Yes. Companies House can reject a filing if it does not meet the legal, technical or administrative requirements for delivery. A rejection does not necessarily mean the company has done something unlawful or that the underlying transaction is invalid. Often, it simply means the document could not be accepted in the form or circumstances in which it was submitted.

This distinction matters because a rejected filing is not the same as a successfully filed document. If the filing relates to a deadline, particularly annual accounts, the company may still be treated as having an outstanding filing until Companies House receives and accepts the correct document. Companies House sets rules governing the form, manner of delivery and authentication of documents submitted to the register. Companies and their directors are responsible for ensuring filings comply with those requirements.

For founders, directors and overseas business owners running a UK company, understanding why filings are rejected can prevent unnecessary delays, penalties and problems with the public record.

What Does It Mean When Companies House Rejects a Filing?

A rejection generally means Companies House has not accepted the submitted document for registration. For example, a company might submit:

• Annual accounts
• A confirmation statement
• A director appointment
• A director termination
• A change of registered office
• A change of company name
• A share allotment
• A person with significant control (PSC) update
• Other statutory documents

If the filing does not satisfy the relevant requirements, Companies House may return or reject it so that the company can correct the problem. The important point is that submitting a document is not necessarily the same as successfully filing it. This becomes particularly important close to a deadline. Companies House states that if accounts are rejected, the company does not receive extra time simply because the original documents were submitted before the deadline.

Rejected versus incorrect information

There are two different situations.

Situation 1: The filing is rejected.
Companies House has not accepted the document, so the company needs to correct and resubmit it.

Situation 2: The filing is accepted but contains an error.
The document is already on the register, and a different correction process may be required. For certain errors, Companies House provides a replacement-document process using form RP01. The replacement filing must correspond correctly with the original document and the company's existing record.

Why Would Companies House Reject a Filing?

There is no single reason. The problem usually falls into one of four broad categories: incorrect information, incorrect documents, technical problems or failure to meet delivery requirements.

1. Incorrect company details

One of the simplest mistakes is providing information that does not match the company's record. For example, a filing may contain:

• The wrong company number
• An incorrect company name
• An inconsistent appointment date
• Incorrect officer information
• Details that conflict with another document submitted at the same time

Companies House specifically warns that replacement documents can be rejected when important details such as the company name, company number or appointment date do not match the register.

Example

Suppose Greenway Consulting Ltd has company number 12345678. A director appointment filing accidentally refers to company number 12345687. Even though the director's personal information is correct, the filing can fail because it does not correctly identify the company. A basic pre-submission check of the company number can prevent this type of problem.

2. The wrong form or filing route

Companies House has different forms and filing processes for different corporate events. Adding a director, removing a director, changing a registered office and correcting a previous filing are not interchangeable processes. Using the wrong form can therefore result in rejection. The same applies to online filing. Not every type of document is necessarily filed through exactly the same online service or process. Companies House provides online filing services, software filing and document-upload facilities depending on the type of information being submitted. Before filing, identify:

1. What has changed?
2. What legal notification is required?
3. Which form or online service applies?
4. What supporting information is required?
5. Is there a filing fee?

That five-step check is often more valuable than simply searching for a form by name.

3. Missing or inconsistent information

Companies House filings often require specific information to be provided in a prescribed format. A filing may fail if mandatory information is:

• Missing
• Incomplete
• Inconsistent
• Entered in the wrong format
• Contradictory to information already held on the register

For example, when filing a replacement document, Companies House says the details must match across the documents in the application and the company's existing register information. This is especially relevant where a company is making several changes at once. If you are simultaneously appointing a director, changing the registered office and updating PSC information, check that the dates and company details remain consistent across every filing.

4. Accounts that do not meet filing requirements

Annual accounts receive particularly careful attention because they have statutory filing requirements. Companies House states that all private and public limited companies must generally file accounts, including dormant companies, subject to specific exemptions. Accounts must meet the relevant legal requirements before they can be accepted. Problems can arise from:

• Incorrect accounts format
• Missing required components
• Incorrect company information
• Missing signatures where required
• Incorrect accounting information
• Using an inappropriate filing option
• Technical problems with software-generated accounts

A rejected set of accounts is particularly serious when the deadline is close. If the deadline passes while the accounts remain unaccepted, the company can face a late filing penalty. Companies House states that late accounts can result in civil penalties, with the amount depending on how late the accounts are and whether the company is private or public.

5. Problems with electronic filing

Online filing has reduced many administrative problems, but technical errors can still occur. Companies House says online filing can provide faster delivery, confirmation of submission and a lower likelihood of certain errors compared with paper filing. Depending on the filing, problems may include:

• Invalid data
• Unsupported information
• Incorrect file format
• Authentication problems
• Software compatibility issues
• Missing mandatory fields

For accounts, commercial filing software is becoming increasingly important. Companies House has announced that from 1 April 2028, companies will have to file annual accounts using commercial software. For businesses that currently rely heavily on paper filing, this change is worth preparing for well in advance.

6. Problems with paper documents

Paper filings can take longer to process and are more vulnerable to delivery delays. Companies House currently requires paper documents to be sent to its main office in Cardiff, and documents must be delivered in the correct format.

This creates an important practical lesson: Do not treat posting a document on the deadline day as equivalent to having it accepted on the deadline day. Companies House warns that postal delays are not normally accepted as a reason for appealing a late filing penalty. Where online filing is available, it is generally the safer option for deadline-sensitive submissions.

What Happens After Companies House Rejects a Filing?

The first step is to identify exactly why it was rejected. Do not immediately submit the same document again. Instead:

Step 1: Read the rejection message carefully

Look for the specific reason given by Companies House. It may identify:

• A particular field
• A missing piece of information
• A document problem
• A mismatch with the register
• A technical issue
• A filing requirement that has not been met

Step 2: Compare the filing with the company's register

Search the company's Companies House record and compare:

• Company name
• Company number
• Directors
• PSC information
• Registered office
• Filing dates
• Previous filings

This can reveal inconsistencies that were not obvious when the document was prepared.

Step 3: Correct the underlying problem

If the information is wrong, correct it. If the wrong form was used, use the appropriate form. If accounts need to be reformatted or corrected, address the accounting issue before resubmitting.

Step 4: Resubmit as soon as possible

Do not leave a rejected filing sitting in your inbox. If a statutory deadline is involved, every additional day can increase the risk of consequences.

Step 5: Keep evidence

Save:

• The rejected filing
• Rejection message
• Corrected filing
• Submission confirmation
• Correspondence with Companies House
• Supporting documents

This creates an audit trail if questions arise later.

What If the Filing Deadline Has Already Passed?

This is where the situation becomes more serious. Suppose a company's accounts are due on 30 September. The company submits them on 29 September, but Companies House rejects them on 2 October. The company cannot simply assume the original submission means the accounts were filed on time.

Companies House guidance specifically states that rejected accounts do not receive additional time merely because they were submitted before the deadline. The practical response is to correct and resubmit immediately. If a late filing penalty is subsequently issued, there is a formal appeal process. However, an appeal is not automatically successful.

Companies House says appeals may succeed where there were unexpected circumstances, such as serious illness or death occurring close to the deadline, or where Companies House made an error. Reliance on an accountant, being a first-time filer, or being unable to afford the penalty are generally not sufficient reasons on their own.

Can You Appeal a Rejected Companies House Filing?

A rejected filing and a late filing penalty are different issues. If you believe Companies House has made an administrative or service error, there are complaint procedures available. However, a complaint is not a substitute for correcting a filing that does not meet the legal requirements.

Companies House distinguishes between complaints about its service and other matters such as appealing a late accounts penalty or dealing with information that has been incorrectly filed on the register.

If you are dealing with a substantive legal dispute for example, whether a transaction actually occurred—Companies House may require evidence or, in complex cases, a court determination.

How to Reduce the Risk of Rejection

A good filing process is preventive rather than reactive.

Use a Companies House filing checklist

Before submitting, confirm:

Company identification

• Correct legal company name
• Correct company number

Document

• Correct form or online filing service
• Correct filing type
• Correct dates

People

• Correct director information
• Correct PSC information where relevant

Address

• Correct registered office details where applicable

Supporting information

• All mandatory information included
• Required signatures or authentication completed

Consistency

• Information agrees with the existing Companies House record
• Dates agree across related filings

Deadline

• Submission is made early enough to correct a rejection if necessary, This last point is often overlooked.

The two-day buffer rule

For routine filings, consider preparing them several days before the deadline rather than treating the deadline as the target submission date. That gives you time to deal with an unexpected rejection. For annual accounts, the buffer should be even more deliberate because accounting information can require additional review.

Does Companies House Check Whether the Information Is True?

Companies House is not simply a passive document storage service. The registrar has powers and responsibilities concerning information delivered to the register, and the rules governing filing cover how documents are delivered and authenticated. Companies House can also investigate certain information that is believed to be false, misleading or unauthorised. For example, Companies House states that it can remove information where it is satisfied that:

• Information in a document is false or misleading
• A document was delivered without the company's knowledge or authorisation
• A recorded transaction never occurred

However, directors should not assume that Companies House's acceptance of a document means Companies House has independently verified every underlying fact. The responsibility for providing accurate information remains fundamentally important.

What Should Overseas Founders Know?

For international entrepreneurs operating a UK limited company, Companies House filings can look deceptively simple. A founder may be able to incorporate a company remotely, but ongoing compliance still matters. An overseas-owned UK company may need to keep its:

• Directors' information
• PSC information
• Registered office
• Company records
• Accounts
• Confirmation statement

up to date. Companies House also introduced identity-verification requirements as part of reforms designed to improve the accuracy and transparency of the register. For global founders using a UK company formation and management platform such as IncorpUK, the important question is not simply "Can this filing be submitted?" but "Can it be submitted correctly, on time and consistently with the company's existing record?" That mindset is much more useful for long-term compliance.

Can a Rejected Filing Affect Your Company?

Potentially, yes but the impact depends on the filing. A rejected routine change may simply delay an administrative update. A rejected accounts filing, however, can become a financial and compliance problem if the deadline passes.

Failure to deliver acceptable accounts on time can result in penalties, and persistent non-compliance can ultimately contribute to a company being struck off the register. Companies House warns that directors can also face prosecution for failing to deliver required documents. That is why a rejection should be treated as an issue to resolve promptly, not as a message that can safely be ignored.

Frequently Asked Questions

Can Companies House reject a filing after I have submitted it?

Yes. Submission does not guarantee acceptance. Companies House can reject documents that do not meet the relevant requirements for delivery or registration.

Does a rejected filing count as being filed?

Not necessarily. In particular, a rejected filing should not be assumed to satisfy a statutory deadline. For accounts, Companies House explicitly states that rejection does not provide additional time beyond the filing deadline.

What is the most common reason for a Companies House rejection?

There is no single universal reason. Incorrect or inconsistent company details, missing information, unsuitable forms, formatting problems and technical issues can all cause problems.

Can I resubmit a rejected filing?

Generally, the appropriate response is to correct the problem identified by Companies House and submit the compliant filing again.

What happens if my accounts are rejected after the deadline?

You should correct and resubmit them immediately. If a late filing penalty is issued, you may be able to appeal in limited circumstances. Companies House says that successful appeals generally require an acceptable reason such as unexpected serious circumstances or an error by Companies House.

Can I replace a Companies House document containing an error?

For certain documents, yes. Companies House provides the RP01 replacement process for documents that do not meet the requirements for proper delivery or contain incorrect information.

Can Companies House remove incorrect information from the register?

In certain circumstances, yes. Companies House can remove information that is false or misleading, unauthorised or relates to a transaction that did not occur. Complex disputes may require a court declaration.

Is online filing better than filing by post?

Where available, online filing is generally quicker and provides confirmation of submission. Companies House also highlights reduced postage and a lower risk of certain filing errors as benefits.

Final Takeaway

Yes, Companies House can reject a filing and a rejection should always be taken seriously. The key is to understand what the rejection actually means. It may be a straightforward administrative mistake, such as an incorrect company number or missing information, or it may involve a more substantive issue with the document. The safest approach is simple:

1. Use the correct filing route.
2. Check the company's existing Companies House record.
3. Make sure every detail is accurate and consistent.
4. Submit well before the deadline.
5. Read and act on rejection notices immediately.
6. Keep evidence of submissions and corrections.
7. Seek professional accounting or legal advice where the issue involves complex transactions or disputes.

For company directors, the real risk is not the rejection itself. It is ignoring the rejection until a filing deadline passes or an inaccurate record remains unresolved. A well-managed UK company treats Companies House filings as an ongoing compliance responsibility, not just paperwork to complete when a deadline appears.