Clamping is still lawful in Northern Ireland in contrast to the rest of the UK. Minerva used to clamp but there appears to be some doubt as to whether they are still licensed to do so. With accounts well overdue, the company is under notice of strike-off.
More on this company on the main BMPA website.
Company number: NI612611
Address: Unit 1 212-218 Upper Newtownards Road, Belfast BT4 3ET