NAICS code 561110: Office Administrative Services

NAICS 561110 is “Office Administrative Services”. 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.

Examples from the U.S. Census Bureau: Administrative management services; Business management services; Executive management services; Hotel management services (except complete operation of client's business); Industrial management services; and Management services (except complete operation of client's business).

Businesses mainly 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; and providing computer facilities management are classified in U.S. Industry 541513, Computer Facilities Management Services.

$12.5 million average annual receipts (average of the last five fiscal years), including affiliates. Source: 13 CFR 121.201, effective March 17, 2023.

SIC 8741 (Management Services, part), from the U.S. Census Bureau concordances (1987 SIC → 2002 NAICS, carried to 2022 NAICS).

561110 (Office administrative services) on Schedule C, line B, from the IRS list of principal business codes.

Federal agencies put a NAICS code on each solicitation in SAM.gov, and some states and cities use NAICS codes too. Add 561110 to your SAM.gov registration and to your bid alerts; PublicBeam emails new bids for the codes you choose every morning.