Comprehensive SEO Services Needed

I'm in search of a seasoned SEO expert or agency that can provide a full suite of SEO services, not just backlinks.

Key Requirements:
- Exhaustive audits of our current SEO standing.
- In-depth keyword research to identify optimal targeting opportunities.
- Implementation and management of strategies across Technical SEO, On-page SEO, and Off-page SEO.

Primary Goal:
The main aim of these SEO efforts is to enhance our search engine rankings.

Target Search Engines:
Our focus is primarily on Google and Bing.