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Best Platform for Uninvested Cash

Whether it’s cash you’re keeping for a ‘buy-the-dip’ moment, or you just want to soak up some interest without actually risking it in the markets, uninvested cash presents an opportunity to earn an additional income.

Use our interactive chart to find the best rates.

check Fact Checked
  • By Antonia Medlicott
  • Published: May 22, 2025
  • Edited by: Clare West
  • Disclosure
  • Last Update: 3 seconds ago

My Top Picks

4.0/5

Freetrade – Pays 5.00% AER on up to £3,000 if you hold a Plus account.

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Deposit at least £50 and get a free share worth between £10 and £100 (T&Cs apply)

Capital at risk.

4.5/5

XTB – 4.25% on up to £100,000 of uninvested cash.

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0% commission investing/trading

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4.25% on GBP uninvested funds held in a Flexible Stocks and Shares ISA

Capital at risk. CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 72% of retail investor accounts lose money when trading CFDs with this provider. You should consider whether you understand how CFDs work and whether you can afford to take the high risk of losing your money.

4.5/5

Dodl – 4.06% AER on cash held in some accounts

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Zero-commission stock trading

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Low 0.15% annual account fee

Capital at risk.

4.5/5

Trading 212 – 4.05% AER on all uninvested cash.

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Free fractional shares worth up to £100

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4.05% AER on cash, paid daily

When investing, your capital is at risk and you may get back less than invested. Past performance doesn’t guarantee future results


4.0/5

Freetrade

– Pays 5.00% AER on up to £3,000 if you hold a Plus account.

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Deposit at least £50 and get a free share worth between £10 and £100 (T&Cs apply)

Capital at risk.

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Reasons to use

  • Exceptionally high rate of interest
  • Choice of general investment account, Stocks and Shares ISA, and personal pension (SIPP)
  • Commission-free investing
  • 6,500+ UK, US, and European stocks and ETFs
  • Well-designed, easy-to-use platform
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Reasons to avoid

  • Only applies to a maximum of £3,000
  • Must hold a Plus account which costs £9.99/mo

Antonia says

This is a remarkably good rate from a platform that has a lot going for it, and is well-suited to beginners.

The downside is that you can only apply this rate to the first £3,000 of your uninvested cash. And you’ll need to be a subscriber to Freetrade’s top-tier Plus account, which comes with a cost: £9.99 per month.

For a detailed analysis of Freetrade services, check out our review for 2025

Read full review

4.0out of 5

point Deposit at least £50 and get a free share worth between £10 and £100 (T&Cs apply)

4.5/5

XTB

– 4.25% on up to £100,000 of uninvested cash.

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0% commission investing/trading

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4.25% on GBP uninvested funds held in a Flexible Stocks and Shares ISA

Capital at risk. CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 72% of retail investor accounts lose money when trading CFDs with this provider. You should consider whether you understand how CFDs work and whether you can afford to take the high risk of losing your money.

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Reasons to use

  • Excellent rate: 4.25%
  • Paid on up to £100,000 of cash
  • Just requires you to hold one open position or trade once during the month
  • 0% commission investing
  • No annual account fees
  • Flexible stocks and shares ISA
  • Holds uninvested cash in segregated bank accounts
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Reasons to avoid

  • No personal pension product
  • No ready-made portfolios or mutual funds offered
  • Platform is geared more towards traders than investors

Antonia says

XTB is offering a very strong rate on up to £100,000 of your uninvested cash.

There are no account fees or plan subscriptions to access this rate, so anyone can take advantage of it. You’ll just need to maintain one open position, or trade once per month. But that’s not much to ask for a better rate than you’re likely to receive from most banks on cash savings.

Read Clare’s full review of XTB’s commission-free investing

Read full review

4.5/5

Dodl

– 4.06% AER on cash held in some accounts

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Zero-commission stock trading

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Low 0.15% annual account fee

Capital at risk.

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Reasons to use

  • One of the best cash interest rates around: 4.06% AER
  • No maximum amount
  • No requirements to trade a minimum number of times
  • Easy investing platform for beginners
  • Low annual 0.15% account charge
  • Zero-commission stock trading
  • Part of AJ Bell
  • Only ever holds customer cash in UK-regulated bank accounts
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Reasons to avoid

  • Only applies to uninvested cash in Stocks & Shares ISA or Lifetime ISA
  • Doesn’t apply to pension or general investment account
  • £1 minimum monthly account fee – expensive for small portfolios

Antonia says

Dodl was launched by AJ Bell in 2022 to be an easier-to-use, lower-cost, app-only version of its main platform. So although you’re getting a reduced number of investment options, you’re getting the excellent customer service, the trust factor, and great research and education tools that come with AJ Bell.

You’ll also get a fantastic rate of interest on any uninvested cash you hold in either a Stocks and Shares ISA or Lifetime ISA with Dodl.

The downsides? It doesn’t unfortunately apply to the pension or General Investment Account.

And, although Dodl offers commission-free trading, they charge a 0.15% account fee with a £1 minimum charge per month. So if you were hoping to bag the interest without putting much (or anything) into your ISA, you’ll still need to pay that £1 per month charge.

For a detailed analysis of Dodl, check out our review for 2025

Read full review

4.5/5

Trading 212

– 4.05% AER on all uninvested cash.

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Free fractional shares worth up to £100

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4.05% AER on cash, paid daily

When investing, your capital is at risk and you may get back less than invested. Past performance doesn’t guarantee future results

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Reasons to use

  • No maximum limit
  • No ISA fees
  • 0% trading commission
  • Zero account fees
  • The UK’s most downloaded trading app
  • Very cheap for currency conversion (FX fees)
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Reasons to avoid

  • Uninvested cash is held in QMMFs
  • No personal pension product

Antonia says

Trading 212 is very popular among new investors and traders – partly due to its incredibly low-cost model.

It also pays a very good rate of interest on uninvested cash which you can keep in either its fee-free general investment account, or its fee-free Stocks & Shares ISA – so no monthly fees to pay for storing your cash in either location.

As with all variable rates (every rate in this table is variable), the interest rate could change and often does when the Bank of England adjusts the base rate. But you’re free to switch whenever you like if you see a better offer.

One thing to be aware of with Trading 212, is that they hold uninvested cash in qualifying money market funds (QMMFs). These are very low-risk funds, but you might not be as comfortable with this option as you would be knowing your money held in a bank vault. T212 chooses QMMFs because they can potentially make a profit by holding your cash here. And that allows them to keep their fees low and interest rates relatively high.

You’re covered by the FSCS (up to £85,000) if Trading 212 ever goes bust, but the FSCS doesn’t cover investment losses. So there is a very small risk with this option that the interest rate advertised is not what you will receive, and that you could even lose money, although it is a very unlikely outcome.

Read my full review of Trading 212

Read full review

Which platforms pay the most?


Toggle between different price bands to see how rates change as the value of your cash increases.

Anything I need to watch out for?


As the saying goes, if it looks to good to be true, it probably is.

And while some of these rates really very good, there are some limitations which may affect how you use them, and whether they’re worth accessing in your circumstances.

  • Bonus rates

How long does the headline rate last for?
And what does it drop to when the bonus period ends?

Many of the top rates are only available for a short period of time before reverting to the ‘standard’ rate. The current top rate at IG fits into this category.

  • New customers only

Some rates are only available for brand new customers.

  • Customers on paid-for plans only

To access Freetrade’s 5%, you’ll need to pay £9.99 to access the Plus plan. Customers on the free Basic plan can only access 1% AER interest on up to £1,000 uninvested cash.

  • Maximums

Some providers put a limit on how much cash you can earn interest on. For example, Freetrade’s 5% applies to a max of £3,000.

  • Different rates for different amounts

Quite a few platforms change their rates as the amount of uninvested cash you have, increases. Toggle the different price bands in the interactive chart at the top of this page to see what I’m talking about.

  • Money Market Funds

This is an interesting one. Some providers use your uninvested cash to potentially make some money back for themselves. One way of doing this, is by holding your cash in Qualifying Money Market Funds (QMMFs). These funds are designed to be low-risk places to keep your cash while earning a bit of interest. While the risk to your cash is very small, there is a chance you could experience losses, not gains.

  • The bottom line
  • Always check the terms and conditions with these offers to ensure they’re suitable for your goals, investment pot size and risk profile.

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