Important information:Â Investment value can go up or down and you could get back less than you invest. If you're in any doubt about the suitability of a Stocks & Shares ISA, you should seek independent financial advice. The tax treatment of this product depends on your individual circumstances and may change in future. If you are uncertain about the tax treatment of the product you should contact HMRC or seek independent tax advice.
Why choose an ii investment ISA?
An investment ISA, also known as a Stocks and Shares ISA, is a tax-efficient savings account that lets you choose where and how your money is invested.
- Low, flat fees - could save you money and help you achieve your goals sooner.
- More opportunities - choose from one of the widest ranges of investments on the market.
- You're in control - check on your investments any time, anywhere with our secure mobile app.
- We've got your back - our UK-based team is rated 'excellent' on Trustpilot.
- Learn from the best - impartial information from our analysts, including selected funds, ready-made portfolios and our award-winning newsletters.
Comparison disclosure:Â We compared yearly charges of an ii ISA with other ISA providers. Results are based on published ISA charges as at 01/02/2026 for AJ Bell & Fidelity. Hargreaves Lansdown charges based on new pricing plan effective 01/03/2026. Verified as accurate by The Lang Cat.
Assumptions: 50% of ISA investments held in funds and 50% in equities, 2 equity and 2 fund trades per year, 12 regular equity and 12 regular fund trades per year. Other trading behaviours will result in different charges than those shown. This comparison covers a single year and does not account for investment growth or the impact of inflation over time. To ensure a fair comparison, fund manager charges have not been included. The information provided is for illustrative purposes only. For precise charges, we recommend contacting the ISA provider directly.
How do you want to invest?
Are you more of a hands-on investor? Or simply prefer to leave it to the experts? Either way, we have the ISA for you. And all for our same low, flat monthly subscription.Â
ii ISA
Do it myself
A Self-managed ISA puts the control firmly in your hands.
Build your investment portfolio from our full range of UK and international shares, funds and bonds.
Then manage your investments yourself, with our expert insights and ideas always there if you need them.
ii Managed ISA
Do it for me
Sit back, relax and leave it to the experts with a Managed ISA.
We'll match you to a tailored investment portfolio, that reflects the risk level you're comfortable with.
Then our experts will look after your investments for you - so you can rest easy, knowing your money is managed.
Ready to open your ISA?
All our plans allow you to invest as little as £25 a month using our free regular investing service. Other fees such as stamp duty and foreign exchange charges may apply. Read more: Our charges
Simple and transparent ISA charges
Unlike percentage-based fees charged by many ISA providers, with ii you will always pay a low, flat fee with our transparent price plans.
Join on our Core plan at £5.99 a month. Upgrade to Plus to access a wider range of benefits, or when your portfolio grows above £100,000. Or choose Premium and get our most complete and rewarding plan available.
All plans come with access to a Stocks & Shares ISA, Personal Pension (SIPP) and Trading Account. Whichever plan you’re on, you’ll have everything you need in one place, at one price.
Price plans and fees
| Plan | Portfolio limit | Monthly fee |
|---|---|---|
| Core | £100,000 | £5.99 |
| Plus | No limit | £14.99 |
| Premium | No limit | £39.99 |
Trading fees and other charges apply. See our charges page for more details.
What our customers say
