For slavic languages (Polish, Lithuanian, Russian) - it's best to get someone from that country to translate - there are a lot of "cultural" nuances that you just have to know.
Eh.. blowing my own trumped a bit here: I could help you with the Russian translation (i'll put you in touch with someone fluent, and who's done translations for a few irish companies looking to hire eastern europeans) Rates are *Very* competitive. It's my mother btw
What's the website url? (PM me the link please if you don't want to advertise it..) - How big is the website? (approx. word count ?)
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I asked, and she's up for it as long as it's all legal and stuff (well.. everything is still at her discretion).
English -> Russian & Ukrainian can be arranged.
I'd really like to see the site though.