Know your best ISA options? Buy an ISA, open an ISA savings account online.

Cash ISA or stocks & shares, monthly savings account or lump sum? Buy & top up online. Choose your best ISA option from 1000+ funds from Fidelity and other providers. ISA, ISAs, cash, compare, rates, interest, account, buy, stocks, shares, investment, investing, savings, fidelity

Buy an ISA

Find out how you can buy a lump sum or monthly ISA, change the details of an existing monthly ISA, or top up an ISA.

If you need any assistance while you're buying an ISA online, please call us free on 0800 41 41 61.

Choose any fund on FundsNetwork for investments inside an ISA. You can make multiple provider or fund selections.

Buy an ISA - lump sum investment

	Lump sum ISA with FundsNetwork (including Fidelity's funds)

	Lump sum ISA with Fidelity's investment trusts

Buy an ISA - monthly savings account

	Monthly savings ISA with FundsNetwork (including Fidelity's funds and investment trusts)

Existing ISA accounts

	Update monthly ISA savings account

	Top up an existing ISA

ISA Cash Park

Choose one of the following options:

if you haven't already opened an ISA this tax year select Lump sum ISA
if you already have an ISA with Fidelity, select Top up current ISA

Then log in to Account Management and choose ISA Cash Park from the drop-down list.