Lead aggregator

A lead aggregator is the company in the middle of a lead sale. It takes in leads collected by other companies' websites, sorts and packages them, and sells them on to lenders or to another aggregator. It is a party, not a piece of plumbing, and it is usually the party a lender contracts with while the borrower has never heard its name.

Where the aggregator sits between the form and the lender

Federal Trade Commission staff describe aggregators as intermediaries that take in leads collected by multiple website publishers and prepare them for sale to their clients, merchants or other aggregators. The publisher is the consumer-facing side: the website, the marketing claim and the form. The aggregator holds contracts with its buyers setting out which leads each one will take, and packages what arrives to fit them.

An aggregator can sell to the lender that will make the call, or to a further aggregator, which the same report describes as adding more layers. Which buyer ends up with a particular lead is a separate question, decided by the auction covered under ping post. Where the lead entered the chain in the first place is covered in where mortgage leads come from.

Who the borrower thinks they contacted

Nothing on the publisher's page has to name the aggregator, so the borrower can end up fielding a call from a company nobody mentioned. FTC staff put it plainly: consumers who fill out web forms may not realise the forms are operated by lead generators, and may assume they are submitting information directly to a merchant. Unless an aggregator runs consumer-facing sites of its own, the report says, its role may be largely invisible.

That is the gap a loan officer hears on the first dial, and it is why a lead says they never filled out a form more often than the record suggests. The cost of the arrangement to the person on the other end is set out in what shared leads do to a borrower.

Whether your vendor generated the lead or bought it

The distinction decides how much of the story a vendor can tell you. A company that generated the lead ran the site and wrote the claim the borrower read. A company that bought it is repeating what its own source told it, and that source may itself have been an aggregator, which is where the added layers stop being an abstraction and start being the reason nobody can answer a question about the form.

FTC staff direct the buying side to review the claims made to consumers and whatever is available about which publishers or lead generators have engaged in deception, and to track complaints back to the source of the leads. The report goes further than housekeeping on this point: companies who choose to ignore warning signs and look the other way, it says, may be at risk of violating the law themselves. Which agency would be asking is covered in who regulates mortgage lead generation, and the question of which company has to be named to the consumer belongs to seller and telemarketer.

No federal rule defines the party

Lead aggregator is trade vocabulary rather than a defined legal term. A full-text search of the Code of Federal Regulations on 20 September 2026 returns the phrase nowhere at all, and returns lead generator exactly once, inside a business opportunity rule about what a seller may claim when promising to find customers for a purchaser. Nothing in that rule concerns lending.

What reaches an aggregator reaches it through conduct rather than through the label. FTC staff open the same report by stating that the agency has broad jurisdiction over lead generators whoever they generate for, and by citing its own actions against lead generators that lured consumers with promises of extremely low fixed rate mortgages or free refinancing and then sold their information to entities that did not offer those deals. Note also what an aggregator is not selling: a trigger lead and a prescreened offer start at a credit bureau, not at a website form, and neither reaches a lender by the route described here.

Two limits on all of the above. The FTC document is a staff perspective on one workshop spanning several industries rather than a mortgage rule or a survey, and its own definition of an aggregator is hedged in the text as generally speaking, so treat it as the clearest official description of the party rather than as a boundary anyone has drawn. And there is no figure here for how many mortgage leads reach a lender through an aggregator, what share of the market that is, or what an aggregator keeps on a sale. Those numbers circulate widely. We went looking for a primary source behind them on 20 September 2026 and found none, so this page prints none.

Source: FTC Bureau of Consumer Protection, "Follow the Lead" Workshop, Staff Perspective, September 2016, on the Commission's public workshop of 30 October 2015, read in full as the PDF on ftc.gov on 20 September 2026. It supports the aggregator as an intermediary taking in leads from multiple website publishers and preparing them for sale to clients who are merchants or other aggregators, the contracts specifying which leads a buyer will take, the sale onward to yet another aggregator adding more layers, the publisher as the consumer-facing marketer, the observation that consumers may not realise a form is operated by a lead generator, the aggregator's role being largely invisible unless it runs consumer-facing sites, the buyer-side guidance on reviewing claims and tracking complaints to their source, the warning that ignoring warning signs may put a company at risk itself, and the FTC's jurisdiction over lead generators and its mortgage cases. It does not count aggregators, does not price a lead, does not say what share of any market passes through one, and hedges its own definition as generally speaking. Its ping tree passage covers payday and short-term lending and is not used here. Source: eCFR full-text search API, queried on 20 September 2026 for the exact phrases lead aggregator and lead generator, returning zero sections and one section respectively, with the single hit read in place through the eCFR versioner API for title 16 at its issue date of 17 September 2026, where the phrase appears in the Business Opportunity Rule at 16 CFR 437.6(j) on misrepresenting the likelihood that a seller, locator or lead generator will find locations, outlets, accounts or customers for the purchaser. That is a franchise and business opportunity provision and it is cited here only as the one place the words occur, not as a rule about lead buying.