E-commerce Site Development for Sharma Biotech

I need a comprehensive e-commerce website for Sharma Biotech. The website should include the following sections: Home, About Us, Services, Shop, Help, and Contact Us.

Essential features:
- User Accounts: Allow customers to create and manage their accounts.
- Product Reviews: Enable customers to leave reviews on products.
- Payment Gateway Integration: Securely process transactions.

Ideal candidates will have:
- Proven experience in developing e-commerce websites.
- Strong knowledge of payment gateway integration.
- Ability to implement user account functionalities and product review sections.

Please provide examples of previous work and a clear timeline for project completion.