2022 NAICS national industry in sector 52 Finance and Insurance
525920 Trusts, Estates, and Agency Accounts
NAICS 525920 is the US industry code for trusts, estates, and agency accounts. It covers legal entities, trusts, estates, or agency accounts, administered on behalf of the beneficiaries under the terms of a trust agreement, will, or agency agreement.
- Code
- 525920 (2022 NAICS)
- Title
- Trusts, Estates, and Agency Accounts
- Part of
- Other Investment Pools and Funds
- SBA small business limit
- Average annual receipts up to $40 million
- Closest UK SIC
- 64301, 64302, 64303, 64304 and 2 more (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 legal entities, trusts, estates, or agency accounts, administered on behalf of the beneficiaries under the terms of a trust agreement, will, or agency agreement.
Examples Census gives
- Bankruptcy estates
- Private estates (i.e., administering on behalf of beneficiaries)
- Personal investment trusts
- Testamentary trusts
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Managing portfolios of trusts are classified in Industry 523940, Portfolio Management and Investment Advice.
- Administering personal estates are classified in U.S. Industry 523991, Trust, Fiduciary, and Custody Activities.
- Operating businesses of trusts and bankruptcy estates are classified according to the kind of business operated.
Activities listed under 525920
The Census index assigns these 8 activities to this code. If your business matches one, this is your code.
- Bankruptcy estates
- Personal estates (i.e., managing assets)
- Personal investment trusts
- Personal trusts
- Private estates (i.e., administering on behalf of beneficiaries)
- Settlement trust funds
- Testamentary trusts
- Trusts, estates, and agency accounts
SBA size standard for 525920
To count as a small business for SBA loans and federal contracts under NAICS 525920, your business (including affiliates) must not exceed $40 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: 6430), so treat them as a starting point and check the definition.
- 64301Activities of investment trustsUK SIC
- 64302Activities of unit trustsUK SIC
- 64303Activities of venture and development capital companiesUK SIC
- 64304Activities of open-ended investment companiesUK SIC
- 64305Activities of property unit trustsUK SIC
- 64306Activities of real estate investment trustsUK SIC
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.