The four dates directors often blur together
Limited company deadlines can feel like one large year-end event, but they are not one job. A director usually needs to think about the accounting period end, corporation tax payment date, company tax return deadline and Companies House accounts filing deadline separately.
What to prepare before corporation tax work starts
The fastest year-end work normally comes from clean source records, not from last-minute chasing. Directors should try to prepare evidence and explanations before the accountant starts calculating tax.
- Bank accounts reconciled against sales, purchases, wages and transfers.
- Sales invoices and unpaid customer balances reviewed.
- Supplier invoices, receipts and card payments organised.
- Payroll, pension and PAYE records checked against the accounts period.
- VAT returns and any CIS records reconciled where relevant.
- Director loan account movements explained, including personal spending from company funds.
- Dividend paperwork and available profit position checked before dividends are treated as routine.
- Large equipment, software, finance, vehicle or one-off costs flagged for tax treatment.
Common mistakes that create deadline pressure
Most corporation tax deadline problems are not caused by the tax calculation alone. They come from unclear records, unsupported director payments, missing evidence or discovering too late that cash has not been set aside.
Waiting until accounts are due
If records are only reviewed near the filing date, useful year-end planning points may already have passed.
Confusing payment and filing
Corporation tax may need paying before the final filing deadline, so directors should not wait for the last statutory date to think about cash.
Assuming every cost is allowable
Capital items, mixed-use costs, personal spending and poorly evidenced expenses need careful treatment.
Ignoring director loans
Unexplained withdrawals can affect tax, dividends and accounts presentation. They should be reviewed early.
How Gardian can help directors stay ahead
Gardian’s role is to turn year-end from a scramble into a controlled review: records, director payments, corporation tax estimates, Companies House dates and next-year improvements all in one calmer process.
For a company with messy records or unclear director drawings, the right first step is usually a structured review rather than a quick tax-saving promise.