The NSI notification service will be unavailable for much of the day on Saturday 17thof February 2024 while essential maintenance takes place.We apologise for any inconvenience.
You may need to tell the government about certain acquisitions before you can go through with them. You do this by completing and submitting a form through the National Security and Investment notification service - see link below.
Published 17 December 2021 Last updated 16 February 2024 +show all updates
Added a notice that the NSI notification service will be unavailable for much of the day on Saturday 17th of February 2024 while essential maintenance takes place.
Updated contact email address for investment screening
Replaced the following files with the latest versions:Mandatory notification formVoluntary notification formRetrospective validation form
Removed notice of maintenance as it has now completed
Added a notice of upcoming maintenance to the NSI notification service
Replaced the following documents with updated versions:Mandatory notification formVoluntary notification formRetrospective validation form
Removed the notice of maintenance as it has now been completed.
.Updated to provide notice that the NSI notification service will be unavailable for much of the day on Saturday 18th of November 2023 while essential maintenance takes place.
Removed note regarding maintenance work as it has completed
Added a message to inform users that the NSI notification service will be unavailable for much of the day on Saturday 28th October 2023 while essential maintenance takes place.
Replaced the following documents with new versions:Mandatory notification formVoluntary notification formRetrospective validation form
Updated to reflect the maintenance work was completed and the service is available again.
Added a note that the NSI notification service will be unavailable for much of the day on Saturday 23rd of September 2023 while essential maintenance takes place. We apologise for any inconvenience.
Added a note to inform users that the NSI notification service will be unavailable for much of the day on Saturday 8th and Sunday 9th of July 2023 while essential maintenance takes place. We apologise for any inconvenience.
Updated the document: Guidance on completing and registering a notification form
The NSI notification service will be unavailable for much of the day on Monday 10 April 2023 while essential maintenance takes place. We apologise for any inconvenience.
The NSI notification service will be unavailable on Saturday 4 March 2023 while essential maintenance takes place.
NSI notification service back online.
The NSI notification service will be unavailable on the weekend of 14-15 January 2023 while essential maintenance takes place.We apologise for any inconvenience
