Making Tax Digital for Income Tax
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for Excel users
Calceum allows UK taxpayers to report MTD digital transactions using Excel - in just a few clicks.
What you need to know
Making Tax Digital for Income Tax
From April 2026, self-employed people and landlords will need to keep digital records and submit quarterly updates to HMRC using recognised software.
What MTD requires
- Keep digital records of income and expenses
- Submit quarterly updates to HMRC
- Use HMRC-recognised software (not the old Gateway)
When it affects you
Qualifying income = self-employment + property income combined
Learn more from HMRC
HMRC has published official guidance on who needs to join Making Tax Digital for Income Tax and what's changing. Visit their campaign site to understand the full requirements.
Visit the HMRC campaign siteMaking Tax Digital for Income Tax is coming. But that doesn't mean you need to change how you work.
Government requirements shouldn't force you into expensive, complex software designed for businesses much larger than yours.
The problem
"MTD looks complicated"
Quarterly updates. Digital links. HMRC submissions. New terminology, new deadlines, new requirements. It sounds overwhelming — especially when you just want to get on with your work.
"I don't want to change my workflow"
You've been tracking your income in a spreadsheet for years. It works. You understand it. Why should a government requirement force you into Xero or QuickBooks?
"The alternatives are expensive overkill"
Most MTD software is accounting software with MTD bolted on. You're paying for invoicing, payroll, bank feeds, inventory — features you'll never use.
What we believe
If you have straightforward tax affairs, you shouldn't need complex software.
- — Spreadsheets are a perfectly valid way to track your income and expenses
- — MTD compliance shouldn't cost £20+ per month
- — You shouldn't need to learn a new system just to satisfy a government requirement
Traditional accounting software is great for businesses that need it. But if you're a sole trader or landlord with simple affairs, it's overkill. You need something simpler.
The result
"That was easier than I expected."
That's what we want you to feel. MTD doesn't have to be scary. With Calceum, you record your transactions in a simple spreadsheet template, upload it to our platform, and submit to HMRC. That's it.
No learning curve. No features you don't need. Just a straightforward way to meet your MTD obligations — designed for people with simple tax affairs.
Benefits
MTD compliance without the complexity
Keep using the tools you know. Calceum bridges your spreadsheet to HMRC - no accounting degree required.
Simple Spreadsheet
Record. Upload. Submit.
Use our spreadsheet template to record your transactions (or link your existing spreadsheet via formulae). Upload to the Calceum platform, review your data, and submit to HMRC.
Quarterly Made Simple
Submit to HMRC in minutes, not hours.
Upload, review, submit. Three steps, done. We track your deadlines and remind you when updates are due. No accounting knowledge required.
Built for Simple Tax Affairs
No accountant needed.
Designed for self-employed people and landlords with straightforward income. Start with the essentials - upgrade later if you need more.
HMRC Recognised & Secure
Officially listed. Fully compliant.
Listed on HMRC's approved software register. Your data is encrypted, stored securely in the UK, and never shared with third parties.
How It Works
From signup to submission in 6 steps
MTD doesn't have to be complicated. Here's how Calceum makes the entire process straightforward.
Check & Sign Up for MTD
Check if you need MTD based on your turnover, then register at GOV.UK using Government Gateway.
Check eligibility on GOV.UKCheck & Sign Up for MTD
Check if you need MTD based on your turnover, then register at GOV.UK using Government Gateway.
Check eligibility on GOV.UKRecord Your Transactions
Use our spreadsheet template to log income and expenses as you go.
Download template→Record Your Transactions
Use our spreadsheet template to log income and expenses as you go.
Download template→Submit Quarterly Updates
Upload your spreadsheet, review the summary, and submit to HMRC. Due: 7 Aug, 7 Nov, 7 Feb, 7 May.
View deadlines→Submit Quarterly Updates
Upload your spreadsheet, review the summary, and submit to HMRC. Due: 7 Aug, 7 Nov, 7 Feb, 7 May.
View deadlines→Add Year-End Details
Include adjustments like capital allowances before your final submission.
What to include→Add Year-End Details
Include adjustments like capital allowances before your final submission.
What to include→Submit Your Tax Return
Review your tax calculation and submit your declaration by 31 January.
Learn more on GOV.UKSubmit Your Tax Return
Review your tax calculation and submit your declaration by 31 January.
Learn more on GOV.UKFrequently Asked Questions
Everything you need to know about Making Tax Digital and how Calceum helps you stay compliant.
Our Vision
Starting simple. Growing with you.
We're building Calceum in phases. The free tier covers everything you need for MTD compliance. Future tiers will add more for those who want it.
Excel-first MTD compliance
Free core features for self-employment and property income. Spreadsheet-based, simple, compliant.
Complete tax coverage
Support for employment, dividends, savings, capital gains, and VAT for those with broader tax affairs.
Productivity tools
Bank feeds, invoicing, and document storage for users who want to streamline their workflow.
Ready to get started?
Join our pilot program and discover that MTD really can be simple.
Join the Pilot