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Federal Contracting by NAICS Code · Professional Services

NAICS 541820: Professional, Scientific, and Technical Services

Across 7 federal solicitations tracked under NAICS 541820 (Professional, Scientific, and Technical Services), the most active buyers include Justice, Department of, Dept of Defense, State, Department of. This guide covers who buys under this code, the set-asides actually used, typical award values, and how to find live opportunities.

📊 Based on 7 real federal solicitations tracked under this code

Sector

Professional Services

Typical award value

Varies by award

Set-aside activity

Yes

Federal agencies that buy under NAICS 541820

Justice, Department ofDept of DefenseState, Department ofInterior, Department of the

These buyers award professional, scientific, and technical 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 541820

Total Small Business Set-Aside (FAR 19.5)No Set aside used

Filtering opportunities by NAICS 541820 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 541820

Which federal agencies buy under NAICS 541820?

The agencies that most frequently post professional, scientific, and technical services solicitations under NAICS 541820 include Justice, Department of, Dept of Defense, State, Department of, Interior, Department of the. Tracking these buyers on WinAContract and drafting responses in GovCon is the fastest way to build a pipeline under this code.

Is NAICS 541820 eligible for small-business set-asides?

Yes. Solicitations under NAICS 541820 commonly use Total Small Business Set-Aside (FAR 19.5), No Set aside used. 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 541820?

Federal awards under NAICS 541820 typically range Varies by award. Actual values vary widely by agency, scope, and contract vehicle — for example, individual IDIQ task orders versus standalone definitive contracts.

Bidding on a NAICS 541820 opportunity?

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Browse all NAICS contracting guides, look up any code with the free NAICS lookup tool, or read the federal contracting glossary.