Another point might also be very important: try to get some references from your customers (don't know how they are called in english; sorry); because if the new customer sees that you have successfully done something special for the big company xzy, you could be able to do something similar for his company.

Best regards,
perl -le "s==*F=e=>y~\*martinF~stronat~=>s~[^\w]~~g=>chop,print"