The Register of British Slave Traders is a comprehensive database identifying individuals who invested in and profited from the British slave trade. Compiled over three years by historians, it profiles thousands of people who financed the trafficking of approximately 3 million enslaved Africans from the 16th to 19th centuries. This register sheds light on a dark chapter of history, revealing the widespread involvement of British society in the slave trade.
What is the Register of British Slave Traders?
The Register of British Slave Traders is the product of extensive research into all known investors in Britain's near 250 years of trafficking enslaved African people. It defines slave traders as individuals who invested in directly financing a ship's transportation of enslaved Africans in expectation of a profit share. The project builds on decades of research documenting European countries' trafficking of an estimated 12 million enslaved Africans.
Its starting point was the Slave Voyages database, a collaboration between universities launched in 2008, which documents enslaving ships, the number of people trafficked, and the owners and investors involved. The register expands on this by providing detailed profiles and biographical details of thousands of individuals.
Who Does the Register Identify?
The register identifies a wide range of individuals from across British society who invested in the slave trade. The earliest slave traders were privateers and piratical ship captains such as John Hawkins, whose voyages in the 1560s were backed by Queen Elizabeth I, her chief minister William Cecil, leading courtier Robert Dudley, and Sir Thomas Lodge, the lord mayor of London.
Over time, the register documents investment from people of all backgrounds, including the monarchy, aristocracy, merchants, and even ordinary citizens. It reveals how deeply embedded the slave trade was in Britain's economy and society.

Key Findings from the Register
- Widespread involvement: Investors ranged from royalty to local merchants.
- Economic impact: The slave trade generated significant profits that fueled Britain's growth.
- Human cost: Approximately 3 million Africans were trafficked by British ships.
- Legacy: The register helps trace the origins of wealth and privilege tied to slavery.
Comparison of Slave Trade Databases
| Database | Launch Year | Focus | Key Features |
|---|---|---|---|
| Slave Voyages | 2008 | Transatlantic slave trade | Documents ships, trafficked people, owners, and investors |
| Register of British Slave Traders | 2024 | British investors | Profiles of thousands of individuals, biographical details |
Why the Register Matters Today
The Register of British Slave Traders is crucial for understanding the full extent of Britain's role in the slave trade. It provides a tool for researchers, educators, and the public to trace the flow of capital and identify those who benefited. By naming names, it challenges historical amnesia and encourages a reckoning with the past.
Moreover, the register highlights the interconnectedness of the slave trade with other industries and institutions, from banking to insurance. It underscores the need for contemporary discussions about reparative justice and historical accountability.
FAQ
What is the Register of British Slave Traders?
The Register of British Slave Traders is a database identifying individuals who invested in the British slave trade, compiled by historians over three years.
Who does the register identify?
It identifies thousands of investors, including royalty, aristocrats, merchants, and others who financed slave ships.
How many enslaved Africans were trafficked by British ships?
Approximately 3 million African men, women, and children were trafficked across the Atlantic by British ships.
What is the Slave Voyages database?
Slave Voyages is a collaborative database launched in 2008 that documents enslaving ships, trafficked people, and investors.
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