Service-Based Company Digital Platform Development

I am looking for an experienced developer or team to build a complete digital platform for my service-based company.

My company provides cleaning staff and helpers for homes and companies. I need a professional website and mobile application (Android and iOS) where customers can easily book staff services.

Key Requirements:

1. Website Development
- Modern and responsive website
- Service listing (cleaning staff, helpers, etc.)
- Customer registration and login
- Booking system for hiring staff
- Admin dashboard to manage bookings and staff

2. Mobile App Development
- Android and iOS apps
- Customer login/signup
- Easy service booking
- Booking status tracking
- Push notifications

3. Admin Panel
- Manage staff
- Manage customer bookings
- Payment tracking
- Reports and analytics

4. Additional Features
- OTP login
- Payment gateway integration
- Rating and review system

Please share:
- Your previous similar work
- Technology stack you will use
- Estimated timeline and cost

I am looking for a long-term developer for future updates as well.