The highly flexible and versatile VOCIS SIENA II transmission software platform, entirely developed in-house, forms the basis for a significant element of many customer transmission programmes.


DCT Control Algorithm


Turn Key

Full lifecycle offering for transmission and driveline control software


Complex transmission systems

Active differential control

Hybrid and electric vehicle

HiL and SiL development environments



Software driven by accredited ISO90001 quality system


Functional Safety

To automotive best practice, ISO26262

To read more on the Siena Platform please read Magazine article