Comprehensive SEO for Custom Site

My custom-built website needs a full technical, on-page, and off-page SEO overhaul with one clear objective: push our pages higher in Google search results. I do not yet have a refined keyword list, so the first milestone will be thorough keyword research shaped by competitor and intent analysis... (Budget: ₹600 - ₹1500 INR, Jobs: Analytics, Competitor Analysis, Internet Marketing, Keyword Research, Link Building, Marketing, SEO, Website Audit)