[2][3] In 1822, brothers Joseph and Edward Tetley sold salt from a pack horse in Huddersfield, Yorkshire, England.

[5] In 1952, in an early example of cross promotion, Petula Clark's single "Anytime Is Tea Time Now" was used to advertise Tetley on Radio Luxembourg.

In April 2014, Columbia Law School and The Guardian reported that some of Tetley's tea is harvested by workers who do not receive the minimum wage in India.

[12][13] In a statement placed on its website, Tetley's parent company, Tata Consumer Products, announced it had "appointed legal advisors to verify compliances by independent review.

[16] Tetley's manufacturing and distribution business operates in forty countries, selling over sixty branded tea bags.

By 1990, with a yearly production of 20 billion teabags, Tetley had gained the title of the second largest tea brand in the world after Lipton.