Webspec, a Des Moines-based digital agency, has announced its acquisition of Covenant Design, a Drupal development firm headquartered in Des Moines. According to a news release, Drupal is an enterprise-level content management system that has the functionality to help larger businesses and organizations manage their content more easily. Using Drupal, Covenant has been able to serve clients looking for enterprise support and development needs. As a combined entity, Covenant will offer digital marketing and SEO services to clients, and its location in Des Moines ensures the firm’s national client base keeps their business in Iowa, the release said. Webspec has acquired three other agencies in the last 10 years, according to the release.