We have made the online tax return submission process as simple as 1-2-3

  • Personal tax return- we support all supplementary forms and you can use us if you living aboard or have income from a trust.
  • Partnership Tax Return (SA800).

How to fill and submit your tax return

How to submit a UK Personal Tax Return (SA100)

How to submit a UK Partnership Tax return (SA800)

What We Offer

Online filing to HMRC

You can use our software to do the following:-

  • Prepare your tax return within minutes.
  • Fill in and submit your personal and partnership tax return to HMRC.
  • Our software allows you to download your return so that you can check all details are correct. You can also view, save and print your return.
  • Come back to your automatically saved tax return anytime, anywhere.

Please make sure that your HMRC online account is ready and you have activated the relevant service before you use our online software.

Online filing to HMRC

Start for Free

Start our online services free today. There are no downloads required to use our forms. You will need to create an account with us, and fill in the form accordingly. Use the ‘next’ button to work through the form. Payments will be charged at the time of submission (£12.50 per return).

Start for Free

Free online chat Support

We have been working hard to ensure that our customers’ requirements are met, for this reason we have free online chat support available. To get contacted contact us via ‘chat’ your queries and issues will be dealt with effectively, this is the fastest way to answer all your queries and issues.

Our online support is available from 9am to 5pm (UK Time), Monday to Friday with extended hours in January until 10pm.

You can leave a message through via email at info@123efiling.co.uk and our team will respond to you as soon as possible.

Free online chat Support

Assisted Service (software + Tax Advisor)

123 E-Filing is a trusted software which is a certified assisted service with professional tax advisors, who are on hand to help you with filling your forms. For this service you can discuss all your tax issues and questions that might need answering, as well as a review by our professional team within 1-2 working days.

You can leave a message through via email at info@123efiling.co.uk or call us at 0330 111 6800.

Assisted Service

Recognised by HMRC

123 E-filing is officially recognized by HMRC for personal tax returns (SA100) and partnership tax returns (SA800). You can see our company listed on the HMRC website.

Recognised by HMRC

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Best online tax filing.
See below our service charges.

Standard Package

£ 12.50Per return

Personal or Partnership

  • Supporting all schedules including non-resident and trust pages
  • Download tax report
  • Online submission to HMRC
  • Non-residents
  • Employed
  • Self-employed
  • Partnerships
  • Rental income
  • Foreign income
  • Trusts etc

Assisted Package
(Software+Tax advisor)

£ 50.00Per return

Personal or Partnership

  • Review of your return by a member of our qualified tax team
  • Supporting all schedules including non-resident and trust pages
  • Key to your complicated tax queries
  • Online self - assessment
  • Download tax report
  • Non-residents
  • Employed
  • Self-employed
  • Partnerships
  • Rental income
  • Foreign income
  • Trusts etc

Multi Returns Package

£ 25.00

One partnership (SA800) plus two personal tax returns (SA100)

  • Pay annually
  • Supporting all schedules including non-resident and trust pages
  • Includes all forms available on our website
  • You can submit mix of 3 returns
  • Online self - assessment
  • Download tax report
  • Non-residents
  • Employed
  • Self-employed
  • Partnerships
  • Rental income
  • Foreign income
  • Trusts etc

FAQs

The deadline for paper returns is 31st October after the end of the tax year. After this date, returns are subject to late filing penalty rules. There are two exceptions:

1. Certain people are 'excepted' from this deadline and will be notified by HMRC. Their deadline is 31st January after the end of the tax year.

2. Certain items cannot be accepted by HMRC's online systems. The TaxCalc program can advise you on this; on these occasions the deadline will again be 31st January after the end of the tax year.

The deadline for online returns is 31st January after the end of the tax year.

By completing your tax return online, you can tailor it to your needs and only complete the pages you need. 123 e-filing will give you full online support as you work through it and your tax will be calculated automatically. You also have longer to file your tax returns – instead of 31 October, you have until 31 January. To file your tax return online, you must register with HMRC.

You will need your Unique Tax Reference (UTR), which is 10 digits long and printed on all correspondence from HMRC, as well as either your postcode or your national insurance (NI) number. With these, simply go to www.hmrc.gov.uk, under ‘Do it online’ on the left, click ‘Register (new users)’, click 'individuals & employees', and finally click 'self assessment' on the left under 'do it online'.

Simply provide HMRC with a valid email address when filling in your tax return. You can check that your email address is correct by logging onto the online service and checking the 'About You' section. If you are using the free HMRC service, also be sure to enter your email address in the 'Tell Us About' section when completing your tax return.

I am experiencing delayed updates on the HMRC website.

This occasionally happens – the ‘submission finished successfully’ you will receive on filing a return is 'proof of filing'. If in any doubt you should inform HMRC through their help desk, which can be reached on 0845 60 55 999.

Once you have applied for the Self Assessment Service, you will be able to view payments made, pay tax via Direct Debit, claim any repayments you think you are owed, make claims, change your personal details, add or remove an accountant or tax adviser – an 'agent' – and contact HMRC with additional questions.

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SA100- Individual Tax Return


SA800- Partnership Tax Return

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