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Corporation Tax Late Filing Penalties – A Complete Guide

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Corporation Tax Late Filing Penalties - A Complete Guide

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Corporation tax is often a daunting challenge for business owners, made all the more stressful when deadlines are missed, or payments fall behind.

The consequences of late filing or late payments can be severe, ranging from hefty financial penalties to potential legal repercussions.

Understanding these penalties and your options if you’re unable to meet your tax obligations is critical for safeguarding your business’s financial and operational health. 

In the UK, where the tax system relies on self-assessment, the onus is on the company directors to ensure timely and accurate submissions. 

In this comprehensive guide, we delve into the ins and outs of corporation tax late filing penalties, from the structure of the fines to the avenues for appeal, providing you with invaluable insights to help you manage your company’s tax obligations effectively.

What Are Corporation Tax Late Filing Penalties?

Before you can fully comprehend the implications of late filing penalties, it’s vital to have a rudimentary understanding of what corporation tax is.

Corporation tax is levied on the profits of businesses, and it is a mandatory financial obligation.

While tax planning can be utilised to optimise a company’s financial standing, failing to submit corporation tax returns on time can incur substantial penalties that negate any fiscal advantages you might have otherwise enjoyed.

In the UK, late filing penalties are systematically structured and follow a timetable.

Initially, you’ll face an immediate penalty of £100 for filing one day late.

If your accounts remain outstanding after three months, an additional £100 penalty is applied.

If you are six months late, the HM Revenue & Customs (HMRC) will estimate your corporation tax bill and add a penalty of 10% to the unpaid tax.

At the 12-month mark, another 10% penalty is added to any outstanding tax.

This means your penalty can potentially escalate quite quickly, particularly if you have a substantial tax liability.

Time Late Penalty Additional Information
1 day late £100 Immediate penalty
3 months late Additional £100 Total penalty: £200
6 months late 10% of unpaid tax estimated by HMRC Calculated on estimated tax bill
12 months late An additional 10% of any unpaid tax Additional penalty on unpaid tax

Please note that these penalties are cumulative, meaning that if you’re 12 months late, you could face the original £200 fine plus 20% of your unpaid tax on top of the estimated tax bill from HMRC.

Avoiding these penalties to save money and maintain good standing with HMRC is vital.

Beyond the monetary repercussions, late filing also puts your business under scrutiny, which can lead to further audits and inspections.

HMRC takes non-compliance seriously, and persistent failure to meet tax obligations may result in stricter enforcement measures.

Therefore, understanding these penalties can assist you in better financial planning and adherence to deadlines, which ultimately sustains the viability of your business.

What is Corporation Tax?

Corporation tax is essentially a tax on the taxable profits of limited companies and other organisations, including clubs, societies, associations and other unincorporated entities.

In the UK, the rate of corporation tax currently stands at 19%, although this rate has fluctuated in the past and is subject to change in the future based on fiscal policy.

As the annual accounts outline, the taxable profit is generally calculated as the company’s financial profit with certain additions and subtractions, such as disallowable expenses and capital allowances.

Companies must calculate their corporation tax liability and pay it to HMRC without prior assessment.

Essentially, it is a self-assessment tax, much like the process for individual taxpayers, albeit often more complex due to the varied income streams and deductible expenses that a company might have.

Due to the self-assessment nature of the tax, the onus is on the company to ensure that all the requisite information is filed correctly and promptly.

This includes the submission of a company tax return, financial statements, and other associated documents.

Failure to comply with the stipulated regulations can result in the late filing penalties outlined earlier.

Given the complexities involved, many companies opt to employ the services of tax consultants or financial advisors to ensure that they are meeting all of their obligations promptly and accurately.

When is Corporation Tax Filing Due?

The corporation tax filing deadline is directly linked to your company’s accounting period, which is typically 12 months.

Your tax return must be filed online with HMRC within 12 months after the end of the accounting period it covers.

The payment deadline may differ depending on your company’s circumstances and is generally due for online payment nine months and one day after the end of your accounting period.

Because the UK employs a system of self-assessment for corporation tax, it’s crucial that companies are proactive in maintaining their accounts and setting reminders for when their corporation tax is due.

Engaging with a chartered accountant or tax advisor well before your deadline is advisable to ensure you meet all the necessary legal requirements.

Companies that are part of a group may have different filing and payment obligations and might be part of a group payment arrangement.

Special rules also apply to very large companies, generally defined as those with profits exceeding £1.5 million, who are required to pay their corporation tax in instalments.

What Happens if You Are Late Paying Corporation Tax?

Late payment of corporation tax is a serious infraction that attracts financial penalties and tarnishes your business’s reputation with HMRC.

If you miss the deadline for payment, interest starts accruing immediately on the outstanding balance.

This interest rate is variable and set by HMRC. In some cases, HMRC might also charge your company a ‘penalty for failure to make payments on time’, which can be a percentage of the unpaid tax and could rise if the payment is significantly delayed.

Moreover, late payment also puts your company at risk of being tagged as non-compliant, which could subject you to more frequent and stringent audits in the future.

It’s also worth noting that persistent lateness in paying corporation tax could potentially trigger an investigation into your business.

This diverts valuable managerial time and resources and creates a stressful operating environment.

If your company is facing genuine financial hardship and cannot make the tax payment on time, it’s crucial to contact HMRC as soon as possible.

The Revenue may sometimes agree to a ‘Time to Pay Arrangement’, allowing you to spread your tax payments over a period of time.

However, this is not a guaranteed option and is usually decided on a case-by-case basis.

Can You Appeal Against Late Filing Penalties for Corporation Tax?

Yes, you can appeal against a late filing penalty, but the grounds for doing so must be reasonable and verifiable.

HMRC generally considers appeals that cite unforeseeable circumstances beyond your control, like death, serious illness, or unexpected system failures.

However, ‘excuse’ categories like forgetfulness, misunderstanding the due date, or relying on someone else to file are typically not accepted.

To initiate an appeal, you need to write to HMRC outlining your reasons and preferably provide corroborative evidence to strengthen your case.

Engaging professional legal advice for the appeal process is advisable to ensure that you present the most compelling case possible.

If your appeal is unsuccessful with HMRC, you can escalate the case to an independent tax tribunal.

The timeline for lodging an appeal is usually 30 days from the date the penalty notice was issued.

Failing to adhere to this timeframe could automatically dismiss your appeal, irrespective of its merits.

Can You Be Taken to Court for Late Filing of Corporation Tax?

Yes, although being taken to court for late filing of corporation tax is usually a last resort and is generally only pursued in prolonged and deliberate non-compliance cases.

Prior to this, HMRC will issue multiple reminders and penalties and may even conduct a formal investigation into your business’s financial activities.

Court proceedings are financially draining due to the additional costs involved and mar the reputation of the company and its directors.

Convictions could result in a criminal record for those involved and, in extreme cases, could even lead to the company being wound up or directors being disqualified from managing a company in the future.

The court may impose hefty fines and order the company to pay all litigation costs.

Thus, the financial repercussions of court proceedings can be quite severe, often far outweighing the original tax liability.

Consequently, it is of paramount importance to resolve any tax issues directly with HMRC to avoid escalating to this level.

What Should You Do if You Can’t Pay Your Corporation Tax?

If your business is experiencing financial difficulties and cannot meet its tax obligations, it is crucial to act swiftly.

Ignoring or delaying this critical issue will only compound your problems.

The first course of action should be to contact HMRC and explain your predicament immediately.

They might agree to a Time to Pay Arrangement, allowing you to spread the tax payments over an extended period, subject to interest.

You may also consider consulting a financial advisor or insolvency practitioner, especially if the financial troubles are systemic rather than temporary.

They can help you explore other options like company restructuring, refinancing, or even insolvency procedures like administration or liquidation as a last resort.

Remember, open and honest communication with HMRC is essential.

Transparency about your financial situation could offer you more flexible payment terms and protect you from the more severe enforcement measures that HMRC could otherwise implement.

Final Notes On Corporation Tax Late Filing Penalties

Understanding your obligations regarding corporation tax is non-negotiable for maintaining a compliant and financially healthy business. 

Late filing and payment penalties can accrue quickly, escalating to levels that could severely compromise your business operations.

Moreover, non-compliance attracts scrutiny from HMRC and could even lead to legal proceedings.

Familiarising yourself with the filing deadlines, seeking professional advice, and acting proactively if you face financial difficulties can all help you navigate the complex realm of corporation tax. 

Compliance is less burdensome when you are well-informed and adequately prepared.

Therefore, view your tax obligations as not a hindrance but an essential aspect of responsible business management.

Are You Struggling to Pay Your Corporation Tax? Let Marchford Help You Find a Solution

If you’re a director grappling with mounting corporation tax bills and financial stress, you’re not alone and out of options. 

At Marchford, we specialise in limited company closures and business financial solutions that can provide the relief and direction you need.

Don’t let unpaid corporation tax risk your entire business and personal reputation.

We offer expert guidance on viable options, from Time-to-Pay Pay Arrangements with HMRC to professional insolvency procedures that could save your business or provide an orderly exit strategy.

Contact Marchford today for a free, no-obligation consultation. 

Together, we’ll find the best path for you and your business, giving you the peace of mind to focus on what matters most.

Remember, facing financial difficulties is not a sign of failure, but ignoring them can be. Take the first step towards resolving your corporation tax worries by reaching out to us now.

Don’t let another day of stress and uncertainty go by.

Your solution is just a click away.

For free confidential advice, get in touch today.


Hannah Paull

Hannah Paull

Hannah Paull is a co-director at Marchford with over 25 years experience as a trained accountant, including lecturing the AAT Accounting Qualification. After specialising in company closures and insolvency, Hannah has, for the last 5 years helped hundreds of directors of struggling limited companies with a wide range of solutions including company closures.


Hannah Paull

Hannah Paull

Hannah Paull is a co-director at Marchford with over 25 years experience as a trained accountant, including lecturing the AAT Accounting Qualification. After specialising in company closures and insolvency, Hannah has, for the last 5 years helped hundreds of directors of struggling limited companies with a wide range of solutions including company closures.
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