Contracting through a limited company creates a specific set of accounting needs that a general small business tool does not always handle well: Corporation Tax to track, dividends to document, a director's Self Assessment to prepare and a constant need to know what is safe to draw. The right software treats the one person company as the main event rather than a small version of a bigger business.
We have ranked the accounting tools that serve UK contractors best in 2026, weighing how well they handle the limited company essentials against price and ease of use. For a contractor, the difference between the right and wrong tool is measured in accountant fees saved and nasty surprises avoided.
What to look for in UK accounting software
Start with Making Tax Digital. Any accounting software you choose should be recognised by HMRC for MTD for VAT, and increasingly for Income Tax too, so that you can keep digital records and file returns directly rather than through a workaround. This is now a baseline requirement rather than a nice to have, and every option we recommend clears it.
Beyond compliance, weigh four things. First, the real cost, which means the renewal price excluding VAT rather than a first year discount, and whether payroll is included or charged separately, because that single factor can flip which product is cheapest. Second, bank connectivity and reconciliation, since this is where you will spend most of your time and a good feed saves hours every month. Third, whether it handles any sector specifics you need, such as CIS for construction or multi currency for importers. And fourth, whether your accountant already knows it, because collaboration is far smoother when you both work in the same system.
How we assessed these tools
Every product here was judged on the things that actually decide whether software works for a UK business: the real published price excluding VAT, how it handles HMRC obligations such as Making Tax Digital, RTI or CIS where relevant, the depth of the core job it is bought for, how quickly a non specialist can get productive, and the quality of UK support. We read each vendor's own pricing pages rather than repeating third party figures, and we weight verified user ratings from people who run these tools day to day.
We also try to be honest about fit rather than crowning a single winner, because the right tool for a ten person business is rarely the right tool for a two hundred person one. Each entry below carries its real starting price, its current Assaylist rating and a clear note on who it suits and where it falls short, so you can match the software to your own situation rather than to an average. Where we earn a commission from an outbound link we say so, and it never changes the order of this list.
The best options ranked
1. FreeAgent
FreeAgent is the contractor's tool, built around the single director company and free for customers of NatWest, RBS, Ulster and Mettle. It tracks Corporation Tax as you go, handles dividend documentation, and its tax timeline shows every liability and deadline in one view, which is exactly what a contractor without a finance team needs.
What you get: A UK accounting product owned by NatWest, aimed squarely at limited company contractors and sole traders. Free for as long as you bank with the group. It holds a 4.0 out of 5 rating across 497 reviews on Assaylist.
Pricing: The plans run Free with NatWest, RBS, Ulster or Mettle at free, Sole trader at £19 and Limited company at £33 per month, excluding VAT.
Why we rate it:
- Free with a NatWest, RBS, Ulster or Mettle account
- Built for UK limited company contractors
- Tax timeline showing what is owed and when
- Corporation Tax and dividend handling
Bear in mind: it does not scale if you grow into a larger business with stock or staff.
Read our full FreeAgent review →
2. Xero
Xero suits the contractor who is scaling toward a small business, with excellent bank reconciliation, unlimited users and an app ecosystem that connects to almost anything. It is the tool your accountant is most likely to know, which makes the annual accounts and Corporation Tax return smoother.
What you get: The New Zealand built platform that reshaped UK cloud accounting. Four tiers, bundled payroll from the Grow plan upwards, and a very large app ecosystem. It holds a 4.1 out of 5 rating across 293 reviews on Assaylist.
Pricing: The plans run Ignite at £16, Grow at £37, Comprehensive at £50 and Ultimate at £65 per month, excluding VAT.
Why we rate it:
- Fastest bank reconciliation in the category
- Unlimited users on every tier
- Payroll included from the Grow plan
- Huge app marketplace and strong API
Bear in mind: you pay for capability a very simple contractor may not use.
Read our full Xero review →
3. QuickBooks Online
QuickBooks Online brings strong automated bank categorisation and solid limited company support, including CIS from the entry tier for contractors in construction. Project profitability on the Plus plan is genuinely useful for anyone quoting fixed price work.
What you get: Intuit's cloud accounting software, sold in four tiers from Simple Start to Advanced. Strong automation, deep app ecosystem, aggressive introductory discounting. It holds a 4.1 out of 5 rating across 235 reviews on Assaylist.
Pricing: The plans run Simple Start at £14.33, Essentials at £34.2, Plus at £50.4 and Advanced at £110.7 per month, excluding VAT.
Why we rate it:
- Strong automated bank categorisation
- CIS from the entry tier
- Project profitability tracking
- Very large app marketplace
Bear in mind: watch the renewal price after the introductory discount.
Read our full QuickBooks Online review →
4. Sage Accounting
Sage Accounting bundles payroll into every plan, which matters for a contractor who pays themselves a salary as well as dividends. Handling the director's payroll and the company accounts in one place, from a vendor with decades of UK payroll experience, keeps things simple.
What you get: Sage's main cloud accounting product for small UK businesses. Payroll for one employee and the Sage Copilot assistant are now bundled into all three tiers. It holds a 4.0 out of 5 rating across 394 reviews on Assaylist.
Pricing: The plans run Start at £20, Standard at £43 and Plus at £59 per month, excluding VAT.
Why we rate it:
- Payroll included in every plan
- Making Tax Digital for VAT
- Sage Copilot AI assistant
- CIS management and submission
Bear in mind: the Start tier is too limited for most limited companies.
Read our full Sage Accounting review →
5. Zoho Books
Zoho Books files Corporation Tax returns from its Standard tier, which is rare at the price and a real saving for a contractor who would otherwise need a separate tax package. Combined with a genuinely capable free plan, it is exceptional value for a one person company.
What you get: Part of the wider Zoho suite. The UK edition files SA100 and CT600, handles MTD and CIS, and starts at nothing for one user. It holds a 4.0 out of 5 rating across 325 reviews on Assaylist.
Pricing: The plans run Free at free, Standard at £12 and Professional at £24 per month, excluding VAT.
Why we rate it:
- Free plan that files Self Assessment
- Corporation Tax filing from Standard
- Property tracking for landlords
- Native Zoho suite integration
Bear in mind: check your accountant is willing to work with it.
Read our full Zoho Books review →Comparison at a glance
Here is how the shortlist compares on what it is best for, the starting price excluding VAT and the current Assaylist rating.
| Software | Best for | Starting price | Rating |
|---|---|---|---|
| FreeAgent | Best for contractors overall | From £19 / month | 4.0 |
| Xero | Best for growing contractors | From £16 / month | 4.1 |
| QuickBooks Online | Best automation | From £14.33 / month | 4.1 |
| Sage Accounting | Best with payroll | From £20 / month | 4.0 |
| Zoho Books | Best value | From £0 / month | 4.0 |
How much should you budget?
Cloud accounting for a UK small business typically costs between fourteen and sixty pounds a month excluding VAT, depending on the tier and whether payroll is included. Entry plans around fourteen to twenty pounds suit a sole trader or a simple limited company, mid tiers around forty pounds add multi user access, quotes, forecasting and CIS, and top tiers near sixty pounds bring inventory and multi currency. Free options exist for the smallest businesses, notably QuickFile and the free tiers of Zoho Books and Sage Sole Trader.
The figure to watch is the renewal price rather than the introductory discount, since several vendors advertise heavy first year savings and then step up sharply. Factor payroll into the comparison too, because a product that bundles it can undercut one that charges separately once you add a payroll subscription. Budget on the total you will actually pay in year two, not the headline you see at sign up.
Our verdict
For most UK contractors, FreeAgent is the clear first choice, purpose built for the limited company and free for customers of the right banks. Its tax timeline alone justifies the switch for anyone who has ever been caught out by a Corporation Tax bill.
If you are scaling beyond pure contracting, Xero and QuickBooks Online offer more room to grow, and Sage Accounting is worth a look for its bundled payroll. Zoho Books is the value pick, especially with Corporation Tax filing included. Match the tool to whether you are a settled contractor or a growing business, and you will not go far wrong.
The bottom line
FreeAgent is the clear first choice for most UK contractors, purpose built for the limited company and free with the right bank. If you are scaling beyond pure contracting, Xero and QuickBooks give you more room, and Zoho Books is the value pick with Corporation Tax filing included. Whatever you choose, make sure it treats the single director company as its main use case, because the contractor specifics are where a generic tool falls short.
Frequently asked questions
What is the best accounting software for a contractor?
FreeAgent is the best choice for most UK contractors running a limited company, thanks to its Corporation Tax tracking, dividend handling and tax timeline, and it is free for customers of NatWest, RBS, Ulster and Mettle. Xero and QuickBooks are strong alternatives for growing contractors.
Does contractor accounting software handle Corporation Tax?
The best contractor tools track Corporation Tax as you trade, so you always know the liability building up. FreeAgent and Zoho Books go further, with Zoho Books filing the CT600 return directly. This removes a common source of end of year surprises for contractors.
Can accounting software handle dividends?
Yes. Tools built for contractors, notably FreeAgent, handle dividend documentation including vouchers and board minutes, and track the tax position of drawing dividends alongside salary. This is one of the main reasons a contractor should use limited company focused software rather than a generic tool.
Is FreeAgent really free for contractors?
FreeAgent is completely free, as the full product, for as long as you hold a business current account with NatWest, Royal Bank of Scotland or Ulster Bank, or a Mettle account with at least one transaction a month. For many contractors that makes it the best value option available.
Do contractors need different software from other businesses?
Contractors benefit from software that treats the single director limited company as its main use case, handling Corporation Tax, dividends and director payroll well. General small business tools can work, but purpose built options such as FreeAgent handle the contractor specifics more cleanly.
Prices were checked against each vendor's UK pricing on 6 August 2026 and exclude VAT unless stated. Vendors change pricing, so confirm the current figure on the vendor's own site before you buy. Some links are commercial; where we earn a commission it never affects our ratings or the order of this list.
