2022 NAICS national industry in sector 56 Administrative and Support and Waste Management and Remediation Services
561110 Office Administrative Services
NAICS 561110 is the US industry code for office administrative services. It covers establishments primarily engaged in providing a range of day-to-day office administrative services, such as financial planning; billing and recordkeeping; personnel; and physical distribution and logistics, for others on a contract or fee basis.
- Code
- 561110 (2022 NAICS)
- Title
- Office Administrative Services
- Part of
- Office Administrative Services
- SBA small business limit
- Average annual receipts up to $12.5 million
- Closest UK SIC
- 82110 (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 providing a range of day-to-day office administrative services, such as financial planning; billing and recordkeeping; personnel; and physical distribution and logistics, for others on a contract or fee basis. These establishments do not provide operating staff to carry out the complete operations of a business.
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Holding the securities or financial assets of companies and enterprises for the purpose of controlling them and influencing their management decisions are classified in U.S. Industry 551111, Offices of Bank Holding Companies, or U.S. Industry 551112, Offices of Other Holding Companies.
- Administering, overseeing, and managing other establishments of the company or enterprise (except government establishments) are classified in U.S. Industry 551114, Corporate, Subsidiary, and Regional Managing Offices.
- Providing computer facilities management are classified in U.S. Industry 541513, Computer Facilities Management Services.
- Providing construction management are classified in Sector 23, Construction, by type of construction project managed.
- Providing farm management are classified in U.S. Industry 115116, Farm Management Services.
- Managing real property for others are classified in Industry 53131, Real Estate Property Managers.
- Providing food services management at institutional, governmental, commercial, or industrial locations are classified in Industry 722310, Food Service Contractors.
- Providing management advice without day-to-day management are classified in Industry 54161, Management Consulting Services.
- Providing both management and operating staff for the complete operation of a client's business, such as a hotel, restaurant, mine site, or hospital are classified according to the industry of the establishment operated.
- Providing only one of the support services (e.g., accounting services) that establishments in this industry provide are classified in the appropriate industry according to the service provided.
Businesses that use this code
Activities listed under 561110
The Census index assigns these 13 activities to this code. If your business matches one, this is your code.
- Administrative management services
- Business management services
- Executive management services
- Hotel management services (except complete operation of client's business)
- Industrial management services
- Management services (except complete operation of client's business)
- Managing offices of dentists
- Managing offices of physicians and surgeons
- Managing offices of professionals (e.g., dentists, physicians, surgeons)
- Medical office management services
- Motel management services (except complete operation of client's business)
- Office administration services
- Office management services
SBA size standard for 561110
To count as a small business for SBA loans and federal contracts under NAICS 561110, your business (including affiliates) must not exceed $12.5 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: 8211), so treat them as a starting point and check the definition.
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Data last changed November 14, 2026. How this page is built.