Comprehensive Modern Logo & Brand Reboot

I'm in need of a full rebranding, with a strong focus on designing a modern, minimalist logo.

Key Requirements:
- Design a modern and minimalist logo
- Create a logo that incorporates text only, icon and text, and icon only
- Develop a cohesive visual identity across an email signature, business cards, etc

Ideal Skills:
- Strong graphic design and branding experience
- Proficiency in designing minimalist and modern aesthetics
- Excellent understanding of logo design and brand consistency

Please note, the primary focus is on the logo, but I also require assistance in developing other brand materials.

Attaching previous versions of logo