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Cash interest explained

You will receive interest on balances in your platform cash account at the prevailing rate.

Embark Investment Services Limited acts as the custodian for investments on the Willis Owen platform and is one of our strategic partners that provides our Willis Owen ISA, GIA, Junior ISA and SIPP.

Embark places cash with a number of banking partners for safekeeping and to provide the potential for you to earn interest on money in your platform cash account. By managing cash in this way, it aims to provide better protection and a higher overall level of interest than if all funds were placed with a single bank.

The rates of interest paid by banks will vary. Embark retains a portion of the interest earned to cover its costs in managing platform cash.

Current Interest Rate

The table below shows the current customer interest rate payable on cash balances along with the amount of interest retained by Embark. The customer interest rate shown is that after accounting for interest retained by Embark:

Date From Customer Interest Rate Interest retained by Embark
25th March 2024 2.46% 1.75% - 2.00%

Embark can change the rate of interest at any time and it reviews the position at least quarterly. Interest is calculated and accrued daily and is credited to your account on the first of each month. If you transfer out, accrued interest is applied at the point of transfer. We will inform you if and when the interest rate changes as soon as is practicable.

Interest retained

The table below shows the yearly equivalent rates of interest Embark expects to pay based on a range of possible yearly interest rates it may earn.

Interest Embark expects to earn Customer Interest Rate Interest retained by Embark
0-1% 0 – 0.46% 0 – 0.54%
1-2% 0.46% – 0.94% 0.54% – 1.06%
2-3% 0.94% – 1.46% 1.06% – 1.54%
3-4% 1.46% – 2.02% 1.54% – 1.98%
4-5% 2.02% – 2.61% 1.98% – 2.39%
5%+ 2.61%+ 2.39%+

Historic Interest Rates

To see details of historic customer interest rates, along with the amount of interest retained by Embark, click here.

Free Promotion Terms & Conditions

1. These terms and conditions (“Terms”) apply to this Willis Owen ISA Promotion (“Promotion”). By taking part in the Promotion, you agree to be bound by these terms. It is a condition of participation in the promotion that all Terms are accepted as final.
2. This promotion is organised by Willis Owen Ltd of Ground Floor, 507 (Unit 2), Centennial Business Park, Elstree, WD6 3FG.
3. This Promotion runs during the period from inclusive ("Promotional period").
4. Eligible Participants” are those participants who, having satisfied all eligibility criteria to do so, use the link within the email inviting them to participate in the Promotion to successfully register for one of the following products or services (“Eligible Products”) via the Willis Owen website, during the Promotional Period:
  • Individual Savings Account (ISA)
5. Subject to these Terms, Eligible Participants are entitled to receive one complimentary Willis Owen branded (“Free Gift”).
6. Each Eligible Participant is entitled to receive a maximum of one Free Gift as specified above. Registration for more than one of the Eligible Products will not entitle a participant to more than one Free Gift.
7. Willis Owen reserves the right to change the specification of the Free Gift from that advertised. There is no cash alternative.
8. This Promotion is subject to availability. Whilst all reasonable efforts have and will be made to ensure sufficient stocks are available to meet likely demand, Willis Owen may end the Promotion early (or suspend the availability of the Promotion) without notice if, in the opinion of Willis Owen, there is not sufficient stock to continue operating the Promotion.
9. Willis Owen will not be held responsible for the failure to fulfil the obligations of third parties involved in this Promotion, although it will always endeavour to minimise the effect to the participants of any such failure.
10. Willis Owen reserves the right to cancel the Promotion or amend the Terms without notice in the event there is any actual or anticipated breach of any applicable law or regulation or any other event outside Willis Owen’s reasonable control.
11. Willis Owen will bear the full cost of packaging and postage of the Free Gift to the participant’s registered address in the United Kingdom. Willis Owen will use its best endeavours to dispatch the Free Gift promptly upon confirmation of successful registration as set out in 4 above and will aim to do so within 28 days of the date of registration for an Eligible Product.
12. Willis Owen accepts no responsibility for non-receipt of the Free Gift once it has been dispatched or damage during transit.

Stocks & Shares ISA

Save up to £20,000 a year tax-free with a range of investments, and manage it all yourself with our online tools

Why choose a Willis Owen ISA?

Tax-free income and gains
Get started with as little as a £25 contribution
A wide range of funds, shares, investment trusts and ETFs
View your portfolio 24/7 on our easy to use and secure platform

What our customers say:

So easy to invest online.

5 Stars

What is an ISA?

A stocks & shares Individual Savings Account (ISA) provides a flexible way of investing up to £20,000 per year (2024/25). You don’t pay income or capital gains tax on any money your investments make and can choose from a wide range of funds, shares, investment trusts and exchange traded funds.

What is a flexible ISA?

The Willis Owen ISA is a flexible ISA. This means that if you take money (either as a cash withdrawal or from your income payments) from your account, provided you put it back during the same tax year, replacement of the money won’t count against your annual ISA allowance. For example, if you contribute £5,000 into your ISA and withdraw £4,000 in the same tax year, you can contribute a further £19,000. This will allow you to replace the £4,000 you withdrew before starting to use what’s left of your current year ISA allowance.

How much can you invest?

You can start investing from as little as £25, either as a lump sum or regularly. There's a limit on how much money you can pay into ISAs every year. For the 2024/25 tax year, the ISA allowance is £20,000 and this is shared across all ISAs you pay into during the year (including cash ISAs).

Is a Stocks & Shares ISA right for you?

Right for you if:
You want tax-free income and capital gains.
You're comfortable with the risk involved.
You're over 18 and a UK resident (for under 18's, see Junior ISAs).
Wrong for you if:
You need your money in the short term.
You’ve used up your ISA allowance already.
You’re uneasy with any market volatility.

Your ISA investment options

The Willis Owen ISA offers you choice, whether you’re new to investing or more seasoned, preferring to explore our powerful research tools and broader functionality.

ready made investments


Simple risk-based options, leaving day-to-day investment decisions to a professional.

ready made investments

Focus Funds

Our list of expertly researched, high-quality funds we think represent good value.

ready made investments

Do it yourself

Build your own portfolio from thousands of funds, ETFs, investment trusts and shares.

Fees explained

When investing you will pay a Willis Owen service fee as well as investment charges. If you invest in more specialist things like shares, investment trusts and exchange traded funds, you may also pay trade fees and government levies. Further details of all costs and charges can be found below and include VAT where applicable. When looking at the fees that other firms charge, you may notice that some don’t appear in our tariff. This means we don’t charge you these fees.

You can get an idea of how much you might pay in fees by using the ‘Charges estimator’.

Why choose a Willis Owen ISA?

Tax free income and gains
Get started with as little as a £25 contribution
A wide range of funds, shares, investment trusts and ETFs
View your portfolio 24/7 on our easy to use and secure platform

What our customers say:

So easy to invest online.

5 Stars
Awards Awards
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