Deltek is a software and information solutions company headquartered in the United States. It specializes in providing software and services for project-based businesses. The company was founded in 1983 by Don deLaski and his partner Kenneth deLaski.

Initially, Deltek provided accounting and business management software for project-oriented organizations. Deltek's headquarters is located in Herndon, Virginia. The location also serves as its main software development and support center.

The company has additional offices in the United States and around the world, including Canada, the United Kingdom, Germany, Australia, and Denmark. The main products offered by Deltek are focused on enterprise resource planning (ERP), project management, and financial management solutions. These software solutions help businesses streamline their processes, improve financial management, and enhance project execution.

Deltek's product portfolio includes solutions such as Deltek Costpoint, Deltek Vantagepoint, Deltek Ajera, and Deltek PIM. On a global scale, Deltek operates through its subsidiaries, joint ventures, and partnerships. Notable subsidiaries include Maconomy, a provider of project-based ERP solutions, and Union Square, a provider of project information management software.

Deltek also partners with various organizations to offer comprehensive solutions specific to industries such as architecture, engineering, and construction. In terms of market position, Deltek is recognized as a leading provider of project-based software and services. With a strong focus on providing specialized solutions to project-oriented businesses, Deltek has established itself as a trusted name in the industry.

The company competes with other software providers such as Oracle, Microsoft, and SAP. In recent years, Deltek has expanded its product lineup and made strategic acquisitions to enhance its offerings. These include the acquisition of Avitru, a provider of construction specification software, and the launch of Deltek Vantagepoint, an integrated suite of CRM and project management tools.

As of the latest information available, Deltek continues to innovate and serve its global customer base. With a strong presence in various industries, Deltek remains focused on helping project-based businesses succeed through its software and information solutions