Critical NAICS code mistakes during SAM registration include selecting incorrect codes that misrepresent business operations, choosing too many or too few classifications, neglecting regular updates as businesses evolve, insufficient research of code requirements, maintaining inconsistent codes across platforms, overlooking size standards that determine eligibility, and missing appeal opportunities for incorrect NAICS classifications. These errors can greatly impact a company’s visibility to contracting officers and eligibility for small business set-asides. The following sections explain how to avoid these costly missteps.
Misunderstanding NAICS Code Fundamentals

Confusion surrounding NAICS codes represents one of the most common pitfalls in the SAM registration process. Many businesses fail to grasp the NAICS classification importance as more than just administrative paperwork—these codes directly determine which government contracts they can pursue.
NAICS codes aren’t merely paperwork—they’re the gateway determining which government contracts your business can access.
The primary purpose of NAICS codes is to categorize businesses based on their specific products or services. When companies misunderstand this fundamental concept, they often select codes that inaccurately represent their core activities.
This misrepresentation has significant government contracting implications, as agencies use these classifications to identify potential vendors for specific needs. Incorrectly assigned codes can effectively make businesses invisible to contracting officers searching for specific services.
In addition, registration with inaccurate NAICS codes may disqualify otherwise eligible businesses from contract opportunities. The SBA uses these codes to establish size standards for each industry classification, determining eligibility for small business set-asides. Remember that each NAICS code follows a two-through-six-digit hierarchy that becomes increasingly specific at each level. Understanding the precise industry categories these codes represent is essential for maximizing visibility and eligibility in the federal marketplace.
Strategic selection of both primary and secondary NAICS codes is crucial for optimizing a company’s positioning and enhancing growth opportunities in government contracting.
Choosing Too Many or Too Few NAICS Codes

The balancing act of selecting the appropriate number of NAICS codes presents a significant challenge for businesses during SAM registration. Companies must navigate NAICS code complexity while ensuring maximum contract eligibility without misrepresentation.
Selecting excessive codes creates administrative burdens and dilutes focus on core capabilities, potentially triggering compliance reviews. Conversely, choosing too few codes severely limits visibility in government databases, causing businesses to miss relevant opportunities that match their actual capabilities. These codes are essential for tracking government spending patterns and resource allocation across different industries. Proper NAICS code selection is regulatory compliant and strategically advantageous for expanding business opportunities in government contracting.
The ideal approach includes:
- Identifying codes that precisely match primary business activities
- Ensuring each selected code reflects actual services or products offered
- Designating an appropriate primary NAICS code that best represents core operations
- Regularly reviewing and updating codes as business operations evolve
Successful NAICS code management requires strategic selection based on genuine capabilities rather than aspirational services, striking the right balance between thorough representation and focused specialization.
Failing to Update NAICS Codes When Business Evolves

As businesses evolve and diversify their capabilities, failing to update NAICS codes in SAM registrations creates significant operational blind spots that can derail federal contracting efforts.
Companies undergoing business evolution often miss contracting opportunities that align with their new capabilities simply because their SAM profile doesn’t reflect current operations. Accurate NAICS code representation is essential for maintaining compliance with federal procurement standards.
Evolving businesses lose opportunities daily through the silent sabotage of outdated SAM profiles.
The registration impact of outdated codes is substantial—contractors face automatic disqualification from bids requiring specific codes and experience reduced visibility in agency searches targeting updated sectors.
Real-world consequences include IT firms missing cloud computing opportunities and post-merger entities failing to reflect combined capabilities. Contracting officers thoroughly review NAICS codes on SAM profiles before awarding any contracts.
Effective mitigation requires monitoring NAICS codes during annual SAM renewals, adding new codes at least 1-2 days before bid submissions, and using SAM.gov’s Entity Registration tab for timely updates. Experts recommend maintaining between 5 to 15 codes that accurately represent your business focus for optimal results.
Contractors should also verify code alignment with current SBA size standards to guarantee proper representation of their evolving business activities.
Neglecting to Research Code Requirements Thoroughly

Many contractors rush into NAICS code selection without conducting proper research, resulting in misalignments that jeopardize their federal contracting opportunities.
Insufficient use of available research methods, such as the U.S. Census Bureau’s search tools, often leads businesses to choose inappropriate codes that don’t accurately reflect their primary activities.
Thorough code selection requires contractors to review detailed NAICS code descriptions, understand industry subcategories, and consider how their services align with specific classifications.
When businesses overlook this critical research step, they risk missing relevant opportunities within subcategories that might perfectly match their offerings.
Additionally, contractors may fail to recognize dependencies between different NAICS codes for interconnected business activities.
This lack of thorough research frequently results in registration delays, potential compliance issues, and ultimately, ineligibility for targeted government contracts that could otherwise be accessible with properly researched and selected NAICS codes.
Since these codes directly affect size standard eligibility, selecting incorrect NAICS classifications could disqualify small businesses from set-aside opportunities they might otherwise qualify for.
These codes are essential identifiers for the government procurement process, helping match businesses with appropriate contracting opportunities based on their specific offerings.
Inconsistent NAICS Code Documentation Across Platforms

Maintaining uniformity in NAICS code documentation across all business platforms represents a critical challenge for federal contractors seeking government opportunities.
When NAICS codes differ between SAM.gov, business certifications, and company websites, government agencies flag these discrepancies as potential compliance issues, often resulting in delayed contract processing or disqualification.
NAICS code synchronization requires systematic coordination between departments responsible for federal registrations.
Companies face particular challenges when their business evolves, necessitating regular updates to reflect current operations accurately.
Proper selection of codes that reflect core operations is essential for improving eligibility for government contracts and opportunities.
Documentation best practices include:
- Creating a centralized NAICS code management system
- Conducting quarterly audits of all business registration platforms
- Assigning responsibility to specific personnel for maintaining consistency
Businesses that fail to harmonize their NAICS classifications across platforms risk not only missing contracting opportunities but also facing potential contract termination or suspension if discrepancies emerge during performance audits.
Overlooking Size Standards Associated With NAICS Codes

The confusion surrounding size standards represents one of the most consequential errors contractors make during SAM registration. Many businesses select NAICS codes without understanding the size standard implications attached to each code, potentially disqualifying themselves from small business set-asides.
Industry classification importance cannot be overstated, as each NAICS code carries specific employee count or revenue thresholds.
When registering in SAM, contractors should:
- Research the size standards for each NAICS code before selection
- Verify that company metrics (revenue or employee count) align with the chosen codes’ standards
- Understand that contracting officers use these standards to determine eligibility at time of award
The SBA establishes these thresholds to guarantee fair competition among similar-sized businesses.
Contractors who misunderstand these standards risk missing contract opportunities and may face compliance issues if awarded contracts for which they don’t qualify.
The North American Industry Classification System is fundamental to accessing government financial assistance programs and determines eligibility based on industry-specific criteria.
Missing Opportunities to Appeal Incorrect NAICS Classifications

Contractors frequently overlook essential appeal opportunities when faced with incorrect NAICS code classifications in solicitations, potentially missing chances to compete for valuable contracts.
Many businesses fail to recognize that NAICS code designations can be challenged through a formal appeal process with specific appeal timelines.
Don’t forfeit your right to challenge inaccurate NAICS codes—formal appeal procedures exist for precisely this purpose.
The Office of Hearings and Appeals (OHA) accepts NAICS code appeals within
10 calendar days after solicitation issuance or amendment affecting the code. Filing procedures require submission directly to OHA, which reviews whether the assigned code accurately reflects the procurement’s principal purpose.
Any business adversely affected by a NAICS designation can file an appeal, but many miss this window due to unfamiliarity with the process.
Successful appeals can change the applicable size standard, potentially expanding competition eligibility for small businesses. Appeals that reach merit consideration have a 45% success rate, demonstrating the value of pursuing this option when appropriate. Companies should monitor solicitations carefully and be prepared to act quickly when NAICS classifications appear misaligned with the work description.
Understanding your company’s core business activities and aligning them with appropriate classifications is essential for effective SAM registration and successful government contract pursuit.
Improper NAICS code selection may allow larger businesses to compete unfairly against genuine small businesses, underscoring the importance of vigilance in evaluating solicitation classifications.
Frequently Asked Questions
How Do NAICS Codes Affect Joint Venture Eligibility?
NAICS codes directly impact joint venture eligibility by establishing size standards for participating businesses.
Joint venture requirements stipulate that all partners must qualify as small businesses under the NAICS code assigned to the contract they’re pursuing. Eligibility criteria are determined when each partner’s size is measured against these standards.
Companies exceeding the size threshold for the specific NAICS code cannot form qualifying small business joint ventures, potentially limiting access to set-aside contracts and small business programs.
Can Using Incorrect NAICS Codes Result in Legal Penalties?
Yes, using incorrect NAICS codes can result in significant legal penalties.
Businesses face legal repercussions under the False Claims Act, including treble damages and civil penalties for material misrepresentations. Incorrect classifications on SAM.gov that conflict with actual business operations or tax filings create verifiable inconsistencies that strengthen FCA cases.
Additionally, the SBA can reject self-selected codes during audits, potentially leading to disqualification from contract opportunities and, in severe cases, debarment from federal contracting.
What Documentation Proves Qualification for Specific NAICS Codes?
Businesses can prove qualification for specific NAICS codes through several types of documentation.
Business registration documents, tax filings, and industrial certifications directly support NAICS documentation requirements. Companies should maintain operational reports, client contracts, and service agreements that clearly demonstrate qualifying business activities.
Industry-specific documentation like manufacturing schedules, product catalogs, and patents further validates NAICS code selections. Organizations should conduct regular audits to guarantee their documentation remains aligned with their registered codes.
How Often Do NAICS Codes Change at the Federal Level?
NAICS code updates occur every five years at the federal level, following established federal guidelines for economic classification.
The U.S. Office of Management and Budget coordinates these regular revisions, which were last implemented in 2022.
These updates guarantee economic statistics remain accurate and reflect structural changes in the North American economy.
Approximately 10% of employment classifications shift during each revision cycle, affecting businesses across various sectors including manufacturing, retail, and technology industries.
Do International Businesses Need Different NAICS Considerations for SAM Registration?
International businesses face the same NAICS compliance requirements as domestic companies when registering with SAM.gov.
They must select appropriate NAICS codes that accurately reflect their primary business activities, regardless of their country of origin. The key consideration is ensuring consistency across all registration documents, including NCAGE Code applications.
For international trade purposes, companies should verify that their selected NAICS codes align with their actual products or services to maximize visibility in government contracting opportunities.