Multi-Platform Email Signature Solution

I'm looking for a development of comprehensive email signature solution that works across Microsoft 365, Google Apps, and Zoho Mail. The signatures should be centrally managed for all users.

Requirements:
- Include the following elements:
- Logo
- Social media links
- Contact information
- Text fields
- Legal disclaimers
- Clickable links
- Banners / Images

Ideal Skills and Experience:
- Experience with email signature management tools
- Familiarity with Microsoft 365, Google Apps, and Zoho Mail
- Ability to create professional and visually appealing email signatures
- Strong organizational skills for centralized management

Management Features

Centralized Admin Panel (apply/update for all users).

User Sync with Google Directory / Azure AD (auto-pull user details).

Departmental Signatures (e.g., Sales has promo banner, HR has recruitment link).

Conditional Rules

Internal vs external mails.

Replies vs new emails.

Multi-Domain / Multi-Brand Support (for groups of companies).