Explainer video for Youtube marketing

We are looking for explainer video for internal marketing Phase 1 : It should have below content: 1. About our company 2. Clients and partners 3. Service offerings. 4. Why someone should choose us 5. Achievements It should have animation and features which are easy to modify so we could manage at our end if we want to add client or more partner logos. This video should be not more than 2-3 mins. Phase 2: I also need each of the service offering elaborated which would be 4-5 additional videos 1 min each For now I am only looking for quote for phase 1 In your reply please share below details 1. Example of similar video created in the past 2. What tool do you use? 3. Would you be able to give me a handover to help understand how it was done so I can manage any changes on my own?