Limited Company Accounts and Corporation Tax

A limited company can be a sensible way to run a growing trade, property business or professional service. But the admin is different from being a sole trader. Limited company accounts and corporation tax need regular attention, not a last-minute rush when a filing deadline is already close.

For a busy contractor, cab driver, landlord or small business owner, the practical point is simple: good records give you choices. They help you claim legitimate costs, pay the right tax at the right time and see what the business can actually afford to take out.

What limited company accounts involve

Your company is legally separate from you. It has its own bank account, income, expenses, tax position and filing responsibilities. Money in the company is not automatically your personal money, even when you are the sole director and shareholder.

Statutory accounts show the company’s financial position for its accounting year. They normally include a profit and loss account, balance sheet and supporting notes. Small companies may be eligible to prepare simpler accounts and file less detail publicly, but they still need complete accounting records behind them.

The figures in the accounts are used to prepare the company’s Corporation Tax Return, known as the CT600. The accounts are filed with Companies House, while the CT600 and corporation tax calculation go to HMRC. They are connected, but they are not the same job.

A common mistake is to treat the company bank balance as profit. It rarely is. The balance may include VAT owed to HMRC, tax set aside for corporation tax, unpaid supplier bills, payroll costs or customer deposits for work not yet completed. Accounts turn those bank transactions into a reliable picture.

The key limited company accounts and corporation tax deadlines

Deadlines depend on your company’s accounting reference date and tax accounting period, so they should be checked for your own business. In many straightforward cases, however, the timetable works like this:

• Statutory accounts are usually due at Companies House nine months after the company year end.

• A Corporation Tax Return is generally due 12 months after the end of the accounting period.

• Corporation tax itself is normally due nine months and one day after the end of the accounting period.

• A confirmation statement also needs filing each year, separately from the accounts.

The important distinction is that tax can be due before the Corporation Tax Return has to be filed. Waiting until the CT600 deadline to think about the liability can leave the company short of cash.

For example, a company with a 31 March year end will often need to pay its corporation tax by 1 January of the following year. Its accounts are normally due by 31 December, while the CT600 may not be due until the following 31 March. Exact dates can differ, particularly in a company’s first year, so do not rely on a generic calendar alone.

Late filing and late payment can result in penalties, interest and unnecessary correspondence with HMRC or Companies House. More importantly, they create pressure at the busiest possible time. A little planning throughout the year is usually cheaper than sorting out a backlog under deadline.

Corporation tax rates are only part of the calculation

The headline corporation tax rate does not tell the whole story. Companies with lower profits may qualify for the small profits rate, while companies above the upper limit pay the main rate. Profits between the limits can receive marginal relief.

The limits can be reduced where there are associated companies, so a business owner with more than one company should not assume the full thresholds apply. The tax rules and rates can also change, which is why calculations should be based on the current position rather than last year’s figures.

The final bill depends on taxable profit, not simply the profit shown on an invoice total or the cash left in the account. Some expenses are deductible, some are restricted, and some are treated differently for tax purposes.

Keep records that answer the right questions

Most problems with company accounts start long before year end. Missing receipts, personal spending through the business account and unrecorded cash payments all make the job harder. They can also mean valid expenses are missed.

A separate business bank account is essential in practice. Pay company income into it and use it for company costs wherever possible. If you pay a business expense personally, keep the receipt and record that the company owes you the money. If you take money from the company outside salary, dividends or expense repayments, it may need to be recorded through your director’s loan account.

That director’s loan account deserves care. Taking money without recording the reason can cause confusion in the accounts and may create extra tax issues if the loan is overdrawn. It is far better to decide whether a payment is salary, a dividend, repayment of money you lent the company or a reimbursed expense before the books are finalised.

For a construction business, keep CIS statements and records of deductions received. For landlords operating through a company, separate property income and costs clearly by property where possible. For drivers and other mobile trades, retain mileage records, parking receipts, insurance documents and evidence for any business-use costs claimed. The principle is the same across sectors: a clear record makes a claim easier to support.

Companies generally need to retain accounting records for at least six years from the end of the relevant accounting period. Digital bookkeeping can make this much easier, provided transactions are reviewed properly rather than simply imported and forgotten.

Claiming expenses without stretching the rules

The company can usually claim costs that are incurred wholly and exclusively for the purposes of the business. Typical examples may include accountancy fees, business insurance, software, advertising, tools, protective equipment, office costs, training that relates to the existing trade and travel that is genuinely for business.

The detail matters. Ordinary commuting is not normally allowable simply because you are a director. Everyday clothing is not transformed into an allowable expense because it is worn at work. Meals, entertaining, home office costs, cars and travel are areas where the right answer depends on the facts.

A company car can be useful commercially, but it can also create a benefit-in-kind charge when it is available for private use. In some cases, using a personally owned vehicle for business journeys and claiming approved mileage rates is simpler. In others, particularly where a vehicle is used almost entirely for the business, company ownership may be worth considering. There is no one-size-fits-all answer.

Capital items such as equipment, vans and certain plant are not usually dealt with in the same way as day-to-day expenses. Tax relief may be available through capital allowances. Timing purchases around the company year end can affect when relief is received, but buying something purely for tax relief is rarely a saving if the business does not need it.

Paying yourself from the company

Many owner-managed companies use a combination of salary and dividends. Salary is processed through payroll and may involve PAYE and National Insurance. Dividends can only be paid from available distributable profits, after allowing for corporation tax and other liabilities.

This is where directors can accidentally cause problems. A dividend voucher alone does not make an unlawful dividend valid. The company needs sufficient profits, and the records need to support the payment. Dividends also affect your own personal tax position and may mean a Self Assessment return is required.

The best mix of salary, dividends and pension contributions depends on company profits, other income, family circumstances and future plans. A director with rental income, a spouse receiving dividends, or a large mortgage application on the horizon may need a different approach from someone focused purely on short-term tax efficiency.

Use the year end as a planning point, not a panic point

Your year end is an opportunity to check the company’s position before decisions are locked in. Review work invoiced but not yet paid, outstanding bills, stock or materials, likely VAT payments, payroll, pension contributions and planned equipment purchases. Then estimate the corporation tax bill early enough to put funds aside.

It is also a good time to look at profit extraction. Could a pension contribution be appropriate? Is there a genuine business cost that should be paid before year end? Have dividends been declared correctly? Are there losses from an earlier period that may be available to offset? These questions are easier to answer before the accounts are signed off.

At Short And Sons Accountants, we see the difference regular support makes for working business owners. When bookkeeping, payroll, VAT and year-end accounts are handled as connected parts of the business, there are fewer surprises and more time to get on with the work that earns the money.

The most useful next step is not to wait for a brown envelope or an approaching deadline. Keep the records moving, review the numbers regularly and ask questions while there is still time to make a practical decision.