FDIC-insured up to $250,000 · Member Piermont Bank

A business bank account that finally feels like software.

Checking, treasury, virtual cards, and ACH in one console designed for founders who'd rather ship than chase wire confirmations. Open in 8 minutes from a laptop.

FDIC · 250K · SOC 2 Type II · PCI-DSS 4.0 · Audited by Withum 2025
cargo-studio · checking
⌘K
Checking · ••••4408
$148,408.22
Updated 4s ago · +$4,128.50 today
7-day cashflow+8.4%
Date
Merchant
Category
Amount
May 18
Anthropic — Claude Team
AI · SaaS
−$408.00
May 17
Folio Capital — Wire IN
Investor
+$50,000.00
May 17
Stripe — Payouts
Revenue
+$12,408.50
May 16
ACH — Gusto Payroll
Payroll
−$34,728.18
May 16
Card · Marcus T. — AWS
Infra
−$1,284.42
Used by 8,408 founders building the next of these
Cargo Folio LINNEA Stratos QUARTERMAST Halcyon cobalt◆ ATRIUM
FDIC INSURED · 250,000 SOC 2 TYPE II PCI-DSS LEVEL 1 AUDITED BY WITHUM NACHA OPERATING RULES 2024
Treasury

Idle cash that earns while it waits.

Sweep your operating buffer into a money-market sub-account that yields 4.42% APY, daily compounding. Pull funds back to checking in under 12 seconds — no maturity calendar to memorize.

Treasury sub-account · ••••8214
$1,408,217.04
Current APY
4.42%
Yield earned · last 30 days +$4,832.18
Apr 18May 18
Maturity
Continuous
Compound
Daily
To checking
P95 11s
Instant transfer
From
Treasury · ••••8214
To
Checking · ••••4408
Amount
$50,000.00
Settles in ~11s · No fee · No lockup
Yield (30d)+$4,832.18
Yield (YTD)+$28,408.04
Mgmt fee0.08%
Inside the account

Everything a finance hire would have built if you had one.

Cards with the right limits

Virtual + physical cards with merchant locking, category caps, and per-employee budgets. Freeze in one keystroke. Reissue without calling anyone.

  • Unlimited virtual cards, no per-card fee
  • Vendor-scoped: card only works at Anthropic.com
  • 1.4% cashback on software spend
  • Apple/Google Pay on day one

Wires & ACH that just go

Same-day ACH up to $1M. Domestic wires until 5pm ET. International wires to 84 countries with quoted FX before you send — not after.

  • Same-day ACH cutoff at 4:45pm ET
  • Wire confirmations push to Slack in 11s
  • FX spread 0.40% (Wise-grade, not bank-grade)
  • ACH file upload + CSV for payroll

Permissions that match your org

Roles that match Notion, not 1998. Initiator/approver split, per-vendor approval thresholds, full audit trail exportable to your auditor in a single CSV.

  • SCIM + Google Workspace SSO
  • Approval flows: $1k / $10k / $100k tiers
  • Audit log retained 7 years, exportable
  • Sandbox API for staging environments
Avg monthly fees
$0
vs industry $48
Treasury APY
4.42%
daily compounding
Instant transfer P95
12s
checking ↔ treasury
Founders served
28,408
since launch in 2023
Pricing

Two products. Zero junk fees.

Pick one, both, or start with checking and add treasury later. We make money on interchange and the spread between what the MMF earns and what we pay you.

Checking
Most founders start here
$0
/ month
with $1,000 min balance · $4/mo below
Open checking
  • Unlimited ACH in/out
  • Free domestic wires (up to 4/mo)
  • International wires at 0.40% FX
  • Unlimited virtual + physical cards
  • 1.4% cashback on software, 0.8% all else
  • SSO, SCIM, audit log, API
What you won't pay for
· monthly fee· ACH return· statement· card replacement
Customer · 2025
"We moved from a Big Bank that took 4 days to wire payroll to Reservoir, which clears it in 11 seconds. The treasury sweep alone made us $4,408 in interest in 2025 — that's a designer's monthly retainer, earned by money that used to sit there."
EC
Elena Cardoso
Founder & CEO · Cargo Studio · 4-person design agency, NYC
Earned in interest
+$4,408
Wire time
11s
Fees paid 2025
$0
Security

Money sits at the bank. We're the interface.

Reservoir is a financial-technology company, not a bank. Deposits are held at Piermont Bank (Member FDIC) and other partner institutions, which carry the FDIC insurance and the obligation to return your funds — including if Reservoir itself goes away.

Funds segregation. Your balance is held in custody at Piermont Bank — never commingled with Reservoir operating cash.
Encryption everywhere. TLS 1.3 in transit, AES-256-GCM at rest, hardware-backed KMS for keys.
Multi-party fund control. Wires > $25k require approver from a different IP. Step-up with WebAuthn.
Audits, in public. SOC 2 Type II annually by Withum. Reports available under NDA from your Reservoir contact.
Compliance posture · live
SOC 2 Type II
Withum · 12-month observation
Current
PCI-DSS 4.0
Coalfire · Level 1
Current
NACHA Rules 2024
ACH originator audit
Passed Q1
Penetration test
Doyensec · biannual
2026-03-14
Bug bounty
HackerOne · max $48,000
Public
Reservoir, Inc. is a financial technology company and is not a bank. Banking services are provided by Piermont Bank, Member FDIC. Deposits insured up to $250,000 per account category, per partner bank.

Questions a CFO would ask, answered properly.

Is my money FDIC-insured, and to what limit? +
Yes. Deposits in your Reservoir checking account are held at Piermont Bank, Member FDIC, and are insured up to $250,000 per depositor, per account category. With our sweep network we can extend coverage to $4M across partner banks at no extra cost. Treasury balances are not FDIC-insured — they're held in a money-market fund of short-term US Treasuries and carry SIPC coverage up to $500k via our custodian.
What's the difference between sweep treasury and a high-yield savings account — do I lose access? +
Practically, no. Funds in treasury are invested in a money-market fund holding short-duration US Treasury Bills. You can transfer back to checking 24/7 at P95 11 seconds, including weekends. No lockup, no maturity penalty. The only constraint: large redemptions over $5M in a single day are settled T+1 to avoid forcing a fire-sale on the underlying paper.
How do you make money if there are no monthly fees? +
Three sources: interchange revenue from card transactions (roughly 1.6% of swiped volume, split with the issuing bank), the 0.08% management fee on Treasury, and the spread between our partner bank's deposit rate and what we pay you (presently ~0.40%). We publish the full breakdown in our annual transparency letter — last one is at reservoir.com/transparency/2025.
Can I receive international wires, and what's the FX spread? +
Yes — we support inbound wires from 84 countries in 23 currencies. FX is auto-converted to USD at 0.40% above the mid-market rate (Wise-grade, not bank-grade). Outbound international wires settle in 1-2 business days for EU/UK, 2-3 days for everywhere else. We show you the locked FX rate before you confirm, so the dollar amount on your end is the dollar amount that arrives.
What happens to my money if Reservoir shuts down? +
Your money never sits with Reservoir — it's held in custody at Piermont Bank, which has the FDIC obligation. If Reservoir went away, Piermont would return funds to you directly via the existing routing/account numbers on file. Treasury balances would be redeemed at the MMF's NAV and returned by the custodian within 5 business days. We document the wind-down playbook in our SOC 2 report under Continuity Plan §4.2.

Open an account in eight minutes.

EIN, government ID, and your beneficial owners — that's the list. Your first wire can go out today.

NO PERSONAL CREDIT CHECK· NO MIN DEPOSIT· U.S. ENTITIES ONLY · TODAY