Organise your accounts easily

The simple accounting and tax return app for UK small businesses

HMRC Recognised

Making Tax Digital ready

Only looking to do your taxes?

Free Online Accounting for small businesses

As easy as a calendar. As simple as a calculator.

Look After Your Customers

Automatically generate and email or share professional invoices.

Track debtors and send them reminder statements.

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Unique Calendar Based Interface

No need to know any accounting jargon. Simply jot down figures on the calculating calendar.

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Simple, Secure & Adaptable

Only make a customer, invoice, or supplier if you need one - CalCal is flexible and adapts to your business.

Quickly review your cash flow and tax position with simple charts. CalCal will keep you ahead of the game.

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Tailored for your business

Search for your trade or business type when signing up and we will kick start your CalCal experience…

  • Whether you're a taxi driver, florist, takeaway or architect, you'll have a small list of expense types already there for you.
  • CalCal will grow and adapt to your business's needs.
  • No need to add customer details, unless you want to let them pay you later.
  • Invoices and statements with your logo on.

Our smart mobile app


1. Scan your receipts

Add your expenses and takings to the Daily Entries calendar.

Snap a picture of your receipts to store them alongside the transaction, and the app will automatically fill in the details.


2. Send Invoices

Share invoices and statements via WhatsApp or iMessage. Call or text your customers from the app. Import customers from your phone's address book.

3. Benefit

Keep an eye on your tax position, and download PDF reports. Send MTD VAT returns and even your self-assessment tax return right from the app!


Synced to the web


See your customers and suppliers, your VAT and tax returns, and all your reports - on any device

Video Overview

Watch to see how CalCal can help your business stay ahead

"CalCal has made keeping track of my customers really easy. I'd use it just for invoicing and stuff, but having the live tax figures and firing off my tax return as soon as the year finishes is a huge bonus on top"

R. Williams, Window Cleaner

Submit straight to HMRC


At the end of the year, CalCal will fill in your tax return, including capital allowances and expense categories.

Add other forms as needed


HMRC recognised for MTD

Send your VAT returns and see your payments all in one place

Get started for free

Our limited free level has no trial limit. After that, prices start from just £5 per month