GovChime
UEI: GK12RNUCEHR3 • CAGE: 57YE5

SIMPSON THACHER & BARTLETT LLP (NY)

Registration and award facts

SAM.gov registration as of

Net obligations since FY2009
$7.38M
$7,381,590under this UEI
FY2026 obligations
$0
Provisional
Awards and orders
13
with positive net obligations3 IDV vehicles held
Latest action
May 18, 2016
SAM.gov registration
Active
Registration expiration date Jan 29, 2027

Registration

Entity structure
Partnership or Limited Liability Partnership
Business start date
May 23, 2003 (23 years)
Location
New York, NY
State of incorporation
New York
Website
stblaw.com

† FY2026 obligations (provisional; DoD awards signed after Jul 26, 2026 are not yet public).

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI GK12RNUCEHR3. GovChime does not check exclusions.

Performance

Net obligations recorded under this UEI since FY2009. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.

Net obligations by fiscal year of action

  • FY2015: -$4,322,572 (de-obligation)
  • FY2011: -$510,806 (de-obligation)
  • FY2010: -$1,886,442 (de-obligation)
  • FY2009: $14,101,410

Total across 4 fiscal years: $7,381,590

Net de-obligation in that fiscal year (obligations withdrawn).

Top awarding agencies

Top awarding sub-agencies

Top NAICS by obligations

Top product and service codes by obligations

  • R418Legal services$7,381,590, 100%

Capabilities

NAICS codes

SBA certifications

No certification in the SBA profile data.

Product and service codes (PSC)

  • R418Professional, Administrative & Management Support

Contracts

Latest awards and orders

  1. TOFS09D00010006Delivery orderunder an indefinite delivery contract (IDC)Department of the TreasuryDepartmental OfficesLatest action
  2. TOFS09D00010002Delivery orderunder an indefinite delivery contract (IDC)Department of the TreasuryDepartmental OfficesLatest action
  3. 0003Delivery orderunder an indefinite delivery contract (IDC)Department of the TreasuryDepartmental OfficesLatest action
  4. TOFS09D0009Indefinite delivery contract (IDC)VehicleDepartment of the TreasuryDepartmental OfficesLatest action
  5. TOFS09D00090004DoDepartment of the TreasuryDepartmental OfficesLatest action
  6. TOFS09D00090003DoDepartment of the TreasuryDepartmental OfficesLatest action
  7. TOFS09D00010001DoDepartment of the TreasuryDepartmental OfficesLatest action
  8. TOFS09D00090001DoDepartment of the TreasuryDepartmental OfficesLatest action
  9. TOFS09D00010004DoDepartment of the TreasuryDepartmental OfficesLatest action
  10. TOS090070001DoDepartment of the TreasuryDepartmental OfficesLatest action

Contact Info

As of . Source: SAM.gov Points of Contact.

SAM.gov registration for SIMPSON THACHER & BARTLETT LLP lists a physical address and a separate mailing address, along with 3 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.

Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).

Physical Address

425 LEXINGTON AVE

NEW YORK, NY, 10017

USA

Mailing Address

425 LEXINGTON AVENUE

NEW YORK, NY, 10017

USA

Government Business Contact

BARBARA SOO HOO

DIRECTOR OF FINANCE

425 LEXINGTON AVENUE

NEW YORK, NY, 10017

USA

Electronic Business Contact

BARBARA SOO HOO

Director of Finance

425 LEXINGTON AVENUE

NEW YORK, NY, 10017

USA

Government Business Alternate Contact

BARBARA SOO HOO

DIRECTOR OF FINANCE

425 LEXINGTON AVENUE

NEW YORK, NY, 10017

USA

Additional Details

As of . Source: SAM.gov Entity Registration.

SIMPSON THACHER & BARTLETT LLP has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires January 29, 2027.

Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.

Compliance & Risk Assessment

Source: SAM.gov FAR responses

Suspension/Debarment Status

SAM.gov registration reports no active exclusion

Public Display

Entity information is publicly displayed

Disaster Relief Registry

Not registered for disaster relief

Bonding Information

No bonding information provided

EDI

Not declared in SAM.gov

Business Structure

Source: SAM.gov
Profit Structure:For Profit Organization

Registration Details

Source: SAM.gov

Initial Registration

Oct 10, 2008

Last Update

Feb 2, 2026

Registration Activation

Active — Feb 2, 2026

Fiscal Year End

1231

Country of Incorporation

USA

Congressional District

12