Sage is a powerhouse built for small businesses. TapTax is a scalpel built for one person filing MTD returns. Here is which one your tax life actually needs.
Sage has been a fixture of UK accounting since the 1980s. It processes payroll for companies with dozens of staff, handles multi-currency invoicing, and integrates with procurement systems most sole traders have never heard of. If you are a self-employed electrician trying to file quarterly updates to HMRC without losing a Sunday afternoon to software you barely understand, that heritage is not a selling point. It is the problem.
The central question on this page is not which product is better in the abstract. It is whether a sole trader needs a full accounting platform or a focused MTD compliance tool. The answer shapes everything: the price you pay, the time you spend on setup, and how many screens you navigate to do something as simple as categorising a fuel receipt in a supermarket car park.
| Feature | TapTax Starter | TapTax Pro | Sage Start | Sage Standard |
|---|---|---|---|---|
| Monthly price | £4.99 | £9.99 | ~£15 | ~£30 |
| Annual cost | £59.88 | £119.88 | ~£180 | ~£360 |
| Built for | UK sole traders | UK sole traders | Small businesses | Small businesses |
| MTD ITSA quarterly filing | Yes, one-tap | Yes, one-tap | Yes | Yes |
| Mobile-first experience | Yes | Yes | Partial | Partial |
| Bank feed / connection | Yes | Yes | Yes | Yes |
| AI expense categorisation | Yes | Yes | No | No |
| Receipt scanning | Yes | Yes | Yes | Yes |
| Invoicing | No (by design) | No (by design) | Yes | Yes |
| Payroll | No | No | No | Yes |
| Ease of setup for one person | Very easy | Very easy | Moderate | Complex |
| Accountant access | No | Yes | Yes | Yes |
Sage Accounting is a serious, capable product. It has earned its reputation over decades and it genuinely serves the small business owner who has staff to pay, a bookkeeper to satisfy and an accountant who trained on Sage in the 1990s. The feature set reflects that audience: purchase orders, VAT returns, multi-currency, payroll, detailed profit and loss reporting, journal entries.
For a sole trader whose actual job is plumbing, tutoring, driving or freelancing, almost none of that applies. You need to connect your bank account, let software sort your income and expenses into the right boxes, scan a few receipts, and then file your quarterly MTD update without it taking longer than making a cup of tea. Sage can do all of that, but it makes you walk through the rest of the building to get there.
The UX issue is not a small thing. Sage's interface carries the fingerprints of software designed when most accountants worked on desktop PCs. There are navigation menus, sub-menus, setup wizards and configuration screens that exist because larger organisations need them. A sole trader encountering them for the first time will spend an hour on setup before logging a single transaction.
Sage Accounting Start at around £15 a month is £180 a year. Sage Standard, which includes payroll and more detailed reporting, runs to roughly £360 a year. TapTax Starter at £4.99 a month is £59.88 a year. That is a difference of £120 a year versus Sage Start, and £300 a year versus Sage Standard, for a sole trader who does not need payroll or purchase orders.
Sage does not typically offer the kind of aggressive introductory pricing that some competitors use to hook you in before a price jump. The prices above are broadly what you pay from month one. TapTax's pricing is equally transparent: Free, Starter or Pro, no promotional cliffs.
If you want to see what your actual tax bill looks like before choosing any software, the sole trader tax calculator gives you a quick read on your income tax and National Insurance based on your trading profit.
Sage Accounting does support MTD for Income Tax. It can submit your quarterly updates and handle the final declaration. On compliance grounds alone, it qualifies.
The experience, however, is meaningfully different. TapTax was designed from the ground up with MTD ITSA as the destination. The quarterly filing is one tap from the main screen. Your bank transactions flow in automatically, the AI categorises them, you confirm anything it is unsure about, and you submit. The quarterly planner logic is baked into how the app thinks about your year.
With Sage, MTD submission is one feature inside a broader accounting system. You get there via the reporting or tax section, and the path assumes you have been maintaining a full set of books. For a sole trader who simply wants to satisfy HMRC and move on, that is a longer walk than necessary.
If you are VAT-registered as well, both products handle VAT returns. But it is worth running your numbers through the VAT calculator first to understand whether VAT registration actually benefits you before you choose a platform with that capability built in.
TapTax is a mobile-first app. It was designed to be used on a phone, on a job site, at a kitchen table, in the time it takes to wait for a client to answer the door. You photograph a receipt, it reads it, categorises it and attaches it to a transaction. The whole interaction takes under a minute.
Sage has mobile apps and they are competent, but the product was architected for a desktop screen with multiple panes visible at once. The mobile experience is functional rather than native. For a sole trader managing finances during the gaps in a working day rather than at a dedicated desk, that matters.
Setup time is also a genuine differentiator. TapTax connects to your bank and starts surfacing categorised transactions almost immediately. Sage's setup involves configuring your chart of accounts, tax settings, business profile and often an opening balance reconciliation. For a sole trader with no bookkeeping background, that is intimidating territory.
This comparison is not a clean sweep. Sage earns its place in certain scenarios.
If you have an accountant who already uses Sage and wants to work inside your books directly, the shared access and familiar interface for that accountant is a real advantage. Many accountancy practices trained on Sage and can navigate it quickly, which means less billable time spent on your books.
If you issue a significant volume of invoices and want your invoicing, expenses and tax all in one place, Sage handles that in a way TapTax deliberately does not. TapTax has no invoicing feature by design, keeping the product focused.
If your business is growing toward taking on staff or a more complex structure, Sage scales in a way a sole-trader-specific tool does not. You would not need to migrate to a new platform.
And if you are already on Sage through a NatWest, RBS or other banking relationship that includes it in a package, the incremental cost to you may be low enough that the switching friction outweighs any saving.
You are now above the April 2026 MTD threshold. You need compliant software. You do not need payroll, purchase orders or multi-currency. TapTax Starter at £4.99 a month handles everything HMRC requires, connects to your bank account, and takes minutes a week rather than an afternoon a month. The saving against Sage Standard alone is £25 a month, every month.
This is Sage's stronger ground. If your accountant already works in Sage and you want your invoicing and accounting in one system, the additional cost buys you genuine integration. Your accountant can log in, your invoices match your income records, and year-end is cleaner. TapTax does not compete here.
TapTax Free or Starter. You are not going to pay £180 to £360 a year to file a tax return when a purpose-built app costs less than a monthly direct debit for a streaming service.
Check your actual contract. If Sage is genuinely free as part of a business banking package, keep it while it costs nothing. If that free period has ended or if you are now paying full price, the comparison above applies in full.
Sage Accounting is not a bad product. It is a good product for the wrong customer. A sole trader buying it independently, paying standard pricing, and using it only to satisfy MTD for Income Tax is paying for a commercial kitchen when they needed a hob.
TapTax is narrower by design. It does not invoice, it does not run payroll, and it does not have a chart of accounts configuration screen. What it does, it does extremely well: it connects to your bank, categorises your transactions using AI, lets you scan receipts on your phone, and files your quarterly MTD updates to HMRC in one tap.
For the vast majority of UK sole traders choosing software in 2026, that is all the product needs to do.
Sage is a full accounting platform wearing a sole-trader price tag. TapTax is the opposite: it does one job extremely well and charges you accordingly.
TapTax connects to your bank, categorises expenses automatically, and submits quarterly updates to HMRC. Free plan, no card required.
