| Calificación | Emitido por … | Acreditado por … | Regulado por … |
|---|---|---|---|
| TESOL & TEFL Cert de Uni-Prep Institute | Uni-Prep Institute | ||
| TEFL Cert de TT Madrid | TT Madrid | IATQuO | |
| TEFL Cert de Internatonal TEFL & TESOL | International TEFL & TESOL | International TEFL Accreditation Council | |
| TEFL UK Cert | TEFL UK | Accreditat | |
| UK TEFL Cert | UK TEFL | TQUK | Ofqual |
| TEFL.org Level 5 Cert | TEFL.org.uk | TQUK | Ofqual |
| i-to-i Level 5 Cert | Teach English Abroad | ODLQC | Ofqual |
| Level 5 TEFL Cert (Curso de 168 horas) | The TEFL Academy | TQUK | Ofqual |
| Trinity CertTESOL | Trinity College London | Trinity College London | Ofqual |
| Cambridge CELTA | Cambridge Assessment English | Cambridge Assessment English | Ofqual |
