How to Prepare Final Accounts for New Business Structures

Team Nomi

Sep 05, 2026
5 minutes read

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Starting a small business or running a limited company means handling important paperwork, including final company accounts. The preparation of final accounts is an important yearly task that shows your business’s profit, expenses, assets, and liabilities.

For limited companies, preparing company accounts is required every year before submitting accounts to Companies House and HMRC. 

To make final accounts preparation easier, keep accurate financial records, use reliable accounting software, and follow each step carefully. Preparing your accounts correctly helps you stay compliant and gives you a clear picture of your business finances.

Why you need to prepare Final Accounts

Final accounts are important because:

• • They help you understand your business’s financial health.
  • They are required by law to be filed with His Majesty’s Revenue & Customs (HMRC) and Companies House.
  • They help calculate how much tax your company must pay.
  • They provide information to shareholders and lenders.
  • They help you spot problems and opportunities in your business.​

Steps to prepare Final Accounts for new business structures

When preparing final accounts for a new business structure, the process can seem challenging at first. 

Keeping accurate records of your business income and expenses throughout the year will also simplify the preparation of final accounts.

Choose your accounting Year-End date

The accounting year-end date is important for your annual reports and tax returns to HMRC. You can choose a year-end date that suits your business cycle, such as after your busiest trading period. Many businesses use 31 March or 5 April because these dates align well with UK tax rules and reporting requirements.

If needed, you can change your year-end date with approval from HMRC or Companies House. Choosing the right date supports cash flow planning and tax planning and makes company account preparation more organised. 

Once selected, use the same accounting year-end consistently for your annual reporting.

Keep accurate records throughout the year

Keeping complete and accurate records throughout the year is essential. Good record keeping makes the preparation of accounts much easier, reduces errors, and helps your business stay compliant.

Some key documents to keep include:

• • Sales invoices and receipts
  • Purchase invoices and receipts
  • Bank and credit card statements
  • Details of assets and stock
  • Payroll and employee payment records (if you have employees)
  • Loan agreements and finance arrangements
  • VAT returns and supporting documents (if registered)
  • Contracts and communications with suppliers or customers

Reconcile bank and financial statements.

• • Gather your bank, credit card, and loan account statements.
  • Compare the transactions in your accounting records with your financial statements.
  • Match each payment and deposit with the corresponding bank transaction.
  • Identify any missing or additional entries, such as bank charges or interest.
  • Update your accounting records where necessary.
  • Repeat the process until all balances match correctly.

Regular reconciliation helps make final account preparation quicker and improves the accuracy of your financial records.

Prepare trial balance

• • List all accounts and their debit or credit balances.
  • Check that the total debits equal the total credits.
  • Use the trial balance to identify and correct errors before preparing your financial statements.

A correct trial balance is an important step in the preparation of final accounts.

Calculate adjustments and accruals

• • Adjust for expenses or income that have been incurred but not yet recorded.
  • Include unpaid bills (accruals) and advance payments (prepayments).
  • These adjustments ensure your accounts reflect the true financial position of your business.

Making these adjustments helps produce accurate final company accounts and protects your business from reporting errors.

Prepare the financial statements

Using the adjusted trial balance, complete your company accounts preparation by preparing these financial statements:

• • Profit and Loss Account: Shows your income, expenses, and profit or loss.
  • Balance Sheet: Shows what your business owns and owes at the end of the financial year.
  • Notes to the Accounts: Explain important figures and accounting policies.
  • Director’s Report: Required for most limited companies.

Review and approve accounts

The company directors should carefully review and approve the final company accounts before submission. This helps ensure the information is accurate, complete, and complies with legal requirements.

File final accounts

Once the preparation of accounts is complete, you must submit your final accounts to Companies House within nine months of your accounting year-end. You must also submit them to HMRC with your company tax return, usually within 12 months.

Filing late can result in penalties, so it is important to meet both deadlines.

By following these steps, you can complete the preparation of final accounts with confidence and stay compliant with UK regulations. Well-prepared accounts also give you a clear understanding of your business performance and support better financial decisions.

Documents required for Final Accounts

The following documents are required during final accounts preparation:

• • Balance Sheet: Snapshot of assets, liabilities, and equity.
  • Profit and Loss Account: Shows income, expenses, and overall profit or loss.
  • Director’s Report: Overview of company performance (required for most limited companies).
  • Notes to the Accounts: Details of accounting policies and significant figures.
  • Auditor’s Report: Required for larger companies only.

Deadlines for filing Final Accounts

Filing your final accounts on time is very important to keep your business compliant and avoid penalties.

Timely filing avoids penalties and keeps your business compliant.​

If you’ve just started a new business and want a smooth, hassle-free way to prepare your final accounts, try Nomi’s Accounts production software. It automates everything from bookkeeping to preparing accurate reports ready for HMRC and Companies House submissions. Save time, reduce errors, and stay compliant easily. 

Try Nomi’s 30-day free trial offer to see how it works and smooth your accounting workflow. This saves you effort and ensures your financial obligations are handled professionally.