Best Online Accounting Tools for Small Businesses

Choosing the right online accounting software can make a huge difference to how you run your business. The right platform saves time, improves visibility, and helps you make smarter financial decisions – without needing to be an accountant.

But with so many accounting packages for small businesses on the market, finding the best fit isn’t always straightforward.

This guide compares some of the best online accounting software for small businesses in the UK, explains what to look for, and helps you choose the right option for your needs.

What is online accounting software?

Online accounting software is a digital platform that helps businesses manage their finances over the internet. Instead of installing software on one computer, you access your accounts through a secure login from any device.

Most small business accounting software allows you to:

• Track income and expenses
• Send invoices
• Reconcile bank transactions
• Manage VAT and tax returns
• Run payroll
• Generate financial reports
• Monitor cash flow in real time

Cloud-based accounting has largely replaced traditional desktop accounting packages because it’s more flexible, easier to update, and accessible anywhere.

For small businesses, this means less admin and more time focusing on growth.

Why your business needs online bookkeeping software

If you’re still relying on spreadsheets or manual bookkeeping, switching to online accounting software can streamline your finances significantly.

Here’s why many small businesses are moving to online bookkeeping software.

Save time through automation

Online accounting software can automatically:

• Import bank transactions
• Match payments to invoices
• Categorise expenses
• Calculate VAT
• Send payment reminders

This reduces manual data entry and cuts down on errors.

Stay compliant with Making Tax Digital

Most modern accounting platforms are compatible with Making Tax Digital (MTD), allowing you to submit VAT returns directly to HMRC – keeping you compliant and reducing admin.

Real-time cash flow visibility

With bank feeds and dashboards, you can instantly see:

• Cash balance
• Outstanding invoices
• Upcoming bills
• Tax liabilities

This helps you make faster, more informed decisions.

Work from anywhere

Cloud-based accounting means you can access your financial data from your laptop, tablet, or phone. Ideal if you’re running a business on the go.

Easier collaboration

You can give your accountant secure access, eliminating the need to send spreadsheets back and forth.

Best accounting packages for small businesses: Top picks

Here are some of the best online accounting software options for UK small businesses.

Xero: Best for scalability

Xero is one of the most popular accounting platforms for growing businesses. It’s known for strong integrations and scalability.

Key features:

• Real-time dashboard
• Bank reconciliation
• Invoice automation
• Expense tracking
• Payroll add-ons
• Extensive app integrations

Best for: Businesses planning to scale and needing flexible integrations.

QuickBooks: Best for ease of use

QuickBooks is widely used by small businesses thanks to its simple interface and guided setup.

Key features:

• Automated bank feeds
• VAT tracking
• Expense categorisation
• Custom invoices
• Mileage tracking
• Mobile app

Best for: Business owners who want straightforward, beginner-friendly software.

FreshBooks: Best for service-based small businesses

FreshBooks is particularly useful for freelancers and service businesses that invoice clients regularly.

Key features:

• Time tracking
• Recurring invoices
• Expense tracking
• Project profitability tools
• Client portals

Best for: Consultants, agencies, and service providers.

FreeAgent: Best for freelancers and contractors

FreeAgent is designed for freelancers, contractors, and small limited companies.

Key features:

• Tax timeline
• Self-assessment support
• Invoice tracking
• Expense management
• Bank feeds

Best for: Contractors and freelancers who want simple tax-focused accounting.

Sage: Best for established small businesses

Sage offers more advanced accounting functionality for businesses needing deeper reporting.

Key features:

• Cash flow forecasting
• Inventory management
• Payroll integrations
• VAT submissions
• Custom reporting

Best for: Established businesses needing advanced features.

Feature comparison: Top accounting software

Software	MTD compliant	Multi-currency	Mobile app	Best for
Xero	Yes	Yes	Yes	Growing businesses
QuickBooks	Yes	Yes	Yes	Ease of use
FreshBooks	Yes	Limited	Yes	Service businesses
FreeAgent	Yes	Limited	Yes	Freelancers
Sage	Yes	Yes	Yes	Established SMEs

Pricing varies depending on features and number of users.

Simple and easy accounting software for beginners

If you’re new to accounting software, ease of use matters.

Look for platforms that offer:

• Guided setup
• Clean dashboards
• Automated categorisation
• Built-in tutorials
• Helpful support

QuickBooks and FreeAgent are often considered among the easiest accounting software options for beginners.

Simple bookkeeping software can reduce the “fear factor” around finances, especially if you don’t have accounting experience.

How to choose the right business accounting software

Before choosing an accounting package, consider the following checklist.

1. Bank integration

Make sure the software connects to your business bank account for automatic transaction imports.

2. VAT and tax support

Look for Making Tax Digital compliance and easy VAT submission.

3. Payroll features

If you employ staff, check whether payroll is included or available as an add-on.

4. Scalability

Choose software that can grow with your business.

5. Mobile app access

Useful if you invoice or track expenses on the go.

6. Integration with other tools

Check compatibility with:

• Payment platforms
• CRM systems
• Inventory tools
• Expense apps

7. Pricing

Consider monthly costs and any add-ons.

5 steps to switching your accounting software

Switching accounting platforms may seem daunting, but it’s usually straightforward.

Step 1: Choose your new software

Select the platform that best fits your needs and growth plans.

Step 2: Export your data

Download:

• Customer lists
• Supplier lists
• Chart of accounts
• Transaction history

Step 3: Import into the new system

Most platforms offer guided import tools.

Step 4: Connect your bank feed

Link your business bank account for real-time updates.

Step 5: Run both systems briefly

Keep your old system for reference while you transition. Switching at the start of a new financial period can make the process easier.

Sync your accounting software for faster funding

Not only can your accounting software be useful for bookkeeping – it can also help you access funding faster.

When you apply for a business loan, lenders often need to review your:

• Revenue
• Expenses
• Cash flow
• Growth trends

If your accounting software integrates directly, this process becomes much quicker. Instead of uploading documents manually, your data can be securely shared to support your application.

This can help speed up:

• Eligibility checks
• Funding decisions
• Approval timelines

Accurate, up-to-date accounting data gives lenders confidence in your business performance.

Final thoughts

Online accounting software has become essential for modern small businesses. It simplifies bookkeeping, improves visibility, and supports better decision-making.

The best accounting software for your business depends on:

• Your size
• Industry
• Budget
• Growth plans
• Level of accounting knowledge

No matter the platform you choose, the key is picking software that saves time and supports your growth.

Looking to grow your business?

Apply for a business loan in minutes using your accounting data and see what funding options may be available.