I can do both onpage and offpage optimization as follows

Onpage

Keyword Research and Optimization

Content Audit

Meta Title

Meta Desription

Header Tag

Image Alt Tag Creation

Image Alt Tag Optimization

Robots.txt File Optimization

301 Errors Monitoring and Optimization

302 Errors Monitoring and Optimization

4XX Errors Monitoring and Optimization

5XX Errors Monitoring and Optimization

URL Optimization (Dynamic/Too Long/Not User Friendly)

Setup Custom 404 Page

XML Sitemap Setup

XML Sitemap Submission

HTML Sitemap

Broken Links Optimization

External Link Optimization

Broken Images Optimization

Localization/Language Optimization

SSL Certificate

Canonical Issue

www and non www versions optimization

Long Redirect Chain Issue

Fix Search Engine Restricted Resourses on the website

HTTP/HTTPS site versions optimization

Mixed Content optimization

Mobile Responsiveness

Off Page SEO

Blog Post Writing

Blog Posting on Website

Social Bookmarking

Maps & Local Business Listings

Directory Submissions

PDF Document Creation

Document Sharing

Image Submission

Article Writing

Article Submissions

Blog Commenting

Video Creation

Video Promotion

Infographic Designing

Infographic Promotion

PPT Designing

PPT Promotion

Guest Posting

Forum Posting