How Much Does an Accountant Cost for a Small UK Business?

In 2026, the cost of an accountant for a small business in the UK spans from £50 to £500 per month. 

Accountants are your personal link to HM Revenue & Customs (HMRC) and other tax-related institutions, which perform a vital role for your business.

To ensure they submit taxes and VAT returns accurately and on time, businesses often choose to employ the services of an accountant or an accounting firm.

But how much exactly should you prepare to spend, and what can you expect in return? In the following sections, we answer these questions and more.

How Much Does an Accountant Cost For a Small Business?

The cost of an accountant depends on your business size, structure, and complexity. Size refers to the number of employees. Scope refers to your annual turnover.

As a general guide for 2026, typical monthly costs fall within these ranges:

• Sole trader – self-employed accountant fees range from £50 to £100 per month for basic services such as self-assessment tax returns, expense tracking, and simple bookkeeping. Entry-level monthly packages for small businesses (especially sole traders) can also fall below £50.
  
• Limited company – £100-£250 per month, which usually includes annual accounts, Corporation Tax returns, and ongoing bookkeeping support.
  
• VAT-registered business – accountant fees for small businesses registered for VAT span from £150 to £400+ per month. They cover VAT returns, more detailed reporting, and compliance requirements on top of standard accounting services.

Several factors affect your monthly accounting fees. These include turnover, payroll, VAT registration, and overall business complexity.

Higher revenue usually means more transactions and reporting. This increases bookkeeping costs.

Hiring staff adds more work. You must handle PAYE, pensions, and compliance reporting. These tasks require payroll services, which increase your total accounting fees.

What Services Are Usually Included in the Accounting Fee?

Accounting fees in the UK do not follow a single standard. Providers offer tiered or bundled packages. Your total cost depends on the level of support you choose.

Understanding the typical accounting fees breakdown enables small businesses to compare providers and select the most suitable accountant service options. 

While accounting services vary by package, most providers include these core options:

• Annual Accounts Preparation – Includes preparing and filing your statutory accounts with Companies House. For a limited company accountant, this is a foundational service that usually shapes most packages.
  
• Corporation Tax or Self Assessment – Accountants can also handle Corporation Tax returns for limited companies and Self Assessment tax returns for sole traders. These are core filings, and tax return accountant fees are usually added into monthly packages or charged annually based on the accountant pricing model.
  
• VAT Returns – Accountants also prepare and submit VAT returns for VAT-registered businesses. This service often increases the overall tax return preparation costs as it requires extra compliance and reporting.
  
• Payroll Services – If your business employs staff, you may also require payroll services as part of your accounting plan. This includes things like payslips, PAYE submissions, and pension contributions – all essentials for full-service accounting.
  
• Confirmation Statements – For limited companies, accountants often handle the annual confirmation statement submission to Companies House, ensuring your business information stays up to date.
  
• Bookkeeping Support – Some packages include ongoing bookkeeping, while others expect you to manage it using software. Some accountants also support or integrate with tools like Xero or QuickBooks, which can sometimes accrue separate accounting software fees.

Some businesses require one or two of these services, while others may benefit from a full package including all. 

Do Accountants Charge Hourly or Fixed Fees?  

In the UK, accountants can charge via two different pricing models – hourly billing or fixed monthly packages. 

Some prefer to charge by the hour, especially when conducting one-off tasks or advisory work. Prices can vary dramatically, but typical hourly rates span from £50 to £150 per hour in the UK. This hourly pricing structure is often used for ad-hoc professional accounting advice, fixing errors, reviewing accounts, business setup or restructuring, and specialist business tax planning.

In contrast, fixed monthly packages can include things like annual accounts preparation, tax returns, VAT returns, bookkeeping, and regular financial advisory services. This structure provides more transparency and is usually part of a clear accountant service agreement, which helps minimise risks of hidden accounting costs and unexpected expenses.

Why Hiring an Accountant is Crucial For Your Small Business

Although there are some parts of accounting that can be handled without professional help, hiring an accountant ensures compliance, efficiency, and most importantly, financial security.

An experienced professional can make sure you’re meeting HMRC deadlines and can help avoid costly penalties and legal conflicts. 

By partnering with an accountant, you can also strengthen business tax planning and minimise tax liabilities. Not to mention the valuable financial advisory services you can receive, enabling you to make better-informed decisions. 

Your accountant can also help you set up a direct debit order so that your monthly fee is automatically deducted from your account, making it one less hassle you need to worry about each month.

When hiring an accountant, it’s also important to see if they have professional liability insurance. This cover protects you if they make an error.

How Accountants Help You Stay Compliant With HMRC  

No matter what size your business is or what sector you’re in, staying compliant with HMRC is a top priority. Given that regulations constantly change and evolve, missing an update or a new requirement can mean penalties, interest charges, and stress.

An accountant can help you stay compliant with the following:

• Making Tax Digital – applies to VAT-registered businesses, obliging them to keep digital records and submit VAT returns through specific software.
  
• VAT filing requirements – UK VAT-registered businesses are obliged to submit VAT returns (usually on a quarterly basis). An accountant can help categorise transactions correctly, apply the right VAT rates, and file within the mandatory deadlines.
  
• Payroll and RTI submissions – businesses with employees must report payroll to HMRC via Real Time Information. Your accountant can submit payroll information when employees are paid, calculate PAYE tax and National Insurance, and take care of pensions and statutory payments.
  
• Corporation tax – before 31 March 2026, limited companies were obliged to file annual accounts with Companies House and Corporation Tax returns (CT600) with HMRC. From 1 April 2026, the HMRC’s free service will be permanently closed, and businesses must use commercial software to file CT600 returns. An accountant can handle these processes with ease, helping businesses avoid disruptions. 

In short, a professional accountant can take care of this part of running a business so you can focus on what you do best. 

What Affects the Cost of an Accountant?  

Several factors affect the price you pay for an accountant. Here is a detailed breakdown.

Business Structure

Business structure directly affects the cost of accounting services.

Sole traders usually pay lower fees because their reporting requirements are simpler. In most cases, this includes basic income reporting and a self-assessment tax return.

Limited companies face higher costs due to stricter compliance obligations. These include preparing statutory annual accounts, filing Corporation Tax returns, and meeting Companies House requirements. This increases the workload and the level of expertise required, which raises the overall accounting fees.

Other structures also affect pricing. Partnerships require shared profit reporting and coordination between partners, which adds complexity. Limited Liability Partnerships must meet filing and compliance standards similar to limited companies. These factors increase the time and expertise required, which impacts accounting costs.

VAT Registration

VAT registration increases the scope and cost of accounting services.

Accountants working with VAT-registered businesses must prepare and submit regular VAT returns, usually on a quarterly basis. This involves reviewing transactions, applying the correct VAT rates, and ensuring compliance with HMRC rules.

VAT also requires accurate record-keeping and ongoing monitoring. Errors in VAT treatment can lead to penalties or incorrect filings, so accountants must carry out additional checks and reconciliations. This adds recurring compliance work.

As a result, accounting services for VAT-registered businesses are typically more expensive due to the increased workload and responsibility.

Number of Employees

The number of employees directly affects accounting costs.

Running payroll introduces additional responsibilities such as processing payslips, calculating PAYE, managing pension contributions, and submitting Real Time Information (RTI) to HMRC. Each of these tasks requires accuracy and regular reporting.

As your team grows, the administrative workload increases. More employees mean more payroll entries, adjustments, and compliance checks each pay cycle. This raises the time required to manage payroll and increases the risk of errors if not handled correctly.

As a result, businesses with more employees typically pay higher accounting fees due to the added complexity and ongoing payroll obligations.

Industry 

Industry influences accounting costs because each sector has its own rules and reporting demands.

Sectors such as construction often involve contract accounting and CIS compliance. eCommerce businesses must handle high transaction volumes, platform integrations, and complex VAT treatment across jurisdictions. Companies that trade internationally deal with foreign currencies, cross-border tax rules, and additional reconciliation work.

These requirements demand more specialised knowledge and closer oversight. Accountants must spend more time reviewing data, applying the correct treatment, and ensuring compliance. This increases both the effort involved and the overall cost of the service.

Transaction Volume

Transaction volume is one of the main drivers of accounting workload and cost.

Each transaction must be recorded, categorised, and reconciled against bank feeds or statements. As volume increases, so does the need for tighter controls, frequent reconciliations, and exception handling. High-volume businesses, such as eCommerce or retail, often require batch processing, automation tools, and periodic reviews to ensure data accuracy.

More transactions also increase the likelihood of discrepancies, duplicate entries, or misclassifications. Accountants must investigate and resolve these issues to maintain clean financial records. This adds review time and requires more structured processes.

As a result, higher transaction volumes lead to greater bookkeeping effort, more frequent checks, and increased reliance on systems and controls, all of which raise the overall cost of accounting.

Whether Bookkeeping Is Included

Bookkeeping scope affects total accounting cost.

Some accountants include bookkeeping in their base fee, while others price it separately. Bookkeeping covers transaction entry, categorisation, and regular reconciliations. This forms the foundation for accurate reporting.

If you outsource bookkeeping, you pay for ongoing data processing and quality control. If you handle it in-house, costs shift to internal time and risk of errors. Poor records increase correction work later, which can raise fees at year-end.

Clear scope at the start helps control costs and avoids rework.

Questions To Ask Before Hiring an Accountant 

Before hiring an accountant, we highly recommend that you ask the following questions:

• What is included in the full service price? – Confirm whether the fee covers bookkeeping, VAT returns, payroll, year-end accounts, and tax filings. This avoids unexpected add-on charges.
  
• Do you have professional liability insurance? – This protects your business if errors occur. It also signals that the accountant operates to professional standards.
  
• Do you have experience in preparing payroll? – Check their ability to handle PAYE, pensions, and RTI submissions if you employ staff.
  
• Will you be my appointed agent with HMRC? – This allows them to communicate directly with HMRC and manage filings on your behalf, which saves time and reduces risk.
  
• Do you work with a specific online bookkeeping package? How much does it cost? And is it simple for me to use? – Ensure the software fits your workflow and that you understand any subscription costs. Ease of use affects how well you maintain your records.
  
• How much will I be able to save per year? – A good accountant should identify tax efficiencies and provide realistic estimates based on your business profile.
  
• Are there automatic reminders for tax and VAT deadlines? – This helps you stay compliant and avoid penalties due to missed submissions.

Once you have clear answers, you can assess both value and cost with confidence. These factors directly influence the monthly fees and the level of support you receive.

Can You Reduce Your Accounting Costs?  

As a small business in the UK, you can reduce your accounting costs by exploring several options. Your main objective is to reduce the time your accountant spends on admin.

You can do this by:

• Using bookkeeping software – Cloud tools for accounting allow you to monitor income and costs in real time, meaning that your accountant spends less time cleaning up data.
  
• Keeping digital records – Keeping digital records of invoices, receipts, and expenses can also dramatically reduce the time spent on collecting and analysing data.
  
• Separating business finances from personal finances – Use a dedicated business account to make sure your transactions are clean and easy-to-track.
  
• Using integrated POS and reporting tools – Solutions like myPOS can help automate transaction records for every sale and enjoy exportable sales reports that integrate easily with accounting software.

These small, yet effective practices can sometimes lead to significant reductions in accounting costs for your business.

Is an Accountant Worth the Cost for a Small Business?  

An accountant provides financial oversight and compliance support that most small businesses cannot sustain in-house.

For most UK SMEs, the cost is justified by the reduction in risk and the improvement in financial control. An accountant ensures that filings with HMRC are accurate and on time, which helps avoid penalties and unnecessary scrutiny. They also maintain clean records, which supports reliable reporting and smoother year-end processes.

Beyond compliance, an experienced accountant adds operational value. They identify tax efficiencies, highlight cash flow issues early, and provide data that supports better decisions. This allows business owners to focus on growth while maintaining financial stability and control.

Disclaimer

Please be aware that the contents of this article and the myPOS Blog, in general, should not be interpreted as legal, monetary, tax, or any other kind of professional advice. You should always seek to consult with a professional before taking action, since the particulars of your situation may materially differ from other cases.

Frequently Asked Questions

Do I still need an accountant if I use bookkeeping software?

Yes. Software records data, but it does not ensure correct tax treatment or compliance. An accountant reviews entries, corrects errors, and ensures submissions meet HMRC standards. This reduces risk and improves accuracy.

Are one-off year-end accounts cheaper than ongoing support?

In most cases, yes – upfront. However, one-off services can mean higher costs later if issues need fixing. Ongoing support often provides better value by minimising errors, improving efficiency, and making costs more predictable for the business.

What penalties can an accountant help me avoid?

Accountants help you avoid fines related to late or incorrect VAT returns, missed Corporation Tax deadlines, payroll errors, and inaccurate filings.

Is it cheaper to hire a local accountant or an online firm?

Online firms often offer lower, fixed pricing due to standardised processes. Local accountants may charge more but provide face-to-face support. The better choice depends on how much guidance you need.

How can better POS reporting reduce reconciliation time?

Structured POS data groups sales, fees, and refunds clearly. This reduces manual sorting and speeds up bank reconciliation. For example, daily summary reports can replace hundreds of individual entries.