You also want savings accounts.
Choose Spendesk if
- You need company cards.
- You work on Web, Mobile iOS, Mobile Android.
- You also want expense management.
Questions people ask
- Is Mercury or Spendesk better?
- Neither clearly leads. Mercury starts at Free and Spendesk at $29/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Mercury or Spendesk?
- Mercury has a free tier; the other does not. Paid plans start at Free for Mercury and $29/month for Spendesk.
- Does Mercury or Spendesk run on more platforms?
- Mercury runs on Web, Ios, Android. Spendesk runs on Web, Mobile iOS, Mobile Android.
- Can I use Mercury for free?
- Yes. Mercury has a free tier, so you can try it without paying. Spendesk starts at $29/month.
- What is Mercury best used for?
- Mercury is most often used for business banking and payments for startups, managing treasury, invoicing and corporate cards from one account. Of those, business banking and payments for startups and managing treasury, invoicing and corporate cards from one account are not what Spendesk is typically brought in for.
- What can Mercury do that Spendesk cannot?
- Mercury covers Business checking, Savings accounts, Virtual cards, Team management. Spendesk covers Company cards, Expense management, Invoice payments, Budget management. Both handle Xero, SOC 2, Web support, Ios support.
Answered from the vendors’ own pages
Mercury: Is Mercury business banking free?
Mercury's base banking tier is free and includes ACH payments, domestic wire transfers, real-time payments, Bill Pay, and QuickBooks/Xero automations at no monthly cost.
SourceSpendesk: What is included in Spendesk's platform?
Spendesk combines corporate cards, a mobile receipts app, approval workflows, automated reconciliation, accounts payable, procurement, and spend controls into one platform.
SourceMercury: What does Mercury Plus add beyond the free tier?
Mercury Plus costs $29.90 per month and adds invoice ACH debits, recurring invoice capabilities, invoicing API with 500 calls per month, unlimited 1099 filings, and access to partner benefits.
SourceSpendesk: How does Spendesk handle expense receipts?
Spendesk captures receipts via mobile photo upload with OCR technology, automatically matching receipts to transactions and generating automated expense reports with 98% of expense receipts collected on time.
SourceMercury: Does Mercury charge monthly account fees?
No, Mercury states there are no minimum account balance requirements, overdraft fees, required monthly fees, or account opening fees. The free tier includes essential business banking, with paid tiers available for additional features.
SourceSpendesk: What integrations does Spendesk offer?
Spendesk integrates with accounting software including Sage, Xero, NetSuite, and SAP, plus HR systems and tools like Slack for comprehensive spend management.
SourceSpendesk: Is Spendesk profitable?
Yes. Spendesk became the first spend management platform to reach profitability in 2025, processing over £10 billion in spend across 35+ countries.
SourceSpendesk: What is Spendesk's valuation?
Spendesk is a unicorn company with a valuation of $1.5 billion, with 2025 revenue of $52 million ARR.
SourceSpendesk: How much time can Spendesk save on bookkeeping?
Organizations using Spendesk save an average of 4 days per month on bookkeeping, equivalent to over 380 hours per year returned to the business.
SourceRelated pages
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- Spendesk vs Plaid
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- Spendesk vs Happay
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- Spendesk vs Zuora
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