Who it’s for
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Limited companies
Every UK limited company must file a Company Tax Return and pay Corporation Tax on its profits.
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Newly formed companies
A new company must tell HMRC within 3 months of starting to trade.
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Growing companies
Once profits pass £50,000, marginal relief applies and planning ahead makes a bigger difference.
Comprehensive corporation tax solutions
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Preparation of Corporation Tax Returns
We prepare accurate corporation tax returns, ensuring all necessary details are correctly documented.
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Submission of Returns to HMRC
Our team handles the timely submission of your tax returns to HMRC, ensuring compliance with all deadlines.
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Statutory Accounts Requirements
We fulfil all statutory accounts requirements, keeping your financial records in line with legal standards.
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Calculation of Corporation Tax Liability
We calculate your corporation tax liability accurately, ensuring you know exactly what is owed.
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Advice on Payment Dates
We provide advice on the payment dates for your tax liabilities, ensuring you are prepared and compliant.
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Tax Liability Minimisation Planning
Our experts offer strategic planning to minimise your corporation tax liability, maximising your financial efficiency.
How we work
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Prepare your accounts
We prepare the year-end accounts from your records and make sure they meet statutory requirements.
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Calculate the tax
We work out your Corporation Tax, applying marginal relief and the reliefs your company is entitled to.
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File with HMRC and Companies House
We submit the Company Tax Return and the statutory accounts on time.
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Plan the payment
You know the amount and the payment date in advance, with a heads-up on what to expect for the coming year.
What we need from you
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Bookkeeping for the full year
Your accounting software or records for the whole financial year.
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Bank statements
For every business account, up to the year-end date.
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Company details
Your company registration number, Corporation Tax UTR and details of directors and shareholders.
Key dates and figures
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19% and 25%
Small profits rate on profits up to £50,000 and main rate on profits over £250,000, with marginal relief in between.
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9 months and 1 day
Deadline to pay Corporation Tax, counted from the end of the accounting period.
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12 months
Deadline to file the Company Tax Return, counted from the end of the accounting period.
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9 months
Deadline to file annual accounts at Companies House after the financial year end. A company’s first accounts are due 21 months after it was registered.
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£200
Penalty for filing the Company Tax Return even one day late, doubled from 1 April 2026.
Figures and dates as published on GOV.UK for the 2026/27 tax year. They can change, usually at a Budget or in April.
Frequently asked questions
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When is Corporation Tax due?
For most companies, payment is due 9 months and 1 day after the end of the accounting period, which is earlier than the 12-month deadline for filing the return.
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How much Corporation Tax will my company pay?
Profits up to £50,000 are taxed at 19% and profits over £250,000 at 25%. Between the two, marginal relief gives an effective rate in between. The limits are lower if you have associated companies or a short accounting period.
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What happens if the return is late?
HMRC charges £200 if the return is one day late and another £200 after three months. After six months it adds 10% of any unpaid tax, and another 10% after twelve months.
Other services
Have a question about this service?
Call 020 3417 4242 or email info@piyaaccountancy.co.uk, and we will explain what is involved and what happens next, in plain English, before you commit to anything.