Sequoia Consultants

Sequoia Consultants, Inc. is a premier provider of construction quality assurance, quality control (QA/QC), and materials engineering services in the western United States. With a strong foundation built since its establishment in 2006, Sequoia has earned a reputation for excellence in supporting major transportation and infrastructure projects across California and beyond.

Joining the Kiwa Group

As part of Kiwa’s ongoing strategic expansion of its Testing, Inspection and Certification (TIC) services in North America, Sequoia Consultants officially joined the Kiwa Group in 2025. This collaboration enhances Kiwa’s infrastructure sector capabilities while providing Sequoia’s clients with access to a broader global network of technical expertise and quality services.

Driving Quality and Integrity in Construction

Sequoia delivers comprehensive professional and technical services tailored to meet rigorous quality requirements for construction projects of all scales. Its core areas of expertise include:

  • Materials Testing: Field and laboratory testing services to ensure compliance with contract specifications and quality standards.

  • Construction Inspection: Certified on-site inspection of structures, roadways, civil works, and special construction activities.

  • Materials Engineering: Technical engineering solutions including mix designs, failure analysis, material evaluations, and quality management planning.

  • QA/QC for Alternate Delivery Projects: Specialized quality assurance and quality control management for complex delivery methods such as P3, Design-Build, and CMGC.

Sequoia’s laboratories are fully accredited by AASHTO, Caltrans, and other recognized authorities, and its inspection teams include certified professionals in structural steel, concrete, and roadway materials testing.

Expertise Across the Transportation Sector

While Sequoia serves the broader construction industry, the company’s primary focus has been on transportation infrastructure — working on major highway, transit, airport, and roadway improvement projects throughout California. Its team of civil and geotechnical engineers, quality managers, and certified inspectors collaborate with contractors, owners, and public agencies to deliver projects with quality, safety, and integrity at the forefront.

Sequoia Consultants as part of the Kiwa Group

By integrating into the Kiwa Group, Sequoia strengthens its service offerings with access to Kiwa’s global resources, technical standards, and cross-disciplinary expertise. This partnership supports continued growth in delivering value-driven QA/QC solutions across the United States while aligning with Kiwa’s mission to build trust and ensure compliance in critical infrastructure.