Looking for a qualified native english teacher online? No need to go anywhere else. ESO teachers are all native speaking teachers with many years experience and they are fully qualified with either CELTA, TEFL or state school qualifications. Whether you are looking for a British native teacher or an American native teacher, ESO have the very best qualified teachers. All our teachers have many years experience and can teach English at all levels and any category of English, like: grammar, conversation and speaking, listening skills, writing, reading, exam preparation, better pronunciation or just general English.