Is BizBuySell Legit? What the Platform Does (and Doesn't) Vet For You

Yes, BizBuySell is a legitimate business-for-sale marketplace owned by CoStar Group. It is not a scam. It's the largest platform of its kind, has been operating since 1996, and plenty of real deals get done through it every year. However, BizBuySell does not independently verify the financial claims, revenue figures, or seller representations contained in the listings themselves.

That distinction — a legitimate platform hosting unverified listings — is the whole story. Here's what it actually means for you as a buyer.

Are BizBuySell Listings Verified?

No. BizBuySell does not independently validate the information provided in listings before publication. It does not audit financial statements, confirm revenue figures against the seller’s books, or verify seller representations before a listing goes live. A listing can say "$1.2M SDE, growing 20% year over year" and nothing in BizBuySell's process checks whether that's true before it publishes.

This isn't unique to BizBuySell — no major listing marketplace verifies seller claims at the individual-listing level, for the same reason Zillow doesn't confirm that a house's listed square footage is accurate. Connecting buyers and sellers is the business; confirming what either party says is true is left to the people actually doing the deal.

Not All Listings Are Created Equal

Because there's no vetting layer, listing quality on BizBuySell tracks almost entirely to who's behind the listing. Three categories show up constantly, and they carry meaningfully different risk:

  • Professional M&A or business brokers. Established firms with a track record, standardized financial packages, and a reputation to protect. Not immune to bad information, but far more likely to have done basic diligence before listing.
  • Main Street business brokers. Local brokers who often handle a wide range of deal sizes and industries. Quality varies broker to broker — some run tight, well-documented processes; others post what the seller hands them with minimal review.
  • Owner-listed businesses. No broker at all. The seller wrote the ad, chose the numbers to highlight, and has the most direct incentive to present the business favorably. This category has the widest range of outcomes, from perfectly honest to badly misleading.
  • All three sit side by side in search results with no flag distinguishing one from another. Knowing which category you're looking at before you get attached to a listing changes how much scrutiny it needs. Many listings intentionally omit identifying details to protect confidentiality, which means buyers often have to sign an NDA before seeing complete financial information.

    Can You Trust BizBuySell? Is It Safe to Use?

    The platform itself is legitimate and operates as advertised. Your account, messages, and listing interactions function as expected. The real question isn’t whether BizBuySell is real—it’s whether any specific listing is accurate, and that responsibility falls on the buyer. Trust becomes a question the moment you shift from "is this website real" to "is what a specific listing tells me real" — and that second question is one BizBuySell explicitly leaves to you. Every listing agreement makes clear the information is provided by the seller or broker and isn't independently verified.

    Where Buyers Get Burned

    The failure pattern is consistent enough to name directly. A buyer finds a listing that looks strong on paper, gets excited, and moves toward an LOI without verifying anything beyond what the listing claims. Then, during due diligence — or worse, after closing — they discover the real SDE was 30% lower than advertised, or "growing customer base" meant three new customers replaced five that left, or the lease everyone assumed was transferable actually isn't.

    None of that is BizBuySell's fault in a legal sense. It just doesn't help the buyer who assumed a large, professional-looking marketplace meant someone had already checked.

    How to Verify a Listing Before You Trust It

    The fix isn't avoiding BizBuySell — it's verifying every listing the way you'd verify one from any unvetted source, because that's what it is.

    Verify revenue through primary documents, not summary sheets. Ask for tax returns, bank statements, and merchant processing reports whenever possible. SDE and EBITDA figures in listings are frequently add-back-heavy in ways that flatter the seller — recalculate from the actual numbers rather than trusting the broker's total.

    Confirm lease transferability directly with the landlord. Don't rely solely on the seller's representation that the lease transfers. A quick call to the landlord or property manager settles it before it becomes a late-stage surprise.

    Check the broker's standing, not just the listing. A search on the brokerage’s name, track record, and online reputation takes five minutes and tells you a lot about who you’re dealing with.

    Treat glowing language as a prompt to dig, not a reason to relax. "Owner will train," "turnkey operation," and "recession-proof" show up constantly and mean almost nothing on their own.

    Keep asking why it's for sale until the answer holds up. Retirement, relocation, and "pursuing other opportunities" are the three most common reasons given — and the three easiest to say when the real reason is that the business has started sliding.

    Don't assume exclusivity. A listing that's been live for eight months with no updates has usually been passed on by other buyers already, often for reasons that aren't obvious from the listing page.

    Are Business-for-Sale Listings Accurate in General?

    This is a marketplace-wide issue, not a BizBuySell-specific one. It's true of every platform where sellers and brokers post their own listings, which is most of them. We've written before about why serious buyers don't rely on any single listing site for exactly this reason — coverage and quality both vary by source, and no platform independently vets what gets posted. That's part of why many serious buyers monitor multiple listing sources rather than relying on a single marketplace: it doesn't replace diligence on any individual deal, but it gives you a wider comparison set to judge a listing against.

    The Bottom Line

    BizBuySell is legitimate — one of the largest and most established marketplaces for buying and selling small businesses, and a reasonable place to start your search. What it isn't is a verified, quality-controlled feed of accurate listings. Every number, every claim, and every "reason for sale" was written by the person trying to sell the business, and it's on you to confirm what's actually true before you act on it.

    That's not a reason to avoid the platform. It's a reason to treat every listing on it exactly the way an experienced buyer would: interesting until proven otherwise, and never taken at face value.


    Frequently Asked Questions

    Is BizBuySell a scam?

    No. BizBuySell is a legitimate business-for-sale marketplace owned by CoStar Group.

    Does BizBuySell verify listings?

    No. BizBuySell does not independently validate seller claims, financial statements, or revenue figures before publication.

    Can you trust BizBuySell listings?

    Some are highly accurate and professionally prepared, while others require significant verification. Buyers should independently confirm all material claims during due diligence.

    OppDesk helps buyers monitor listings across major marketplaces in one place, making it easier to compare a listing against everything else on the market before you dig deeper.