NAICS 561110: Office Administrative Services
Office Administrative Services is NAICS code 561110. A business is small under it with $12.5 million or less in average annual receipts. 3 federal contracts are open on SAM.gov under this code right now.
- SBA size standard
- $12.5 million or less in average annual receipts
- Open contracts now
- 3
- Federal spending, FY2025
- $660.3 million
- Share won by small businesses
- 75%
- Small businesses registered
- 7,603
Open federal contracts for office administrative services
- Health Information Management Support Services
Due in 20 hr leftOct 5, 2026
- Professional, Administrative, and Management Support Services
No deadline
- NSWC Carderock Division CAC Office Support Services
No deadline
What NAICS 561110 covers
The Census Bureau's NAICS index lists these kinds of work under 561110:
- 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
Read the full definition, including what's excluded, on census.gov.
SBA size standard for 561110
To count as a small business for a contract assigned NAICS 561110, your business must have $12.5 million or less in average annual receipts. Receipts are averaged over your last five completed fiscal years.
From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.
Who buys office administrative services
Agencies that awarded the most under NAICS 561110 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Army | $394.5 million |
| U.S. Citizenship and Immigration Services | $251.7 million |
| National Aeronautics and Space Administration | $227.6 million |
| Department of the Air Force | $197.4 million |
| Department of the Navy | $98.4 million |
| Department of State | $95.4 million |
| National Institutes of Health | $58.8 million |
| Department of Energy | $48.1 million |
Open notices right now come from Dept of Defense (2) and Department of Health and Human Services (1).
Set-asides on open 561110 contracts
- No set-aside (full and open): 1
- 8(a) sole source: 1
- Women-owned set-aside: 1
Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.
Your competition
7,603 businesses with active SAM.gov registrations are rated small under NAICS 561110, most of them in Virginia (911), Texas (887), Florida (754), Georgia (636) and Maryland (623). Look any of them up with the free CAGE code and UEI lookup.
Federal spending under 561110 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $788.8 million |
| FY2025 | $660.3 million |
| FY2026 | $440.4 million |
| FY2027 (so far) | $0 |
Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.
Frequently asked questions
What is NAICS code 561110?
561110 is the 2022 NAICS code for Office Administrative Services. The Census Bureau's index lists work such as administrative management services, business management services, executive management services under it. Federal contracting uses the 2022 codes.
What is the SBA size standard for NAICS 561110?
$12.5 million or less in average annual receipts. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.
Are there government contracts for office administrative services?
Yes. 3 federal contract opportunities under NAICS 561110 are open on SAM.gov right now. Agencies obligated about $660.3 million under this code in fiscal year 2025, according to USAspending.gov.
How do I add NAICS code 561110 to my SAM.gov registration?
Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.
Keep going
- Search other NAICS codes by keyword or company
- How to choose NAICS codes for government contracts
- NAICS codes with the most open federal contracts
FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.