Federal Contracting by NAICS Code · Professional Services
NAICS 541620: Environmental Consulting Services
Advice and assistance to businesses and government on environmental issues — including environmental impact assessments, NEPA compliance, regulatory permitting, environmental audits, and site assessment services. The dominant NAICS for non-remediation environmental work.
📊 Based on 69 real federal solicitations tracked under this code
Sector
Professional Services
Typical award value
$250K - $20M per award
Set-aside activity
Yes
Federal agencies that buy under NAICS 541620
These buyers award environmental consulting services work under this code most often. Set up alerts on WinAContract to catch their solicitations early, then draft your response in GovCon.
Set-asides used under NAICS 541620
Filtering opportunities by NAICS 541620 and your certification surfaces the bids where large primes are excluded. See our set-aside program guides for how each one works.
Common questions about NAICS 541620
Which federal agencies buy under NAICS 541620?
The agencies that most frequently post environmental consulting services solicitations under NAICS 541620 include Environmental Protection Agency, US Army Corps of Engineers, Department of Energy, Department of the Interior, Department of Defense. Tracking these buyers on WinAContract and drafting responses in GovCon is the fastest way to build a pipeline under this code.
Is NAICS 541620 eligible for small-business set-asides?
Yes. Solicitations under NAICS 541620 commonly use Small Business, 8(a), HUBZone, SDVOSB, WOSB. If your firm holds a matching socioeconomic certification, you can compete on set-aside opportunities where large businesses are excluded — typically a far less crowded field.
What is the typical contract value for NAICS 541620?
Federal awards under NAICS 541620 typically range $250K - $20M per award. Actual values vary widely by agency, scope, and contract vehicle — for example, individual IDIQ task orders versus standalone definitive contracts.
What NAICS codes are related to 541620?
Closely related codes include 562910 (562910 · Remediation Services), 541330 (541330 · Engineering Services), 541370 (541370 · Professional, Scientific, and Technical Services). Registering in SAM.gov under every code that fits your capabilities widens the set of opportunities you'll match.
Related NAICS codes
Bidding on a NAICS 541620 opportunity?
GovCon is the AI proposal-writing tool built for federal offerors — import the solicitation, draft Sections L & M, and check compliance. Free plan, no card required.
Start free →Browse all NAICS contracting guides, look up any code with the free NAICS lookup tool, or read the federal contracting glossary.