If your are looking for a single deployment for a single customer. You can trywhich works with all standard MQTT Clients and at the same time can be customised to store data to any back end Big data engine or application. It has awhich is a open source to customize. It can be hosted on

Which are the best & economical MQTT brokers available in market?

Which are the free MQTT brokers that are available?

Which is the best MQTT broker for your IoT implementation?

Which mqtt message broker has the fastest throughput?

Which are the best & economical MQTT brokers available in market?

Which are the free MQTT brokers that are available?

Which is the best MQTT broker for your IoT implementation?

Which mqtt message broker has the fastest throughput?

Which MQTT broker is best for a mobile app backend looking to implement IM?

What does the AWS IoT platform use for its own MQTT broker implementation?

How do I connect multiple broker in mosquitto MQTT iOS?

Which is the best protocol to use for IOT implementation- MQTT, CoAP, XMPP, SOAP, UPnP?

What are the pros and cons of Mosca versus Mosquitto as MQTT broker?

Which are the best & economical MQTT brokers available in market?

Which are the free MQTT brokers that are available?

Which is the best MQTT broker for your IoT implementation?

Which mqtt message broker has the fastest throughput?