Federal contractor profile

KOO LLC

UEI L9ZJGUKZFLR8CAGE 4TYC2Company website ↗

Active

Woman Owned Small BusinessWoman Owned BusinessSmall Business

Overview

Legal name: KOO LLC
Registered location: CHICAGO, IL, USA
Website: Company website ↗
Primary NAICS: 541310 — Architectural Services
Latest award activity: Sep 3, 2026

Read company summary

KOO LLC is associated with UEI L9ZJGUKZFLR8 and CAGE 4TYC2 in public federal records. AcornBids currently links 37 prime awards totaling $3.1M in obligations to this entity. Its largest recorded federal customer by obligations is General Services Administration. Its recorded federal awards include work classified as Architectural Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541310 (Architectural Services). Its public SAM.gov registration lists CHICAGO, IL, USA.

At a glance

Lifetime prime obligations$3.1M

Prime awards37

Awards with future end dates14

Top-agency concentration100.0%

Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Sep 27, 2026. Refresh pending; these totals may be out of date.

Business information

Public SAM.gov registration details.

Legal name: KOO LLC
UEI: L9ZJGUKZFLR8
CAGE: 4TYC2
Registered address: 55 W WACKER DR, CHICAGO, IL, 60601, USA
Registration status: Active
Primary NAICS: 541310 — Architectural Services
SAM activation: May 13, 2026
Initial registration: Jul 30, 2007
Entity start: Dec 1, 2014
SAM updated: May 13, 2026
Registration expires: May 11, 2027
Fiscal year end: Dec 31
Place of incorporation: IL, USA

View SAM.gov source

Federal award analysis

Net transaction obligations by federal fiscal period.

Transaction history is not available in the loaded data. Annual funding is not estimated from current award totals.

Recent federal awards

Prime contract awards. Select an award to review its history and source evidence.

Award / description	Awarding agency	Obligations	Start date	End date
47PE5426F029347PE5426F0293 - AE SERVICES FOR 536 SIDEWALK IMPROVEMENTS PROJECT, 536 S. CLARK STREET, CHICAGO, IL.	General Services Administration	$35.0K	Jun 30, 2026	Aug 5, 2027
47PF0022F0333AWARD FOR THE DESIGN OF TWO SUITES. 230 S. DEARBORN AVE. CHICAGO, IL, 60604.	General Services Administration	$117.6K	Feb 24, 2022	Aug 27, 2026
47PF0022F0925HATCH ACCESS UPGRADE DESIGN FOR THE 536 S. CLARK CHICAGO IL FEDERAL BUILDING 536 S CLARK ST CHICAGO IL 60605-1509	General Services Administration	$47.7K	Aug 25, 2022	Oct 1, 2026
47PF0021F1005AE DESIGN SERVICES WORK ORDER NO. 21-101 FOR THE SSA FIELD OFFICE, 1ST FLOOR AT THE NATHANIEL R. JONES FEDERAL BUILDING AND US COURTHOUSE, 10 EAST COMMERCE STREET, YOUNGSTOWN OH…	General Services Administration	$41.6K	Aug 11, 2021	Mar 10, 2026
47PE5426F0341ABATEMENT OF FLOORS 17, 21 AND AIR MONITORING LOCATED AT 219 SOUTH DEARBORN STREET, CHICAGO ILLINOIS 60604.	General Services Administration	$31.5K	Jul 29, 2026	Jan 25, 2027
47PF0023F0614A/E BASEMENT STORMWATER DRAINAGE IMPROVEMENTS, FEDERAL BUILDING, 536 SOUTH CLARK STREET, CHICAGO, ILLINOIS. FIRM SHALL PROVIDE DESIGN SERVICES TO IMPROVE THE EXISTING STORMWATER…	General Services Administration	$174.1K	May 9, 2023	May 14, 2027
47PF0023D0044INDEFINITE DELIVERY INDEFINITE QUANTITY (IDIQ) ARCHITECTURE/ENGINEERING (A/E) SERVICES COVER THE CHICAGOLAND AREA DEFINED AS THE CHICAGO-NAPERVILLE-ELGIN,IL-IN-WI METROPOLITAN…	General Services Administration	$2.5K	Sep 27, 2023	Not available
47PF0020D0030SUPPLEMENTAL ARCHITECT&ENGINEER INDEFINITE DELIVERY INDEFINITE QUANTITY CONTRACT FOR GSA REGION 5 TO INCLUDE THE STATE OF ILLINOIS, INDIANA, OHIO, MICHIGAN, MINNESOTA,&WISCONSIN.	General Services Administration	$50.0M	Aug 1, 2020	Not available
47PE5426F0284A/E SERVICES IN SUPPORT OF THE SMOKE ATRIUM UPGRADE PROJECT AT THE FEDERAL BUILDING, 536 S CLARK ST, CHICAGO, IL	General Services Administration	$96.7K	Jun 26, 2026	Dec 31, 2027
47PE5426F0209ARCHITECT/ENGINEER SERVICES FOR METROPOLITAN CORRECTIONAL CENTER PLAZA REPAIRS PROJECT AT METROPOLITAN CORRECTIONAL CENTER PLAZA, LOCATED 450 SOUTH FEDERAL STREET, CHICAGO, IL…	General Services Administration	$68.4K	Jun 25, 2026	Apr 28, 2027

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Modeled recompete windows are estimates, not announced solicitations or guarantees.

TASK ORDER AWARD FOR THE BIRCH BAYH USCH 280-292 CHAMBERS RENOVATION DESIGN PROJECT TAKING PLACE AT THE BIRCH BAYH U.S. COURTHOUSE, 46 E OHIO STREET, INDIANAPOLIS, IN 46204-1903

General Services Administration$223.0K obligationsEnds Dec 31, 202670% recompete estimate

ARCHITECT-ENGINEER DESIGN SERVICES FOR THE US ATTORNEY'S OFFICE EXPANSION AT THE STANLEY J. ROZKOWSKI U.S. COURTHOUSE IN ROCKFORD, ILLINOIS

General Services Administration$61.1K obligationsEnds Dec 1, 202670% recompete estimate

A/E BASEMENT STORMWATER DRAINAGE IMPROVEMENTS, FEDERAL BUILDING, 536 SOUTH CLARK STREET, CHICAGO, ILLINOIS. FIRM SHALL PROVIDE DESIGN SERVICES TO IMPROVE THE EXISTING STORMWATER…

General Services Administration$174.1K obligationsEnds May 14, 202785% recompete estimate

ARCHITECT/ENGINEERING SERVICES FOR THE UNITED STATES COURT OF APPEALS ROOM 2769 AND 2787 MODERNIZATION AT THE EVERETT MCKINLEY DIRKSEN U.S. COURTHOUSE, 219 S. DEARBORN STREET…

General Services Administration$50.9K obligationsEnds Aug 15, 202780% recompete estimate

ARCHITECT ENGINEER, KOO, LLC, IRA RESTORATION SITES: RENOVATE STREETSCAPE DESIGN, LOCATED AT THE STANLEY J. ROSZKOWSKI U.S. COURTHOUSE, 327 S CHURCH ST, ROCKFORD, IL 61101.

General Services Administration$97.1K obligationsEnds Dec 15, 202675% recompete estimate

HATCH ACCESS UPGRADE DESIGN FOR THE 536 S. CLARK CHICAGO IL FEDERAL BUILDING 536 S CLARK ST CHICAGO IL 60605-1509

General Services Administration$47.7K obligationsEnds Oct 1, 202675% recompete estimate

ARCHITECT/ENGINEER SERVICES FOR METROPOLITAN CORRECTIONAL CENTER PLAZA REPAIRS PROJECT AT METROPOLITAN CORRECTIONAL CENTER PLAZA, LOCATED 450 SOUTH FEDERAL STREET, CHICAGO, IL…

General Services Administration$68.4K obligationsEnds Apr 28, 202775% recompete estimate

ARCHITECT ENGINEER, KOO, LLC, US CITIZENSHIP IMMIGRATION SERVICES, AUTOMATIC DOOR OPENERS DESIGN, LOCATED AT FEDERAL BUILDING, 536 S. CLARK STREET, CHICAGO, IL 60605.

General Services Administration$41.0K obligationsEnds Oct 30, 202675% recompete estimate

ARCHITECT/ENGINEERING SERVICES FOR THE UNITED STATES COURT OF APPEALS MULTIPLE FLOOR SECURITY UPGRADES PROJECT AT THE EVERETT M. DIRKSEN UNITED STATES COURTHOUSE AT 219 SOUTH…

General Services Administration$53.7K obligationsEnds Dec 31, 202680% recompete estimate

47PE5426F0293 - AE SERVICES FOR 536 SIDEWALK IMPROVEMENTS PROJECT, 536 S. CLARK STREET, CHICAGO, IL.

General Services Administration$35.0K obligationsEnds Aug 5, 202780% recompete estimate

Registration, certifications & contacts

Registration evidence	Date
SAM updated	May 13, 2026
Source loaded	Sep 26, 2026
Initial registration	Jul 30, 2007
Entity start	Dec 1, 2014

Registration classifications: Self Certified Small Disadvantaged Business, Woman Owned Small Business, Woman Owned Business, Small Business. These are separate from the reported certificates above.

Industry	Reported size status
541310 — Architectural Services	Not reported
541410 — Interior Design Services	Not reported

Contact	Role	Published contact methods	Evidence	Source date
JAH HEE KOO	Government business	Contact method not published	SAM registration	Not available
DANIEL RAPPEL	Alternate government business	Contact method not published	SAM registration	Not available
JAH HEE KOO	Electronic business	Contact method not published	SAM registration	Not available
DANIEL RAPPEL	Alternate electronic business	Contact method not published	SAM registration	Not available

Registered industries

541310 — Architectural Services
541410 — Interior Design Services

Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source