I have 2 phrases that need to be at the top of a google search here in the USA. "EKG Machines" and "ECG Electrodes." The "ecg electrodes" keyword should be very easy to rank as I have made it page 1 #2 in the past but dont have the time right now. "EKG Machines" is going to be more difficult. There may be plenty of future work should this freelancer do a great job. All the techniques must me google safe and not get the website penalized.Blasting blog 100000 blog comments will not suffice. This must be legitimate work. I will expect a report showing the work done every week or two.
Be clear as to what you will be doing and for how much money. Reputation and final cost are main factors.