How to Prepare Your First Set of Company Accounts
If you've recently incorporated a company, preparing your first set of accounts is one of the professional milestones that catches most new business owners by surprise. Unlike sole traders who report their income on a personal tax return, companies are separate legal entities with their own reporting obligations. You must prepare formal financial statements, file them with the relevant authorities, and pay any tax due — all within specific deadlines.
The process is not as complicated as it first appears, especially if you have maintained your financial records properly during the year. This guide walks you through what to expect, how to prepare your first set of company accounts step by step, and how to make it less painful next year.
What's in your first company accounts
Your annual company accounts filed at Companies House consist of several key pieces:
Profit and loss statement
This shows your company's revenue, expenses, and resulting profit or loss for the financial year. It tells stakeholders — and HMRC — how the business actually performed during the period. If you've been maintaining a chart of accounts properly, this should be straightforward to generate.
Balance sheet
This shows what your company owns (assets), what it owes (liabilities), and the net value belonging to shareholders (equity) at the year-end date. Think of it as a photograph of your financial position frozen at one specific moment — more useful than it sounds.
Notes to the accounts
These provide additional detail and context for the main figures. Common notes cover accounting policies, fixed assets, debtors and creditors, and director transactions.
Director's report and audit report
Depending on your company size, you may need a director's report. Most small companies qualify for audit exemption, though you should verify this with your accountant.
Your first accounting period and choosing your year-end
Your first accounting period begins on incorporation and ends on your chosen financial year-end date. This can be longer or shorter than twelve months depending on your incorporation date relative to your year-end.
You can choose any date as your financial year-end. Common choices include 31 March (UK tax year), 31 December (calendar year), or a date during a quiet business period. Your accountant can advise on the most tax-efficient choice. Do not overthink this — you can change your year-end later if needed.
Filing deadlines: mark your calendar now
For UK private companies:
- Annual accounts filed at Companies House within nine months of year-end
- Corporation tax return filed with HMRC within twelve months of year-end
- Corporation tax payment due nine months and one day after year-end
As outlined in Companies House annual requirements, missing these deadlines results in penalties that escalate quickly. Mark these dates in your calendar now, not when you're three months overdue.
Preparing your accounts: step by step
Step 1: Ensure your records are complete
Before you can prepare accounts, your underlying records must be complete and accurate:
- All sales invoices issued and recorded
- All purchase invoices entered
- All bank accounts reconciled to year-end
- All expense claims processed
- All journal entries posted (depreciation, accruals, prepayments)
If you've been maintaining records throughout the year via accounting software, this should be a matter of reviewing and tidying rather than reconstructing three months of chaos on a Sunday night.
Step 2: Review your trial balance
Run a trial balance from your accounting software. This is a list of every account with its balance at year-end. Check that the trial balance balances (total debits equal total credits), bank balances match bank statements, and no accounts contain unexpected values. A trial balance that does not balance is like a cake recipe missing an ingredient — something is wrong somewhere.
Step 3: Post year-end adjustments
Common adjustments include:
- Depreciation — Ensure full year's depreciation is charged on all fixed assets
- Accruals — Record expenses incurred but not yet invoiced
- Prepayments — Move costs extending beyond year-end to next year's accounts
- Bad debt provisions — Review outstanding receivables and provide for amounts unlikely to be collected
- Stock valuation — Count inventory and value at the lower of cost or net realisable value
- Corporation tax provision — Estimate tax due and record the provision
Step 4: Prepare the financial statements
Generate your profit and loss statement and balance sheet from the adjusted trial balance. Your accounting software should produce these directly. The notes may require additional manual work or input from your accountant. Read more about understanding balance sheets here if you want to understand what you're looking at before filing.
Step 5: Review with your accountant
If you work with an accountant — strongly recommended for your first accounts — share your records and draft accounts. Your accountant will review for accuracy and compliance, make any additional adjustments, ensure correct filing format, and calculate your corporation tax liability.
Step 6: File and pay
Submit accounts to Companies House and file your corporation tax return with HMRC. Pay any corporation tax due before the deadline to avoid interest charges.
Common first-year issues
Director's loan account
If you've taken money out beyond salary and dividends, this creates a director's loan account. It needs proper treatment in the accounts and may trigger a 25% tax charge if not cleared within nine months.
Personal expenses paid by the company
These need to be identified and treated correctly — usually as director's drawings or benefits in kind. The accounts need to reflect what the company actually spent.
Share capital
Your accounts must reflect share capital invested. Even if nominal (usually £1 per share), it appears on the balance sheet.
Startup costs
Pre-trading costs like legal fees, registration, and initial marketing are legitimate business expenses included in your accounts.
VAT registration
If you registered for VAT during the year, ensure your accounts correctly reflect VAT collected and paid, reconciling with your VAT returns.
Setting yourself up for year two
Maintain records throughout the year
Record transactions weekly, reconcile monthly, review quarterly. By year-end, accounts should be nearly ready rather than needing months of catch-up.
Save for tax
Once you know your first year's tax bill, set aside a similar proportion of profit each month. This prevents large tax bills from creating cash flow crises.
Close periods monthly
Lock each month in your accounting software once finalised. This prevents accidental changes to historical records.
Communicate with your accountant
Do not wait until year-end to raise questions. Early communication is cheaper than late corrections.
Frequently Asked Questions
Q: Can I prepare my first accounts without an accountant?
A: Legally, yes. Practically, having an accountant review your first set is worth the fee. They'll spot errors, flag tax implications, and ensure everything meets filing requirements.
Q: How long does it take to prepare first accounts?
A: If records are clean, two to three weeks. If chaotic, two to three months. Record quality throughout the year determines this entirely.
Q: What if I miss a filing deadline?
A: You'll receive penalties. Companies House penalties start at £150. HMRC penalties are steeper and accrue interest. Contact your accountant as soon as you realise you're late — sometimes they offer first-time lenience.
Q: Do I need to have my accounts audited?
A: Most small private companies are exempt from audit if turnover is below £10.2 million and balance sheet total is below £5.1 million. Check Companies House exemptions guidance to confirm your eligibility.
Q: Why do I owe so much corporation tax?
A: Corporation tax is due on profit, not cash received. If you've invoiced customers but not been paid, you still owe tax. If you've paid supplier invoices, those payments don't reduce tax — only expenses do. Many new owners are surprised by this timing mismatch.
Q: Can I change my financial year-end?
A: Yes, by filing notice with Companies House. Your first year-end is set when you incorporate, but you can change it provided the new year-end is at least twelve months away.
Q: Should I use accounting software?
A: Yes. Good accounting software generates reports your accountant needs, connects to your bank for automatic imports, and gives your accountant direct access. This speeds up year-end and reduces errors.
It gets easier
Your first set of company accounts is always the most challenging because everything is new. You're learning the process, establishing record-keeping habits, and building an accountant relationship. From year two onwards, you have a template, established processes, and experience.
The effort invested in getting your first accounts right pays dividends in smoother, cheaper, and less stressful year-ends for years to come.