The modern corporation emerged with the great trading companies of the 1600s. The English East India Company (1600) and the Dutch East India Company (1602) were chartered by their governments to pursue overseas trade and colonization, and the Dutch company in particular is often cited as the first to issue tradable shares to the public, creating what became the Amsterdam stock exchange. These companies bundled together capital from many investors, gave the crown a mechanism to project state power without funding it directly, and — crucially — began experimenting with limiting investor liability to the amount they’d put in, rather than exposing their entire personal wealth.
For the next two centuries, incorporation stayed a special privilege. You needed a royal charter or an act of legislature to form one, which meant corporations were relatively rare and closely tied to specific public purposes — building a canal, running a bank, chartering a colony. That started to break down in the 1800s. Britain’s Joint Stock Companies Act (1844) and Limited Liability Act (1855), followed by similar U.S. state laws, replaced the charter-by-special-grant system with “general incorporation” — any group meeting basic requirements could file paperwork and form a corporation, no legislative act needed. This is the single biggest reason corporations became “a thing”: incorporation stopped being a scarce political favor and became a routine administrative process, available to ordinary businesses, not just state-sanctioned monopolies.
In the U.S., a few legal moments locked in the modern shape of the corporation. Dartmouth College v. Woodward (1819) established that a corporate charter was a contract the state couldn’t unilaterally rewrite, protecting corporations from arbitrary state interference. Later in the century, courts extended constitutional protections to corporations as legal persons, most famously associated with Santa Clara County v. Southern Pacific Railroad (1886). States like New Jersey and then Delaware began competing to offer the most business-friendly incorporation laws — light regulation, flexible governance, low fees — kicking off a “race to the top” (or “race to the bottom,” depending who you ask) that’s why so many American corporations are still incorporated in Delaware today regardless of where they operate.
The late 1800s and early 1900s then saw the corporation scale up dramatically alongside industrialization: railroads, steel, and oil trusts needed to raise huge amounts of capital and coordinate operations across vast distances, which the corporate form — with its permanent existence, transferable shares, limited liability, and centralized management — was uniquely suited to handle. That’s also when the separation of ownership (shareholders) from control (professional managers) became the norm, a shift famously analyzed by Berle and Means in their 1932 book The Modern Corporation and Private Property.
So the short version: the corporation started as a legal trick for letting groups act as one durable “person,” got weaponized by early modern states as a tool for trade and colonization, then got democratized in the 1800s when incorporation went from royal privilege to routine paperwork — and it was that democratization, combined with limited liability and industrial-scale capital needs, that turned it into the default vehicle for organizing business it is today.