Technical SEO Ranking Boost

I’ve just launched www.2x3d.co.uk and I want it climbing the Google results as quickly and cleanly as possible. My priority is improved search-engine ranking, not a scatter-gun push for every metric, so the work must centre on solid Technical SEO... (Budget: £250 - £750 GBP, Jobs: Content Strategy, Internet Marketing, Link Building, PHP, SEO, SEO Auditing, Website Management, Website Optimization)