Guillierme was a French automobile manufacturer based in Paris, operating under the name Automobiles Guillierme. The company produced a conventional shaft-driven car powered by a 1,846cc four-cylinder engine of 10/12hp supplied by Ballot. In addition to passenger cars, Guillierme built delivery vans featuring the engine mounted under the seat. These commercial vehicles were offered with either the 10/12hp engine used in the car or a larger 15/17hp unit.