Independent Audit Report
Carta
VS
Plastiq

A comprehensive 20-point independent audit covering fees, FX rates, settlement architecture, regulatory standing, customer protection, and real-world performance benchmarks.

20 Audit Criteria Independent Analysis Current Verified Data Live Benchmarks
Carta
Equity Management & Private Securities Platform
Best For Startups, VCs, and employees wanting cap table management, 409A valuat
Core Fee Company plans from $2,400/year; fund administration from $12
Settlement Digital equity issuance in minutes; electronic exercise of s
Visit Carta ↗
Plastiq
Credit Card Bill Pay & Business Payables Platform
Best For Small business owners and consumers wanting to pay rent, mortgage, inv
Core Fee 2.99% per transaction for credit and debit cards; ACH transf
Settlement ACH bank transfers typically 1–3 business days; wire transfe
Visit Plastiq ↗
Full 20-Point Audit Matrix
Verified current data across all key decision criteria
20 Criteria Compared
Audit Criterion Carta Plastiq
WealthBlueprint RatingOverall score vs. all reviewed platforms (out of 5 stars)
5/5
Carta: rated on fees, features, safety & ease of use
3/5
Plastiq: rated on fees, features, safety & ease of use
Transaction FeesPer-transfer costs, domestic & international
Company plans from $2,400/year; fund administration from $12,000/year; CartaX private securities marketplace fees vary by transaction size 2.99% per transaction for credit and debit cards; ACH transfers $0.99/payment; check delivery $1.49/payment; no monthly subscription or setup fees
FX / Conversion SpreadMarkup above mid-market exchange rate
Carta charges a conversion fee based on the currency pair and transfer amount. Always verify the all-in rate before sending.
Always check the live rate in the app
Plastiq charges a conversion fee based on the currency pair and transfer amount. Always verify the all-in rate before sending.
Always check the live rate in the app
Account MaintenanceMonthly or annual account-keeping charges
Carta applies account maintenance charges as described in its fee schedule. Pricing may vary by region.
Fees subject to change — verify before signing up
No monthly fees — Plastiq does not charge recurring maintenance fees.
Fees subject to change — verify before signing up
Card Issuance FeesVirtual and physical card creation costs
Carta does not primarily offer physical cards — access is digital-first.
Check Carta app for current card fees
Plastiq offers virtual cards. Check the Plastiq app under card settings for current issuance fees.
Check Plastiq app for current card fees
Domestic SettlementLocal bank transfer completion time
Carta
Digital equity issuance in minutes; electronic exercise of s
VS
Plastiq
ACH bank transfers typically 1–3 business days; wire transfe
Both platforms offer comparable settlement speeds.
Cross-Border SpeedInternational corridor settlement time
Carta supports cross-border transfers via its payment rails. Actual delivery depends on the receiving bank and any compliance holds.
Check the app for live estimates
Plastiq supports cross-border transfers via its payment rails. Actual delivery depends on the receiving bank and any compliance holds.
Check the app for live estimates
Uptime / ReliabilityReported annual platform availability rate
Carta publishes service status updates on its official status page for transparency.
Check Carta status page for incident history
Plastiq publishes service status updates on its official status page for transparency.
Check Plastiq status page for incident history
Regulatory LicensesGoverning bodies and jurisdictions
SEC-registered transfer agent and broker-dealer; FINRA member; SOC 2 Type II certified; 256-bit encryption; manages $2.7T+ in equity for 40,000+ companies
✓ Licensed
PCI DSS compliant; filed Chapter 11 bankruptcy in May 2023 but continues operating; blocks payments flagged as potential cash advances; SOC-compliant infrastructure
✓ Licensed
Deposit InsuranceGovernment-backed protection scheme
Carta holds funds with regulated partner banks. Deposit insurance coverage may apply.
Verify current coverage directly with Carta
Plastiq holds funds with regulated partner banks. Deposit insurance coverage may apply.
Verify current coverage directly with Plastiq
2FA & AuthenticationMulti-factor security implementation
Carta supports 2FA via authenticator app or SMS. Check security settings for available methods.
Enable 2FA immediately after opening your account
Plastiq supports 2FA via authenticator app or SMS. Check security settings for available methods.
Enable 2FA immediately after opening your account
Fraud DetectionAI/ML-powered transaction monitoring
Carta employs automated transaction monitoring. Suspicious activity triggers alerts and temporary holds.
✓ Real-time monitoring
Plastiq employs automated transaction monitoring. Suspicious activity triggers alerts and temporary holds.
✓ Real-time monitoring
Ideal Use CasePrimary audience and core value proposition
Carta
Startups, VCs, and employees wanting cap table management, 409A valuations, equity plan administration, and access to private company secondary markets
Plastiq
Small business owners and consumers wanting to pay rent, mortgage, invoices, tuition, and vendor bills via credit card to earn rewards or extend cash flow by 45–55 days
Platform ClassificationRegulatory and product category
Equity Management & Private Securities Platform Credit Card Bill Pay & Business Payables Platform
Withdrawal LimitsDaily / weekly transfer and cash-out caps
Carta withdrawal limits vary by account type and KYC level.
Log in to see your current limits
Plastiq applies tiered withdrawal limits based on your KYC verification level and business activity.
Log in to see your current limits
Supported CurrenciesFiat and digital asset coverage
Carta supports the currencies and assets listed in its official documentation.
Check Carta official site for full currency list
Plastiq supports the currencies and assets listed in its official documentation.
Check Plastiq official site for full currency list
App Store RatingAggregate iOS + Android user satisfaction
Carta app ratings reflect recent user sentiment — check the App Store/Google Play for current scores.
Verify live ratings on the App Store
Plastiq app ratings reflect recent user sentiment — check the App Store/Google Play for current scores.
Verify live ratings on the App Store
Customer SupportAvailable resolution pathways and SLA
Carta routes support through its official help channels. Priority queue access varies by plan.
Check Carta help centre for current support options
Plastiq routes support through its official help channels. Priority queue access varies by plan.
Check Plastiq help centre for current support options
KYC Verification SpeedAccount activation timeline post-submission
Carta KYC timelines depend on document quality and account type.
Verify current wait times in the Carta app
Plastiq business verification may take longer — check the onboarding flow for current timelines.
Verify current wait times in the Plastiq app
Overall VerdictWealthBlueprint independent recommendation
Carta WINS with 5/5 stars vs 3/5.

Why: Carta excels at Startups, VCs, and employees wanting cap table management, 409A valuations, equity plan administration, and access to private company secondary markets. It also has a simpler fee structure (Company plans from $2,400/year; fund administratio...).

✓ Choose Carta if Startups, VCs, and employees wanting cap
➜ Plastiq is still solid for Small business owners and consumers want
Official WebsiteVisit platform to sign up or verify current fees
Visit Carta ↗ Visit Plastiq ↗
WealthBlueprint Verdict Summary
Carta — Best For
Startups, VCs, and employees wanting cap table management, 409A valuations, equity plan administration, and access to private company secondary markets
✓ Strong in its core category
Plastiq — Best For
Small business owners and consumers wanting to pay rent, mortgage, invoices, tuition, and vendor bills via credit card to earn rewards or extend cash flow by 45–55 days
✓ Strong in its core category

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