creation of our website, an erp (Enterprise Resource Planning), and our app

We are a company that deals with the sale of services, we are interested in finding a programmer or an agency that is an expert in creating a website, customized ERP management and apps to resell the service to other companies with our brand. so that our customers pay monthly or annually for the service we offer.

let's describe what we want from our erp:
-we want our erp to be created in the cloud and uploaded to our server so that customers can access it in the cloud
Keep your data saved out of the system
Auto Backup & Restore
Rollback config feature
API for integration-ready
Import databese from outside to saas
Multi-domain supported
Install Pip3 lib
SSL Ready Free
Limit client RAM/CPU
Sub or custom domain for a client
Facebook Group lifetime support
creations of embeddable modules and erp always editable and scalable
must have modules that can interact with ebay, amazon, zalando, etc with the major market places via api

it must have the following modules divided into sub-categories, it must be intuitive and also accessible from a smartphone:
FINANCES
Accounting
Billing
Expense reports
Spreadsheet (BI)
Papers
Signature
SALES
CRM
Sales
Point of sale
Subscriptions
Rental
Amazon connector
WEB SITES
Website builder
ecommerce
Blogs
Forums
Live chat
E-learning
INVENTORY & MRP
Inventory
Production
PLM (Product Lifecycle Management)
Shopping
Maintenance
Quality
HUMAN RESOURCES
Employees
Hiring
Leave
Ratings
Recommendations
Fleet
MARKETING
Social marketing
Email Marketing
SMS Marketing
Events
Marketing automation
Surveys
SERVICES
Project
Attendance cards
Field assistance
Customer service
Planning
Appointments
PRODUCTIVITY
Discuss
Approvals
IoT
VoIP
KnowledgeNew!