English teacher preparation for types of exams and levels in English

I am writing to you as a TEFL , ESL, Business English teacher, certified, and educated and graduated from UK university of Glasgow. I have 15 years of experience in the field of teaching and Examination.  I prepare students for IELTS or TOFEL, ENGLISH GMAT, for entering university. Moreover, I will be happy to teach at companies Business English, which covers correspondences in English, communication, holding seminar skills, general or specialized English and international affairs pertaining the respective activities of the company,  in English