

About Us
Seres Engineering & Services, LLC (SERES) is a minority-owned Environmental Engineering and Consulting firm with a highly experienced, multidisciplined staff committed to excellence. SERES was established in 2007 with the mission to build effective long-term client connections with excellent services delivered in a timely and cost-effective manner. SERES entered the 8(a) program in 2013 and graduated in 2023. Headquartered in Charleston, South Carolina, SERES assists government, industrial, and commercial clients throughout the United States. With over 17 years of experience, SERES excels at providing engineering consulting, regulatory compliance, and operational support to Federal, State and Local governments; chemical/ industrial manufacturing companies; transportation/distribution operations; engineering firms; contractors; law firms; financial institutions; and maintenance/repair facilities.
Our Leadership
The success of SERES is rooted in the dedicated leadership of President and Founder Alex Lo and our exceptional team. Their strategic vision, extensive industry expertise, and commitment to our clients and our team are the cornerstones of SERES. Discover more about the people who guide our company with integrity, vision, and a genuine commitment to our clients' success.

Employees Across the US
At SERES Engineering & Services, we're experiencing exciting growth and expanding our talented team across the United States. Building on our foundation of excellence in environmental engineering and consulting since 2007, we remain committed to our mission of delivering timely and cost-effective solutions while fostering long-term client relationships. Our rapidly growing, multidisciplinary staff brings a wealth of experience and a dedication to providing exceptional service nationwide.
Certifications
With 139 staff across 24 states, SERES is proud to to have staff carrying the following professional certifications or degrees.
Professional Geologists (PG)
12
STAFF
Doctor of Philosophy (PhD)
5
STAFF
Professional Engineers (PE)
5
STAFF
Project Management Professional (PMP)
3
STAFF
NAICS Codes
North American Industry Classification System Codes
Engineering Services | 541330 |
Env. Consulting Services | 541620 |
Other Scientific and Technical Consulting Services | 541690 |
Remediation Services | 562910 |
Facilities Support Services | 561210 |
All Other Support Services | 561990 |
UEI/CAGE Codes
Unique Entity Identifier / Commercial and Government Entity Codes
Organization | UEI | CAGE |
---|---|---|
Seres Engineering & Services, LLC | NBVMXMMBHYU3 | 5YJA9 |
SERES-Arcadis 8(a) JV, LLC | T9J4LC58J2R7 | 7MM22 |
SERES-Arcadis 8(a) JV2 | GLL1G5KB18S8 | 8A9V9 |
SERES-Arcadis SB JV | E695XEZJU7H9 | 7PZP9 |
SERES-Arcadis SB JV2, LLC | HJK8MRQX25B1 | 8B6P1 |
SERES-AYUDA JV LLC | R9MMDKS9BTR8 | 7FT31 |
SERES-RELYANT JV LLC | N7A9WXZAGP95 | 9D0L6 |
SERES-Alliant JV, LLC | M6FBJ6AQBHK4 | 7L3N4 |
KGS SERES 8a JV LLC | UPM1GSA39WR1 | 8Q8E5 |
KGS SERES 8a JV2 LLC | RABGDLFZX5F6 | 9Q5W5 |
AYUDA SERES JV LLC | YTG1B4ZZJ6D8 | 10HC8 |
AUXILIO SERES JV LLC | YAXSJUA4KFH9 | 10GV9 |
KES SERES JV | VWFLY8BDN7T7 | 9ZXN4 |
Lilium SERES JV | KKXUKB892855 | 9BVB6 |
Bluestone SERES JV | FKP5PKAVDF88 | 9T4Z8 |
Proud Recipient
2019 South Carolina 8(a) Firm of the Year
