PSC R424 · federal market

Support – Professional: Expert Witness federal contracts

Who buys Product and Service Code R424 (Support – Professional: Expert Witness), who wins it, what's open now and which contracts expire next — from FY2026 USAspending awards and live SAM.gov solicitations.

Contract data as of Oct 18, 2026 (USAspending) · recent coverage verified weekly

Obligated · FY2026
$147.6M
Q4 FY2026 vs prior quarter: +27%
Contract awards · FY2026
1,243
new awards with a start date in the window
Open opportunities
1
active on SAM.gov now
Recompetes · next 12 months
764
$189.0M in expiring contracts
Code type
Service
Distinct buying agencies
13
Average award
$119K
Trend

Quarter over quarter

QuarterAwardsObligatedChange
Q1 FY2026190$14.4M—
Q2 FY2026355$40.2M+180%
Q3 FY2026344$40.9M+2%
Q4 FY2026354$52.1M+27%

Federal fiscal quarters (Q1 = Oct–Dec). Awards are counted in the quarter they start; obligations are the award's obligated amount.

Competition

Top contractors · FY2026

Registrations are rolled up to their corporate parent (USAspending parent UEI), so a company with several SAM registrations ranks once.

Where the money goes

Top agencies buying PSC R424

Recent awards

Largest awards · Q4 FY2026

StartContract · recipientObligated
Sep 9, 2026SUBJECT MATTER EXPERT SUPPORT SERVICES.
ANALYSIS GROUP INC · Department of the Treasury
$1.9M
Sep 28, 2026EXPERT WITNESS SERVICES.
ANALYSIS GROUP INC · Department of the Treasury
$1.5M
Jul 23, 2026EXPERT WITNESS SERVICES - TRANSFER PRICING AND VALUATION OF INTANGIBLES
ANALYSIS GROUP INC · Department of the Treasury
$1.1M
Jul 7, 2026THE IRS REQUIRES THE SERVICES OF AN EXPERT WITNESS IN CONNECTION WITH LITIGATION.
TAYLOR & MULDER INC · Department of the Treasury
$1.1M
Jul 7, 2026EXPERT WITNESS SERVICES FOR LITIGATION REGARDING PTEP (PREVIOUSLY TAXED EARNINGS AND PROFITS)
CORNERSTONE RESEARCH INC · Department of the Treasury
$1.1M

The largest obligations on awards that started in the window’s latest quarter.

Recompetes

Largest contracts expiring in the next 12 months

EndsContract · recipientObligated
Nov 30, 2026THE PURPOSE OF THE MODIFICATION IS IN SUPPORT OF THE LITIGATION SUPPORT SERVICES.
INFOEDGE TECHNOLOGY, INC. · Department of State
$27.5M
Dec 31, 2026EXPERT WITNESS
GRADCO LLC · Department of Justice
$7.6M
Dec 31, 2026EXPERT WITNESS SERVICES
KEYSTONE STRATEGY LLC · Department of Justice
$6.0M
Mar 27, 2027REMOVE LANGUAGE IN F.3. (SECOND PARAGRAPH) IN TERMS AND CONDITIONS.
JOHN J. YIM & ASSOCIATES, LLC · Department of Homeland Security
$5.0M
Dec 31, 2026EXPERT WITNESS SERVICES
BERKELEY RESEARCH GROUP, LLC · Department of Justice
$4.0M

764 contracts under this code reach their final end date (options included) in the next 12 months.

Set-asides

Set-aside mix

Set-aside typeObligatedShare
Small business set-aside$757K0.6%
8(a)$00.0%
SDVOSB$00.0%
WOSB / EDWOSB$00.0%
HUBZone$00.0%
No set-aside (full & open)$134.4M99.4%

Share of obligations on awards whose set-aside type is recorded — 92% of this market's dollars. Most USAspending bulk-archive records leave the field blank, so blank awards are excluded rather than counted as full & open.

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Agencies buying this work

Source: USAspending.gov contract awards (prime awards with a start date from Oct 1, 2025 through Sep 30, 2026), SAM.gov contract opportunities, and SBA size standards. Recompetes are contracts whose final end date — options included — falls in the next 12 months. Figures are recomputed when a new USAspending load lands. See our data sources.

PSC R424 Support – Professional: Expert Witness: Federal Contract Awards, Open Opportunities & Top Contractors | GovFabric