On site and Off site strategy for achieving top 3 google position for landing page

On site and Off site strategy for achieving top 3 google position for landing page for a specific landing page.

I will provide 5 established landing pages and the keywords we seek minimum top 3 position in google for. Review of the on-page SEO followed by off-page SEO activities to achieve goal.

I would like to propose a fixed fee for achieving each goal for eacg page, followed by monthly retainer to ensure pages stay in position for designated keywords. Scope to take on many other pages and other projects.