Lead-Generating Site for AS Consulting

I need a modern, clean website built from scratch for my client, AS Consulting, a self-employed IT support and social-media management agency. The single most important objective is lead generation, so every design and development decision should point visitors toward getting in touch... (Budget: $10 - $30 USD, Jobs: CMS, CSS, Graphic Design, HTML, Lead Generation, PHP, SEO, Web Design, Web Development, Website Design)