Best small business accounting software

Bookkeeping and tax admin is one of the biggest time drains for small business owners in the UK. Between chasing invoices, reconciling bank statements, filing VAT returns, and Making Tax Digital, the hours disappear fast.

The right accounting software cuts that admin to a fraction. I’ve spent time researching and comparing the leading options on the market so you can make a confident choice without wading through heaps of marketing material.

My recommendations are based on pricing, ease of use, MTD compatibility, integrations, and support quality. I’ve covered everything from free tools for sole traders just starting out to full-featured platforms for growing limited companies.

Quick comparison: Best accounting software in the UK

What to look for in the best small business accounting software

Choosing accounting software is not just about price. These are the factors that make a real difference to how useful a platform is day to day.

• Making Tax Digital (MTD) Compatibility: MTD for Income Tax Self Assessment goes live for sole traders and landlords with income above £50,000 from April 2026, with more thresholds following in subsequent years. If your software is not MTD-ready, you will need to switch before the deadline — so this is a non-negotiable factor when choosing a platform now. Every tool I recommend here, with the exception of Wave, is fully MTD-compatible.
• Ease of Use: Most small business owners are not accountants. The best platforms present your financial position clearly, automate the routine tasks, and get out of your way. Look at the quality of the dashboard, how quickly bank feeds connect and reconcile, and whether the mobile app is genuinely useful or just a stripped-down version of the desktop product.
• Pricing and Value: Headline prices can be misleading. Most platforms gate their better features behind higher tiers, charge per user, or bill annually to access their advertised rates. Check whether the tier you actually need — with payroll, multi-currency, or project tracking — is still affordable before you commit.
• Integrations: If you sell on Shopify, take payments through Stripe, or manage projects in a separate tool, you need your accounting software to talk to those platforms cleanly. Xero leads on integrations, with over 1,000 third-party connections. QuickBooks and FreshBooks also cover the most common tools small businesses use.
• Support Quality: When something goes wrong at month-end or during a VAT filing, waiting 48 hours for an email reply is not acceptable. Check whether the platform offers live chat, phone support, and whether UK-based support is available during business hours.

The best accounting software for UK small businesses reviewed

Xero, best overall for growing small businesses

Xero is the strongest all-round accounting platform for UK small businesses that are growing or managing more than basic invoicing. Its bank reconciliation is fast, its MTD filing is fully integrated, and its 1,000-plus app connections make it the most extensible platform on this list.

Pricing

– Starter: £15/month — 20 invoices, 5 bills, bank reconciliation

– Standard: £30/month — unlimited invoices and bills, bulk reconciliation

– Premium: £42/month — multi-currency, expense claims, project tracking

– Payroll add-on: from £5/month (via Xero Payroll, powered by Staffology)

All prices are based on monthly billing. Annual billing brings the cost down.

Key features

Xero’s bank feed pulls transactions automatically from most UK banks, including Barclays, HSBC, Lloyds, NatWest, and Starling. Reconciliation is quick: Xero suggests matches, and you confirm or adjust. VAT returns are filed directly to HMRC from within the platform, and MTD submissions work the same way.

The Xero app connects to Shopify, Stripe, PayPal, Receiptbank, Dext, and many more. If you run an ecommerce business or manage multiple income streams, Xero handles the complexity better than any other tool here.

Xero’s mobile app is one of the strongest on the market. You can create and send invoices, capture receipts, reconcile transactions, and check your cash flow from your phone, all without the app feeling like a downgrade from the desktop.

Who it suits

Xero suits limited companies, growing sole traders, and ecommerce businesses that need clean integrations and scalable features. It is also the preferred platform for many UK accountants, which makes collaboration straightforward.

Who it does not suit

The Starter plan is restrictive at 20 invoices per month. If you bill frequently, you will need Standard from day one, which pushes the cost up. Wave or FreshBooks are better fits if you are at a very early stage.

Pros

– Best-in-class integrations

– Fast, reliable bank reconciliation

– Full MTD support

– Strong mobile app

– Trusted by most UK accountants

Cons

– Starter plan limits invoices

– Payroll is an add-on cost

– Premium features require the top tier

Try Xero free for 30 days →

QuickBooks, best all-rounder for small businesses

QuickBooks handles everything a small business needs, from invoicing and expense tracking to VAT filing and self-assessment, within a single platform that is straightforward to navigate from day one.

Pricing

– Simple Start: £12/month — income, expenses, invoicing, VAT

– Essentials: £22/month — adds bill management, three users, multi-currency

– Plus: £32/month — adds inventory, project tracking, five users

– Advanced: £90/month — for larger businesses with more complex needs

Key features

QuickBooks connects to most major UK banks and reconciles transactions automatically. Its VAT centre makes preparing and submitting returns to HMRC straightforward, and MTD submissions are built in.

One area where QuickBooks stands out is self-assessment. If you are a sole trader who completes a self-assessment return each year, QuickBooks can pull your business figures directly into a summary that makes the process significantly quicker. This is a feature Xero does not offer natively.

QuickBooks also handles mileage tracking through its mobile app, which is useful for tradespeople and anyone who uses their vehicle for business. The app logs trips automatically using GPS.

Who it suits

QuickBooks suits sole traders, freelancers, and small limited companies that want a comprehensive tool without paying Xero’s higher rates. Its self-assessment feature makes it particularly useful for sole traders filing personal tax returns.

Who it does not suit

QuickBooks has fewer third-party integrations than Xero. If your business relies on a specific ecommerce or project management tool, check compatibility before committing.

Pros

– Strong value at the entry tier

– Self-assessment support built in

– Mileage tracking on mobile

– Full MTD support

– Good onboarding for new users

Cons

– Fewer integrations than Xero

– Interface can feel busier than competitors

– Advanced tier is expensive for small teams

FreeAgent, best for freelancers and contractors

FreeAgent is purpose-built for freelancers, contractors, and sole traders who bill clients for their time and need to stay on top of self-assessment without a bookkeeping background.

Pricing

FreeAgent costs £19/month (or £190/year). There is one plan — no tiered features, no hidden upgrades.

It is also worth noting that FreeAgent comes free with NatWest and Royal Bank of Scotland business bank accounts. If you bank with either, you are already paying for it.

Key features

FreeAgent’s dashboard gives you a clear view of outstanding invoices, upcoming tax bills, and cash flow at a glance. It calculates your income tax and National Insurance liability in real time as you log income and expenses, so you always know what to set aside.

Self-assessment is built into FreeAgent. When January approaches, your figures are already there. You review, confirm, and file. It does not eliminate the process, but it removes most of the legwork.

FreeAgent also handles project-based working well. You can track time against projects, log expenses to specific clients, and see profitability at a project level — features that generic accounting tools rarely prioritise for small businesses.

MTD support is fully integrated. FreeAgent submits VAT returns directly to HMRC and will handle MTD for Income Tax submissions when the mandation date arrives.

Who it suits

FreeAgent suits freelancers, contractors, consultants, and sole traders who invoice clients for their time. It is particularly strong if you are already with NatWest or RBS, since you get it free.

Who it does not suit

FreeAgent is less suited to product-based businesses, retailers, or companies with inventory. It also has limited third-party integrations compared to Xero or QuickBooks.

Pros

– Free with NatWest and RBS business accounts

– Real-time tax estimates

– Strong self-assessment support

– Project and time tracking built in

– Simple, one-tier pricing

Cons

– Limited integrations

– Less suited to product-based businesses

– Single-user by default (additional users cost extra)

Try FreeAgent free for 30 days →

FreshBooks, best for service-based businesses

FreshBooks is built for businesses that sell services rather than products, with invoicing, time tracking, and client management at its core.

Pricing

– Lite: £15/month — five clients, unlimited invoices

– Plus: £25/month — 50 clients, proposals, two team members

– Premium: £35/month — unlimited clients, advanced reports

– Select: custom pricing for larger businesses

Key features

FreshBooks makes invoicing fast and professional. You can create branded invoices, set up recurring billing for retainer clients, and automate payment reminders. Clients pay directly from the invoice, and FreshBooks marks it as paid automatically.

Time tracking is built into every plan. You log hours against projects, and FreshBooks pulls those hours into invoices with one click. For consultants, agencies, and anyone billing by the hour, this removes a step that other platforms require a third-party integration to handle.

FreshBooks also handles proposals and contracts. You can send a proposal, get it signed digitally, convert it to a project, and bill the client — all within the same platform. For service businesses, this end-to-end workflow is a genuine time saver.

MTD support is included, with VAT returns filed directly to HMRC.

Who it suits

FreshBooks suits consultants, designers, marketers, coaches, copywriters, and any service business that bills clients for time or deliverables. Its retainer and proposal features make it a natural fit for agencies.

Who it does not suit

FreshBooks is not designed for product-based businesses or retailers. Its inventory features are minimal. Xero or QuickBooks are better choices if stock management matters.

Pros

– Excellent invoicing and recurring billing

– Built-in time tracking

– Proposals and digital contracts

– Strong client management

– Intuitive interface

Cons

– Client limits on lower tiers

– Weaker for VAT-registered businesses with complex returns

– Fewer UK-specific features than Xero or QuickBooks

Try FreshBooks free for 30 days →

Sage Accounting, best for established small businesses

Sage is one of the most established names in UK accounting software. Its small business product suits companies that have been trading for a few years and need a reliable, feature-complete platform.

Pricing

– Sage Accounting Start: £14/month — invoicing, bank reconciliation, VAT

– Sage Accounting: £28/month — adds cash flow forecasting, quotes, purchase invoices

Key features

Sage’s bank feeds connect to most major UK banks. Reconciliation is automated, and VAT returns are submitted directly to HMRC. MTD support is built in across both plans.

Sage offers cash flow forecasting within its standard plan, which is a feature most competitors reserve for higher tiers or add-ons. If managing cash flow is a priority — particularly for businesses with irregular income — this is worth paying attention to.

Sage also has a strong track record of UK compliance. It updates quickly when HMRC changes rules, and its MTD implementation has been in place since the first phase. For businesses that want to know their software is maintained by a team with deep HMRC knowledge, Sage’s track record counts for something.

Who it suits

Sage suits established small businesses and limited companies that want a stable, compliance-focused platform with strong UK support.

Who it does not suit

Sage’s interface feels more dated than Xero or FreshBooks, and its app ecosystem is smaller. If you need modern integrations or a slick mobile experience, look elsewhere.

Pros

– Long-standing UK compliance track record

– Cash flow forecasting on the standard plan

– Full MTD support

– Reliable bank feeds

– UK-based customer support

Cons

– Interface less modern than competitors

– Fewer integrations than Xero

– Limited mobile app functionality

Try Sage free for 30 days →

Wave, best free accounting software for micro businesses

Wave is the only genuinely free accounting tool on this list. It covers invoicing, expense tracking, and basic reporting at no cost, making it a practical starting point for very early-stage businesses.

Pricing

Wave’s core accounting, invoicing, and receipt scanning tools are free. It charges for payroll (from £20/month) and payment processing (card processing fees apply).

Key features

Wave’s invoicing is clean and professional. You create unlimited invoices, set up recurring billing, and accept online payments through Wave Payments. Expense tracking connects to bank accounts, and basic profit and loss reports are included.

The platform is straightforward to navigate and does not require any bookkeeping knowledge to use.

Important limitation: Wave is not MTD-compatible. It does not submit VAT returns directly to HMRC and does not support MTD for Income Tax. If you are VAT-registered or approaching the MTD income threshold, Wave is not the right tool.

Who it suits

Wave suits very early-stage sole traders who are not yet VAT-registered and want to get organised without any upfront cost. It is a starting point, not a long-term solution for most UK businesses.

Who it does not suit

Any VAT-registered business should not use Wave as its primary accounting tool. It also lacks the depth of features that growing businesses need.

Pros

– Completely free for core features

– Clean, easy-to-navigate interface

– Good invoicing and recurring billing

– No client or invoice limits

Cons

– Not MTD-compatible

– No VAT return filing

– Limited UK-specific features

– Not suitable for VAT-registered businesses

Visit Wave →

Which accounting software is right for you?

The best accounting software depends entirely on your business type, VAT status, and how you work. Here is how I would match each tool to a business type.

Making Tax Digital: what small businesses need to know

Making Tax Digital for Income Tax Self Assessment (MTD for ITSA) is HMRC’s programme to move UK tax record-keeping and submissions to digital software.

From April 2026, sole traders and landlords with total income above £50,000 must use MTD-compatible software to keep digital records and submit quarterly updates to HMRC. The threshold drops to £30,000 from April 2027, and a further expansion is expected after that.

What this means in practice is that quarterly income and expenditure summaries must be submitted digitally through MTD-compatible software. Annual self-assessment returns will still be required, but the process changes significantly.

If you use spreadsheets or paper records today, you need to switch to a compliant platform before your mandation date. Every tool on this list except Wave is MTD-ready for both VAT and Income Tax.

If you are already on Xero, QuickBooks, FreeAgent, FreshBooks, or Sage, check that your plan includes MTD submissions — and speak to your accountant if you are unsure which threshold applies to you.

Best accounting software for small business FAQs

My Suffolk Business verdict

For most UK small businesses, Xero is the strongest choice. Its bank reconciliation, MTD compliance, ecommerce integrations, and the fact that most accountants know it well make it the safest long-term pick for a growing business.

If you are a sole trader or freelancer, FreeAgent is worth serious consideration — particularly if you are already with NatWest or RBS. The self-assessment support and real-time tax estimates remove a lot of the anxiety that comes with running your own finances.

QuickBooks sits between the two: cheaper than Xero at the entry level, with solid self-assessment support, and genuinely good for sole traders who do not need the full weight of Xero’s feature set.

FreshBooks is the pick for service businesses that live in proposals, retainers, and time-tracked projects. Sage suits established businesses that want a stable, compliance-focused platform with a long track record in the UK.

Wave is a sensible starting point if cost is the deciding factor and you are not yet VAT-registered — but treat it as a temporary home rather than a long-term solution.

Top picks by use case:

• Best overall: Xero — Try free for 30 days →
• Best for freelancers: FreeAgent — Try free for 30 days →
• Best for sole traders: QuickBooks — Try free for 30 days →
• Best for service businesses: FreshBooks — Try free for 30 days →
• Best for established businesses: Sage — Try free for 30 days →
• Best free option: Wave — Visit Wave →