Every company registered in the UK is required to provide a Standard Industrial Classification (SIC) code when filing with Companies House. This code categorises the nature of a company’s business, ensuring that both the government and the public can clearly understand what a business does. However, companies change direction, diversify, or correct mistakes, which is why many directors ask how to change SIC code on Companies House.
The good news is that updating your SIC code is neither complex nor expensive. It can be done quickly through a confirmation statement, filed either online or on paper. By following the right steps and making sure you have the correct code, you can keep your company’s record accurate, professional, and compliant with Companies House requirements.
What is a SIC Code and Why It Matters
A SIC code, short for Standard Industrial Classification code, is essentially a number that represents your business activity. For example, a software development company will have a different code than a retail shop or construction firm. These codes are published on Companies House records and are accessible through services such as Companies House beta search.
The importance of a SIC code goes far beyond a simple label. Investors, lenders, suppliers, and even clients may use Companies House search tools to check your company profile. Having the wrong SIC code could give the impression that your company is misrepresenting itself. More importantly, inaccurate filings could put you at risk of rejection or scrutiny, especially now that Companies House UK has increased its crackdown on incorrect records.
When and Why You Might Need to Change a SIC Code
Companies often wonder at what stage they need to update their SIC code. The most common reason is that the company has shifted focus, such as a catering business expanding into event management or a consultancy moving into software solutions. In these cases, your original SIC code may no longer reflect your main activity. Filing the change ensures your records remain accurate.
Another reason for updating is when you make an error during incorporation. Many first-time directors select the wrong SIC code, either through misunderstanding or because the descriptions are sometimes vague. Luckily, the system allows you to correct this at the time of your next filing. Understanding how to change SIC code on Companies House helps you fix mistakes quickly and avoid long-term confusion.
How to Change SIC Code on Companies House Step by Step
The process of changing your SIC code is carried out through a confirmation statement, also known as the CS01 form. This form must be filed annually by every UK company, but you do not need to wait until your next due date. If you want the change to take effect sooner, you can file an early confirmation statement using Companies House login services.
Here’s a simple breakdown of the steps:
Sign in to your account using Companies House WebFiling or the beta platform.
Enter your company number and authentication code.
Access your company profile and select the confirmation statement option.
Locate the section for SIC codes and update the information.
Add, remove, or amend codes as required to reflect your current activities.
Submit the form and pay the filing fee.
Once this is complete, Companies House will process your submission. Updates are normally visible on the Companies House beta search within a few days. You should always keep confirmation emails and receipts as proof of filing in case you need to demonstrate compliance later.
Common Mistakes When Changing SIC Codes
Although the process is straightforward, many companies still make mistakes. The most common issue is selecting another incorrect code because the official list is not always easy to interpret. To avoid this, you should consult the condensed SIC code list provided by Companies House UK. If in doubt, seek advice from an accountant or formation agent who can guide you.
Another mistake is forgetting that companies can hold more than one SIC code. If your business operates across different industries, you can declare multiple codes to give an accurate picture of your activities. Some companies also delay filing, waiting until their next confirmation statement is due, even though they need the change sooner. Knowing how to change SIC code on Companies House early can save time and prevent inconsistencies in your records.
Useful Companies House Tools and Services
Companies House provides a number of tools that can make the process much easier. The Companies House beta search is one of the most popular, as it allows you to check your public records, including your SIC code. This makes it easy to verify whether your update has been accepted.
Other services worth noting include Companies House WebFiling, which is the primary portal for online submissions, and the Companies House name check, which is useful if you are considering a rebrand. With the introduction of Companies House identity verification, directors and persons of significant control must also complete security checks, making accurate filings even more important.
Professional Help with SIC Code Changes
While many directors are comfortable handling the process themselves, others prefer professional assistance. Accountants and company formation agents offer services to manage confirmation statements, ensuring SIC codes are chosen correctly and submitted on time. This can be especially valuable for businesses with complex structures or multiple activities.
Seeking professional advice not only saves time but also reduces the risk of errors. By working with an expert, you can be confident that your company is compliant and that your filings will be accepted without issue. For anyone unsure about how to change SIC code on Companies House, this option provides peace of mind.
Conclusion
Keeping your SIC code accurate is vital for compliance, transparency, and professional reputation. The process of updating is simple, requiring only the submission of a confirmation statement through Companies House login or WebFiling. By ensuring your SIC code matches your real business activities, you strengthen your company profile and avoid unnecessary problems with regulators or stakeholders.
Whether you file the update yourself or use professional help, knowing how to change SIC code on Companies House allows you to stay in control of your business records. With new identity verification measures and increased oversight from Companies House UK, now is the time to ensure your details are correct and up to date.
Frequently Asked Questions
Can I change my SIC code at any time?
Yes, you can update it by filing an early confirmation statement, not just at your annual due date.
Can a company have more than one SIC code?
Yes, many companies hold multiple SIC codes to reflect different activities.
Does changing a SIC code affect HMRC?
No, it only updates your Companies House record, but consistency across records is always advisable.
How much does it cost to change a SIC code?
It requires a confirmation statement filing fee, which is currently low and affordable.
How can I check if my SIC code has been updated?
You can use the Companies House beta search to view your latest public filing record.
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