We also offer Cambridge. http://www.cambridgeesol.org.

 

And  TOEFL, TOEIC, http://www.ets.org.

 

Please be aware that none of these exams have official recognition from the Spanish government but are accepted in the large majority of businesses and universities. Check with the organisation you will be working or studying with to find the best exam for you.

 

The schools and its director are members of the Professional College of Teachers, and organisation that exists to develop and support teachers worldwide. http://www.cot.ac.uk. Every student is entitled to a in-house certificate but this has no credits although it is useful to add to CVs.