Thesys Technologies is a HFT technology provider which offers clients a complete, front-to-end trading, simulation, and back office platform.

Thesys offers a highly customizable development framework platform based on a C++ API with client side products and services for quote feed handling and distribution, order management, cross-sectional risk management, backtesting and simulation, position management, reconciliation, and other back office functions.

Thesys also offers broker side products and services for colocated market connectivity, including support for multiple exchanges and ultra-low latency risk checks with client-server applications for control and monitoring of customer trading, risk limits, and risk checks.