Comprehensive SEO for Digital Firm

I run a digital-service company and need our website to climb noticeably higher in Google, Bing, and Yahoo search results. My main objective is simple: stronger rankings that translate into greater visibility for each of our core service pages... (Budget: ₹1500 - ₹12500 INR, Jobs: Content Strategy, Google Analytics, Internet Marketing, Keyword Research, Link Building, Search Engine Marketing, SEO, Website Optimization)