About LMN Architects Seattle-based LMN Architects specializes in the planning and design of significant public and private facilities, including convention centers, cultural arts venues, education facilities, office, multi-family residential, hospitality mixed-use developments and other urban environments that celebrate and enrich communities. Recipient of the 2016 American Institute of Architects Architecture Firm Award, LMN has earned an international reputation for design excellence, sustainable solutions, practice innovation and successful delivery of complex projects.