Valid health certificate;
Valid Bank account.
Только для российских контрагентов (дополнительная информация):
Relocating to Lithuania (Bluecard):
A residence and work permit for highly-skilled non EU citizens;
Blue Card currently can be issued for Russian citizens that already have Schengen visa and are able to come to Lithuania to submit biometric data (or is already in Lithuania);
Employment of foreigners (not EU).