Connecting Payroll's Long Tail
Kurtis Lin, CEO of Pinwheel, on the rebundling of payroll into every app
The moat came from owning scarce payroll data before the market had real time pipes. Equifax locked up large payroll providers like ADP and Paychex with exclusive deals, bought periodic data files, and resold that information to lenders and banks. Because the biggest payroll systems covered most salaried workers, anyone else trying to verify income was shut out from the most valuable supply for the length of those contracts.
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This was a file business, not a live connection business. Payroll systems sent batch files, Equifax loaded them into a database, and customers bought reports from that warehouse. That worked as long as exclusivity blocked rivals from getting equivalent feeds from the same payroll vendors.
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The weakness was coverage and freshness. The top payroll systems covered only about 55% to 60% of the market, and the rest was scattered across thousands of providers. Finch described payroll as far more fragmented than banking, with roughly 6,000 systems in the U.S. and the top 10 covering about 55% of the market.
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That fragmentation is what opened the door for Pinwheel, Argyle, Atomic, and similar APIs. Instead of waiting for a few exclusive wholesale deals, they connect many payroll systems directly and let a consumer permission access inside an app, which turns payroll data from a closed reseller market into app infrastructure for underwriting and direct deposit switching.
The next phase is a shift from exclusivity at the data source to scale at the connection layer. The winners will not be the companies with the best old contracts, but the ones that can connect the long tail of payroll systems, standardize messy data, and make payroll usable inside every bank, lender, and fintech workflow in real time.