If you have completed your vessel registration using the online service or have created an online account and "claimed your vessel", you can log in to change your vessel's details using the UK Ship Register online service.

If you have not already claimed your vessel or created an account and claimed your vessel on the UK Ship Register's online service, you will need to do this in order to manage your registration online. See our managing your registration online guidance for more information.

If the ownership of the vessel is changing, see our Change of Ownership page for guidance.

The following changes can be made through your online account

Change of vessel name and/or port

To register a change of merchant vessel name, or a change of port you must complete the following:

• Application for Change of Name and/or Port MSF 4741
• Payment of fee for Change of Name OR Port £46
• Payment of fee for Change of Name AND Port £63

Once the application is received, a Carving and Marking Note will be issued, which will need to be witnessed by a UK authorised organisation. Once completed, this will need to be returned via email to uksr@mcga.gov.uk. The Certificate of Registry can then be issued. 

Please note that any documents used to support your application, if not in English, must be accompanied by a notarised translation.  

Change of measurement or tonnage

Please change vessel details using the UK Ship Register online service and upload:

• Certificate of Survey for Tonnage and Measurement issued by Class/Certifying Authority
• ITC69; this may be required if the vessel is over 24 metres in length
• Payment of £46 via the secure payment link on GOV.UK

Once the application is received, a Carving and Marking Note will be issued, which will need to be witnessed by a UK authorised organisation. When completed it will need to be returned to uksr@mcga.gov.uk and the Certificate of Registry can then be issued.

Please note that any documents used to support your application, if not in English, must be accompanied by a notarised translation. 

Change of engine details

Please change vessel details through your online account and upload either:

• A copy of the receipt or invoice for the engine, or
• A Certificate of Survey for Tonnage and Measurement issued by Class or a Certifying Authority
  The engine invoice must include full engine details, power, maker, model, proof of full payment, and show a link to the vessel or the vessel owner.
• Payment of £46 via the secure payment link on GOV.UK

Once the application is accepted, an updated Certificate of Registry can then be issued.

Please note that any documents used to support your application, if not in English, must be accompanied by a notarised translation.

Change of vessel registration type

From Pleasure to Merchant

• Please change vessel details through your online account and upload a copy of the vessel’s valid Code certificate. This must be in the owner or managing agent’s name. The Code Certificate can be arranged with a certifying authority.

Applications made by email or post require a completed Declaration of Eligibility to be submitted.

From Merchant to Pleasure

• Please change vessel details through your online account. If the vessel has been registered for less than five years, additional title evidence may be required to satisfy pleasure vessel registration requirements

Applications made by email or post require a completed Declaration of Eligibility to completed and submitted.

The following changes cannot be made online at the moment

Register a change of company name or a change of registered owners’ address

If the registered owner is incorporated, you will need to provide official confirmation of the change of company name, such as a  Certificate of Incorporation from Companies House.

To register a change of address, please provide a copy of a signed letter from the owner on new company headed paper, accompanied by the Certificate of Incorporation. This can be done by email to uksr@mcga.gov.uk or by post. You can find details of our postal address are at the bottom of this page.

There is no fee to register a change of company name or change of address.

Please note that you will need to print off and sign any documents, as we cannot accept digital signatures.

Once the change of details has been registered, the updated Certificate of Registry will be issued.