Sleek Marketing Video with Animations

I'm looking for a modern product video aimed at marketing. The video should use mobile app mockups, logos, and graphics with modern animations and transition effects. Video should be high fidelity as it will be played in an event in a large screen

The video should have a sleek and minimalistic style, and it needs to highlight the following elements:
- App Features
- User Interface
- Branding and Logo

Ideal skills and experience:
- Proficiency in animation and video editing
- Experience with mobile app mockups
- Strong design sense for a minimalistic aesthetic
- Ability to integrate branding elements seamlessly

Please provide samples of similar work.