2022 NAICS national industry in sector 52 Finance and Insurance

523940 Portfolio Management and Investment Advice

NAICS 523940 is the US industry code for portfolio management and investment advice. It covers establishments primarily engaged in managing the portfolio assets (i.e., funds) of others on a fee or commission basis and/or providing customized investment advice to clients on a fee basis.

Code
523940 (2022 NAICS)
Title
Portfolio Management and Investment Advice
Part of
Other Financial Investment Activities
SBA small business limit
Average annual receipts up to $47 million
Closest UK SIC
66190, 66300 (details)

Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.

Official definition

This industry comprises establishments primarily engaged in managing the portfolio assets (i.e., funds) of others on a fee or commission basis and/or providing customized investment advice to clients on a fee basis. Establishments providing portfolio management have the authority to make investment decisions, and they derive fees based on the size and/or overall performance of the portfolio. Establishments providing investment advice provide financial planning advice and investment counseling to meet the goals and needs of specific clients, but do not have the authority to execute trades.

Examples Census gives

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

Source: US Census Bureau, 2022 NAICS cross-references.

Businesses that use this code

Activities listed under 523940

The Census index assigns these 16 activities to this code. If your business matches one, this is your code.

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 523940

To count as a small business for SBA loans and federal contracts under NAICS 523940, your business (including affiliates) must not exceed $47 million in average annual receipts. Check your business.

Source: SBA table of size standards, effective March 17, 2023.

Closest UK SIC 2007 codes

There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 6630, 6619), so treat them as a starting point and check the definition.

Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.

Similar codes to compare

Data last changed November 14, 2026. How this page is built.