Important facts:
• There are no public examinations in UK; the hiring process is done directly through teacher agencies or at the schools or institutions themselves.
• The QTS will allow you to work both at public and private schools.
• In UK there is no distinction between Primary and Secondary teacher, you will be able to teach any subject at any level, as long as you count with the knowledge and experience required.
• If you do not have a specific education degree but you have a career, you should consider applying for one at authorized institutions. The one with most international prestige is Instituto Cervantes, where you can examine as a ELE teacher (profesor de Español como Lengua Extranjera)
• Some websites where you can start your job search as a Spanish teacher are profesoresdele.org, Portal de hispanismo, todoele.net and mevoyalmundo.org.