PSC codes › R424
PSC R424 — Expert Witness: federal contracts
Buyers by office, new entrants and recompetes in FedSift →
Open solicitations
Open any solicitation for a free AI read of its package — deal-breakers and risks, each quoted from the page it came from. With a free account, FedSift also builds its compliance matrix.
Get new PSC R424 solicitations by email
We'll email you when new PSC R424 (Expert Witness) solicitations post on SAM.gov. The first email lists what is open right now (1), then at most once a week, only when something new posts. No account needed; unsubscribe in a click.
What PSC R424 covers
Description: Expert Witness
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Professional Services › Legal Services.
Who is winning new PSC R424 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| ANALYSIS GROUP INC | $50.2M | 54 |
| THE BRATTLE GROUP INC | $30.6M | 35 |
| BATES WHITE, LLC | $25.5M | 20 |
| FTI CONSULTING, INC. | $24.0M | 52 |
| GEORGIA TECH APPLIED RESEARCH CORP | $20.7M | 6 |
| CORNERSTONE RESEARCH INC | $18.2M | 18 |
| TMAX GOVERNMENT SOLUTIONS LLC | $12.5M | 19 |
| COMPASS LEXECON LLC | $10.6M | 9 |
| MORGAN, ANGEL, BRIGHAM & ASSOCIATES L.L.C. | $10.4M | 28 |
| BEACON GROUP, LLC | $9.5M | 39 |
How competitive is PSC R424?
- 9.6% of obligations on these awards were competed.
- 13.2% of competed awards that report offers drew a single offer (n=1,323).
- 32.5% went to small businesses.
- The five largest contractors hold 24.9% across 1,171 contractors.
NAICS codes used on PSC R424 awards
| NAICS | Industry | Share |
|---|---|---|
| 541199 | All Other Legal Services | 34.4% |
| 541990 | All Other Professional, Scientific, and Technical Services | 17.9% |
| 541611 | Administrative Management and General Management Consulting Services | 13.5% |
| 541690 | Other Scientific and Technical Consulting Services | 9.9% |
| 541618 | Other Management Consulting Services | 5.1% |
| 541330 | Engineering Services | 5.1% |
| 531320 | Offices of Real Estate Appraisers | 3.8% |
| 621111 | Offices of Physicians (Except Mental Health Specialists) | 1.8% |
Related PSC codes
R418 Legal Services · R499 Other Professional Services · R408 Program Management/Support Services · R425 Engineering and Technical Services · R710 Financial · C219 Other Architect and Engineering Services · F999 Other Environmental Services, Studies, and Analytical Support · R699 Other Administrative Support Services
Win PSC R424 work with FedSift
- Matched to your company — PSC R424 solicitations ranked against your capabilities, NAICS and certifications, with a fit score for each
- A compliance matrix from the package — every requirement in the attachments, each cited to its page
- A pipeline that watches the dates — question cutoffs and response deadlines from what the notice states, amendments and new versions as they post
- The market behind the code — buyers by contracting office, who is entering, adjacent codes and contracts coming up for recompete
See the 1 open, ranked for you → or open PSC R424 intelligence
Free plan, no credit card. Browse without an account; sign in to match and track.