PSC code
SUPPORT- PROFESSIONAL: EXPERT WITNESS
- PSC code
- R424
- Latest action
- Aug 8, 2026
Fewer than the minimum comparable awards under this PSC code.
Largest awards under this code
| Award | Contractor | Agency | Place | First action | Current value |
|---|---|---|---|---|---|
| SAQMMA11L1258 THE PURPOSE OF THIS MODIFICATION IS TO EXTEND THE POP TO 08/30/2026. | INFOEDGE TECHNOLOGY, INC. | Department of State | VA | May 8, 2026 | $27,413,430 |
| 29FTC123C0032 EXPERT SERVICES | BERKELEY RESEARCH GROUP, LLC | Federal Trade Commission | DC | Mar 24, 2026 | $10,004,335 |
| 15JC1V22P00000546 EXPERT WITNESS | GRADCO LLC | Department of Justice | MA | Mar 18, 2026 | $7,572,474 |
| 15JENR18P00000290 EXPERT WITNESS SERVICES | CACI, LLC - COMMERCIAL | Department of Justice | VA | Apr 14, 2026 | $7,308,434 |
| 15JATR23C00000074 EXPERT WITNESS SERVICES | SECRETARIAT ECONOMISTS LLC | Department of Justice | DC | Jun 2, 2026 | $6,145,777 |
| 29FTC123C0006 EXPERT SERVICES | BERKELEY RESEARCH GROUP, LLC | Federal Trade Commission | CA | Nov 9, 2022 | $6,002,579 |
| 15JENR22P00000144 EXPERT WITNESS | ANALYSIS GROUP INC | Department of Justice | MA | May 18, 2026 | $5,489,500 |
| 2023H225C00111 EXPERT WITNESS SERVICES - MICROCAPTIVE INSURANCE, FOR INTERNAL REVENUE SERVICE CHIEF COUNSEL. THE PURPOSE OF THIS MODIFICATION IS TO EXERCISE PHASES 3, 4 & 5. | FTI CONSULTING, INC. | Department of the Treasury | DC | May 13, 2026 | $4,684,000 |
| 2023H226C00012 EXPERT WITNESS SERVICES REQUIRED FOR LITIGATION OF CASE BY INTERNAL REVENUE SERVICE CHIEF COUNSEL. THE PURPOSE OF THIS MODIFICATION IS TO EXERCISE PHASES III, IV AND V, AND TO ADD ADDITIONAL DOCKETS. | RUSSELL, DAVID T | Department of the Treasury | CA | Jun 4, 2026 | $4,281,200 |
| 15JC1V23P00000016 EXPERT WITNESS SERVICES | BATES WHITE, LLC | Department of Justice | DC | Oct 21, 2022 | $4,123,243 |
| 15JTAX22P00000008 EXPERT WITNESS | BATES WHITE, LLC | Department of Justice | DC | Mar 13, 2026 | $3,945,067 |
| 2023H225C00066 EXPERT WITNESS SERVICES FOR SOFTWARE DESIGN AND OTHER RELATED EXPERT SERVICES. TRACS0002118, APPROVED 6/13/25 | EUREKA SOFTWARE SOLUTIONS INC | Department of the Treasury | TX | Jun 17, 2025 | $3,926,955 |
| 2023H223C00070 EXPERT WITNESS SERVICES. MODIFICATION INCORPORATES RFO FAR 52.222-90 TO SUPPORT IMPLEMENTATION OF THE EXECUTIVE ORDER 14398. | LUSTIG CREDIT RATING ADVISORY LLC | Department of the Treasury | IL | Jul 21, 2026 | $3,924,957 |
| 15JENR21P00000264 EXPERT WITNESS | HISTORICAL RESEARCH ASSOCIATES, INC. | Department of Justice | MT | Mar 31, 2026 | $3,881,556 |
| 2023H225C00043 SUBJECT MATTER EXPERT SUPPORT SERVICES; FUNDING MODIFICATION FOR PHASES 3 - 5. | CORNERSTONE RESEARCH INC | Department of the Treasury | GA | Jul 10, 2026 | $3,706,459 |
| 29FTC123C0004 EXPERT SERVICES | GLOBAL ECONOMICS GROUP, LLC | Federal Trade Commission | IL | Apr 14, 2026 | $3,553,104 |
| 2023H225C00044 EXPERT WITNESS; EXERCISE PHASES III, IV & V. | BATES WHITE, LLC | Department of the Treasury | DC | Jul 22, 2026 | $3,534,777 |
| 15JC1V21P00000243 EXPERT WITNESS SERVICES | ANALYSIS GROUP INC | Department of Justice | MA | Jun 11, 2026 | $3,494,314 |
| 2023H226C00029 EXPERT WITNESS SERVICES - CONSERVATION EASEMENT | BENSON PHD PE CRAIG H | Department of the Treasury | WI | Jun 30, 2026 | $3,407,012 |
| 2023H225C00121 EXPERT WITNESS SERVICES FOR LITIGATION OF A CASE BY INTERNAL REVENUE SERVICE, CHIEF COUNSEL. THIS MODIFICATION IS TO INCREASE PHASE II FUNDING. AS A RESULT, THE CEILING VALUE HAS INCREASED. | FTI CONSULTING, INC. | Department of the Treasury | DC | Apr 9, 2026 | $3,383,101 |
| FA852324F0001 FMS INTEGRATED SUPPORT STATION SUPPORT | GEORGIA TECH APPLIED RESEARCH CORP | Department of Defense | GA | Apr 7, 2026 | $3,350,664 |
| 29FTC122C0037 EXPERT SERVICES | THE BRATTLE GROUP INC | Federal Trade Commission | MA | Mar 10, 2026 | $3,287,698 |
| FA852323F0037 REDUCTION OF DATA USING COMPRESSION ENHANCEMENT (RDUCE) | GEORGIA TECH APPLIED RESEARCH CORP | Department of Defense | GA | Mar 6, 2026 | $3,214,891 |
| 15JTAX18P00000246 EXPERT WITNESS | CRA INTERNATIONAL, INC. | Department of Justice | MA | Sep 26, 2018 | $3,185,865 |
| 2091JB22C00012 THIS MODIFICATION UPDATES THE CONTRACTING OFFICER. IRS EXPERT WITNESSES THAT IS CAPABLE OF PROVIDING LITIGATION SUPPORT FOR CASES INVOLVING IRS AUDIT DEFENSE, PERFORM FORENSIC ACCOUNTING SERVICES, AND/OR ASSIST IN TAX ABATEMENT. POP:06/16/2022-06/1 | KROLL, LLC | Department of the Treasury | NY | Apr 13, 2026 | $3,179,662 |
Related records
Derived from awards these records share, ordered by how many.
Benchmarked as
Bought by
Performed in
- California255
- District of Columbia239
- Texas218
- Massachusetts190
- Georgia158
- New York154
- Virginia150
- Florida114
Sources and method
Figures on this page are computed from public federal award records. Numbers are never estimated or generated; where a figure is withheld, the reason is stated rather than filled in.
Totals cover awards where the government recorded this PSC code. Codes are taken as reported; awards are never reclassified into a different code.
- 1Awards are grouped by the PSC code the government recorded on the award, taken from USAspending.gov and last refreshed Aug 10, 2026. Miscoded awards stay miscoded here; we do not reassign codes.