What does an accountant do for your small business?

Published Friday 15 May 2026

Table of contents

• What do accountants do? The core role
• Types of accountants for small businesses
• What can accountants do for your small business?
• How accountants and accounting software work together
• When should you hire an accountant?
• What to look for in an accountant
• How to find an accountant
• Get more from your accountant with the right tools
• FAQs on working with accountants

Key takeaways

• Hire an accountant when you earn more than £25,000 annually or spend several hours each week on bookkeeping, as the cost of mistakes or missed opportunities will likely outweigh their fees.
• Look for accountants who offer strategic advisory services beyond basic compliance work, including cash flow management, business planning, and technology setup to automate your financial processes.
• Choose an accountant with relevant qualifications (ACCA, CIMA, ACA, or ICAEW), small business experience in your industry, and proficiency with cloud accounting software to maximise collaboration and efficiency.
• Modern accountants go beyond tax returns and compliance; they help with Making Tax Digital (MTD) requirements, business strategy, debt management, hiring, and setting up cloud-based tools to streamline your finances.

What do accountants do? The core role

An accountant is a financial professional who manages, analyses, and reports on your business finances to keep your records accurate, your taxes filed correctly, and your business compliant with regulations. Modern accountants go well beyond compliance; they also act as strategic advisers who help you plan for growth, manage cash flow, and navigate changing rules like Making Tax Digital (MTD).

In the UK, MTD for VAT already requires most VAT-registered businesses to keep digital records and submit returns through compatible software. MTD for Income Tax Self Assessment is being phased in from April 2026 for self-employed individuals and landlords earning over £50,000, with further thresholds following. Your accountant can help you prepare for these changes and stay on the right side of HM Revenue and Customs (HMRC).

Core accountant responsibilities include:

• Financial record-keeping. Maintaining accurate books and transaction records
• Tax preparation and filing. Completing returns and meeting HMRC deadlines
• Financial reporting. Producing profit and loss statements, balance sheets, and cash flow reports
• Compliance. Ensuring your business meets legal and regulatory requirements, including MTD obligations
• Payroll processing. Calculating wages, tax, and National Insurance contributions

These are the fundamentals of business accounting. But most small business accountants offer much more than basic number-crunching.

Types of accountants for small businesses

Different types of accountants specialise in different areas. Understanding the options helps you find the right fit for your business needs.

• Tax accountants. Focus on tax planning, compliance, and dealings with HMRC
• Management accountants. Provide strategic advice, budgeting, and performance analysis
• Financial accountants. Prepare financial statements and ensure accurate reporting
• Public practice accountants. Work in accounting firms serving multiple business clients
• In-house accountants. Work as employees within a single company

Most small businesses work with public practice accountants who offer a mix of tax, compliance, and advisory services. As your business grows, you might add specialists for specific needs.

What can accountants do for your small business?

Accountants offer far more than filing tax returns. They provide strategic advice, find ways to save you money, and help boost revenue. They also automate administrative tasks so you can focus on running your business.

With the right accountant, you'll operate with more clarity and confidence. Here's what they can do for you.

1. Master your tax obligations

A great accountant does far more than file your returns. They take a proactive approach to managing your tax position throughout the year, helping you stay compliant with MTD requirements and minimise your tax burden.

A skilled accountant will:

• reduce your tax exposure through legitimate planning
• resolve old tax debts with HMRC
• fix poor record-keeping before it causes problems, especially as MTD rules require many businesses to keep digital accounting records and submit quarterly updates
• help you avoid triggering audits
• ensure your books are watertight if you are audited

2. Launch a startup

An accountant helps turn your business idea into a funded reality. Many accountants are uniquely positioned to help with startups. A recent Association of Chartered Certified Accountants (ACCA) survey shows nearly half of women finance professionals aspire to become entrepreneurs, giving them firsthand insight into the startup journey.

Starting up takes more than a good concept. You need to prove your idea will make money and convince lenders to back you.

An accountant supports your startup by:

• testing your idea for financial viability
• identifying startup and operating costs
• creating credible revenue forecasts
• connecting you with the right lenders
• refining your pitch to impress investors

3. Help with business strategy

Accountants help you focus on what matters most for growth. With so many moving parts in a business, it's hard to know where to direct your energy.

Your accountant will work with you to set personal, professional, and financial goals. They'll give you tools to measure progress, including key performance indicators (KPIs) that show how your business is performing.

If you use accounting software, your accountant can set up dashboards to check your KPIs anytime. When things aren't going to plan, they'll troubleshoot issues, test solutions, and reset your targets.

4. Fix your cash flow

Accountants help you avoid running out of money at the wrong time. Many profitable businesses fail because they can't pay suppliers or staff when cash is tight. Even a busy business won't survive if payments come in slowly or spending runs too high.

Your accountant understands that revenue and costs fluctuate. They'll predict the effect on cash flow, organise reserves, and create a spending plan that keeps money in the bank. You can learn more about planning ahead with cash flow forecasting.

5. Manage your debt and finances

Accountants help you use debt strategically to grow your business. There's good debt (investment that generates returns) and bad debt (borrowing that drains resources). Your accountant helps you tell one from the other and find borrowing strategies with the right mix of flexibility and low interest.

Late payments are a fact of business life, but chasing debtors distracts you from more important work. Your accountant can set up invoice systems with automatic payment reminders, follow up with customers who don't respond, and arrange invoice financing where a third party buys your unpaid invoices and collects payment for you.

If you need funding, your accountant also helps you secure it. Lenders need solid financials and credible forecasts, but that's just the start. Your accountant will craft a compelling loan application that sells the wider vision for your business, using graphs, charts, and forecasting tools that loan officers trust.

6. Budget smartly

Accountants create accurate budgets that give you real confidence. Detailed budgeting takes time and energy. Without help, many businesses work from vague numbers full of assumptions.

A rigorous budget from your accountant shows you:

• the real cost of doing business
• how much money you can reinvest
• what you can pay yourself

7. Help with hiring and payroll

Accountants help you hire the right people and manage payroll correctly. If you need staff but aren't sure where to start, your accountant can guide you through the process.

They support your hiring by:

• identifying which type of hire will boost your business most
• calculating the full cost of hiring, training, and paying an employee
• setting up compliant payroll, including tax, insurance, and government paperwork

8. Set up your cloud accounting software

Accountants set up cloud accounting software that automates your financial admin. Your accountant can connect your systems so sales and expense data flows directly into your accounts. They'll configure invoicing that tracks what's been paid and sends automatic reminders to late payers.

A tech-savvy accountant can also set up affordable tools for other parts of your business, including:

• staff scheduling and time recording
• point of sale
• taking payments
• customer relationship management

Automating these processes reduces admin, lowers costs, and keeps everything running smoothly. Look for an accountant who understands business apps and can recommend the right solutions for small business accounting.

9. Help you manage stock

Accountants help you manage stock more efficiently and reduce waste. Poor stock management costs money through excess storage, obsolete goods, and lost sales from running out of popular items.

Your accountant can help by:

• identifying the true cost of holding stock
• reviewing sales data to predict demand accurately
• setting up software that tracks levels and auto-orders when stock runs low

10. Improve your business efficiency

Accountants identify unnecessary costs and improve your operational efficiency. Business costs can climb quickly across storage, energy, IT, and staffing.

If you don't have time to analyse these expenses strategically, your accountant can do it for you. They'll spot inefficiencies and help you develop more cost-effective ways of working, freeing up resources you can put back into growing your business.

How accountants and accounting software work together

Accounting software and accountants serve different but complementary roles. Software handles the routine admin, such as data entry, bank reconciliation, invoicing, and real-time reporting. Your accountant interprets that data, provides strategic advice, ensures compliance, and optimises your tax position.

With MTD for VAT already in place and MTD for Income Tax approaching, using compatible software isn't just convenient; it's becoming a legal requirement for many businesses. Cloud accounting software keeps your records digital and up to date, which makes quarterly submissions to HMRC straightforward.

When your accountant has real-time access to your financial data through cloud software, they spend less time chasing paperwork and more time advising you on growth, cash flow, and tax planning. The combination of smart software and a skilled accountant gives you the best of both worlds: automation where it saves time, and human expertise where it adds value.

When should you hire an accountant?

Hire an accountant when the cost of mistakes or missed opportunities outweighs their fees. There's no single right moment, but certain situations signal it's time to get professional help. You can find more detail in this guide on when to hire an accountant.

Consider hiring an accountant when you:

• earn more than £25,000 annually and tax complexity increases
• spend more than a few hours each week on bookkeeping
• plan to apply for funding or loans
• want to grow but aren't sure your finances can support it
• face a tax investigation or compliance issue
• need to prepare for MTD for Income Tax deadlines
• hire employees and need to manage payroll

You can bring in an accountant at any time. Many business owners find that getting professional support earlier saves money in the long run through better planning and fewer costly mistakes. If you're self-employed, an accountant can also help you navigate the specific tax rules that apply to sole traders and partnerships.

What to look for in an accountant

Look for an accountant who combines the right qualifications with a good personal fit. Technical skills matter, but so do communication style and understanding of your business.

Key qualities to evaluate:

• Relevant qualifications. Look for ACCA, Chartered Institute of Management Accountants (CIMA), Associate Chartered Accountant (ACA), or Institute of Chartered Accountants in England and Wales (ICAEW) certification; ICAEW is a globally recognised body with over 210,000 members and students in 150 countries
• Small business experience. They should understand the challenges you face
• Industry knowledge. Experience in your sector helps them give relevant advice
• Technology proficiency. Familiarity with cloud software like Xero speeds up collaboration
• Clear communication. They should explain financial concepts in plain language
• Transparent fees. Understand their pricing structure before you commit
• Advisory mindset. The best accountants offer strategic guidance, not just compliance

Meet potential accountants before deciding. The relationship works best when you feel comfortable asking questions and discussing challenges openly. For more guidance, read this article on how to choose an accountant.

How to find an accountant

Start by asking people you trust for recommendations. Friends, family, and business partners can point you toward accountants who have served them well.

If you need more options beyond personal recommendations, a directory of progressive accountants is available, featuring professionals who offer a wide range of services and understand cloud-based business software. Browse the Xero adviser directory to find an accountant near you. You can also read accountant and bookkeeper stories to learn about financial advisers from diverse backgrounds.

Get more from your accountant with the right tools

The right accountant transforms how you run your business. A proactive accountant brings extra capability and insight that helps you grow, from solving problems directly to connecting you with the right specialists.

To make your accountant's job easier and your life simpler, consider cloud-based accounting software that lets you collaborate in real time. When your accountant can access up-to-date financials at any time, you'll spend less time on admin and more time on the work that matters. Learn the accounting basics and see how the right tools support your accountant relationship.

Get one month free to see how Xero works alongside your accountant to streamline your finances.

FAQs on working with accountants

Here are answers to frequently asked questions about working with accountants as a small business owner in the UK.

How much does an accountant cost for a small business?

Small business accountants in the UK typically charge £500–£3,000 per year, depending on your business complexity and the services you need. Some charge hourly rates (£25–£150), while others offer monthly retainers or fixed-fee packages. The value they provide by saving you tax and freeing up your time often outweighs the cost.

What's the difference between an accountant and a bookkeeper?

Bookkeepers handle day-to-day transaction recording, bank reconciliation, and basic financial reports. Accountants provide higher-level services including tax planning, strategic advice, compliance, and financial analysis. Many small businesses use both, with a bookkeeper managing routine tasks and an accountant handling complex matters.

When should I hire an accountant for my small business?

Consider hiring an accountant when you earn more than £25,000 annually, spend significant time on financial admin, plan to seek funding, or face growing tax complexity. With MTD for Income Tax coming into effect from April 2026, getting an accountant early can help you prepare for new digital reporting requirements.

Do I need an accountant if I use accounting software?

Yes, software and accountants work best together. Accounting software handles data entry, automation, and real-time reporting. Your accountant interprets that data, provides strategic advice, ensures compliance, and optimises your tax position. An accountant who's certified in your chosen software can maximise the value you get from both.

How do I know if my accountant is doing a good job?

Signs of a good accountant include proactive communication and strategic recommendations beyond basic compliance. They should clearly explain your financial position, respond quickly to questions, and keep you penalty-free with HMRC. A great accountant stays in touch throughout the year rather than only appearing at tax time.

What is the difference between a chartered accountant and an accountant?

A chartered accountant has completed rigorous professional exams and training through a recognised body such as ICAEW, ACCA, or ICAS (Institute of Chartered Accountants of Scotland). The chartered designation signals a higher level of qualification, ongoing professional development, and adherence to a strict code of ethics. While any accountant can handle basic bookkeeping and tax filing, chartered accountants are qualified to provide advanced advisory, audit, and assurance services.