Best Accounting Software for Small Business UK in 2026
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This ranking evaluates six cloud-based accounting platforms based on entry-level pricing, Making Tax Digital (MTD) compliance depth, and integration ecosystem size. It is specifically tailored for UK sole traders, freelancers, and limited companies seeking scalable financial management tools.
How we ranked these
At a glance
| # | Product | Score | Price | Best for |
|---|---|---|---|---|
| 1 | QuickBooks Online | 9.4 | from £10/month | Sole traders and freelancers needing low-cost entry with strong HMRC MTD support |
| 2 | Xero | 9.2 | from £18/month | Small businesses with multiple employees who need unlimited user seats without extra fees |
| 3 | Zoho Books | 8.8 | from £12/month | Growing businesses already using the Zoho ecosystem who need value-focused automation |
| 4 | Sage Business Cloud Accounting | 8.5 | from £18/month | UK retailers and limited companies prioritizing robust reporting and compliance over interface aesthetics |
| 5 | FreeAgent | 8.2 | Free entry tier available | Freelancers and landlords with fewer than 5 active clients needing simple invoicing |
| 6 | FreshBooks | 7.9 | Free tier available | Service-based freelancers prioritizing invoice aesthetics and quick payments over complex tax reporting |
QuickBooks Online
from £10/month 9.4- Lowest entry price at £10/month for Sole Traders
- Includes GPS mileage tracking for travel expenses
- Supports MTD for VAT, Income Tax Self-Assessment (ITSA), and Corporation Tax
- Integrates with 500+ apps including NatWest, Barclays, and HSBC open banking
- Higher tiers jump to £16/month (Simple Start) and £33/month (Essentials), which can be pricey for micro-businesses
- Requires separate mobile apps for full functionality compared to some unified desktop/cloud hybrids
Best for: Sole traders and freelancers needing low-cost entry with strong HMRC MTD support
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Xero
from £18/month 9.2- Unlimited users on all plans, avoiding per-seat costs
- Offers 800+ app integrations for broader ecosystem compatibility
- Automated bank transaction imports reduce manual data entry
- Compatible with Making Tax Digital (MTD) for VAT and Income Tax
- Entry price of £18/month is £8 higher than QuickBooks' lowest tier
- Lacks native GPS mileage tracking features found in competitors
Best for: Small businesses with multiple employees who need unlimited user seats without extra fees
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Zoho Books
from £12/month 8.8- Generous free tier allows up to 1,000 invoices/year
- Strong automation capabilities for recurring invoices and payments
- Supports self-assessment filing capabilities directly within the platform
- Integrates seamlessly with the wider Zoho Apps ecosystem
- Free tier is capped at 1,000 invoices/year, requiring an upgrade for higher volume
- HMRC-approved for MTD VAT and Income Tax but lacks some advanced multi-entity consolidation features
Best for: Growing businesses already using the Zoho ecosystem who need value-focused automation
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Sage Business Cloud Accounting
from £18/month 8.5- Purpose-built for UK tax and payroll compliance with HMRC approval
- Offers a free plan specifically for sole traders and small businesses
- Includes mobile receipt capture and supplier sync features
- Supports multi-entity consolidation via Sage Intacct integration
- Interface is described as dated compared to modern cloud-native competitors
- No built-in payroll module; requires separate Sage Payroll integration
Best for: UK retailers and limited companies prioritizing robust reporting and compliance over interface aesthetics
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FreeAgent
Free entry tier available 8.2- Outstanding invoicing features tailored for service businesses
- HMRC-approved for MTD VAT and Income Tax
- Free entry tier available for basic needs
- Strong expense tracking capabilities for freelancers
- Free tier is limited to only 5 clients, restricting growth without immediate upgrade
- Lacks the extensive third-party integration count of larger platforms like Xero
Best for: Freelancers and landlords with fewer than 5 active clients needing simple invoicing
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FreshBooks
Free tier available 7.9- Outstanding invoicing design focused on quick payment collection
- HMRC-approved for MTD VAT
- Paid plans offer unlimited invoices for scaling businesses
- Cloud-based platform with accessible expense tracking
- Does not currently support direct MTD for Income Tax Self-Assessment (ITSA)
- Free tier is limited in functionality compared to Zoho Books' 1,000 invoice allowance
Best for: Service-based freelancers prioritizing invoice aesthetics and quick payments over complex tax reporting
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How to choose
If your monthly budget is under £15, choose QuickBooks Online (£10/month) or Zoho Books (£12/month). Xero and Sage start at £18/month.
Choose Xero if you have more than one employee, as it offers unlimited users on all plans. QuickBooks and Sage may incur additional costs for extra seats depending on the tier.
Ensure your software supports MTD for Income Tax Self-Assessment (ITSA). QuickBooks, Xero, Sage, Zoho Books, and FreeAgent support this; FreshBooks currently supports only MTD VAT.
If you issue more than 1,000 invoices annually, avoid Zoho Books' free tier. FreeAgent's free tier is capped at 5 clients, making paid plans necessary for larger client bases.
Our verdict
QuickBooks Online is the top pick for sole traders due to its £10/month entry price and comprehensive MTD support, while Xero wins for teams needing unlimited users at £18/month.
Frequently asked questions
Which software has the lowest starting price?
QuickBooks Online has the lowest entry price at £10/month for its Sole Trader plan.
Does Xero charge per user?
No, Xero offers unlimited users on all its plans, making it cost-effective for teams.
Which software supports MTD for Income Tax?
QuickBooks Online, Xero, Sage Business Cloud Accounting, Zoho Books, and FreeAgent are HMRC-approved for MTD Income Tax. FreshBooks supports MTD VAT but not currently ITSA.
Is there a free plan with high invoice limits?
Zoho Books offers a free tier with up to 1,000 invoices/year, which is higher than FreeAgent's limit of 5 clients.
