Fluent Spanish Word press designer who speaks english

General information for the website: Small Changes for the site to be corrected.
Kind of development: Customization of existing website
Num. of web pages/modules: 2
Description of every page/module: Translate to spanish
Description of requirements/features: Translate to spanish
Extra notes: http://gsmrepetidor.es

I need this site made to read native tongue and to give it a new easy fresh professional design like this site www.mobilephonesignalbooster.net

This is the errors to the site that need fixing below.

Please can you give me a quote and a timeframe to fix these issues the site is wordpress.

barclays says nothing to spain people and they won't trust it- This needs to all be in Spanish language
ad to cart does not work
checkout page must be all in spanish
price comparison with top competitors
https://www.repetidor-gsm.es/?gclid=CKX7-Inl3McCFZUYGwodsMoJxA
http://www.repetidores-gsm.com/repetidores-gsm-3g.html?gclid=CPjd5Yrl3McCFcThcgodLe8NKw
http://www.milanuncios.com/anuncios/amplificador-se%F1al-movil.htm
http://www.stelladoradus.es/
http://www.lightinthebox.com/es/amplificador-de-senal-de-telefono-movil_p220672.html
uk number
proceed to check is in english