Sixthriver

Founded in 1994, Sixthriver is an Austin architecture and interior design firm serving projects nationwide. Its work includes office buildings, mixed-use developments, student housing, corporate interiors, hospitality projects, and other community-focused spaces. The firm provides architectural solutions, interior design, and furniture by Rise, with furniture curated, procured, and delivered for each project. Services include feasibility analysis, conceptual and schematic design, construction administration, permitting, BIM management, 3D renderings, space planning, finish selection, millwork design, and MEP systems coordination. Sixthriver also integrates green building practices, adaptive reuse, and TAS compliance. The woman-owned and led firm holds WBENC certification and has completed work spanning more than 50 million square feet across 30 states and 75 cities.