To get more clients, better Pagerank and backlinks, you maybe find this strategy good:
Business continually sees shifts and changes. At present the multilingual website is still in its early stages, with mostly large multinational companies using them to secure an international foothold. However, the trickle down effect will naturally occur and the multilingual website will become part and parcel of an internet presence. Whether people chose to invest now or later is the only choice they have.
Why Multilingual Websites….Top 10 reasons [multilingual-seo.com]