Everything you need to run your small business.
From invoicing to tax returns, CalCal gives you powerful accounting tools that anyone can use — no jargon, no accountant needed.
Built for real people, not accountants
CalCal puts everything you need in one simple place. No accounting knowledge required.
Calendar Interface
No need to know any accounting jargon. Just jot down your daily dealings simply on the calendar.
Invoicing
Easily generate and email professional invoices. Track customer debts and send statements.
Self-Assessment
CalCal pre-fills your self-assessment for sole traders. Send your return to HMRC in just a few clicks.
MTD Income Tax
CalCal is HMRC-recognised for Making Tax Digital ITSA. Send quarterly updates and your final declaration directly to HMRC — all from your calendar.
VAT Returns
CalCal keeps track of how much VAT you owe or can reclaim. Submit your return with the click of a button.
Reports u0026 Charts
Simple, effective charts to review your tax position. Download detailed PDF reports of profit u0026 loss, trial balance and VAT.
Assets u0026 Capital Allowances
Claim allowances against tools, equipment or a van. CalCal automatically takes what you're allowed off your tax bill.
Secure u0026 Backed Up
Connections are encrypted and PIN locked. CalCal saves as you go and backs up constantly — your data is always safe.
Tailored to You
Enter your trade or business type when signing up. Get a personalised expense category list and features set up for you.
A calendar that calculates
Forget spreadsheets and double-entry. CalCal's calendar interface lets you record income and expenses as naturally as writing in a diary.
Just jot down your daily dealings
No need to know accounting jargon or create an invoice and customer for each transaction. Just tap a date and add what happened.
Try the CalendarFor Sole Traders and Limited Companies
Going it solo, or trading as a company? CalCal works for both. Get an estimation of your self-assessment tax, NIC, or corporation tax throughout the year.
Pre-filled Self-Assessment
CalCal pre-fills your SA100 with all the right categories and allowances. Review the figures and send your return to HMRC in just a few clicks.
Learn moreCalCal works for your type of business
Whatever your trade, CalCal is set up with the right categories and features for you.
Landlords
Track rental income, expenses, and allowances. CalCal handles property accounting with the right categories built in.
Learn moreRestaurants u0026 Takeaways
Record daily takings, supplier costs, and staff expenses. Designed for the pace of food service businesses.
Learn moreBuilders, Plumbers u0026 Electricians
Invoice customers, track materials and tools. CIS-ready categories for construction professionals.
Learn moreFreelancers u0026 Consultants
Simple project tracking, invoicing, and expenses. Keep on top of your self-assessment all year round.
Get Started FreeAccountants
Manage multiple client accounts from one dashboard. Give your clients a simple way to keep their own records.
Learn moreOther Businesses
Whatever your trade, CalCal adapts. Enter your business type at sign-up and get a personalised experience from day one.
See all business typesYour data is safe with CalCal
Security isn't an afterthought — it's built into everything we do.
Trusted by small businesses across London
See how CalCal helps real businesses stay on top of their finances.
“CalCal made filing my VAT return incredibly simple. I used to dread it every quarter — now it takes minutes.”
R. Williams
Window Cleaner, North London
“I'm not an accountant, and CalCal doesn't expect me to be. It just works. The calendar makes total sense.”
S. Patel
Freelance Designer, East London
“Knowing I'll be MTD-ready when Income Tax goes digital gives me peace of mind. And the free plan is genuinely free.”
J. Thompson
Landlord, South London
Ready?
Start managing your business finances today
Join thousands of small businesses using CalCal. Free to start, simple to use, and powerful enough to handle your tax returns.
No credit card required. Set up in under 2 minutes.