SELF ASSESSMENT Smart self assessment solutions for you...
We provide a service to complete and file your personal Self-Assessment tax return correctly & on time.


Penalties
If you miss the deadline for submitting your self assessment tax return you will receive a penalty and be charged interest on late payments.
If you are up to 3 months late you will be fined £100 and charged interest on late payments. If you submit your self assessment tax return over 3 months late then you can estimate the penalty you will receive by following the government website.
Paying your self assessment tax bill
The deadlines for paying your tax bill are usually 31 January as an initial payment and for any tax you owe on the previous year (known as a balancing payment) and 31 July as a second payment.
If you prefer to pay regularly throughout the year you can use a ‘budget payment plan’.
Ways to pay
- Online banking
- Telephone banking
- CHAPS
- By debit card online
- At your bank or building society.

You must ensure you allow time for the payment to clear and be visible to HMRC before the payment deadline.
Making changes
You can change your return after you have filed it if you have made a mistake. You need to do this in a certain time frame e.g. by 31 January 2021 for the financial year 2018 to 2019.
