Phoenix practical method: each section separates the key action, the evidence to retain and the point at which it is sensible to obtain support. This is general information, not tailored legal, tax or accounting advice.
SECTION 01
The short answer: related work, different legal jobs
- Limited company directors often use the words “accounts”, “tax return” and “Companies House filing” as if they describe one task. They do not. Company accounts and Corporation Tax work use much of the same underlying financial information, but they serve different legal purposes, go to different public bodies and can have different deadlines.
- Statutory annual accounts are prepared from the company’s financial records at the end of its financial year. They are sent to Companies House and are also provided to shareholders and certain others entitled to receive them. HMRC receives accounts as part of the Company Tax Return process, but the tax return itself is a distinct HMRC filing used to report taxable profits and the Corporation Tax calculation.[2]
- Understanding the separation prevents two common errors. The first is believing that filing accounts at Companies House automatically completes the Corporation Tax work. The second is believing that a Corporation Tax payment or return automatically updates the Companies House public record. Directors should plan for both compliance streams, even where software or an accountant can submit information through a combined route.
SECTION 02
What statutory annual accounts are for
- Statutory accounts show the company’s financial position and performance for a financial year. Government guidance describes core components such as a balance sheet, a profit and loss account, notes to the accounts and, unless the company is a micro-entity, a director’s report. Depending on the company’s size and circumstances, an auditor’s report may also be required.[2]
- The accounts are not simply an HMRC tax calculation. They are a structured financial report prepared under the relevant accounting framework. They are used by shareholders, Companies House, lenders, suppliers and other stakeholders who may need to understand the company’s financial position. The public filing version may contain less detail for eligible small or micro companies, but it remains an important statutory document.
- The balance sheet needs particular care. It shows what the company owns, owes and is owed at the period end, and it must be approved and signed in accordance with the applicable rules. Directors should not view this as a formality. Signing accounts means taking responsibility for whether the reported position is reasonably supported by the company’s books, reconciliations and evidence.
SECTION 03
What the Company Tax Return is for
- The Company Tax Return is an HMRC document. It reports the company’s taxable profits and its Corporation Tax calculation for the relevant Corporation Tax accounting period. The accounting period is usually aligned with the financial year but does not always match exactly, particularly in the first period after incorporation, when a company changes its accounting reference date or when other events affect the reporting period.
- Taxable profit is not necessarily the same as the profit shown in the accounts. Accounting profit is the starting point, but tax rules can require adjustments. Examples can include capital allowances, disallowable expenditure, reliefs, timing differences or specific transactions. The exact treatment depends on the facts, so companies should not assume that a profit and loss figure can be copied into a tax return without review.
- HMRC expects the company to work out, report and pay its Corporation Tax. Government guidance makes clear that companies do not normally wait for an HMRC bill to begin this process. Good year-end planning therefore includes a provisional tax estimate, a review of records and enough time to resolve queries before the applicable payment and filing deadlines.[3]
SECTION 04
Why the deadlines differ
- The Accounts and tax returns for private limited companies guidance gives a useful high-level timetable. It currently states that a private limited company normally files annual accounts with Companies House within 9 months after the financial year ends, pays Corporation Tax or tells HMRC it does not owe any within 9 months and 1 day after the Corporation Tax accounting period ends, and files the Company Tax Return within 12 months after that accounting period ends.[4]
- These are different deadlines with different consequences. They should be put in a compliance calendar separately, with earlier internal dates for bookkeeping completion, director review, query resolution and filing approval. First accounts can have a different deadline, and a company that restarts after being dormant may have additional steps. Always check the current due dates for the individual company rather than relying on a generic year-end rule.
- It may be possible to file accounts and the Company Tax Return together using suitable software or an adviser, but a combined submission route does not eliminate the need to understand the obligations. The director should know which documents are being submitted, to whom, what period they cover and whether the Corporation Tax payment has been planned separately.
KEY CHECKS
- Record the financial year end and Corporation Tax accounting period separately.
- Set internal preparation dates before the Companies House, HMRC payment and HMRC return deadlines.
- Reconcile bank, payroll, VAT, director loan and balance sheet accounts before drafting accounts.
- Review tax adjustments rather than assuming accounting profit equals taxable profit.
SECTION 05
The records both processes depend on
- Good accounts and a sound tax return begin with the same discipline: reliable records. This usually means a clear business bank trail, sales invoices, purchase invoices, receipts, expense evidence, payroll data, VAT information where applicable, loan records, asset information and records of money moving between the company and its directors or shareholders.
- The quality of these records affects both speed and accuracy. If sales are not reconciled, expenses are missing or director transactions are unclear, the accounts may be delayed and the tax calculation may require estimates or corrections. A director should make time during the year for bookkeeping reviews rather than leaving all classification and document collection until the accountant asks for information after year end.
- The company is a separate legal entity. Keeping company and personal finances separate is therefore not merely convenient. Government guidance highlights the need for a clear division between the company’s finances and those of owners and directors. A dedicated business bank account and a documented process for director transactions make the year-end process considerably easier.[5]
SECTION 06
Small, micro and dormant companies still need careful treatment
- Some companies may be eligible for simpler accounts because they are small, micro-entities or dormant. That can reduce the amount of information filed publicly, but it does not mean records can be informal or that Corporation Tax obligations disappear automatically. Eligibility conditions, filing choices and HMRC treatment should be checked for the company’s circumstances.
- A dormant company is not simply a company with low sales. Dormancy can mean different things for Companies House and for HMRC. A director should confirm the company’s actual trading and tax status, retain evidence and deal with any notification or return requirement. Restarting a company after a period of dormancy can also create additional filing and registration steps.
- Where a company has no activity, it can be tempting to postpone accounts and tax work. In practice, the simplest dormant filings are often easiest when completed promptly using records that clearly demonstrate the company’s status. Waiting until a deadline approaches makes it harder to distinguish a genuinely dormant period from overlooked transactions or unaddressed bank charges.
SECTION 07
A director’s practical year-end workflow
- Start before the year end if possible. Review bookkeeping, clear unreconciled transactions, identify unusual expenses, confirm payroll and VAT information, and make a list of assets, loans and outstanding invoices. Once the year ends, avoid changing records casually without a clear audit trail. If information is corrected, keep a note of why.
- When the draft accounts are ready, directors should review the profit and loss account, balance sheet, notes, director loan position and any items that appear unusual. Ask questions in plain English. What does this creditor represent? Why has an expense increased? Is the cash position consistent with the bank? The role is not to recreate every calculation but to recognise that approval requires an informed review.
- Then consider the Corporation Tax calculation and payment separately. Ask what adjustments have been made to accounting profit, whether there are any relief claims or losses, what payment date applies and how payment will be funded. Keep final copies of filed accounts, the tax return, tax computation, filing receipts and payment confirmation together in the company’s year-end records.
SECTION 08
When professional support adds value
- An accountant can prepare accounts, calculate taxable profits, explain tax adjustments, file documents and help directors create better records. The greatest value often comes from involvement before the deadline: setting up bookkeeping habits, identifying issues early and making sure a director understands what needs approval.
- Professional support is especially useful where the company has changed ownership, has significant director loan activity, owns assets, trades internationally, has complex VAT or payroll issues, has received HMRC correspondence or is approaching a filing deadline without complete records. These situations can affect both financial reporting and tax treatment.
- The director remains central to the process. Accounts and the Company Tax Return are different but connected responsibilities. Once that distinction is understood, a company can plan its records, timetable and adviser communication around the full compliance picture rather than treating each filing as an isolated emergency.
OFFICIAL FURTHER READING
References and current guidance
RELEVANT PHOENIX TAX SERVICE