TaxPrepUK vs Taxd: Which MTD Solution Fits Your Workflow?

TaxPrepUK vs Taxd: Which MTD Solution Fits Your Workflow?

With MTD for Income Tax now mandatory for those earning over £50,000, choosing the right software matters. TaxPrepUK and Taxd both help with MTD compliance, but they approach the problem from very different angles. Here's what you need to know to make the right choice.

What Each Tool Does

Taxd is a full-service tax filing platform designed to handle self assessment and MTD compliance end-to-end. It manages employment, self-employment, property, and foreign income, calculates capital gains tax, and applies UK tax reliefs. Taxd integrates with accounting software like Xero, QuickBooks, and FreeAgent, and has built a reputation for accessible design and strong media coverage. It aims to replace or complement your accountant for straightforward tax returns.

TaxPrepUK is a focused data preparation tool. Rather than handling the entire tax filing process, it solves one specific problem: transforming messy spreadsheets into clean, categorised quarterly summaries ready for your bridging tool. It accepts Excel, CSV, OFX, and QIF files, uses AI to classify transactions, and runs 7 automated health checks — all within your browser.

Key Differences

Feature	TaxPrepUK	Taxd
Primary function	Spreadsheet data preparation	Full tax filing & MTD compliance
Best for	Spreadsheet users who want to keep Excel	Users wanting an all-in-one tax platform
Spreadsheet import	Core feature (Excel, CSV, OFX, QIF)	Not the primary workflow
AI categorisation	Yes (85%+ accuracy)	No automatic spreadsheet categorisation
Health checks	7 automated checks + 4-page PDF report	Tax calculation validation
Data privacy	100% in-browser processing	Cloud-based platform
HMRC submission	No (exports to bridging tools)	Yes (direct filing)
Accounting integrations	Exports to 123Sheets and AbraTax	Xero, QuickBooks, FreeAgent
Pricing	Free tier; Solo £9.99/month	From £65 inc. VAT (varies by complexity)

Where Taxd Has the Edge

Taxd excels as a comprehensive tax management platform. If you want a single tool that handles everything from record-keeping to HMRC submission — and you're happy to move away from spreadsheets — Taxd provides a polished, modern experience. Its integrations with major accounting software mean that if you're already using Xero or QuickBooks, your data flows in seamlessly. Taxd also handles complex scenarios like capital gains, foreign income, and partnership returns, which goes well beyond data preparation.

Where TaxPrepUK Has the Edge

TaxPrepUK is purpose-built for people who want to keep their spreadsheets. If you've been tracking income and expenses in Excel for years and don't want to migrate to a new platform, TaxPrepUK lets you maintain your existing workflow whilst meeting MTD requirements. The AI classification is particularly valuable when you have hundreds of transactions with inconsistent or missing categories — a problem that Taxd doesn't specifically address, since it expects data to arrive already structured from an accounting integration.

The browser-only processing is another differentiator. For users who are cautious about uploading financial data to cloud servers, TaxPrepUK's approach — where your numbers never leave your device — offers genuine peace of mind.

Different Problems, Different Solutions

The honest answer is that TaxPrepUK and Taxd serve different types of users:

• Choose Taxd if you want to move away from spreadsheets entirely and use a modern all-in-one tax platform with direct HMRC filing.
• Choose TaxPrepUK if you want to keep your spreadsheet workflow and need a tool that cleans and prepares your data for a bridging tool.

They can even work together. You could use TaxPrepUK to clean up legacy spreadsheet data from previous quarters, then transition to Taxd for ongoing record-keeping if that suits your workflow better.

The Bottom Line

If your primary concern is "I have messy spreadsheets and need them MTD-ready," TaxPrepUK is the more targeted solution. If your primary concern is "I need a complete tax filing platform," Taxd is worth evaluating. The worst choice is no choice — your first quarterly update is due 5 July 2026, and the data is accumulating now.

Try TaxPrepUK free at taxprepuk.com to see how quickly your spreadsheet data can be cleaned and validated.