A London court has ordered Alstom Network UK Ltd. to pay 16.4 million pounds, or $21 million, for a bribery scheme in Tunisia, bringing to a close a decade-long corruption investigation that spanned the globe.

The London-based subsidiary of French transportation company Alstom SA was convicted last year of conspiracy to corrupt and ordered Monday in Southwark Crown Court to pay 15 million pounds in fines, or $19.2 million, and nearly 1.4 million pounds in costs, or $1.8 million, within 28 days.