HELLMUTH, OBATA & KASSABAUM, INC.
HELLMUTH, OBATA & KASSABAUM, INC. is a federal contractor, registered under UEI CQJLYUAF62J3 and CAGE code 3JYX6. It has been awarded $41,439,208 in federal contracts. Primary work spans Architectural Services. Top awarding agencies include General Services Administration and Other agencies (1 agencies, <0.5% each).
Contact Information
Registration and classification details
Registration
UEI Code
CQJLYUAF62J3CAGE Code
3JYX6Entity Structure
Corporate Entity (Not Tax Exempt)Established
N/ABusiness Classifications
NAICS Codes
Federal Contracting Overview
Award totals, agency breakdown, NAICS distribution, and geographic footprint.
AI Capability Profile
HELLMUTH, OBATA & KASSABAUM, INC. specializes in comprehensive architectural services for federal infrastructure projects, with deep expertise in the design and modernization of U.S. courthouses, federal office buildings, and mission-critical facilities. The firm delivers full-cycle A/E services inc...
HELLMUTH, OBATA & KASSABAUM, INC. specializes in comprehensive architectural services for federal infrastructure projects, with deep expertise in the design and modernization of U.S. courthouses, federal office buildings, and mission-critical facilities. The firm delivers full-cycle A/E services including seismic upgrades, hurricane recovery, floor renovations, and adaptive reuse of aging federal structures, integrating code compliance, sustainability, and security standards into every phase of design. Their technical proficiency spans building envelope restoration, structural reinforcement, interior fit-outs, and facility lifecycle planning, with a demonstrated focus on complex renovations within occupied federal environments. Key differentiators include their ability to navigate stringent GSA design guidelines, manage phased construction sequencing, and deliver high-security architectural solutions that meet U.S. Courts and General Services Administration standards for durability, accessibility, and resilience. The contractor maintains a consistent and long-standing relationship with the General Services Administration, serving as a trusted design partner for federal courthouse modernization, regional headquarters reconfigurations, and disaster recovery projects across multiple jurisdictions. Their work for GSA consistently involves high-profile, mission-essential facilities requiring coordination with federal stakeholders, adherence to the GSA Design Excellence Program, and compliance with federal security and accessibility mandates. Primarily engaged in NAICS 541310 — Architectural Services — the firm is positioned as a specialized provider of government building design, with vertical expertise in federal judicial and administrative infrastructure. Their market positioning centers on delivering architecturally rigorous, functionally efficient, and code-compliant solutions tailored to the unique operational and security demands of federal agencies. As a 2L entity headquartered in St. Louis, Missouri, HELLMUTH, OBATA & KASSABAUM, INC. operates as a nationally recognized architectural firm with a focused presence in the federal government market. The company holds no federal certifications but leverages decades of institutional experience and technical credibility to compete successfully in complex public-sector design procurements.
Key Performance Metrics
Awards Count
12
All time
Active
5
Currently performing
Completed
7
Past period of performance
Total Awards
All time
Contracts
Prime · all time
Subcontracts
Sub · all time
Grants
Prime · all time
Subgrants
Sub · all time
Award Analytics & Distribution
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