Deltek WorkBook is creative agency management software owned and supported by Deltek (www.deltek.com) and headquartered in Herndon, VA, USA with local offices in Copenhagen, Ho Chi Minh City, Singapore and London. We deliver the best SaaS web-based system tailored to project driven businesses. WorkBook includes CRM and pipeline, project and resource management, and finance and accounting. WorkBook is hailed by project managers and executives for the collaborative, transparent management functions offered by the system that ultimately streamline efficiency and improve their bottom line.