Only with Forex SEO experiance (!)
1) Raise 1 page of our Spanish version - [OBSCURED] to TOP-5 at Google Spain by a list of keywords.
2) Optimization of all pages - Put keywords inside texts and headlines. - Write correct meta headlines, descriptions, keywords and URLs for each page.
Also: If you have copywriter or English-Spanish translator in your team - that would make the process of texts writing and optimization -much easier.
Requirements: 1) Successfull FOREX SEO experience (!) 2) English and Spanish languages speaker