British colonization of the Americas (including colonization by both the Kingdom of England and the Kingdom of Scotland before the Acts of Union which created the Kingdom of Great Britain in 1707) began in 1607 in Jamestown, Virginia and reached its peak when colonies had been established throughout the Americas.
The English, and later the British, were among the most important colonizers of the Americas, and their American empire came to rival the Spanish American colonies in military and economic might.
This English, Scottish, Welsh and Irish colonization caused dramatic upheaval among the indigenous civilizations in the Americas, both directly through the use of imported military force and indirectly through cultural disruption and introduced diseases.
Relations between the colonists and natives varied from constructive trade to armed conflict. Many of the indigenous societies had developed a warrior class and had a long history of warfare. The rapidity, silence, and ferocity of their war parties proved devastating against the colonial style of waging war, but the colonials generally emerged successful in the long term.
Like the French, trade with the natives was an important part of English and British colonial policy, but they also heavily promoted settlement and development.