NAICS 5611 - Office Administrative Services

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Related NAICS Codes for NAICS 5611

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NAICS Code Industry Title
56111 Office Administrative Services
NAICS Code Industry Title
561110 Office Administrative Services

What is NAICS 5611

NAICS code 5611 encompasses Office Administrative Services, which includes establishments primarily engaged in providing a range of office support activities on a contract or fee basis. These services typically include administrative and clerical support functions such as record keeping, billing and invoicing, personnel management, and mail handling. Businesses operating within this sector serve as essential back-office partners that help organizations streamline operations and improve efficiency. Government agencies contract for these services to augment their administrative capacity without incurring the overhead of permanent staffing, allowing for flexible and scalable support aligned with project and operational demands. This sector plays a critical role in facilitating smooth government workflows and ensuring compliance with administrative requirements.

Breakdown for NAICS 5611

  • Includes businesses providing general office support and administrative services on a contract basis.
  • Covers activities such as record keeping, payroll processing, billing, and mail handling.
  • Supports a wide range of government agencies and private sector clients with scalable administrative solutions.
  • Typically involves small to medium-sized service contracts with flexible contract terms.
  • NAICS code 5611 encompasses establishments that do not produce goods but focus on administrative efficiency.

Included Activities for NAICS 5611

  • Managing and maintaining government personnel and payroll records.
  • Processing invoices, billing, and accounts receivable for government contracts.
  • Providing mailroom and courier services for government offices.
  • Supporting contract administration and compliance documentation.
  • Performing data entry, filing, and document management services.
  • Handling scheduling, correspondence, and meeting coordination.
  • Assisting with procurement paperwork and vendor communications.

Business Types for NAICS 5611

  • Administrative support service providers
  • Clerical and office staffing firms
  • Contract management and compliance consultants
  • Business process outsourcing (BPO) companies
  • Virtual administrative service providers

Government Buyers for NAICS 5611

Federal, state, and local government agencies are the primary purchasers of Office Administrative Services under NAICS 5611. Agencies such as the Department of Defense, General Services Administration, Department of Health and Human Services, and various state government offices procure these services to support administrative functions critical to daily operations. These services are essential for managing personnel records, processing contracts, handling correspondence, and supporting project management activities. Contracting for administrative services enables agencies to maintain operational continuity while managing resource constraints and adapting to fluctuating workloads.

Contract Types & Procurement for NAICS 5611

Common contracting vehicles for NAICS 5611 services include firm-fixed-price, time-and-materials, and indefinite delivery/indefinite quantity (IDIQ) contracts. Procurement methods range from simplified acquisitions to full and open competitive bids, depending on contract size and complexity. Typical contract values vary widely, from smaller task orders under $100,000 to multimillion-dollar programmatic contracts supporting large government operations. Agencies often award these contracts through GSA Schedule vehicles, multiple-award contracts, or direct solicitations. Contract terms usually emphasize flexibility, allowing adjustments as administrative needs evolve.

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