WhatsApp-first quarterly tax reporting for UK sole traders.

Built for Making Tax Digital 2026.

Capture expenses through WhatsApp, sync your bank via open banking, and submit quarterly updates directly to HMRC — all in one platform.

Get Started — It's Free

No spreadsheets. No manual totals. No missed deadlines.

Official HMRC API Integration
UK Hosted Infrastructure
Encrypted Open Banking

Helping sole traders prepare for Making Tax Digital since 2025

SimpleTaxFlow dashboard showing quarterly submission readiness

Built for compliance. Designed for simplicity. Structured for security.

Designed for Making Tax Digital for Income Tax (MTD ITSA)
Quarterly update compliant
Secure bank integrations via regulated providers
Data encrypted in transit and at rest

Preparing for Making Tax Digital (MTD)

From April 2026, eligible sole traders must submit quarterly updates to HMRC. This requires maintaining digital business records, categorising income and allowable expenses, and submitting quarterly summaries electronically. SimpleTaxFlow provides the infrastructure to support those obligations.

Quarterly deadlines

Miss one and you risk penalties.

Digital record keeping

You must maintain digital records throughout the year.

Accurate categorisation

Your expenses must align with HMRC categories.

SimpleTaxFlow makes quarterly tax simple.

Connect your bank securely

Transactions are imported automatically using regulated open banking.

Categorisation happens automatically

AI maps expenses to HMRC categories.

Submit directly to HMRC

One-click submission using official APIs.

Expense capture without changing your workflow

Rather than requiring manual data entry, SimpleTaxFlow allows expense capture via WhatsApp. Users can send receipt photographs, PDF invoices, or simple text messages describing expenditure.

Messages are processed to extract relevant financial information, forming part of your digital records.

Your data is protected.

We treat your financial information with the highest standards of protection.

Encrypted connections
UK data hosting
Strict access controls
Official HMRC API integration
Open banking via regulated providers

256-bit Encryption

HMRC API Integrated

UK Hosted

FCA-Regulated Banking

Simple pricing.

Standard

Free during early access

Unlimited transactions
Quarterly HMRC submissions
AI expense categorisation
WhatsApp receipt capture

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COMING SOON

Pro

Coming soon

Everything in Standard
Advanced tax insights
Priority support
Accountant access (coming soon)

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Frequently Asked Questions

SimpleTaxFlow integrates directly with HMRC's official APIs for Making Tax Digital. We use the same secure endpoints required for quarterly submissions.

Yes. SimpleTaxFlow is built specifically for Making Tax Digital for Income Tax (MTD ITSA), including quarterly updates and digital record requirements.

We use encrypted open banking connections via regulated providers. We do not store your bank login credentials.

No. SimpleTaxFlow provides tools to help you record and submit your information. We do not provide tax advice.

If you resubmit a quarterly update, your latest submission replaces the previous one for that period.

Accountant access features are planned. You can export submission data and summaries at any time.

No. SimpleTaxFlow is designed for sole traders under Making Tax Digital for Income Tax.

You can review your transactions before submission. If needed, you can resubmit an updated quarterly update for the same period.

Data is hosted within UK-based infrastructure with strict access controls.

Ready for Making Tax Digital?

Join sole traders across the UK who are preparing for MTD with confidence. Set up takes less than 5 minutes.

Get Started — It's Free