Assume an independent consultant seeking subcontract work with other firms.Question is as to approach.Send letter and services information via snail mail, and then telephoneSend email with services information in pdf format, and then telephone.or in reverseA telephone call first, which probably won't be answered, and then what?Don't know any of contacts, nor referred to by anyone.I somewhat favor the email because the letter and information is easily circulated anywhere one can send email. It is faster and cheaper, but don't want to appear to be sending SPAM (the letters would be tailored to each recipient firm)