Contract 2091JB21C00010

Cornerstone Research Inc · Department Of The Treasury · July 13, 2021

Firm Fixed PriceSole SourceNAICS 541990

Cornerstone Research Inc was awarded a federal contract by Department Of The Treasury (Internal Revenue Service) on July 13, 2021 for $715,000 of work in all other professional, scientific, and technical services. Performance is in Menlo Park, CA. It was awarded under full and open competition. The contract has been modified 3 times since the base award It uses firm fixed-price contract pricing. The most recent modification was on February 10, 2026.

Obligated to date
$715.0K
$714,988
Current value
$715.0K
Modifications
3
Latest February 10, 2026

Contract details

PIID
2091JB21C00010
Award type
Definitive Contract
Pricing
Firm Fixed Price
Set-aside
No Set Aside Used.
Competition
Not Competed
NAICS
541990 · All Other Professional, Scientific, And Technical Services
Product / service
Support- Professional: Expert Witness
Place of performance
Menlo Park, CA
First action
July 13, 2021
Latest action
February 10, 2026

Description

EXPERT WITNESS SERVICES REQUIRED FOR THE LITIGATION OF A CASE BY INTERNAL REVENUE SERVICE, CHIEF COUNSEL. THIS MODIFICATION IS TO CLOSE OUT THE ORDER.

Modification timeline

  • February 10, 2026
    Mod P00003
    $-1.84M
  • April 26, 2025
    Mod P00002
    EXPERT WITNESS SERVICES, ANALYZE AND OPINE ON THE BUSINESS REALTIES AND INDUSTRY STANDARDS RELATED TO LARGE-SCALE LAND DEVELOPMENT AND HOMEBUILDING ACTIVITIES F
    $0
  • January 16, 2024
    Mod P00001
    EXPERT WITNESS SERVICES CYRBYME-C
    $1.02M
  • July 13, 2021
    Base award
    IRS EXPERT WITNESSES THAT IS CAPABLE OF PROVIDING LITIGATION SUPPORT FOR CASES INVOLVING IRS AUDIT DEFENSE, PERFORM FORENSIC ACCOUNTING SERVICES, AND/OR ASSIST
    $1.54M

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Frequently asked questions

What is contract 2091JB21C00010?

Contract 2091JB21C00010 is a federal contract awarded to Cornerstone Research Inc by Department Of The Treasury on July 13, 2021 for $715,000 of work classified under ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES. It has been modified 3 times since the base award.

Who won contract 2091JB21C00010?

Cornerstone Research Inc won contract 2091JB21C00010 from Department Of The Treasury.

How much is contract 2091JB21C00010 worth?

Contract 2091JB21C00010 has obligated $715,000 to date.