Logo, letterhead and business card

I need a simple logo created, needs to be simple, max 3 colours, stylish but professional/corporate. I will need 3 different mockup designs, I will then choose one and have any modifications applied to it to get it finished (max 4 changes). After the logo has been finalized, will need a letterhead and buseinss card template created. Letterhead, will occupy max 60mm of the top of the page, containing the company logo, company name, address, tel. no. fax no. and email Business card needs to contain the same details as the letterhead and also the employee's name and position. Please see attached file for idea of the type of logo i'm looking for. I need everything to be done in Illustrator format or any other vector based graphic file.