SBA's Size Standard Overhaul: Simplification Win or Set-Aside Squeeze?

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The SBA just dropped a proposal that touches every GovCon firm chasing small business status, and the reactions are already splitting the community down the middle.

The Facts

The SBA wants to collapse its size standard system, moving from nearly 1,000 narrow categories tied to six-digit NAICS codes down to 338 broader, four-digit industry groupings, a 65% cut in classifications. The proposal also layers in regional market considerations (so thresholds could flex based on local competitive conditions, not just national benchmarks) and raises numerous thresholds outright so fast-growing small businesses don’t get bumped out of the program the moment they start winning. The SBA projects the employer-firm population could grow by roughly 1.8%, extending small business eligibility to over 110,000 additional companies on top of the existing 36 million small businesses nationwide. Administrator Kelly Loeffler is framing it as a move toward regulatory certainty that lets job-creating small businesses scale without losing status.

It’s now headed into public comment before anything is finalized.

THE CASE FOR IT

→ Nearly 1,000 categories were never really “simple.” Six-digit NAICS precision sounds rigorous, but in practice means firms straddling adjacent codes constantly fight ambiguous classification calls. Fewer, broader categories mean fewer gray areas.

→ The “growth penalty” is real. Plenty of firms have throttled their own expansion, or restructured awkwardly, specifically to avoid tripping a size threshold and losing set-aside eligibility. Raising thresholds for fast-growing firms, especially in critical infrastructure, keeps talent and capability inside the small business pipeline longer instead of pushing it out prematurely.

→ Regional market adjustment is overdue. A “small” business in a high-cost, high-competition metro market isn’t the same animal as a “small” business in a thinner regional market. National-only benchmarks have always flattened that difference.

THE CASE AGAINST IT

→ Broader four-digit groupings can cut both ways. Lumping more sub-industries into one size standard risks classifying firms as “small” that are actually the dominant player within their narrower niche, while genuinely small niche players now compete against them for the same set-asides.

→ 110,000 new entrants is a bigger deal for the existing small business pool than the topline 0.3% number suggests. That’s 110,000 more competitors bidding for the same set-aside contract volume. Simplification for the SBA’s rulebook could mean dilution for firms already in the pool.

→ Regional flexibility introduces exactly the kind of subjectivity the six-digit system was built to eliminate. More local variability in size determination likely means more sustained size protests and forum litigation, not fewer.

→ Is this actually “sweeping,” as billed, or incremental dressed up as historic? A 1.8% growth in employer firms is a modest shift relative to the messaging around it.

What do you think?

Is this the regulatory relief growing small businesses have needed for years, or a quiet expansion of the “small” label that thins out opportunity for the businesses the program was built to protect?

Drop your take below. Comment period is open, this is the moment to weigh in before it’s final.

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The 4-digit collapse is nice for reducing administrative ambiguity, but the real wild card here is the regional market adjustment. If size standards vary by region, expect a tidal wave of size protests. ‘Local market competitive conditions’ are subjective—law firms specializing in bid protests are about to have a field day.

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Good instinct, but I’d move the litigation risk to a different address.

Worth reading the companion Revised Methodology paper (91 FR 54096) alongside the rule itself. The “regional market consideration” isn’t a region-specific threshold that gets applied to your firm. It’s an input. SBA’s new three-factor formula uses national industry size, number of geographic markets, and a net imports adjustment, combined into an “average market size” measure, and that calculation still produces one national size standard per industry group. A firm in Northern Virginia and a firm in Ohio get the same number. There’s no regional determination for a protester to attack.

The protest wave is still coming, though. Just through three other doors:

  1. The transition itself. SBA estimates 37,002 firms holding roughly $71B in FY25 contract value become newly eligible. Incumbent smalls are going to test a lot of those. That’s the near-term spike.

  2. Affiliation. Completely untouched by this rule. Still totality-of-the-circumstances, still where most size cases are actually won and lost.

  3. The receipts-to-employees shift. This is the one nobody’s talking about, and for staffing and services firms it’s the big one. Receipts are auditable off a tax return. Headcount is a 24-month rolling average per pay period that sweeps in part-time, temporary, and affiliate employees. Ask any firm running a contingent workforce how clean that number is.

So I think we end up with fewer NAICS-code arguments and more employee-count arguments. Different fight, not a smaller one.