Send your

tax return

easily.

simply.

Covering most self-assessment forms, including:
- employment & self-employment
- non-resident / remittance basis

Learn More

First time?

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We are listed on HMRC's list
of commercial software suppliers

Send your tax return easily

Learn More

We are listed on HMRC's list
of commercial software suppliers

Making Tax Simple for Self-Employed

Use our simplified form to pre-fill your SA103, ready for you to put your year totals.

Enter your expenses as one figure, or as expense types adapted to your business. Then just check through your forms and submit!

In most cases, you won’t have to make any other changes – CalCal will fill in your tax return for you!

Checked and validated

Any problems or missed boxes will be highlighted as you go through your forms, so you can have the confidence in knowing that when you do submit your return, it will be valid.
Open your detailed calculation (SA302) at any point to see how it's been figured out.

"I am quite impressed with your service. I will be recommending you to others. Good job. Cheers!”

F.D. from Southwest France

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Clear and simple

REVIEW YOUR ANSWERS BEFORE YOU SEND

Check not only your calculation, but all your submission answers in one place.
Then submit.

“ I am quite impressed with your service. I will be recommending you to others. Good job. Cheers!”

F.D From Southwest France

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Easy forms

SIMPLE INTUITIVE INTERFACE

Self-assessment forms can be taxing - we know that.
CalCal has developed a new interface for the 2020 tax return, available on the web and on our mobile app, with simple forms that show the parts you need.

“ I am quite impressed with your service. I will be recommending you to others. Good job. Cheers!”

F.D. From Southwest France

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Helpful Tips

WITH YOU EVERY STEP OF THE WAY

We're constantly adding to our help articles and links to aid your self-assessment process.
If you do have problems, you can use our live chat feature to get in touch. While we can't give you tax advice, our customer support folks will be happy to point you in the right direction.

“ I am quite impressed with your service. I will be recommending you to others. Good job. Cheers!”

S.W. from Novotech LTD

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Just £35

STEPS

THREE SIMPLE

Your details

ENTER YOUR NAME, UTR, ETC HAVE YOUR FORMS PRE-FILLED IF YOU'RE SELF-EMPLOYED

Import some data from HMRC.
Small businesses: enter your expenses in tailored categories.

Your figures

CHECK AND FILL IN YOUR FORMS
SEE YOUR CALCULATION AT ANY POINT

Check and fill in the interactive forms. You'll find links to helpsheets and information on each question to help you along the way.

Finish your SA100 and add attachments like HS302 & other PDFs required by HMRC.
Then submit your valid self-assessment.

SEE YOUR CALCULATION, ADD ATTACHMENTS, FINISH OFF

Submission

STEPS

THREE SIMPLE

Your details

PULL IN DATA FROM HMRC, ENTER YOUR BASIC DETAILS

You have the option to automatically import your marriage allowance and National Insurance data, if HMRC has it.

Your figures

SELECT THE FORMS YOU NEED
SEE YOUR CALCULATION AT ANY POINT

Choose and fill out the interactive forms. You'll find links to helpsheets and information on each question to help you along the way.

Finish your SA100 and add attachments like HS302 & other PDFs required by HMRC.
Then submit your valid self-assessment.

SEE YOUR CALCULATION, ADD ATTACHMENTS, FINISH OFF

Submission

Supported forms

You will likely only need to submit a couple of forms, but should you need any more, CalCal supports the forms indicated below:

SA100 – Individual Tax Return

SA101 – Additional Information schedules

SA102 – Employment

SA103S – Self-employment (short, if below VAT threshold)

SA103F – Self-employment (longer, if above VAT threshold)

SA104 – Partnerships

SA105 – UK Property Income

SA106 – Foreign Income or Gains

SA107 – Trusts

SA108 – Capital Gains

SA109 – Non-residents / domiciles and remittance basis

SA110 – Your Calculation

First time?

If this is your first time submitting a self-assessment tax return, follow the steps below:

  1. Register with HMRC for self-assessment tax return. Find out more.
  2. Sign up with CalCal. £35 per person per tax year.
  3. Follow the three simple steps to fill in your self-assessment.
  4. Submit your tax return and keep a record of your submission.