← All NAICS and NIGP codes
NAICS code 541511
NAICS 541511: Custom Computer Programming Services
The NAICS code for writing, modifying, testing and supporting software built for one particular customer, rather than sold off the shelf.
What 541511 covers
- •Custom application development for a single client
- •Modifying or extending existing software to a customer's requirements
- •Software testing, debugging and ongoing support of custom-built code
- •Web and mobile application development delivered as a service
Solicitations that carry this code
- •Custom application build and modernisation RFPs
- •Staff augmentation and task-order vehicles for software developers
- •Agency portal, workflow and case-management system builds
Related codes
Buyers do not always classify the same work the same way. These are the codes most often used for adjacent scope.
- NAICS 541512 - Computer Systems Design Services
- NAICS 541519 - Other Computer Related Services
- NIGP 920-40 - Programming Services, Computer
Size standards
Small-business size standards are set per NAICS code and are revised on their own schedule, so they are not reproduced here - a stale figure is worse than none. Check the current threshold in the SBA table of size standards.
Bidding on NAICS 541511 work
BidBuster finds solicitations matched to your registered codes, decodes each one into a compliance matrix, drafts and prices the response, and assembles a submission-ready package.