Keep your customers organised and get paid faster.
Easily generate and send professional invoices. Track who owes you money and chase outstanding debts — all from one simple screen.
Everything you need to manage customers
Invoicing that works the way you do
CalCal helps you keep your customers organised. Generate invoices, track payments, and send statements — all from the same place you record your daily dealings.
Generate professional invoices in seconds
Create and email professional-looking invoices with your branding. The figures on them feed directly into your tax calculations — everything stays connected.
Get Started FreeBe flexible — with CalCal you can do it all
Whether you need full invoicing or just want to jot down a quick sale, CalCal adapts to your workflow.
With or Without Customers
Add transactions with or without attaching a customer. If you're a taxi driver, there's no need to record every passenger's name.
Part Payments
Need to let a customer pay later? Enter the amount, type their name, and CalCal lets you mark it as part paid. Simple.
One Simple Screen
Search for or add a customer, mark as paid, send invoices and statements — all from one screen. No jumping between pages.
Skip the Invoice
No need to send an invoice? Simply enter the transaction amount and how much you were paid in the Daily Entries calendar screen.
Feeds Your Tax Return
All your invoice figures are used to automatically calculate and submit your self-assessment. No duplicate data entry.
Capital Allowances Included
CalCal can easily deal with the more complex areas of your return such as capital allowances on large purchases.
How it works
From sale to statement in three steps
CalCal makes invoicing as natural as recording your daily dealings. Here's how it works.
Record a sale or create an invoice
Tap a date, enter the amount, and optionally create a professional invoice to email to your customer.
Track payments and outstanding debts
CalCal shows you at a glance who has paid and who owes you money. Mark payments as received with a single tap.
Send statements and chase debts
Send professional statements to customers with outstanding balances. Keep your cash flow healthy.
Create and send invoices
Track customer payments
Trusted by small businesses across the UK
See how CalCal helps real businesses manage their customers and invoicing.
“I used to chase invoices through email threads. Now CalCal shows me exactly who owes what — and I can send a statement in seconds.”
A. Morris
Florist, West London
“Creating an invoice used to mean opening Word, copying a template, and doing maths. CalCal does it all in one tap.”
D. O'Brien
Plumber, Manchester
“The best part is that my invoices feed straight into my tax return. No more piles of digital paperwork at year end.”
S. Patel
Freelance Designer, East London
Ready?
Start sending professional invoices today
Join thousands of small businesses using CalCal. Create invoices, track payments, and manage customers — all in one place.
No credit card required. Set up in under 2 minutes.