CT600 Tax Return Filing in Greenock – Prepare and File Your Company Tax Return with HMRC

A CT600 is the formal name for the Company Tax Return that a limited company submits to HMRC. It sets out the company's income, expenses, profits and tax position for an accounting period, and it is the document HMRC uses to assess the company's Corporation Tax. In most cases the CT600 is filed online and is supported by a Corporation Tax computation and, often, a copy of the statutory accounts. It is a tax filing for HMRC — not a Companies House document.

A limited company that is within the scope of Corporation Tax will generally need to file a Company Tax Return for each accounting period, whether or not there is any tax to pay and whether or not the company has traded. There are circumstances where a company may not be required to file for a given period, and those depend on the company's specific situation. If you are unsure whether a return is due for your company, it is worth checking with HMRC directly or taking advice, because assuming no return is needed when one is can create avoidable problems later.

Yes — they are two separate documents with two separate purposes and two separate recipients. Statutory accounts are prepared under an accounting framework and filed with Companies House as a matter of company law. A CT600 is a tax return submitted to HMRC that reports the company's Corporation Tax position. The figures in the accounts usually form the starting point for the tax calculation, but the CT600 and its supporting computation are not a substitute for the accounts, and filing one does not satisfy the obligation to file the other.

They are related but not identical. The Corporation Tax computation is the working document that starts with the company's accounting profit, applies the relevant tax adjustments, and arrives at the taxable profit and the resulting Corporation Tax liability. The CT600 is the return form on which those results are reported to HMRC. In practice the computation normally accompanies the CT600, which is why good CT600 Tax Return Filing always involves doing the computation properly rather than simply transcribing the accounts.

Possibly — it depends on the company's circumstances rather than its size. Operating as a micro-entity affects how the accounts are prepared, but it does not remove Corporation Tax obligations in itself. Where HMRC requires a Company Tax Return, a micro-entity company needs to submit a CT600 just like any other company, even if the final tax liability turns out to be nil. Not every micro-entity will owe Corporation Tax; whether tax is payable depends on the company's taxable profit and its particular position. Filing the return and paying any tax due are also separate matters, so meeting the filing obligation does not automatically mean a payment is required.

Typically you will need the company's accounting records for the period, a set of accounts or draft accounts, details of income and allowable expenses, information on capital expenditure and any capital allowances claimed, and any other figures relevant to the tax position. It also helps to know about anything unusual in the period — such as asset disposals, loans to or from directors, or income taxed under a different set of rules — because these can affect the computation. The exact list depends on what the company does, and part of the value of professional CT600 Tax Return Filing is being asked the right questions at the right time.

Taxable profit usually starts with the accounting profit shown in the company's accounts, but it is not simply the same number. Corporation Tax rules require adjustments: some expenses that reduce accounting profit may not be allowable for tax and need to be added back, while certain reliefs, allowances or deductions may reduce the taxable figure. Timing differences can also arise when income or expenditure is recognised for tax in a different period than in the accounts. Once the adjustments are applied, the result is the taxable profit, and the Corporation Tax liability is worked out from that. This is why accounts preparation and Corporation Tax filing are related but separate processes.

No — filing and payment are two distinct obligations. Submitting your CT600 tells HMRC what your company's taxable profit and Corporation Tax liability are; paying Corporation Tax is a separate action with its own timetable. A company can have a filing obligation even when no tax is payable, and the date by which payment is due is not necessarily the same as the filing date. It is worth checking the specific dates that apply to your company's accounting period, or asking us to confirm them when we handle your CT600 Tax Return Filing. HMRC applies penalties and interest for late filing and late payment under its own rules.

Yes. A company can appoint an agent to prepare and submit its Company Tax Return to HMRC, and many directors choose this route because it removes the guesswork from the tax adjustments and the filing process. We can work from your records, prepare the Corporation Tax computation, review the adjustments, and file the CT600 online on your behalf. You remain responsible for the accuracy of the information provided and for ensuring any tax due is paid, but the practical burden of preparing and filing the return can be taken off your desk.