Comprehensive Security Audit for Corporate Site

I need a security audit for my corporate site, https://esaproperties.com/. The primary goal is to improve overall security.

Key focus areas:
- Login/authentication
- Data storage
- User activities

Ideal skills and experience:
- Proven track record in web security audits
- Expertise in identifying and mitigating vulnerabilities
- Experience with corporate/business websites
- Strong knowledge of security protocols and compliance standards

Please ensure a detailed report with actionable recommendations.