Comprehensive Software Systems, LLC (CSS) is a client-centric software development company based in Golden, Colorado that pro ... vides full-enterprise and point-solution offerings to the financial services industry. The company offers innovative software and services for front- to back-office processing needs. As an alternative to mainframe technology, CSS has the ability to rapidly adapt to market demands, client needs, and regulatory initiatives and offers clients full access to business data in real time - all day, every day. CSS provides both enterprise solutions and stand-alone point products that seamlessly integrate with a firm’s existing system. CSS also makes available a service bureau offering through its CSS Hosted Solutions subsidiary in which it operates the CSS enterprise brokerage software systems in a hosted environment, processing securities transactions from back through front office for client firms. read more