OPC UA and OCPP development

we are in development of an IoT gateway to read various protocols. This gateway will read data from the respective protocol, bundle it and will send it on either cloud or wifi.

Modbus, CAN we are in final stage of its development.
We are looking for someone experienced to support us in development of OCPP & OPC UA stack in ESP 32.
OCPP is the protocol standard for EVs.
OPC UA is the protocol wide spread in process industries.

Let me know your present capabilities and experience and whether OCPP can be supported.

Below is the scheme of our gateway idea.