# NAICS code for professional services The NAICS code for professional services is 54 (Professional, Scientific, and Technical Services). Depending on the work, 541611 (Administrative Management and General Management Consulting Services) or 541990 (All Other Professional, Scientific, and Technical Services) may fit better. Professional, scientific and technical services are sector 54. The Professional, Scientific, and Technical Services sector comprises establishments that specialize in performing professional, scientific, and technical activities for others.Source: NAICS 2022 (Census).Official source: [U.S. Census Bureau NAICS](https://www.census.gov/naics/) | Industry | Professional Services | | --- | --- | | Primary NAICS | [54](https://samgovapi.io/naics/54) | | Title | Professional, Scientific, and Technical Services | Professional, scientific and technical services are sector 54. ## Other codes to consider | Code | Title | Size standard | | --- | --- | --- | | [54](https://samgovapi.io/naics/54) | Professional, Scientific, and Technical Services | - | | [541611](https://samgovapi.io/naics/541611) | Administrative Management and General Management Consulting Services | $24.5 million in average annual receipts | | [541990](https://samgovapi.io/naics/541990) | All Other Professional, Scientific, and Technical Services | $19.5 million in average annual receipts | ## What NAICS 54 covers The Professional, Scientific, and Technical Services sector comprises establishments that specialize in performing professional, scientific, and technical activities for others. These activities require a high degree of expertise and training. The establishments in this sector specialize according to expertise and provide these services to clients in a variety of industries and, in some cases, to households. Activities performed include: legal advice and representation; accounting, bookkeeping, and payroll services; architectural, engineering, and specialized design services; computer... ## Examples classified under 54 - Attorneys' offices - Attorneys' private practices - Settlement offices, real estate - Title abstract companies, real estate - Jury consulting services - Notary public services - Accountants' (i.e., CPAs) offices, certified public - Accountants' (i.e., CPAs) private practices, certified public ## Also searched as business services ## Get this as JSON ``` curl "https://samgovapi.io/api/v1/naics/54" \ -H "Authorization: Bearer sg_YOUR_KEY" ``` MCP tool: `naics_lookup`Keys start free, with no card. [Get a free API key](https://samgovapi.io/sign-up) or read the [docs](https://samgovapi.io/docs). ## Questions What is the NAICS code for professional services?The NAICS code most used for professional services is 54, Professional, Scientific, and Technical Services. Depending on the work, 541611, 541990 may fit better.How do I choose between the codes for professional services?Professional, scientific and technical services are sector 54.Can I list more than one NAICS code?Yes. A SAM.gov registration can list many NAICS codes with one marked primary; each solicitation names the single code that applies to it. ## Related - [NAICS 54](https://samgovapi.io/naics/54) - [NAICS code lookup](https://samgovapi.io/naics-code-lookup) - [Size standard checker](https://samgovapi.io/size-standard-checker) - [NAICS code for an industry](https://samgovapi.io/naics-code-for)Independent. Not affiliated with, endorsed by or sponsored by GSA, SAM.gov or any U.S. government agency. Registering in SAM.gov is free at sam.gov.

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