CT600 Tax Return Filing in Honley: Prepare and File Your Company Tax Return with HMRC

A CT600 is the formal name for the Company Tax Return that a UK company submits to HMRC. It sets out the company's Corporation Tax position for an accounting period, including details such as the company's turnover, the profit or loss for the period, and the Corporation Tax that is due or repayable. The CT600 is accompanied by a Corporation Tax computation, and depending on the company's circumstances, other supporting information may also be required. The return is submitted to HMRC, not to Companies House.

A company normally needs to file a Company Tax Return if HMRC has issued a notice to deliver one, or if the company has Corporation Tax obligations for the period in question — for example, if it has trading profits, investment income, or chargeable gains. Whether a specific company must file, and for which accounting periods, depends on its own circumstances. Some companies receive a notice to file even where no Corporation Tax turns out to be payable, so it is worth checking your position rather than assuming that an absence of profit means no return is needed.

Yes, they are two separate filings with two separate purposes. The statutory accounts are prepared for the company's members and filed with Companies House, and they follow the relevant accounting framework, such as FRS 105 or FRS 102. The CT600 is a tax return submitted to HMRC and reports the company's Corporation Tax position. The two are connected because the accounts usually provide the starting point for the Corporation Tax computation, but the accounting figures reported to Companies House and the taxable figures reported to HMRC are not always identical. Meeting one obligation does not discharge the other.

There is no separate HMRC return for micro-entity companies — the CT600 is the standard Company Tax Return, and a micro-entity uses the same form as any other company. Whether a particular micro-entity needs to file one depends on its own circumstances and taxable position, including whether HMRC has issued a notice to deliver a return. Smaller companies may benefit from simpler accounting and reduced reporting requirements, but that does not remove Corporation Tax filing obligations where they apply. It is always worth confirming your position rather than relying on assumptions based on company size.

Yes. The Corporation Tax computation is the working document that starts with the company's accounting profit and applies the necessary tax adjustments to arrive at the taxable profit and the resulting Corporation Tax liability. The CT600 is the return form on which those figures are reported to HMRC. In practice the two are prepared together, because the computation supports the entries made on the CT600. A well-prepared computation gives you a clear audit trail showing how the reported figures were arrived at, which is useful both for your own records and if HMRC raises questions later.

Taxable profit is not simply the profit shown in the accounts. The Corporation Tax computation begins with the accounting profit, then makes adjustments required by tax rules. These may include adding back expenditure that is not allowable for tax purposes, such as certain entertaining costs, and dealing with items that are treated differently for tax than for accounting, such as capital allowances in place of depreciation. Income that is not taxable, or is taxed differently, may also need to be removed. The result is the taxable profit on which Corporation Tax is calculated. The specific adjustments depend entirely on the company's transactions, so the computation needs to reflect what the company has actually done.

No — filing and payment are separate obligations. Submitting a CT600 tells HMRC what the company's Corporation Tax position is for the period. Paying Corporation Tax is a separate step, and the amount due, if any, is based on the liability shown in the computation and return. A company can file its return and have no Corporation Tax to pay, or it can file and have a liability to settle. Because filing and payment are handled separately, it is important to keep track of both so that neither is overlooked. If you are unsure about how your company's position works, professional guidance can help clarify it.

Yes. A company can authorise an accountant or tax agent to prepare and submit its Company Tax Return to HMRC on its behalf. This typically involves sharing your accounting records, bank information, and details of income and expenditure for the period, along with any earlier returns or correspondence from HMRC. The agent then prepares the Corporation Tax computation and the CT600, reviews the figures with you, and files the return. The company remains responsible for the accuracy of what is submitted, which is why a careful review and clear record-keeping matter — and why working with someone who explains the figures to you is valuable.