Statutory accounts are one of those obligations that most limited company directors know they have to deal with — but fewer understand in any real detail until something goes wrong. The filing deadline passes, a penalty notice lands, or a bank asks for accounts and the latest set is eighteen months out of date.

The compliance landscape also shifted in April 2026, when HMRC closed its free online filing service for company tax returns. That change has left some directors scrambling to find commercial software they've never had to think about before. It's a good moment, then, to take stock of what statutory accounts actually involve, when things need to be filed, and what the consequences are if you get it wrong.

Our view is straightforward: this is not a process to manage at the last minute, and it's not one that benefits from cutting corners on format or timing.

Statutory accounts — sometimes called annual accounts or company accounts — are the formal financial statements a limited company must prepare and file each year under the Companies Act 2006. For most private limited companies, that means a balance sheet, a profit and loss account, notes to the accounts, and a directors' report (though some smaller companies are exempt from parts of this).

They serve two audiences. Companies House receives a version for the public record, and HMRC receives the accounts alongside the Corporation Tax return. The information filed with each can differ — abbreviated or reduced accounts can sometimes be sent to Companies House — but both filings are mandatory and linked.

It is worth being clear about what statutory accounts are not. They are not the same as management accounts, which we prepare more frequently for internal decision-making, KPI tracking, and forecasting. Statutory accounts are the formal, year-end picture — legally required, formatted to a prescribed standard, and signed off by a director. For businesses that want real-time visibility of their performance, management accounts serve a different and equally important function alongside the statutory obligation.

The standard deadline for filing statutory accounts with Companies House is nine months after the end of your accounting reference period (your company's financial year-end). For a company with a 31 December year-end, that means accounts must be at Companies House by 30 September the following year. For a first set of accounts that covers more than twelve months, the rules are slightly different — the deadline is twenty-one months from incorporation or three months from the accounting reference date, whichever is longer.

The Corporation Tax return, filed separately with HMRC, must normally be submitted within twelve months of the end of the accounting period it covers. Corporation Tax itself is usually due nine months and one day after year-end, so the payment deadline actually comes before the filing deadline for many companies. That sequencing trips people up more than you might expect.

Late filing penalties are automatic. There is no discretion on the first offence and no warning letter from Companies House before the penalty is issued. The amounts escalate with how late you are, and — this is the part that catches companies twice — the penalty is doubled if accounts are late in two consecutive financial years. A pattern of lateness is significantly more expensive than a single slip.

For private limited companies, the late filing penalties at Companies House are tiered by how late the accounts arrive:

• Up to one month late: £150
• One to three months late: £375
• Three to six months late: £750
• More than six months late: £1,500

As noted above, all of these figures double if the company was also late in the immediately preceding financial year. A company that files accounts six months late two years running could face a £3,000 penalty on the second occasion — and that is before any HMRC surcharges for a late Corporation Tax return on top.

Beyond the financial cost, failing to file accounts at all is a criminal offence under the Companies Act. Directors can be personally fined, and Companies House has the power to pursue enforcement proceedings and, ultimately, to strike off a company for persistent failure to file. According to published penalty statistics for 2023/24, only 46% of late filing penalties were paid in that period — which suggests a significant number of companies are either contesting penalties or simply not settling them. Neither outcome is a good place to be.

The figures are not enormous in isolation, but the reputational and legal exposure — accounts visible as overdue on the Companies House public register, personal liability for directors — makes this an area where staying on top of deadlines pays for itself.

From 1 April 2026, HMRC closed the free online filing service it had offered for company tax returns and accounts. Any company that previously relied on that service to submit directly — without commercial software — can no longer do so. Going forward, companies must use HMRC-recognised commercial software to file their Corporation Tax return and accounts digitally.

Paper returns remain available only in narrow circumstances: with a valid reasonable excuse, or for those filing in Welsh. For the vast majority of UK limited companies, digital filing via approved software is now the only route.

In practical terms, this means directors who handled their own filings through the old HMRC portal will need to either adopt accounting software or engage an accountant who already uses a compliant platform. This is not an unreasonable ask — cloud accounting software has been standard practice for well-run businesses for some years — but the transition has caught some smaller companies and those with dormant entities off guard.

Dormant companies are worth a specific mention here. Even a company that has traded nothing in the year still needs to file accounts with Companies House annually. It is exempt from filing a Corporation Tax return while dormant, but the Companies House obligation does not go away. We see dormant entities overlooked surprisingly often, especially where a director set up a company for a project that never launched and then forgot it was still on the register.

Not all companies have the same statutory accounts requirements. The Companies Act 2006 sets out exemption criteria that allow smaller businesses to file simplified accounts, which reduces the information that becomes publicly visible on the Companies House register.

Micro-entities — broadly, companies meeting two of three conditions: turnover below £632,000, balance sheet total below £316,000, and fewer than ten employees — can file very minimal accounts at Companies House, showing just a balance sheet. They are not required to include a profit and loss account or a directors' report in their public filing.

Small companies — meeting two of: turnover below £10.2 million, balance sheet total below £5.1 million, fewer than fifty employees — have a broader set of options, including filing abridged accounts. They are generally also exempt from audit, which removes a significant cost and process overhead for most owner-managed businesses.

The key point is that these exemptions apply to what you file publicly, not necessarily to what you prepare internally. For management purposes, and certainly for any business seeking finance or investment, a full set of management accounts — with proper KPI reporting and forecasting — is a different matter entirely. Statutory compliance and commercial visibility serve different purposes, and conflating the two is a mistake we often see in businesses that have outgrown a purely compliance-focused approach to their finances.