NAICS 561110

Office Administrative Services

Key Figures

Establishments
36,864
Census CBP · 2023
Employment
550,384
Census CBP · 2023
Market size
$90.8B
Census Economic Census · 2022

Figures are published for NAICS 561110 directly.

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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.

Source: US Census Bureau, 2017 NAICS Definitions. Public domain.

Which code does this activity belong in?

Office Administrative Services comprises establishments that provide internal business functions such as financial planning, billing, recordkeeping, and personnel administration to clients on a contract basis, but do not supply staff to operate client businesses. This distinguishes the code from Employment Services, which supplies workers to supplement a client's workforce, and from Business Support Services, which performs routine functions that businesses traditionally handle themselves rather than contracting out specific administrative tasks.

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Where this sits