Independent Audit Report
Marcus Invest
VS
Oxygen

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
Marcus Invest
Goldman Sachs Robo-Advisor Platform
Best For Everyday investors wanting a Goldman Sachs-backed robo-advisor with ex
Core Fee 0.35% annual advisory fee; $5 minimum to start investing; no
Settlement Automated daily rebalancing; tax-loss harvesting on taxable
Visit Marcus Invest ↗
Oxygen
Digital Banking & Financial Services for SMBs
Best For Small businesses and startups wanting modern banking with integrated f
Core Fee Free basic plan; premium plans available with subscription f
Settlement Quick account opening; real-time transaction alerts; mobile-
Visit Oxygen ↗
Full 20-Point Audit Matrix
Verified current data across all key decision criteria
20 Criteria Compared
Audit Criterion Marcus Invest Oxygen
WealthBlueprint RatingOverall score vs. all reviewed platforms (out of 5 stars)
4/5
Marcus Invest: rated on fees, features, safety & ease of use
3/5
Oxygen: rated on fees, features, safety & ease of use
Transaction FeesPer-transfer costs, domestic & international
0.35% annual advisory fee; $5 minimum to start investing; no trading commissions; underlying ETFs carry their own low expense ratios Free basic plan; premium plans available with subscription fees; not publicly listed
FX / Conversion SpreadMarkup above mid-market exchange rate
Marcus Invest 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
Oxygen 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
Marcus Invest 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 — Oxygen does not charge recurring maintenance fees.
Fees subject to change — verify before signing up
Card Issuance FeesVirtual and physical card creation costs
Marcus Invest does not primarily offer physical cards — access is digital-first.
Check Marcus Invest app for current card fees
Oxygen offers virtual and physical cards. Card issuance is typically included at no extra cost.
Check Oxygen app for current card fees
Domestic SettlementLocal bank transfer completion time
Marcus Invest
Automated daily rebalancing; tax-loss harvesting on taxable
VS
Oxygen
Quick account opening; real-time transaction alerts; mobile-
✓ Marcus Invest is faster (instant vs Quick account opening; real-ti)
Cross-Border SpeedInternational corridor settlement time
Marcus Invest 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
Oxygen 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
Marcus Invest publishes service status updates on its official status page for transparency.
Check Marcus Invest status page for incident history
Oxygen publishes service status updates on its official status page for transparency.
Check Oxygen status page for incident history
Regulatory LicensesGoverning bodies and jurisdictions
SEC-registered investment advisor; FINRA/SIPC member (up to $500,000); Goldman Sachs brand backing; 256-bit encryption; 2FA; fiduciary standard
✓ Licensed
Banking via partner FDIC-insured institutions; standard security; fraud monitoring
✓ Licensed
Deposit InsuranceGovernment-backed protection scheme
Marcus Invest holds funds with regulated partner banks. Deposit insurance coverage may apply.
Verify current coverage directly with Marcus Invest
FDIC insured — your funds are protected up to applicable limits.
Verify current coverage directly with Oxygen
2FA & AuthenticationMulti-factor security implementation
Marcus Invest supports 2FA via authenticator app or SMS. Check security settings for available methods.
Enable 2FA immediately after opening your account
Oxygen offers multi-factor authentication. Enable 2FA in account security settings. Biometric and PIN options vary by device.
Enable 2FA immediately after opening your account
Fraud DetectionAI/ML-powered transaction monitoring
Marcus Invest employs automated transaction monitoring. Suspicious activity triggers alerts and temporary holds.
✓ Real-time monitoring
Oxygen monitors transactions for anomalies in real time. You can freeze your card instantly from the app.
✓ Real-time monitoring
Ideal Use CasePrimary audience and core value proposition
Marcus Invest
Everyday investors wanting a Goldman Sachs-backed robo-advisor with expert-built portfolios, automatic rebalancing, and ESG investing options at low cost
Oxygen
Small businesses and startups wanting modern banking with integrated financial tools
Platform ClassificationRegulatory and product category
Goldman Sachs Robo-Advisor Platform Digital Banking & Financial Services for SMBs
Withdrawal LimitsDaily / weekly transfer and cash-out caps
Marcus Invest withdrawal limits vary by account type and KYC level.
Log in to see your current limits
Oxygen applies daily and monthly withdrawal limits based on your account verification tier.
Log in to see your current limits
Supported CurrenciesFiat and digital asset coverage
Marcus Invest supports the currencies and assets listed in its official documentation.
Check Marcus Invest official site for full currency list
Oxygen supports the currencies and assets listed in its official documentation.
Check Oxygen official site for full currency list
App Store RatingAggregate iOS + Android user satisfaction
Marcus Invest app ratings reflect recent user sentiment — check the App Store/Google Play for current scores.
Verify live ratings on the App Store
Oxygen is available on both iOS and Android. Rating varies by region.
Verify live ratings on the App Store
Customer SupportAvailable resolution pathways and SLA
Marcus Invest routes support through its official help channels. Priority queue access varies by plan.
Check Marcus Invest help centre for current support options
Oxygen offers in-app support and email. Response times may vary by account tier.
Check Oxygen help centre for current support options
KYC Verification SpeedAccount activation timeline post-submission
Marcus Invest KYC timelines depend on document quality and account type.
Verify current wait times in the Marcus Invest app
Oxygen typically verifies personal accounts within minutes to 24 hours with a valid ID.
Verify current wait times in the Oxygen app
Overall VerdictWealthBlueprint independent recommendation
Marcus Invest WINS with 4/5 stars vs 3/5.

Why: Marcus Invest excels at Everyday investors wanting a Goldman Sachs-backed robo-advisor with expert-built portfolios, automatic rebalancing, and ESG investing options at low cost.

✓ Choose Marcus Invest if Everyday investors wanting a Goldman Sac
➜ Oxygen is still solid for Small businesses and startups wanting mo
Official WebsiteVisit platform to sign up or verify current fees
Visit Marcus Invest ↗ Visit Oxygen ↗
WealthBlueprint Verdict Summary
Marcus Invest — Best For
Everyday investors wanting a Goldman Sachs-backed robo-advisor with expert-built portfolios, automatic rebalancing, and ESG investing options at low cost
✓ Strong in its core category
Oxygen — Best For
Small businesses and startups wanting modern banking with integrated financial tools
✓ Strong in its core category

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