#16 1841 · Mercantile Agency (later Dun & Bradstreet) · Credit reporting
Lewis Tappan sold ledgers of who could be trusted, a century before databases
the problem
Lending to merchants you had never met
background
Lewis Tappan had been burned in the Panic of 1837, a depression triggered by merchants extending credit on nothing firmer than a handshake and a neighbour's word. American commerce ran on exactly that: a wholesaler in New York deciding whether to ship goods on credit to a merchant in Ohio he had never met, based on whatever a mutual acquaintance happened to say.
In 1841 Tappan replaced word-of-mouth with a network of paid correspondents — attorneys, ministers, fellow abolitionists — who submitted written reports on local merchants' character and finances twice a year, distilled into leather-bound ledgers subscribers could consult in his New York office. His antislavery reputation cost him: it made him unwelcome with potential correspondents across the South, confining the network mostly to Free States.
what everyone would do
The standard way to judge whether a distant, unknown merchant deserved credit was informal word-of-mouth — ask around, rely on a mutual acquaintance's opinion, trust a personal introduction. That was the entire system American commerce ran on, and it was exactly the fragile mechanism that had just helped trigger the Panic of 1837 when enough informal vouches turned out to be wrong at once.
what they saw
Tappan saw that the problem wasn't a lack of information about merchants' creditworthiness, it was that the information that already existed lived only locally and informally, known to whoever happened to live near a given merchant, with no way to collect or distribute it to the distant lenders who actually needed it. Paying correspondents to formally gather that same local knowledge and centralizing it into a subscribable ledger turned a one-off personal favor into a repeatable, purchasable product.
the move
Lewis Tappan sold subscriptions to a ledger of merchants' creditworthiness gathered from correspondents across the US.
why it works
Paid local correspondents already embedded in a community — attorneys, ministers, people with real visibility into merchants' reputations and finances — submitted written reports on a predictable twice-yearly cycle, so the information stayed current rather than frozen at the moment of a single overheard conversation. Centralizing those reports into one ledger any subscriber could consult meant a wholesaler in New York no longer needed a personal acquaintance in common with a merchant in Ohio to judge whether to extend credit — the local knowledge that used to require a direct connection to access became available to anyone willing to pay for it. Subscription revenue then funded expanding the correspondent network further, compounding coverage and making the service more valuable the larger it grew.
the payoff
Turned trust into an institution a century before databases; the ancestor of every credit bureau.
where it breaks
The system depends entirely on correspondents' honesty and freedom from bias, and the case's own legacy documents exactly this failure: early reports were openly subjective and prejudiced by reporters' views on race, religion and class, meaning the ledger could misjudge creditworthy merchants who didn't fit a correspondent's prejudices just as easily as it could vouch for less creditworthy ones who did. It's also vulnerable to the operator's own reputation limiting the network's reach — Tappan's abolitionist views made him unwelcome with potential correspondents across the South, confining his coverage mostly to Free States regardless of demand elsewhere. And a subjective, opinion-based ledger has a real ceiling on reliability compared to what eventually replaced it: standardized, then computerized, credit scoring emerged specifically because reporter judgment alone couldn't be trusted to scale fairly.
what came after
The agency had 280 subscribing clients by 1844 and branch offices in Boston, Philadelphia and Baltimore; renamed R.G. Dun and Company in 1864, it developed an alphanumeric rating system used into the twentieth century, and merged with rival Bradstreet during the Great Depression to form Dun & Bradstreet. The early reports were openly subjective and often prejudiced by reporters' views on race, religion and class — a flaw that eventually pushed the industry toward standardized, then computerized, credit scoring, culminating in FICO becoming the norm by the 1980s.
references
- [1]Your Credit Score's Long History, From Espionage to AlgorithmsTIME, 2015time.com
- [2]The Mercantile Agency: A Curious Relationship of Credit Reporting and AbolitionismAmistad Research Center, 2021amistadresearchcenter.org