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
ASTM committee chairman, Kurt Hoigard, presented Charles Muehlbauer the Daniel Kessler Award in recognition of Meritorious Service and his contributions to the ASTM Committee C18 on Dimension Stone. Congratulations!
