Blu-3 and Mace Group associates
The SFO announced a bribery investigation into Blu-3 and former associates of the global construction firm Mace Group in April 2025.
The SFO announced its investigation into Blu-3 and former associates of the global construction firm Mace Group on 30 April 2025, after making three arrests and searching five properties.
Individuals at Blu-3 are suspected of paying over £3 million of bribes to associates of Mace Group in relation to the construction of a data centre in the Netherlands for Microsoft.
Case timeline
30 Apr 2025 – Five properties searched and three arrests made. See more information here.
Support for victims and witnesses
If you have been impacted by this case and need support, please see this page for information on support services available to you.