"The suspension prevents [the] Department of the Navy and all other Federal departments and agencies from entering into any new contracts, exercising options under existing contracts or issuing any new task or delivery orders under indefinite quantity contracts with ISS or its affiliates above the minimum guarantee during the period of suspension without agency head approval, the Navy said.
The Navy said suspension of the company, which is headquartered in Britain, was recommended by it Acquisition Integrity Office and was "based upon evidence of conduct indicating questionable business integrity."
The statement by the Navy did not elaborate on the alleged business practices that led to the suspension.
"The ... decision reinforces the high standards of conduct and business practices to which the Department of the Navy holds contractors who desire to do business with the federal government," it said.
Inchcape provides maritime services to the Navy in regions such as the Middle East and Asia.
Notable deaths of 2014 [PHOTOS]
New Navy sub ready for outfitting, testing