We are one of the most respected forensic building consultants in the country. See why we are leaders.
We are deeply invested in three specialties to give you top service in every aspect of building performance.
Seeking a firm with a solid foundation that embraces innovation? Find out more about our culture of expertise.
We are deeply invested in three specialties to give you top service in every aspect of building performance.
From expert witness testimony and BECx to intensive building failure analysis, we align our services with your needs.
See what markets and building types we serve.
Find out how we have solved problems just like yours.
RRJ takes complex things and makes them simple.
Sarah Bader, IIDA, LEED® AP, Principal
Representative in Japan, Gensler
RRJ recently exhibited at the 2023 University of Illinois at Urbana-Champaign School of Architecture’s Career XPO. Thank you to all who stopped, attended, and visited the RRJ booth.
