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Corporation tax (CT600)

Corporation Tax Return Prepared With Annual Accounts

Corporation Tax and year-end accounts need to align. This service prepares your statutory annual accounts alongside your Corporation Tax Return (CT600), so the figures tie together, the right adjustments are made, and everything is ready to file on time with clear, straightforward sign-off.

More information

What this service covers

We prepare your year-end financial statements and corporation tax filing as one joined-up piece of work, so there are no mismatched numbers or last-minute surprises.

  • Statutory annual accounts prepared in the correct format
  • Corporation tax computation and CT600 prepared from the final accounts
  • Review of key adjustments (allowable expenses, depreciation, accruals and prepayments)
  • Checks that the tax return and accounts reconcile cleanly
  • iXBRL tagging and submission to HMRC (and accounts filing where required)
  • Clear summary of the corporation tax position and what you need to approve

When this is the right fit

This service is designed for owner-managed limited companies who want confidence that year-end compliance is handled properly. It is especially useful if:

  • you want one process for accounts and tax, not two separate jobs
  • you have dividends, director loans, or business expenses that need correct treatment
  • you need clarity on what profits mean for tax and cash flow
  • you want fewer back-and-forth questions close to the deadline

How delivery works

We start by confirming the period end, deadlines, and what records we will use (cloud bookkeeping, bank feeds, spreadsheets, or a handover from your current system). We then review the bookkeeping, request any missing details, and finalise the accounts.

Once the accounts are agreed, we prepare the corporation tax computation and CT600 from those final figures, share a plain-English summary, and ask for approval before filing.

What happens after filing

After submission, you receive confirmation of what has been filed and the key figures to keep on record. If anything needs tightening for next year, we will highlight practical improvements to make year-end smoother and help you plan ahead for future tax bills.

Frequently Asked Questions

What do you need from me to prepare the accounts and CT600?
We usually need your bookkeeping records, bank statements, details of any loans, dividends, and large one-off transactions. We will tell you exactly what is missing and what to provide, in a short checklist.
Do you file with HMRC and Companies House?
Yes, the corporation tax return is filed with HMRC once you approve it. Where required, the statutory accounts are also filed with Companies House.
Can you do this if my bookkeeping is not fully up to date?
Yes, but we will need to bring the records up to a reliable standard before finalising the accounts and tax return. We will agree what needs doing and the quickest route to get you ready to file.
Will you calculate how much corporation tax I need to pay?
Yes, we calculate the corporation tax due based on the final accounts and tax computation. You will get a clear summary of the amount and the relevant payment deadline.
Can you help claim reliefs and reduce my corporation tax bill?
Yes, we review common reliefs and adjustments that apply to limited companies, based on the records provided. If there are planning opportunities, we will explain them clearly so you can decide what to do next.

Related Services

Complete your experience with these services

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  • Corporation Tax Records & Schedules Preparation
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  • Corporation Tax Payment Planning
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  • Corporation Tax Deadline Management
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