Top NSF offices of certified public accountants contractors
In the 12 months ending Oct 5, 2026, the National Science Foundation obligated $5.4M in net prime contract dollars under NAICS 541211, up 67.2% from $3.2M in the preceding 12 months. 6 prime contractors received positive obligations, and 3 of them accounted for 80% of that spend.
Prime contracts funded by the National Science Foundation. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top NSF contractors for NAICS 541211
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | Blake Willson Group LLC | $2.4M | $2.3M | 44.9% | — |
| 2 | Sikich CPA LLC | $1.6M | $271K | 30.3% | ▲ 1 |
| 3 | Mcbride, Lock & Associates, LLC | $566K | $422K | 10.5% | ▼ 1 |
| 4 | Kearney & Company, P.C. | $559K | $147K | 10.4% | — |
| 5 | Tinker Salome Chris Enterprise, LLC | $153K | $132K | 2.8% | — |
| 6 | Premier Group Services Inc | $53K | $0 | 1.0% | New |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Sikich CPA LLC$271K → $1.6M (+$1.4M) · now #2
- Kearney & Company, P.C.$147K → $559K (+$411K) · now #4
- Mcbride, Lock & Associates, LLC$422K → $566K (+$143K) · now #3
Largest declines
- Kpmg LLP$0 → −$12K (−$12K) · no latest-period obligations
Where the money comes from
Funding sub-agencies within the National Science Foundation, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| National Science Foundation | $5.4M | $3.2M | Up $2.2M (67.2%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| 49100424C0032 | Blake Willson Group LLC NSF DFM FINANCIAL MANAGEMENT REQUIREMENT - ACCOUNTING AND FINANCIAL SUPPORT SERVICES | $7.2M | Apr 8, 2027 |
| 140D0426F0827 | Sikich CPA LLC INCURRED COST AUDITS FOR 9 NSF AWARDEES | $1.3M | Sep 13, 2027 |
Common questions
Who are the top NSF contractors for NAICS 541211?
In the latest 12 months, Blake Willson Group LLC ($2.4M), Sikich CPA LLC ($1.6M), Mcbride, Lock & Associates, LLC ($566K) received the most NSF obligations for offices of certified public accountants.
How concentrated is this market?
The eight largest primes held 100.0% of positive obligations, and Blake Willson Group LLC alone held 44.9%. 0 contractors won their first obligations in this market during the latest 12 months.
Are any large NSF NAICS 541211 contracts ending soon?
2 of the largest awards in this market reach their current end date in the next 18 months. The first is 49100424C0032 (Blake Willson Group LLC, $7.2M obligated), ending Apr 8, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 541211 across all agencies
DoD · NAICS 541211
$338.6MHHS · NAICS 541211
$173.8MTreasury · NAICS 541211
$71.5MHUD · NAICS 541211
$66.5MDHS · NAICS 541211
$46.6MDOJ · NAICS 541211
$36.4MDOE · NAICS 541211
$36.1MUSDA · NAICS 541211
$13.9MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
Ready to connect your pursuit work?
GovEagle gives BD directors, capture managers, and proposal teams one AI workspace from pipeline through proposal, with CMMC/FedRAMP Certified compliance built in.