Federal contractor · SAINT LOUIS, MO

HELLMUTH, OBATA & KASSABAUM, INC.

HELLMUTH, OBATA & KASSABAUM, INC. received $2.6M in federal contract obligations in FY2026, on 4 awards (−87% vs FY2025). Since FY2020: $41M. Its largest customer was Public Buildings Service ($2.6M).

Obligations · FY2026
$2.6M
New awards
4
Sole-source
0.0%
Single offer
29%
UEI
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Other than small business
Open in the contracts explorerRelationship graph

Company family

Grouped from reported parent companies (UEI) and, where marked, AI judgments that two records name the same organization or group.

Part of the HELLMUTH, OBATA & KASSABAUM, P.C. company family: 3 registered entities, $13M in FY2026 together. See the family

  1. HELLMUTH, OBATA & KASSABAUM, P.C.WASHINGTON, DC · Family page
    $9.5M
  2. HELLMUTH, OBATA & KASSABAUM, INC.CULVER CITY, CA
    $921.6K

AI-inferred: entity-match@1 · Analisa AI · 2026-09-30

Spending by fiscal year

Obligations per federal fiscal year (October–September).

  1. 8.5MFY2020
  2. 389.1KFY2021
  3. 675KFY2022
  4. 3.4MFY2023
  5. 4.8MFY2024
  6. 20.7MFY2025
  7. 2.6MFY2026

Top buying agencies

Obligations in FY2026.

  1. Public Buildings Service$2.6M100%
    4 awards

What was bought · Where the work was performed

Obligations in FY2026.

What was bought

  1. Construction & real property$2.6M100%

Where the work was performed

  1. St. Louis city, MO$1.6M62%
  2. Orange County, FL$734.9K28%
  3. District of Columbia, DC$226.6K8.7%
  4. Hamilton County, TN$18.1K0.7%

Integrity signals

Shares of the year's obligations, next to the country's.

  • Low competition29%
    US 39% · $753K
  • Sole-source awards0.0%
    US 30% · $0
  • Single-offer competitions29%
    US 8.7% · $753K
  • Urgency justifications0.0%
    US 5.1% · $0

A signal is a reason to look closer, not evidence of wrongdoing: most sole-source awards are lawful and justified.

Largest awards

  1. LEAD DESIGN ARCHITECT NEW UNITED STATES COURTHOUSE IN CHATTANOOGA, TN$17.5M
    Public Buildings Service· Hamilton County, TN· Construction & real property· Apr 15, 2025 – Jul 23, 2026· 47PE0525C0001
  2. ARCHITECT-ENGINEER SERVICES FOR THE FRANK E. MOSS SEISMIC UPGRADE, BACKFILL AND MODERNIZATION PROJECT LOCATED AT 350 SOUTH MAIN STREET, SALT LAKE CITY, UT 84101$15.4M
    Public Buildings Service· St. Louis city, MO· Construction & real property· Aug 5, 2020 – Sep 21, 2026· 47PJ0020C0079
  3. HURRICANE REPAIR PROJECT, GEORGE C YOUNG FB & CH, 400 W. WASHINGTON ST., ORLANDO, FL 32801 & ANNEX U.S. CH, 401 W. CENTRAL BLVD., ORLANDO, FL 32801 ORLANDO ANNEX U.S. COURTHOUSE (FL0025ZZ) BUILDING ADDRESS: 401 WEST WASHINGTON ST., ORLANDO FL 32801$2.9M
    Public Buildings Service· Orange County, FL· Construction & real property· Aug 15, 2024 – May 20, 2026· 47PE0324F0012
  4. A/E SERVICES 2ND & 3RD FLOOR RENOVATIONS, ONE WHITE FLINT NORTH BUILDING, 11555 ROCKVILLE PIKE, ROCKVILLE, MD 20852.$2.8M
    Public Buildings Service· District of Columbia, DC· Construction & real property· Jul 17, 2024 – Sep 29, 2026· 47PM0224F0013

Subawards

Matched by Unique Entity ID: the first-tier subawards this organization reported as a prime recipient, and those primes reported paying it.

As a prime: who it pays · FY2026

No subawards reported as a prime in FY2026.

As a sub-recipient: who pays it · FY2026

No subawards reported to it in FY2026.

By fiscal year

  • FY2023: $393.1K paid out · $0 received
  • FY2024: $504.9K paid out · $0 received
  • FY2025: $966K paid out · $0 received

Primes report first-tier subawards of $30,000 or more themselves, and many go unreported (GAO-24-106214). Reporting moved from FSRS to SAM.gov in March 2025 and fewer sub-contracts have been reported since. Amounts are what primes reported; they are never added to prime award totals.

Source: Subawards (first-tier sub-contracts and sub-grants reported under FFATA) (U.S. Department of the Treasury, USAspending.gov (reports filed in SAM.gov, formerly FSRS)), data current to Oct 9, 2026, loaded Oct 9, 2026 · Subawards loaded from FY2021.

Teaming partners

Companies this company reported paying, primes that reported paying it, from FFATA subaward reports.

Companies it pays

6 companies · $1.9M reported

  1. WISS JANNEY ELSTNER ASSOCIATES INC$966K
    EMERYVILLE, CA · 1 subaward · Architectural, engineering, and related services
  2. OCMI INC$332K
    IRVINE, CA · 4 subawards · Architectural, engineering, and related services
  3. IMEG CONSULTANTS CORP.$255.3K
    ROCK ISLAND, IL · 4 subawards · Architectural, engineering, and related services

Primes that pay it

No prime reported paying it.

Showing the top 3 of each list. Open the profile for potential partners and the full lists.

Primes report first-tier subawards of $30,000 or more themselves, and many go unreported (GAO-24-106214). Reporting moved from FSRS to SAM.gov in March 2025 and fewer sub-contracts have been reported since. Amounts are what primes reported; they are never added to prime award totals.

Source: Subawards (first-tier sub-contracts and sub-grants reported under FFATA) (U.S. Department of the Treasury, USAspending.gov (reports filed in SAM.gov, formerly FSRS)), data current to Oct 9, 2026, loaded Oct 9, 2026 · Subawards loaded from 2021.

Competitors

Companies that win from the same buyers in the same markets: obligations by agency and industry compared over the last three fiscal years.

Compared on 5 markets (agency × industry), FY2024–FY2026.

  1. DATTNER ARCHITECTS DPC$30.7M−45% in FY2026
    NEW YORK, NY · 48% of this company's obligations are in markets they both servePublic Buildings Service · Architectural, engineering, and related services
  2. APSI CONSTRUCTION MANAGEMENT$31.1M+392% in FY2026
    IRVINE, CA · 45% of this company's obligations are in markets they both servePublic Buildings Service · Architectural, engineering, and related services
  3. AFFILIATED ENGINEERS METRO DC, INC.$24.3M−63% in FY2026
    ROCKVILLE, MD · 42% of this company's obligations are in markets they both serveNational Institutes of Health · Architectural, engineering, and related services

Showing the top 3 of 25 competitors. Open the profile for the full list.

Who sells to the same buyers in the same markets, not who wins against whom on a given contract. Prime contract obligations by the agency and NAICS code of each award; subawards are never added. A company is a family of legal entities, joined by parent UEI or, in part, by an AI reading of names.

Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 9, 2026, loaded Oct 9, 2026 · FY2024–FY2026.

Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 9, 2026, loaded Oct 9, 2026.