A financial panic became a barrier to incorporation

In 1720, Britain’s South Sea Bubble drew investors into a frenzy of buying shares in the South Sea Company and other ventures. When prices collapsed, the ensuing panic gave Parliament a reason to curb speculative companies. The resulting Bubble Act made it harder for people to create joint-stock businesses without official approval.

A joint-stock company pooled money from many investors, who held transferable shares. The form could fund enterprises too large for one owner, but it also made it easier to sell claims on ventures whose prospects were uncertain. Under the act, groups could not simply operate as a corporate body or issue transferable stock without authorization, such as a royal charter or an act of Parliament.

Protection for established companies, at a cost

The South Sea Company already had a royal charter and privileged trading rights. Requiring rivals to obtain formal approval raised the cost and uncertainty of organizing a competing company, helping shield established chartered firms. The law was also presented as a restraint on speculative schemes, so its restrictive effect was bound up with a genuine response to financial disorder.

But the same barrier applied to businesses that might have used pooled investment for productive purposes. Organizers could struggle to raise capital on a broad scale without the legal standing and share structure that incorporation offered. A rule aimed at curbing reckless speculation also narrowed the route to building new companies. Its constraints on English corporate development endured for more than a century, leaving entrepreneurs with fewer options for financing ventures beyond the reach of individual owners.