Explore an ISA
Make the most of your £20,000 tax-
free ISA allowance, with a Quantum
Bank Stocks and Shares ISA.
ISA Essentials
Everything about ISAs explained: Should you get one?
Learn more about the different types of ISA accounts, such as cash or stocks and shares
Why choose a stocks and shares ISA over a cash ISA?
Read more about whether a stocks and shares ISA or cash ISA is best suited to your investment needs
Seven tips for boosting your ISA returns
Want to learn more about how to increase your ISA pot for financial security overtime?
Explore ISAs with multiple providers
As of April 2024, you can open and contribute to multiple stocks and shares ISAs with different providers within the same tax year, provided you do not exceed the £20,000 ISA allowance across all accounts.

ISAs are great – but how do you decide where to invest?
With thousands of investment options available, deciding where to invest your money can be difficult. Quantum Bank makes it easier with the right support – including market insight, curated stock lists and professional analyst ratings — to help you find your next investment.
Take a look at our demo platform or try our 20-day investment simulation with a USD 100,000 account.
24-hour expert service
Whether you’re a high- or low-volume trader, you’ll receive first-class support tailored to your needs.
Integrated digital support
Access our self-service support centre, email helpdesk and a range of educational courses.
24-hour customer service
Get support for technical matters and account queries whenever markets are open.
Relationship managers and sales traders
Active traders benefit from a dedicated point of contact and access to our world-class trading experts.
Exclusive VIP services
Receive our very best prices, priority support and exclusive event invitations.


Trusted for more than 30 years
Financial strength
Quantum Bank A/S is a financially stable company with a robust balance sheet. We serve clients in 170 countries, hold 115+ bn USD in AUM and process 1m transactions daily.
Multi-award winner
We’ve been consistently recognised by our industry and have won the highest accolades for our products, platform and service.
