Legal Action Against Auto Financing Breach

I need an experienced attorney to help me sue an auto financing company for breach of contract. The company has applied unauthorized charges or fees that violate our agreement.

Key requirements:
- Expertise in contract law
- Experience in handling auto financing disputes
- Strong negotiation and litigation skills

Ideal skills and experience:
- Proven track record in similar cases
- Legal research and documentation proficiency
- Ability to represent me in court, if necessary

Please provide a detailed plan and timeline for the process.

Must be licensed or able to practice on Ontario, Canada.