Is Monzo Safe for Investing in 2026?

Monzo Safety — Quick Overview

Who Regulates Monzo?

Monzo holds dual regulation — authorised by the Prudential Regulation Authority (PRA) and regulated by both the PRA and Financial Conduct Authority (FCA). This is the same regulatory framework as Barclays, HSBC, and every other UK bank.

What Does FCA and PRA Regulation Mean?

The PRA focuses on financial stability, setting capital requirements to ensure Monzo holds enough money to absorb losses and keep operating. The FCA handles consumer protection — making sure Monzo treats customers fairly and follows the rules on marketing, complaints, and conduct. Monzo faces regular scrutiny, must meet strict capital thresholds, and can be fined heavily for failures.

How Is the Investment Side Regulated?

Monzo doesn’t handle your investments directly. That job falls to Seccl Custody Limited, which holds your assets and executes trades. Seccl is separately FCA-authorised (firm reference 793200) and specialises in investment custody for fintech platforms. Your investments sit with Seccl, not Monzo — if Monzo hit financial trouble, your investment assets wouldn’t be tangled up in Monzo’s balance sheet.

Is Monzo Regulated Differently to High Street Banks?

No. Monzo faces identical regulatory standards to traditional banks. The “challenger bank” label sometimes creates confusion, but there’s no regulatory shortcut for digital-only banks. Same rules, same oversight, same protections. The only real difference is operational — Monzo has no branches, so everything happens through the app.

What Security Measures Does Monzo Use?

Monzo uses multiple layers of protection including biometric login, PIN protection, encryption for data in transit, and magic link authentication. For investment accounts specifically, large transfers or withdrawals can require additional verification steps.

App Security Features

Monzo’s app security is one of its stronger points. You get biometric login (fingerprint or face recognition), PIN protection, and encryption for data in transit. The app doesn’t store passwords — instead, it uses magic links sent to your email for authentication, which eliminates a whole category of phishing risks.

Account Protection

Beyond login security, Monzo offers practical controls that help if something goes wrong:

• Card freezing: One tap to freeze your debit card if lost or stolen
• Daily limits: Caps on ATM withdrawals and certain transaction types
• Instant notifications: Real-time alerts for every transaction
• 24/7 support: In-app chat available round the clock

How Does Monzo Prevent Fraud?

Monzo is a member of Stop Scams UK and has built fraud detection into its platform. Unusual transaction patterns trigger reviews, and the app will sometimes ask you to confirm a payment looks legitimate before processing it. They’ve also introduced “Call Status” — a feature that lets you verify in the app whether someone claiming to be from Monzo is actually calling from Monzo.

What Makes Monzo Safe for Investing?

FCA & PRA Dual Regulation

Monzo is regulated to the same standard as every UK high street bank. The FCA ensures fair treatment of customers while the PRA sets capital requirements to protect financial stability. There are no regulatory shortcuts for digital-only banks.

FSCS Protection Up to £85,000

If Monzo or Seccl failed and couldn’t return your assets, the Financial Services Compensation Scheme would step in to compensate you up to £85,000 for investments. Bank deposits are protected separately up to £120,000 — giving a combined maximum of £205,000 of protection with the same provider.

BlackRock Fund Management

Your funds are managed by BlackRock, the world’s largest asset manager with over $10 trillion under management. The iShares range used by Monzo is one of the most established in the industry. Fund holdings are legally segregated from BlackRock’s own assets, providing protection even in unlikely failure scenarios.

Seccl Custody — Regulated and Ring-Fenced

Seccl Custody Limited (FCA reference 793200) holds your investment assets separately from Monzo’s balance sheet. Owned by Octopus Group, a well-established UK financial services company, Seccl provides custody and trading services to multiple fintech platforms — not just Monzo.

What Risks Should You Be Aware Of?

Is Your Capital at Risk?

Yes — and this is the risk warning you’ll see everywhere: Your capital is at risk. Investments can go down as well as up. This isn’t platform risk — it’s market risk. If you invest in an Adventurous fund and markets drop 30%, your investment drops roughly 30%. The ready-made funds range from Careful (lower risk, more bonds) to Adventurous (higher risk, all shares). Even the Careful option can lose money in bad years.

What Doesn’t FSCS Cover?

FSCS protection has specific limits:

• Market losses: If your investments drop because markets fall, FSCS doesn’t compensate you
• Poor performance: If your funds underperform, that’s investment risk, not provider failure
• Amounts over £85,000: Investment holdings above the limit aren’t covered
• Self-inflicted losses: Bad investment decisions you make aren’t protected

Are There Any Platform-Specific Risks?

A few things to consider with Monzo specifically:

• Limited fund range: You can only invest in BlackRock funds through Monzo, making you dependent on one fund provider
• Third-party reliance: Monzo outsources custody to Seccl and fund management to BlackRock — standard practice but means multiple parties are involved
• Relatively new to investing: Monzo launched investments in 2023 and hasn’t been tested through a major market crisis yet
• 2025 FCA fine: The FCA issued Monzo a £21 million fine for historical anti-money laundering control weaknesses between 2018–2020 — this related to banking controls, not investments

How Are Your Investments Protected?

FSCS Protection Breakdown

Bank deposits and investments are protected separately — and at different levels. Since December 2025, FSCS covers bank deposits up to £120,000 per person. Investment protection remains at £85,000. These limits apply independently.

What About the Funds Themselves?

The funds you invest in are managed by BlackRock through their iShares range. BlackRock manages over $10 trillion in assets globally. Your fund holdings are also legally segregated from BlackRock’s own assets, so even if BlackRock faced problems, your investments wouldn’t be used to pay their creditors. This segregation is standard practice for regulated fund managers.

What Are Monzo’s Investment Fees?

What Are the Main Charges?

Monzo charges a straightforward 0.25% annual platform fee (0.20% with Monzo Perks or Max), capped on the first £60,000 invested. There are no dealing charges, exit fees, or withdrawal fees. Underlying fund management fees (OCF) from BlackRock apply on top of the platform fee.

How Do Fees Compare to Other Platforms?

Monzo’s fees are competitive but not the cheapest. Trading 212 charges 0% and Vanguard charges 0.15%. For small portfolios with regular contributions, the difference is modest. For larger portfolios held long-term, cheaper alternatives will save meaningful money over time.

Final Verdict — Can You Trust Monzo with Your Investments?

Yes. Monzo meets every reasonable standard for a safe investment platform: FCA regulation, FSCS protection, reputable fund manager, regulated custody provider. The infrastructure is solid.

The 2025 FCA fine for historical AML issues might give some people pause. But that related to banking controls between 2018–2020, not investments, and the fact that regulators caught it and imposed consequences actually demonstrates the system working. Monzo has since invested heavily in compliance.

Don’t confuse platform safety with investment safety. Monzo won’t lose your money through negligence or fraud. Markets might lose your money through normal volatility. That’s the trade-off with investing — potential for growth comes with potential for loss.

For our complete assessment of the platform, see our full Monzo investing review. For ISA-specific details, check our Monzo ISA review. And to find out if it’s the right fit for you, read Is Monzo good for investing?

FAQs

References

• Financial Conduct Authority — Monzo Bank Limited FCA Register Entry
• Financial Services Compensation Scheme — What We Cover
• Monzo — Security Information
• Monzo — FSCS Information
• Seccl Custody Limited — FCA Register Entry (793200)
• BlackRock — iShares Range
• FCA Final Notice — Monzo Bank Limited (2025)