Another year is almost over and hopefully some R&R in store for all small business owners but also a chance to get organised for 2020 and hit the ground running in January.  To save you time, we have provided the small business essential accounting and tax calendar for 2020, an early Christmas present from Team Mirandus – you’re most welcome!

Some of the dates may change year-to-year but the deadlines will fall broadly at the same time each year.

Your specific obligations will depend on your own unique circumstances so we suggest you speak to an accountant, such as, Mirandus Accountants. to ensure you keep on the right side of the taxman.

Your essential 2020 tax and accounting calendar


1st – Corporation Tax payment deadline (if your limited company’s year end is 31st March)

31st – Your Self Assessment Tax Return deadline

31st – Your first payment on account deadline (if you are a sole trader)


7th – The previous year’s last quarterly VAT return filing deadline


6th – The new tax year begins.  The Budget and Finance Bill will come into force today

19th – Year-end payroll forms deadline – if you have employees, these all need to be filed and the PAYE paid


7th – This year’s first quarterly VAT return filing deadline

31st – Deadline for issuing any employees with their annual P60s


6th – Deadline for filing P11D (b) and issuing P11Ds to any employees

22nd – Deadline for paying Class 1A NIC. These are due by employers who pay benefits to employees, such as private medical insurance

31st – Second payment on account deadline


7th – This year’s second quarterly VAT filing deadline


7th – This year’s third quarterly VAT return filing deadline


31st – Deadline for filing your company’s annual accounts if your company’s year end is 31st March (the most common year end date). The payment deadline is the day after this, on January 1st!

Your local, forward thinking cloud accountants

At Mirandus Accountants, we understand what it is like to be a small business owner, as we are a small business ourselves.  As a Chartered Tax Advisory practice, we are experts in tax, and as reflected in our testimonials, we provide tax expertise with empathy and understanding to your own unique set of circumstances.

We are available right now to help you complete your tax return early so you know how much tax you need to pay and by when.

If you are due a refund, it makes perfect sense to receive this as soon as possible. We are working with many self-employed individuals and business owners who have already filed theirs and we are ready to help you too.

Contact us today to see how we can help you.