Small Company Accounts Explained: A Practical Guide for UK Businesses

Small company accounts are a key part of running a UK limited company. They tell Companies House, shareholders, HM Revenue & Customs (HMRC) and other interested parties how the business has performed financially and what it owns and owes. The good news is that qualifying small companies can benefit from simplified accounting and filing requirements compared with larger businesses. But “small company” does not mean “no accounts” or “no compliance”.

For founders, directors and overseas entrepreneurs running a UK company, understanding the difference between small-company accounts, micro-entity accounts, dormant accounts and Corporation Tax returns is essential. This guide explains what small company accounts are, who qualifies, what needs to be prepared and filed, the deadlines to know and the important changes coming in 2028.

What Are Small Company Accounts?

Small company accounts are annual statutory accounts prepared by eligible companies under the small companies regime in the Companies Act 2006. A qualifying company can generally take advantage of reduced reporting requirements compared with medium-sized and large companies. For accounting periods beginning on or after 6 April 2025, a company generally qualifies as small if it meets at least two of these three conditions:

These thresholds are significantly higher than the thresholds for micro-entities. This means that a company can be classified as small without being anywhere near micro-entity size. The size test is important because it determines which reporting framework and exemptions may be available.

Small Company vs Micro-Entity: What's the Difference?

These terms are often confused. A micro-entity is an even smaller category of company. For accounting periods beginning on or after 6 April 2025, it generally needs to meet at least two of:

• Turnover of £1 million or less
• Balance sheet total of £500,000 or less
• 10 employees or fewer on average

A small company has considerably higher limits. For example, a consultancy with £2 million turnover, £1 million in assets and 20 employees could potentially qualify as a small company but would not qualify as a micro-entity. That distinction matters because micro-entities can use more streamlined reporting provisions. A useful way to think about the categories is:

Micro-entity → Small company → Medium-sized company → Large company

As the business grows, its financial reporting obligations can become more extensive.

How Does a Company Qualify as Small?

It is not enough to look at one year's turnover and declare the company “small”. For an established company, the size rules generally consider the company's position over consecutive financial years. This prevents companies from moving in and out of reporting categories simply because of a temporary change in performance. This is particularly relevant for rapidly growing startups. Imagine a technology company that reports:

• Year 1:
  • £8 million turnover
  • £4 million balance sheet total
  • 35 employees
• Year 2:
  • £13 million turnover
  • £6 million balance sheet total
  • 45 employees

The company remains within the current small-company thresholds. But if growth continues, its classification may eventually change. Directors should therefore review company size each year rather than assuming the previous year's status automatically continues.

What Do Small Company Accounts Include?

The exact accounts required depend on the company's circumstances and the accounting framework being used. Small companies generally prepare statutory accounts that include financial information such as:

• A balance sheet
• A profit and loss account
• Notes to the accounts, where required
• A directors' report, where applicable
• An auditor's report, where applicable

However, the information delivered to Companies House can be less extensive than the full accounts prepared for the company's members. Under the current rules, qualifying small companies do not generally have to deliver a copy of the directors' report or profit and loss account to Companies House. If a company chooses not to deliver its profit and loss account, the balance sheet must state this. This distinction is important.

Accounts prepared vs accounts filed

A company's internal statutory accounts and the information it submits to Companies House are not necessarily identical. For example, a company may prepare full accounts for its shareholders and tax purposes while filing only the information required under the applicable Companies House filing regime. This is one reason directors should not assume that “what is filed publicly” represents every piece of financial information contained in the company's accounting records.

Do Small Companies Need an Audit?

Not necessarily. A qualifying small private company may be able to claim audit exemption if it satisfies the relevant conditions. For financial years beginning on or after 6 April 2025, a private company may generally qualify for audit exemption if it meets at least two of:

• Turnover of £15 million or less
• Assets of £7.5 million or less
• 50 or fewer employees on average

However, there are exceptions. For example, an audit may still be required if the company's articles require one or shareholders properly request an audit. Certain types of companies and businesses are also excluded from some exemptions. Therefore, the question should not simply be:

• “Are we small?”

It should be:

• “Are we eligible for the relevant audit exemption, and is there anything that prevents us from using it?”

What Is an Abridged Account?

Historically, eligible small companies could choose to prepare and file abridged accounts, reducing the amount of information provided to Companies House. This is an area where directors need to pay attention to upcoming reforms.

From 1 April 2028, companies will no longer be able to file abridged accounts under the new accounts filing framework. Small companies will also be required to deliver a profit and loss account to Companies House, although they will be able to opt out of publication of that profit and loss information on the public register. The precise opt-out process is still to be confirmed.

For founders who value commercial privacy, this change is significant. It means that the distinction between filing information and publishing information will become increasingly important.

When Are Small Company Accounts Due?

For most private limited companies, annual accounts must reach Companies House within nine months of the end of the accounting reference period. For example, if your company's financial year ends on 31 December 2026, the normal filing deadline would be 30 September 2027.

The deadline is based on when acceptable accounts are delivered to Companies House, not merely when the company attempts to send them. If the deadline falls on a weekend or bank holiday, the filing deadline does not automatically move to the next working day. Companies House advises that accounts must still be delivered by the legal deadline.

First accounts are different

A company's first accounts can have a different deadline. For a private company whose first accounts cover more than 12 months, they generally need to be delivered within 21 months of incorporation or three months from the accounting reference date, whichever is longer. This is one reason newly incorporated companies should check their Companies House filing dates early rather than relying on the standard nine-month rule.

Small Company Accounts vs Corporation Tax Returns

One of the most common compliance mistakes is treating Companies House accounts and HMRC tax returns as the same filing. They are not. A private limited company generally has separate obligations to:

• Companies House:
  • Prepare annual accounts
  • File accounts by the Companies House deadline
• HMRC:
  • Calculate Corporation Tax
  • Pay Corporation Tax when due
  • File the Company Tax Return

For most companies, Corporation Tax is due nine months and one day after the end of the Corporation Tax accounting period, while the Company Tax Return is generally due 12 months after the end of that accounting period. The dates can overlap, but they are legally different obligations.

A practical example

Suppose a company has a year-end of 31 December. Its Companies House accounts may be due by 30 September of the following year. Its Corporation Tax payment will generally be due one day later than nine months after the relevant Corporation Tax accounting period ends. The Company Tax Return itself normally has a later filing deadline. The safest approach is to maintain separate Companies House and HMRC compliance dates in your calendar.

How to Prepare Small Company Accounts

Good year-round bookkeeping makes the annual accounts process considerably easier.

1. Reconcile bank accounts

Make sure every business bank account agrees with the accounting records. Investigate unexplained differences rather than carrying them forward.

2. Review income and expenses

Check that sales, operating expenses, subscriptions, professional fees and other transactions have been recorded in the correct accounting period.

3. Check director transactions

Director loan accounts deserve particular attention. Money taken from or paid into the company should be correctly recorded. Do not simply treat every transfer between the founder and company bank account as salary or dividends.

4. Review assets and liabilities

Check balances relating to:

• Equipment
• Vehicles
• Stock
• Loans
• Trade debtors
• Trade creditors
• Accrued expenses
• Corporation Tax
• VAT
• Payroll

5. Confirm dividends and distributions

Dividends should be supported by appropriate company records and paid from distributable profits. A bank transfer labelled “dividend” does not automatically make it a legally valid dividend.

6. Prepare and approve the accounts

Directors are responsible for ensuring the accounts are properly prepared and approved before filing.

7. File before the deadline

Do not wait until the final day. Companies House can reject accounts that do not meet the filing requirements. A rejected filing does not give the company an automatic extension to its deadline.

What Records Must a Small Company Keep?

Small companies still have to maintain appropriate accounting records. These records should allow directors to understand the company's financial position and enable accurate statutory accounts and tax returns to be prepared. Depending on the business, records may include:

• Sales invoices
• Purchase invoices
• Bank statements
• Receipts
• Payroll records
• VAT records
• Loan agreements
• Asset records
• Stock records
• Dividend paperwork
• Director loan records
• Contracts and supporting documentation

The smaller the business, the easier it can be to fall into the trap of informal bookkeeping. A founder might think, “I only have 30 transactions a month, so I know what's happening.” That may be true operationally. But statutory accounts are based on proper accounting records, not simply the director's memory.

Small Company Accounts for Overseas Founders

Small-company status can be particularly useful for international founders operating through a UK limited company. Consider a UK marketing consultancy owned by a non-UK resident:

• £3 million turnover
• 18 employees
• Customers in the UK, Europe and the Middle East
• UK limited company
• Director based overseas

The company could potentially meet the small-company size criteria. But its international ownership does not remove its UK reporting responsibilities. Depending on the circumstances, the business may also need to consider:

• Corporation Tax
• VAT
• PAYE
• Confirmation statements
• Beneficial ownership information
• Transfer pricing
• Related-party transactions
• Cross-border tax rules
• Double taxation agreements

This is an important distinction for global founders: small-company accounting is a reporting category, not a blanket exemption from UK compliance. For businesses such as these, IncorpUK's role as a UK company formation and management platform for global founders sits within a wider compliance picture in which maintaining the company after incorporation is just as important as establishing it.

What Happens If Small Company Accounts Are Filed Late?

Late accounts can result in a Companies House penalty. The penalty regime applies regardless of whether the company is small. This means that being a small company does not give directors extra time simply because the business has few employees or relatively modest revenue.

If you know the company will struggle to meet its deadline because of an unexpected event, Companies House allows an application for more time in certain circumstances, but this must be made before the filing deadline. That makes forward planning much safer than attempting to explain a missed deadline afterwards.

Major Changes to Small Company Accounts in 2028

The UK's company reporting framework is being significantly updated. From 1 April 2028:

• Small companies will have to deliver a profit and loss account to Companies House.
• Small companies will be able to opt out of having that profit and loss information published publicly.
• Abridged accounts will no longer be available.
• Companies will have to file accounts using commercial software.
• Accounts will need to be filed in iXBRL format.
• Companies House's existing web and paper-based accounts filing routes will close.

This is not a change directors should leave until 2028. Businesses that currently rely heavily on spreadsheets, manual processes or paper records should start moving toward accounting software and properly organised digital records. The government has given companies additional time to prepare, with the reforms now scheduled for April 2028 rather than April 2027.

Small Company Accounts Checklist

Before filing, directors should review the following:

Company status

• [ ] Does the company meet at least two small-company size tests?
• [ ] Is it excluded from the small-company regime?
• [ ] Has its size been reviewed for the current and previous year?

Accounting records

• [ ] Bank accounts reconciled
• [ ] Sales recorded
• [ ] Expenses recorded
• [ ] Director loan account reviewed
• [ ] Payroll checked
• [ ] VAT balances checked
• [ ] Loans and assets reconciled
• [ ] Dividends properly documented

Accounts

• [ ] Correct accounting period
• [ ] Correct company number
• [ ] Balance sheet prepared correctly
• [ ] Required notes included
• [ ] Relevant directors' report prepared
• [ ] Audit exemption considered
• [ ] Accounts approved by directors

Filing

• [ ] Companies House deadline confirmed
• [ ] Accounts reviewed before submission
• [ ] Filing confirmation retained

Tax

• [ ] Corporation Tax calculation completed
• [ ] Corporation Tax payment date recorded
• [ ] Company Tax Return deadline recorded

Frequently Asked Questions

What are small company accounts?

Small company accounts are statutory annual accounts prepared by companies that meet the legal criteria for the small companies regime. Eligible companies can benefit from reduced reporting requirements compared with larger companies.

What is the small company threshold in the UK?

For accounting periods beginning on or after 6 April 2025, a company generally qualifies as small if it meets at least two of these three conditions: turnover of no more than £15 million, balance sheet total of no more than £7.5 million, and an average of no more than 50 employees.

Do small companies have to file accounts?

Yes. Qualifying small companies still have to prepare and file the required annual accounts with Companies House.

Can a small company avoid an audit?

Potentially. A qualifying private company may be entitled to audit exemption if it meets the relevant conditions and no exception applies. Shareholders or the company's articles can also affect whether an audit is required.

Are small company accounts the same as micro-entity accounts?

No. Micro-entities are a smaller category with lower financial thresholds and more streamlined reporting provisions. A company can be small without qualifying as a micro-entity.

When are small company accounts due?

Most private companies must deliver their annual accounts to Companies House within nine months of the end of their accounting reference period. First accounts can have a different deadline.

Do small company accounts replace a Corporation Tax Return?

No. Companies House accounts and HMRC Corporation Tax filings are separate compliance obligations. A company can need to complete both.

Will small companies have to publish their profit and loss account?

The rules are changing. From 1 April 2028, small companies will have to deliver a profit and loss account to Companies House, but they will be able to opt out of having that information published on the public register. The exact opt-out arrangements are still being developed.

Can a director prepare small company accounts without an accountant?

It is possible for some straightforward companies, particularly where the accounting records are well maintained and the director understands the applicable requirements. However, professional accounting advice can be valuable where the company has complex transactions, international operations, loans, investments, employees or related-party arrangements.

Conclusion

Small company accounts are designed to reduce the reporting burden for eligible UK businesses, but they do not remove the responsibility of directors to maintain proper records and meet statutory deadlines. For accounting periods beginning on or after 6 April 2025, the small-company test is based on three measures turnover, balance sheet total and average employees with a company generally needing to meet at least two of them.

The practical challenge for directors is not simply determining whether the company is “small”. It is understanding exactly which exemptions apply, what must be prepared, what must be filed publicly and how those obligations interact with HMRC requirements. The distinction between Companies House accounts and Corporation Tax filings is especially important. One does not automatically replace the other.

And the reporting landscape is about to change again. From April 2028, small companies will need to deliver profit and loss accounts to Companies House, while commercial software and iXBRL will become mandatory for company accounts filing.

For founders, the best strategy is straightforward: keep accurate records throughout the year, monitor your company's size classification, track Companies House and HMRC deadlines separately, and prepare early for the 2028 filing reforms. Small-company status can make compliance simpler. It should never be confused with compliance being optional.