Is buying tradelines illegal? The honest answer is more nuanced than yes or no. Here's what the FTC has actually said, the real enforcement cases behind it, and how to tell a legitimate credit-building product from a fraud risk.
The honest answer is more nuanced than a yes or no. In its own federal court filings against tradeline sellers, the FTC has stated plainly: "The FTC has never determined that credit piggybacking is legal." That's a deliberately narrow statement β the agency hasn't declared the underlying practice illegal either. It occupies a genuinely gray zone.
What the FTC has done is bring real, repeated enforcement actions against tradeline companies β not for the concept of an authorized-user tradeline itself, but for how these companies marketed and sold it: false claims about legality, fabricated score-increase guarantees, and illegal upfront fees under the Credit Repair Organizations Act (CROA) and Telemarketing Sales Rule.
Separately, Experian has warned that buying a tradeline to misrepresent your creditworthiness to a lender β particularly for a mortgage β can constitute bank fraud if you default afterward. That's a real legal risk distinct from whatever the FTC has or hasn't said about the tradeline transaction itself.
The FTC sued a Denver-based company for marketing "tradeline renting" services with guarantees like a "120-point jump in as little as two weeks." The complaint alleged violations of the FTC Act, CROA, and the Telemarketing Sales Rule for deceptive marketing and illegal advance fees. Following the case, Fair Isaac (FICO) reversed an earlier position and confirmed it would continue considering authorized-user tradelines in its scoring models, after consulting with the Federal Reserve Board and FTC.[1]
A Florida-based operation the FTC alleged brought in more than $15 million by selling bogus credit repair services, including tradeline-based credit piggybacking. The complaint alleged the defendants lied about whether their products were legal, filed thousands of false identity theft reports with the FTC on customers' behalf, and pitched a "business opportunity" that was really reselling the same unlawful services.[2]
Neither case turned on the tradeline concept being inherently illegal β both turned on deception, false guarantees, and illegal fee structures in how the services were sold.
Nearly all of the FTC case law and Federal Reserve research on tradeline piggybacking concerns personal consumer credit β being added as an authorized user on someone else's personal credit card. It's worth being precise about that: this isn't a body of law written with business tradelines specifically in mind.
That said, the underlying principle transfers directly. Paying to be added as an authorized user on an aged, high-limit business account you don't actually control β or buying a fabricated business tradeline outright β is the same category of manufactured-credit-history risk, and reputable lenders' agreements typically prohibit exactly this. There's no version of this that functions as a legitimate shortcut past building a real, reported tradeline organically.
This page is general legal and business education, not legal advice. See our Editorial Standards for how we research and source what we publish.
Sources: [1] FTC v. BoostMyScore, Complaint (2020) · [2] FTC, "FTC Acts to Shut Down 'The Credit Game'" (2022)
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