The IELTS (International English Language Testing System) exam is jointly owned and organized by:

1. _British Council_: A UK-based organization specializing in international cultural and educational opportunities.

2. _IDP Education_: An Australian-based company providing international education services.

3. _Cambridge Assessment English_: A part of the University of Cambridge, responsible for English language assessments.

These three organizations work together to:

• Develop and administer the IELTS test

• Set test dates and locations

• Score and report test results

• Provide test preparation materials and resources

IELTS is widely accepted by universities, colleges, and governments in the UK, Australia, Canada, New Zealand, and other English-speaking countries as proof of English proficiency for international students and immigrants.