5th March 2026
Making Tax Digital for Income Tax is one of the biggest changes to the UK tax system in decades. If you’re self-employed or a landlord, you’re probably tired of hearing about quarterly updates, digital records and new reporting rules. And you might also be wondering:
“How much can HMRC actually see?!”
After all, many people worry that once everything becomes digital, HMRC will have access to their bank balances and personal spending. The good news is that it doesn’t work like that. And in this blog, we’ll break down exactly what is shared, what isn’t and why accuracy still matters.
What data is shared with HMRC under MTD?
The new MTD for Income Tax rules require eligible people to send four quarterly updates during the tax year, followed by a final Self-Assessment at the end. Each quarterly update contains summary totals, not detailed transactions. This means:
- Total business income for the quarter
- Total business expenses for the quarter
- Breakdown by expense categories (e.g. travel, office costs, software)
You do not send:
- Individual bank transactions
- Receipts
- Invoices
- Bank statements
- Client or customer details
Think of quarterly updates as progress snapshots, not full financial disclosures.
Then, at the end of the tax year, you submit a final assessment, which replaces the traditional Self-Assessment tax return. This includes:
- Final confirmed income
- Final confirmed expenses
- Adjustments
- Reliefs and allowances
- Other personal income (e.g. employment, dividends, property income)
These approaches combined allow HMRC to calculate your final tax bill accurately.
What HMRC can’t see
This is the part that most people care about. Under MTD, HMRC cannot see:
- Your bank balance
- Your personal spending
- Individual transactions
- What you buy day-to-day
- Your savings
- How much money you have in your account
Even if you connect your bank account to digital software, HMRC doesn’t get access to your bank feed. This means your financial data stays private and under your control. HMRC only receives the totals you submit and nothing more.
Common myths about MTD and HMRC access
Let’s clear up some of the most common misconceptions:
- HMRC can see my bank account. No, HMRC cannot access your bank account, balances or transactions.
- HMRC sees every payment I receive. No, only total figures are shared, not individual payments.
- HMRC monitors my spending. No, your personal spending is never shared.
- Quarterly updates mean quarterly tax payments. No, you still pay tax once or twice a year.
Why accuracy still matters
Quarterly updates might be summaries, but accuracy is still very important. The main aim of MTD is to:
- Reduce mistakes
- Prevent surprises at year-end
- Help people understand their tax position sooner
So, if your income or expenses are recorded incorrectly:
- Your tax estimates will be wrong
- You may under-prepare for your tax bill
- You may face corrections later
Accurate tracking helps to reduce stress, avoid sudden tax shocks and improve cash flow planning, to name a few.
In fact, with the right software, MTD will make your life easier. There’ll be no more lost receipts, no more guessing figures, no more frantic scrambling at year-end, and you’ll have better visibility of your tax liabilities.
Remember, you stay in control
The biggest thing to remember is that MTD doesn’t give HMRC full visibility into your finances. You remain fully in control of what data is recorded, what totals are submitted and what personal information stays private. MTD simply modernises how tax totals are reported, not how your personal financial data is accessed.
If you are feeling anxious about MTD, you’re not alone. But once you understand how little HMRC sees, the system becomes less intimidating. And with the right tools, it can make managing your business finances simpler and less stressful.
About Coconut
Coconut is your Self-Assessment and Making Tax Digital for Income Tax solution brought to you by the team at GoSimpleTax.
✅ Built specifically for the self-employed, freelancers, landlords and CIS Subcontractors
✅ MTD for Income Tax ready
✅ Track income and expenses with ease
✅ Capture receipts on the go
✅ Send invoices and see how much tax you owe
✅ No accounting jargon – just a simple, powerful app
Whether you're managing your finances solo or working with an accountant, Coconut takes the stress out of tax and helps you stay compliant.
💡 Start your 30-day free trial today and get ahead of the MTD deadline
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Article by Coconut