HMRC-recognised for Making Tax Digital

Sole trader bookkeeping software

Keep your books on your phone, send your quarterly updates and build your tax return as you go. You send it when you are ready.

A scanned receipt with a suggested expense category in Kletta
Kletta app home screen: operating profit, income and expenses
A quarterly update with its figures in Kletta

Everything your books need, in one app

Kletta is bookkeeping software made for UK sole traders and the self-employed. Scan your receipts, send invoices, connect your bank and track your mileage, and your books stay up to date as you work.

It is also Making Tax Digital software. Your digital records, quarterly updates and tax return all come from the same place, so there are no spreadsheets to copy across and no bridging software to set up.

Receipts

Receipt scanning app

Snap a receipt and Kletta reads the supplier, the amount and the category. You check it and record the expense, and your digital records stay complete.

  • Snap or upload a receipt
  • Supplier, amount and category read for you
  • All your receipts stored in one place

Invoicing

Invoice app for sole traders

Create an invoice on your phone and send it by email. Your products and customers are saved, so the next one is quicker, and every invoice goes straight into your books.

  • Send invoices by email
  • Products and customers saved for next time
  • See what has been paid at a glance

Bank

Bank feeds for your bookkeeping

Connect your bank and your transactions arrive on their own. Kletta suggests the receipt that matches each one, and you confirm it.

  • Connect your bank on the web
  • Transactions arrive automatically
  • Matched to your receipts and invoices

Mileage

Mileage tracker for business trips

Start a trip before you set off and GPS records the route. Kletta works out your mileage claim at HMRC’s rates and adds it to your books.

  • GPS records the trip for you
  • Claim worked out at HMRC’s rates
  • Every trip saved in your books

MTD

MTD software for quarterly updates

Kletta adds up your figures for each quarter from your books. Open any line to see the entries behind it, then send your quarterly update. It’s included in your MTD filing pass.

  • Figures added up from your books
  • Open a line to see what is behind it
  • You check it and send your quarterly update
Read about Making Tax Digital

Tax return

Tax return software that builds as you go

Your return builds itself from your books all year. Check the figures with HMRC’s own calculation, then send it to HMRC.

  • Built from your books all year
  • Checked with HMRC’s own calculation
  • Sent to HMRC under Making Tax Digital or Self Assessment
See what filing costs

CIS

CIS bookkeeping for subcontractors

See what your contractors have deducted, month by month, and an estimate of your likely CIS tax refund. A checklist reminds you of the expenses people miss.

  • Deductions shown by CIS month
  • An estimate of your likely refund
  • A checklist of commonly missed expenses
Read about CIS bookkeeping

Support

Chat and support

Ask David, our AI assistant, any time, or message the Kletta team in the app.

  • Ask from the Chat tab
  • Attach a photo or a file
  • The team usually replies within two business days
See common questions

Making Tax Digital for sole traders

Making Tax Digital for Income Tax means keeping digital records, sending HMRC quarterly updates and sending your tax return through compatible software. Whether you need it depends on your income from self-employment and property.

Read the MTD guide

Who MTD for Income Tax applies to

  • From April 2026: income over £50,000
  • From April 2027: income over £30,000
  • From April 2028: income over £20,000

The thresholds are for your combined self-employment and property income. Starting in April 2027 or April 2028? Get Duo free until your first Making Tax Digital deadline, and be ready on day one.

Why sole traders choose Kletta

  • Free to use

    The app, your books and your tax return are free on Solo. You only pay when you send your return to HMRC.

  • Made for sole traders

    Your books and your tax return go with you on your phone. It all runs in one app, with nothing new to learn.

  • HMRC-recognised

    Your quarterly updates and your tax return go to HMRC from the app when you send them.

Kletta makes it easy for sole traders to manage finances on the go – from tracking mileage and snapping receipts to invoicing and staying on top of taxes.
GFGill Fitzpatrick, F.I.B.C.Managing Director, Accounting Insight Ltd

Bookkeeping questions

What is the best bookkeeping software for a sole trader?

The best software is the one you will keep using. Look for something made for sole traders, compatible with Making Tax Digital and easy to use on your phone. Kletta is built for that. The app, your books and your tax return are free on Solo, and you pay a filing pass when you send your return.

Do sole traders need software for Making Tax Digital?

Sole traders with self-employment and property income over £50,000 have needed MTD-compatible software since April 2026. The threshold falls to £30,000 from April 2027 and £20,000 from April 2028.

Is Kletta on HMRC’s list of MTD software?

Yes. Kletta is listed in HMRC’s software finder for Making Tax Digital for Income Tax, for quarterly updates and the tax return.

Is Kletta ready for Making Tax Digital?

Yes. Kletta is HMRC-recognised for Making Tax Digital for Income Tax (MTD ITSA). It keeps the digital records HMRC requires and sends your quarterly updates and tax return.

Can I do my bookkeeping on my phone?

Yes. Kletta is an app, so you can scan receipts, send invoices and check your figures wherever you are. Connecting your bank is the one step you do on the web.

Is Kletta really free?

Kletta Solo is free to use: your books and your tax return cost nothing to prepare. You pay for a filing pass when you send your tax return to HMRC, £34.80 for Self Assessment or £58.80 under Making Tax Digital. Duo and Care include filing.

Who sends the return to HMRC?

You do. Kletta prepares it and shows the figures with HMRC’s own calculation, and you send it when you are happy.

How is my data kept safe?

Your data is encrypted and stored in the EU/UK, and Kletta complies with UK GDPR. Bank connections run through Plaid, regulated by the FCA.

Download Kletta and start free

Your books and tax return are free until you send your return to HMRC.

  • App Store
  • Google Play

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The Kletta app home screen: operating profit, income, expenses and VAT, with quick actions