You can invest up £20,000 in a cash ISA. Some accounts also allow you to transfer in money invested in the previous tax year so you can maximise returns on all your tax-free savings.
These are the best accounts available to open through MoneySuperMarket. We can show you all the accounts on the market, but we can only help you to open some of them.
1 Year Fixed Rate Cash ISAs – Ordered by interest rate
12 Month Fixed Term Cash ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{1000 | currency : '' : 0}} to {{productCurrency}} no limitTerm
12 month bondAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- A Sharia compliant savings account
- Transfer existing ISA balances for up to 30 days from account opening
- UK based ethical bank with full UK regulation. The bank operates under Islamic finance principles
- Withdrawals are not permitted within the fixed term
Fixed Rate Cash E-ISA Issue 265
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{1 | currency : '' : 0}} to {{productCurrency}} no limitTerm
until 24.09.18Account type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Start saving from £1 and choose between monthly or annual interest
- Transfer in existing ISA balances, to bring all your ISAs together
- Know what return you'll get with this fixed rate of interest
- Not suitable for regular deposits. This is a limited issue so don't delay
- Withdrawals are subject to a charge equivalent to 60 days' loss of interest on the amount withdrawn
- The maturity date of this product is 24 September 2018
1 Year Fixed Rate Cash ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{500 | currency : '' : 0}} to {{productCurrency}}{{100000 | currency : '' : 0}}Term
1 year bondAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Transferring existing ISA balances
- A choice between monthly or annual interest
- Early withdrawals are allowed subject to the loss of 90 days' interest
1 Year Fixed Rate ISA (Issue 98)
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{100 | currency : '' : 0}} to {{productCurrency}} no limitTerm
until 31.10.18Account type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Transferring existing ISA balances
- Online application
- Withdrawals/transfers of your capital investment prior to maturity are permitted, but they will be subject to 60 days' loss of interest
- Post and branch access only
Fixed Rate Cash ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{1 | currency : '' : 0}} to {{productCurrency}} no limitTerm
1 year bondAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Transferring existing ISA balances
- Early withdrawals are allowed subject to the loss of 90 days' interest
1 Year Online Fixed Rate ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{500 | currency : '' : 0}} to {{productCurrency}} no limitTerm
1 year bondAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Fixed term ISA savers
- Transferring existing ISA balances
- Withdrawals are not permitted within the fixed term
Winner of the Best 'Cash ISA' Savings Provider
1 Year Fixed Rate Cash ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{1000 | currency : '' : 0}} to {{productCurrency}} no limitTerm
1 year bondAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- A choice between monthly or annual interest
- FSCS Protected up to £85,000
- Quick and easy online account opening
- Early withdrawals are allowed subject to the loss of 120 days' interest
Online ISA - 1 Year Fixed Rate Issue 9
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{500 | currency : '' : 0}} to {{productCurrency}} no limitTerm
1 year bondAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- One year at 1.01% tax-free/AER fixed
- Full online application and access
- Interest calculated daily and paid annually on anniversary of account opening. At the end of the fixed term, the value along with any interest earned will be paid into the Holding Account of your Online ISA
- No additional deposits or withdrawals permitted during fixed term. If product is closed after the first 14 days of opening, a Breakage Charge will apply. If the interest earned doesn’t cover this, you may get back less than you put in
2 Year Fixed Rate Cash ISAs – Ordered by interest rate
24 Month Fixed Term Cash ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{1000 | currency : '' : 0}} to {{productCurrency}} no limitTerm
24 month bondAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- A Sharia compliant savings account
- Transfer existing ISA balances for up to 30 days from account opening
- UK based ethical bank with full UK regulation. The bank operates under Islamic finance principles
- Withdrawals are not permitted within the fixed term
Fixed Rate Cash E-ISA Issue 273
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{1 | currency : '' : 0}} to {{productCurrency}} no limitTerm
until 24.09.19Account type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Start saving from £1 and choose between monthly or annual interest
- Transfer in existing ISA balances, to bring all your ISAs together
- Know what return you'll get with this fixed rate of interest.
- Not suitable for regular deposits. This is a limited issue so don't delay
- Withdrawals are subject to a charge equivalent to 90 days' loss of interest on the amount withdrawn
- The maturity date of this product is 24 September 2019
2 Year Fixed Rate ISA (Issue 94)
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{100 | currency : '' : 0}} to {{productCurrency}} no limitTerm
until 31.10.19Account type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Transferring existing ISA balances
- Online application
- Withdrawals/transfers of your capital investment prior to maturity are permitted, but they will be subject to 150 days' loss of interest
- Post and branch access only
2 Year Fixed Rate Cash ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{500 | currency : '' : 0}} to {{productCurrency}}{{100000 | currency : '' : 0}}Term
2 year bondAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Transferring existing ISA balances
- A choice between monthly or annual interest
- Early withdrawals are allowed subject to the loss of 180 days' interest
2 Year Online Fixed Rate ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{500 | currency : '' : 0}} to {{productCurrency}} no limitTerm
2 year bondAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Fixed term ISA savers
- Transferring existing ISA balances
- Withdrawals are not permitted within the fixed term
2 Year Fixed Rate Cash ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{1000 | currency : '' : 0}} to {{productCurrency}} no limitTerm
2 year bondAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- A choice between monthly or annual interest
- FSCS Protected up to £85,000
- Quick and easy online account opening
- Early withdrawals are allowed subject to the loss of 180 days' interest
3 Year Fixed Rate Cash ISAs – Ordered by interest rate
Cash ISA - Fixed Rate Bond (Issue 41)
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{2000 | currency : '' : 0}} to {{productCurrency}} no limitTerm
until 31.07.20Account type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Quick and easy online application process
- Know what return you'll get with this fixed rate of interest
- Transferring existing ISA balances
- The minimum amount to invest is £2,000
Cash ISA - Fixed Rate Bond (Issue 41)
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{2000 | currency : '' : 0}} to {{productCurrency}} no limitTerm
until 31.07.20Account type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Quick and easy online application process
- Know what return you'll get with this fixed rate of interest
- Transferring existing ISA balances
- The minimum amount to invest is £2,000
Fixed Rate Cash E-ISA Issue 267
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{1 | currency : '' : 0}} to {{productCurrency}} no limitTerm
until 24.09.20Account type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Start saving from £1 and choose between monthly or annual interest
- Transfer in existing ISA balances, to bring all your ISAs together
- Know what return you'll get with this fixed rate of interest
- Not suitable for regular deposits. This is a limited issue so don't delay.
- Withdrawals are subject to a charge equivalent to 120 days' loss of interest on the amount withdrawn
- The maturity date of this product is 24 September 2020
3 Year Fixed Rate Cash ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{500 | currency : '' : 0}} to {{productCurrency}}{{100000 | currency : '' : 0}}Term
3 year bondAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Transferring existing ISA balances
- A choice between monthly or annual interest
- Early withdrawals are allowed subject to the loss of 270 days' interest
3 Year Fixed Rate ISA (Issue 54)
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{100 | currency : '' : 0}} to {{productCurrency}} no limitTerm
until 01.11.20Account type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Transferring existing ISA balances
- Online application
- Withdrawals/transfers of your capital investment prior to maturity are permitted, but they will be subject to 240 days' loss of interest
- Post and branch access only
3 Year Online Fixed Rate ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{500 | currency : '' : 0}} to {{productCurrency}} no limitTerm
3 year bondAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Fixed term ISA savers
- Withdrawals are not permitted within the fixed term
3 Year Fixed Rate Cash ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{1000 | currency : '' : 0}} to {{productCurrency}} no limitTerm
3 year bondAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- A choice between monthly or annual interest
- FSCS Protected up to £85,000
- Quick and easy online account opening
- Early withdrawals are allowed subject to the loss of 180 days' interest
5 Year Fixed Rate Cash ISAs – Ordered by interest rate
Fixed Rate Cash E-ISA Issue 268
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{1 | currency : '' : 0}} to {{productCurrency}} no limitTerm
until 24.09.22Account type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Start saving from £1 and choose between monthly or annual interest.
- Transfer in existing ISA balances, to bring all your ISAs together.
- Know what return you'll get with this fixed rate of interest.
- Not suitable for regular deposits. This is a limited issue so don't delay.
- Withdrawals are subject to a charge equivalent to 180 days' loss of interest on the amount withdrawn.
- The maturity date of this product is 24 September 2022.
5 Year Fixed Rate Cash ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{500 | currency : '' : 0}} to {{productCurrency}}{{100000 | currency : '' : 0}}Term
5 year bondAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Transferring existing ISA balances
- A choice between monthly or annual interest
- Early withdrawals are allowed subject to the loss of 365 days' interest
5 Year Fixed Rate ISA (Issue 66)
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{100 | currency : '' : 0}} to {{productCurrency}} no limitTerm
until 31.10.22Account type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Transferring existing ISA balances
- Online application
- Withdrawals/transfers of your capital investment prior to maturity are permitted, but they will be subject to 365 days' loss of interest
- Post and branch access only
5 Year Online Fixed Rate ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{500 | currency : '' : 0}} to {{productCurrency}} no limitTerm
5 year bondAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Fixed term ISA savers
- Transferring existing ISA balances
- Withdrawals are not permitted within the fixed term
Not sure what account is right for you? Tell us a few details and we can help you decide
Easy Access Cash ISAs – Ordered by interest rate
Defined Access E-ISA Issue 15
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{1 | currency : '' : 0}} to {{productCurrency}} no limitNotice period
noneAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- 1.06% Tax Free/AER if you make 3 or less withdrawals in a calendar year.
- Start saving from £1 and pay money in as often as you like. Transfer in your existing ISA balances using our ISA Transfer Service.
- Choose between monthly or annual interest.
- 0.25% Tax Free/AER variable if you make 4 or more withdrawals in a calendar year.
- Rate depends on the number of withdrawals.
Cash ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{500 | currency : '' : 0}} to {{productCurrency}} no limitNotice period
noneAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Transferring existing ISA balances
- Make multiple deposits up to the £20,000 annual allowance - or the full amount in one transaction
- For new and existing customers
- Lower rate of 0.50% AER for balances that fall below £500
- Once fully funded any withdrawals cannot be replaced
- Interest paid annually. You must be aged 18 or over and a UK resident.
Online Cash ISA Plus
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{1 | currency : '' : 0}} to {{productCurrency}} no limitNotice period
noneAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Opening and viewing your account online
- Transfer in existing ISA balances
- Rate includes a bonus, you may want to move your money at the end of this period
- Online access only
Winner of the Best 'Cash ISA' Savings Provider
Instant Access Cash ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{1 | currency : '' : 0}} to {{productCurrency}} no limitNotice period
noneAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Opening an account with just £1
- Transferring existing ISA balances
- Unlimited withdrawals without penalties
- After 12 months, variable rate without bonus will apply, currently 1.25% tax free/AER
Online ISA - Easy Access Issue 10
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{100 | currency : '' : 0}} to {{productCurrency}} no limitNotice period
noneAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Full online application and access
- The ability to split your cash ISA savings across variable and fixed rate products in one place
- Interest is calculated daily and paid annually in March. After 12 months the rate will revert to the underlying rate, currently 0.25% tax free/AER variable
- If you opt to fix your savings withdrawal restrictions will apply
AA ISA - Easy Access Issue 12
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{100 | currency : '' : 0}} to {{productCurrency}} no limitNotice period
noneAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Includes 12 month bonus
- Apply and manage your account online 24/7
- Transfer-in an ISA you hold elsewhere
- The AA ISA is provided by OneFamily. Money in this AA ISA is deposited with Bank of Ireland UK
- No additional deposits or withdrawals during the fixed term. Partial ISA transfers out aren't available, transfers out in full only
Instant ISA Saver Issue 12
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{1 | currency : '' : 0}} to {{productCurrency}} no limitNotice period
instantAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Opening an account with just £1
- Unlimited withdrawals without penalty
- Transferring existing ISA balances
- Interest is paid annually
Instant Access ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{25000 | currency : '' : 0}} to {{productCurrency}} no limitNotice period
instantAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Transfer in existing ISA balances
- A lower rate of interest applies for balances of less than £25,000
Cash ISA
Interest rate (AER)
includes
includes
Check introductory rate and period with provider
Min/max opening amount
{{productCurrency}}{{100000 | currency : '' : 0}} to {{productCurrency}} no limitNotice period
instantAccount type
{{::product.productAttributes.accountDetails.accountTypeId | mappingFilter : referenceDataMapping}} Transfer in- Online
- Post
- Phone
- In Branch
- Transfer in existing ISA balances
- Lower tiered rates of interest apply for balances of less than £100,000
Not sure what account is right for you? Tell us a few details and we can help you decide