I can provide you with professional English-Spanish translations. I’m a native Spaniard and fluent in English (C2). I have a long term experience working /writing, proofreading AND translating for some of the most prominent Spanish magazines, and right now I'm finishing the translation of another book, so I'm available again for this kind of tasks. Usually I don't charge by the hour but by word (0,5€/word). But we can discuss rates depending on the project's length and complexity.