CMC Invest vs SigFig - BrokerCue
BrokerCue

Select your country to see eligible brokers

Account eligibility and broker availability depend on your country of residence. Setting this now allows us to hide brokers that do not accept clients from your country.

Broker Comparison

CMC Invest vs SigFig

Compare CMC Invest and SigFig side by side: fees, regulation, platforms.

CMC Invest

CMC Invest

App-based long-term investors using ISAs and SIPPs

CMC Invest is an app-based investing platform with £0 commission, GIA, flexible ISAs, SIPP, stocks, ETFs and …

VS
SigFig

SigFig

Low-cost automated portfolio investors

SigFig is a US robo-advisor offering automated ETF portfolios, tax-loss harvesting, and free human advisor ac…

Head-to-head comparison

CMC Invest vs SigFig
Feature CMC Invest SigFig
Minimum deposit £1 -
Stock trading fee £0 commission -
Regulators FCA SEC
Best for App-based long-term investors using ISAs and SIPPs Low-cost automated portfolio investors
Markets & account
Stocks
-
ETFs
Bonds
-
Funds
Multi Currency
-
Isa
-
Sipp
-
Ready Made Portfolios
-
Fractional Shares
-

Pros & cons

CMC Invest

CMC Invest

Pros

  • £0 commission on all in-app trades
  • Core plan has no monthly price plan fee
  • FX fee falls to 0.39% on Premium
  • USD and EUR wallets reduce repeat FX conversions
  • Uninvested cash earns up to 3.30% AER on Premium
  • Transfers can start in-app in as little as 30 seconds
  • Flexible ISAs allow same-year withdrawals and redeposits

Cons

  • Plus costs up to £6.99/month
  • Premium costs up to £10.99/month
  • Core FX fee is 0.99%
  • Failed payments or late settlement cost £25 plus interest
  • Paper documents cost £3 + VAT per document
  • UK share buys carry 0.50% stamp duty
  • UK share trades over £10,000 may add a £1 PTM levy
  • Mutual funds are only on Plus and Premium
SigFig

SigFig

Pros

  • No advisory fee on first $10,000 managed
  • 0.25% annual fee is in line with leading robo-advisors
  • Free access to human investment advisors
  • Automatic rebalancing included
  • Tax-loss harvesting included
  • Low underlying ETF expense ratios (0.07%-0.15%)
  • No deposit, withdrawal, or rebalancing fees
  • Assets held at established custodians (Schwab, Fidelity) with SIPC protection

Cons

  • $2,000 minimum is higher than some competitors (Betterment has no minimum, Wealthfront starts at $500)
  • No cash management or savings account
  • No demo account to test the platform before investing
  • Fractional shares only available through dividend reinvestment, not initial purchases
  • Limited portfolio customization - model portfolios focused on ETFs and funds
  • No crypto investing
  • Company announced rebrand to Tandems in September 2025; long-term consumer product direction is uncertain
CMC Invest

CMC Invest

CMC Invest is an app-based investing platform with £0 commission, GIA, flexible ISAs, SIPP, stocks, ETFs and mutual funds. FX and plan fees vary by tier.

Visit CMC Invest Read review

Your capital is at risk. Other fees apply.

SigFig

SigFig

SigFig is a US robo-advisor offering automated ETF portfolios, tax-loss harvesting, and free human advisor access, with no fee on the first $10,000 managed.

Visit SigFig Read review

Your capital is at risk. Other fees apply.

Not the right match?

Line up any two brokers side by side, or browse the full list to find your next platform.

Compare another broker Browse all brokers