Empirica is a software company that specializes in building customizable trading simulations and environments for developing and testing trading strategies. Their platform is designed to help financial institutions, trading firms, and individual developers simulate market conditions and stress-test algorithmic trading strategies. With a focus on providing realistic and highly configurable simulations, Empirica allows users to fine-tune their strategies prior to live deployment. The company's offerings cater to a range of financial market participants seeking to enhance their algorithmic trading and risk management capabilities.