Can a bookkeeper do tax returns? UK rules explained

Published Tuesday 21 April 2026

Table of contents

• What does a bookkeeper do?
• What does an accountant do?
• What is the difference between an accountant and a bookkeeper?
• Can a bookkeeper do tax returns?
• When do you need a registered tax agent?
• How do you know if you need a bookkeeper?
• The benefits of working with a bookkeeper for Making Tax Digital for Income Tax
• FAQs on bookkeepers and tax returns

Key takeaways

• Verify that any bookkeeper you hire for tax return preparation is supervised by a professional body like the Association of Accounting Technicians (AAT) or registered with HMRC, as this is a legal requirement for anyone providing paid tax services in the UK.
• Recognise that bookkeepers can handle day-to-day tasks like self-assessment returns, VAT submissions, and Making Tax Digital compliance, but turn to a chartered accountant when you face complex situations such as multiple income sources, capital gains, or HMRC disputes.
• Prioritise hiring a bookkeeper if managing your own financial records is taking five or more hours a week away from running your business, as professional support reduces errors, lowers the risk of HMRC penalties, and gives you clearer visibility of your cash flow.
• Prepare for Making Tax Digital for Income Tax, which becomes mandatory from 6 April 2026 for sole traders and landlords earning over £50,000, by working with a bookkeeper who can set up compliant software and submit the required quarterly updates on your behalf.

What does a bookkeeper do?

A bookkeeper records and organises your business's daily financial transactions. Their core responsibilities include tracking sales, purchases, payments, and receipts to keep your books balanced and up to date.

Accurate bookkeeping supports everything from cash flow tracking to preparing for tax time.

What does an accountant do?

An accountant analyses and interprets your financial data to provide strategic business advice. While bookkeepers record transactions, accountants use that information to guide decision-making.

Accountants help you with:

• Financial analysis: interpreting records to assess business performance
• Forecasting: predicting future revenue and expenses
• Growth strategies: developing plans based on financial insights
• Tax expertise: planning for liabilities and ensuring regulatory compliance

What is the difference between an accountant and a bookkeeper?

The main difference is scope: bookkeepers handle daily financial tasks while accountants provide strategic analysis and advice. Both roles complement each other.

Bookkeepers handle:

• Daily transaction recording: sales, purchases, and expenses
• Bank reconciliation: matching records with bank statements
• Digital record maintenance: essential for Making Tax Digital compliance
• Tax return preparation: many offer this service

Accountants focus on:

• Strategic financial advice: business planning and growth
• Complex tax planning: advanced strategies and compliance
• Financial analysis: interpreting data for decision-making
• Audit preparation: formal reviews and certifications

For Making Tax Digital (MTD) for Income Tax, bookkeepers acting as your agent can handle all required services using compatible software to create, store and correct digital records and submit quarterly updates.

Can a bookkeeper do tax returns?

Yes, many bookkeepers can prepare and submit tax returns in the UK, provided they have appropriate qualifications or supervision. Their services vary by specialisation.

What bookkeepers can do:

• Prepare Income Tax returns: complete self-assessment and basic tax calculations
• Submit VAT returns: file quarterly submissions to HM Revenue and Customs (HMRC)
• Maintain MTD-compliant records: keep digital records for quarterly updates
• Implement compliant software: select and set up MTD-approved systems

Service levels vary by qualification:

• Basic bookkeepers: focus on transaction recording and reports
• Tax-qualified bookkeepers: handle full tax preparation and submission
• MTD specialists: provide expert digital compliance support

Before hiring, verify your bookkeeper is supervised by a professional body like the Association of Accounting Technicians (AAT) or registered with HMRC for paid tax services.

When do you need a registered tax agent?

You need a registered tax agent or chartered accountant when your tax situation requires specialist expertise or formal HMRC representation.

In the UK, anyone providing paid tax advice must be supervised by a professional body like the Association of Accounting Technicians (AAT) or registered with HMRC.

Consider a registered tax agent if you have:

• Complex tax situations: multiple income sources, overseas income, or capital gains
• Strategic planning needs: minimising tax liability through advanced strategies
• HMRC disputes: formal appeals or investigations requiring representation
• Business restructuring: changes that affect your tax position significantly

To verify qualifications, check AAT membership status or confirm HMRC agent registration before hiring.

How do you know if you need a bookkeeper?

Hiring a bookkeeper makes sense when managing your finances becomes a barrier to running your business. Consider professional support if you face these challenges:

• Time constraints: insufficient time to maintain accurate financial records
• Limited expertise: unfamiliarity with bookkeeping processes and requirements
• System fragmentation: disconnected apps creating confusion and errors
• MTD concerns: feeling uncertain about compliant software requirements
• Penalty risks: risk of HMRC fines if you don't comply or make errors, including a penalty of up to £400 for failing to use functional compatible software

The benefits of working with a bookkeeper for Making Tax Digital for Income Tax

Working with a bookkeeper for Making Tax Digital delivers measurable benefits: improved accuracy, time savings, better ability to see your cash flow, and reduced compliance risk. Here's how each benefit supports your business.

Accuracy

Accuracy from professional bookkeeping reduces errors and ensures compliance. Trained bookkeepers maintain precise records that support:

• Correct tax returns: calculating accurately and submitting on time
• MTD compliance: meeting HMRC digital record-keeping requirements
• Avoiding penalties: following proper procedures to prevent costly mistakes, as filing returns with errors can result in a penalty of up to 100% of the VAT owed

Regular maintenance

Regular maintenance keeps your financial records consistent and current. Professional bookkeepers work systematically, which:

• Reduces errors: consistent processes minimise mistakes
• Supports MTD compliance: regular record-keeping enables quarterly updates
• Catches issues early: systematic reviews identify problems before they grow

Time savings

Time savings of five–10 hours per week allow you to focus on revenue-generating activities. Redirect that time towards:

• Business development: growing your customer base
• Strategic planning: improving operations and profitability
• Work-life balance: reducing stress and administrative burden

Improved cash flow

Improved cash flow helps you see your finances clearly and make better business decisions. Regular bookkeeping provides real-time financial insights:

• Current cash position: knowing exactly how much money you have available
• Payment patterns: understanding when customers typically pay invoices
• Expense trends: identifying opportunities to reduce costs or improve timing

Peace of mind

Peace of mind comes from knowing a professional handles your financial obligations. A qualified bookkeeper provides:

• Compliance confidence: knowing your records meet HMRC requirements
• Professional accuracy: reducing the risk of errors and penalties
• Expert guidance: receiving advice on digital record-keeping best practices

Getting started with the right professional support

Choosing between a bookkeeper and an accountant depends on your business needs. A bookkeeper keeps your daily finances in order, while an accountant provides strategic insights for growth. Both can help you run your business with more confidence.

Ready to find an MTD-compliant bookkeeper? Browse qualified professionals in the Xero advisor directory who use Xero-approved software to help keep your business compliant and organised. Or, if you're looking to manage your books with simple, intuitive software, get one month of Xero free.

FAQs on bookkeepers and tax returns

Here are answers to common questions about bookkeepers and tax returns.

Can bookkeepers prepare tax returns?

Yes, many bookkeepers can prepare and submit tax returns if they have appropriate qualifications or supervision from a professional body like AAT or are registered with HMRC.

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

Bookkeepers record daily financial transactions, while accountants analyse that data to provide strategic business advice. Bookkeepers focus on maintaining accurate records, whereas accountants help with tax planning, forecasting, and business strategy.

Do I need a bookkeeper for Making Tax Digital?

While you're not required to hire a bookkeeper, working with one can help ensure you meet MTD requirements. A bookkeeper can set up compliant software, maintain digital records, and submit quarterly updates on your behalf.

How much does a bookkeeper cost?

Bookkeeping costs vary based on your business size, transaction volume, and required services. Rates typically range from £20–£50 per hour, or you may find fixed monthly packages starting from £100.

When should I hire a bookkeeper instead of an accountant?

Hire a bookkeeper for daily transaction recording, bank reconciliation, and basic tax return preparation. Choose an accountant when you need strategic financial advice, complex tax planning, or formal HMRC representation.