RISA develops innovative structural design and analysis software tools to solve today’s
most demanding engineering problems.

Software solutions for multi-material structures

RISA has been developing cutting-edge structural design and optimization software for over 30 years. RISA-3D, RISAFloor, RISAFoundation and RISAConnection enable you to work with steel, concrete, timber, masonry, aluminum and cold-formed steel all in a single, seamlessly integrated model.

RISA has leading market share and is a key provider to the top US design firms in over 70 countries around the world for towers, skyscrapers, airports, stadiums, petrochemical facilities, bridges, roller coasters and everything in between.

A well-trained team of engineers and software developers is working to meet the needs of the growing client base by implementing new design features and expanding the suite of software tools.

Founded in 1987, RISA is located in Foothill Ranch, Calif., USA and became a part of Nemetschek Group in 2017.


  • RISA-3D
  • RISAFloor
  • RISAFoundation
  • RISAConnection
  • RISA-2D
  • RISASection

For more information, please visit www.risa.com
or mail to info@risa.com.

reference projects Risa:

The Pterodactyl is a two-story office building built on top of an existing four-story parking garage in Culver City, CA. This extraordinary structure is formed by the intersection of nine rectangular…


The new headquarters for Sempra Energy in San Diego, CA serves as a benchmark for future hi-rise development in the city. The 16-story structure includes seven levels of parking (four below grade and…


The Center for Naval Aviation Technical Training Complex is a 131,000 sq. ft. complex which houses all aviation mechanics responsible for the maintenance of Huey and Cobra helicopters stationed at…


The Phillips 66 Freeport LPG Export Terminal, located on the Gulf of Mexico in Freeport, TX is a 100-acre facility used for the export of over 4 million barrels liquefied petroleum gas per year.…


Pinnacle Bank Arena serves as the foundation for the $344 million West Haymarket Redevelopment Project in Lincoln, NE. The arena regularly hosts concerts, performances and other live events in…