Best MQTT Brokers in the UK
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What are MQTT Brokers in the UK?
MQTT brokers are message brokers that allow clients to communicate with each other in a publish/subscribe model. They are designed for machine-to-machine communication and can be used in many scenarios such as home automation, healthcare, and industrial control systems. MQTT brokers are typically lightweight and efficient, using minimal resources in order to facilitate real-time messaging. Compare and read user reviews of the best MQTT Brokers in the UK currently available using the table below. This list is updated regularly.
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1
HiveMQ
HiveMQ
HiveMQ is the Industrial AI Platform helping enterprises move from connected devices to intelligent operations. Built on the MQTT standard and a distributed edge-to-cloud architecture, HiveMQ connects and governs industrial data in real time, enabling organizations to act with intelligence. With proven reliability, scalability, and interoperability, HiveMQ provides the foundation industrial companies need to operationalize AI, powering the next generation of intelligent industry. Global leaders including Audi, BMW, Eli Lilly, Liberty Global, Mercedes-Benz, and Siemens trust HiveMQ to run their most mission-critical operations.Starting Price: $0.34/hour -
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MuleSoft Anypoint Platform
MuleSoft
Anypoint Platform by MuleSoft is a leading solution for API management, integration, and automation that accelerates IT project delivery. It enables businesses to build, deploy, secure, and manage APIs across any environment, from cloud to on-premises. With support for multiple protocols and integration with CI/CD pipelines, the platform streamlines application development and data transformation. It offers automated security and governance, ensuring compliance with industry standards such as ISO 27001, SOC 2, PCI DSS, and GDPR. Real-time monitoring and analytics help teams manage APIs and troubleshoot issues effectively. Anypoint Platform empowers enterprises to create resilient, scalable, and future-proof digital architectures. -
3
FrameworX
Tatsoft
Tatsoft's FrameworX is a complete SCADA and IIoT platform for edge-to-enterprise industrial applications. It unifies operations, data, and AI under one scalable, .NET-based architecture. FrameworX includes AI Designer, built on the Model Context Protocol (MCP). Through 18 specialized MCP tools, AI works directly inside the Designer IDE in real time, configuring tags, alarms, historian, devices, displays, and scripts in one session. Engineers report 2x to 10x faster configuration. Works natively with Claude, GitHub Copilot, Cursor, and any MCP-compatible model. The platform includes real-time data modeling, historian, alarms, reports, audit trails, scripting in C#, VB.NET, JavaScript, and Python, plus 100+ native drivers for PLCs, DCS, OPC, and MQTT. Deploy anywhere with zero client installs and full web, mobile, and desktop access. Every module included from day one. Proven in 5,000+ global deployments across mission-critical industries.Starting Price: $750 -
4
EMQX
EMQ Technologies
EMQX is the world's most scalable and reliable MQTT messaging platform designed by EMQ. It supports 100M concurrent IoT device connections per cluster while maintaining extremely high throughput and sub-millisecond latency. EMQX boasts more than 20,000 global users from over 50 countries, connecting more than 100M IoT devices worldwide, and is trusted by over 300 customers in mission-critical IoT scenarios, including well-known brands like HPE, VMware, Verifone, SAIC Volkswagen, and Ericsson. Our edge-to-cloud IoT connectivity solutions are flexible to meet the demands of various industries towards digital transformation, including connected vehicles, Industrial IoT, oil & gas, carrier, finance, smart energy, and smart cities.Starting Price: $0.18 per hour -
5
Open Automation Software
Open Automation Software
Liberate your Industry 4.0 data with Open Automation Software IIoT platform for Windows and Linux. OAS is truly an unlimited IoT Gateway for Windows, Linux, Raspberry Pi 4, Windows IoT Core, and Docker deployments. Create HMI visualization for web, WPF, and WinForm C# and VB .NET applications. Log data and alarms to SQL Server, Oracle, MS Access, MySQL, Azure SQL, PostgreSQL, Cassandra, MongoDB, MariaDB, SQLite, InfluxDB, and CSV files. MQTT Broker and Client interface along with cloud connectivity to Azure IoT and AWS IoT Gateway. Read and write data from remote Excel Workbooks. Alarm notification to email, SMS text, and voice messaging. .NET and REST API programmatic access. Allen Bradley ControlLogix, CompactLogix, GuardLogix, Micro800, MicroLogix, SLC 500, and PLC-5. Siemens S7-200, S7-300, S7-400, S7-1200, and S7-1500. Modbus TCP, Modbus RTU, and Modbus ASCII for Master and Slave communications. OPTO-22, MTConnect, and OPC UA, OPC DA.Starting Price: $495 one-time payment -
6
Coreflux
Coreflux
Coreflux: A next-gen IoT platform emphasizing seamless integration, scalability, and security. At its core: MQTT Broker: The platform's backbone, facilitating real-time data management and communication between diverse devices, irrespective of protocols or manufacturers. Flux DSL: A proprietary domain-specific language enabling users to craft event-driven workflows, orchestrating sophisticated IoT scenarios. Asset Management (Flux Assets): Manages a wide array of IoT assets, from sensors to databases, ensuring optimal configuration and performance. Orchestration: Coreflux's built-in tools ensure precise orchestration of devices and workflows, optimizing operations and automations. Designed for IoT enthusiasts, developers, and enterprises, Coreflux adapts to varied needs, from managing a few devices to networks in the thousands.Starting Price: €0 -
7
Redis
Redis Labs
Redis Labs: home of Redis. Redis Enterprise is the best version of Redis. Go beyond cache; try Redis Enterprise free in the cloud using NoSQL & data caching with the world’s fastest in-memory database. Run Redis at scale, enterprise grade resiliency, massive scalability, ease of management, and operational simplicity. DevOps love Redis in the Cloud. Developers can access enhanced data structures, a variety of modules, and rapid innovation with faster time to market. CIOs love the confidence of working with 99.999% uptime best in class security and expert support from the creators of Redis. Implement relational databases, active-active, geo-distribution, built in conflict distribution for simple and complex data types, & reads/writes in multiple geo regions to the same data set. Redis Enterprise offers flexible deployment options, cloud on-prem, & hybrid. Redis Labs: home of Redis. Redis JSON, Redis Java, Python Redis, Redis on Kubernetes & Redis gui best practices.Starting Price: Free -
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RabbitMQ
RabbitMQ
RabbitMQ is lightweight and easy to deploy on-premises and in the cloud. It supports multiple messaging protocols. RabbitMQ can be deployed in distributed and federated configurations to meet high-scale, high-availability requirements. With tens of thousands of users, RabbitMQ is one of the most popular open-source message brokers. From T-Mobile to Runtastic, RabbitMQ is used worldwide at small startups and large enterprises. RabbitMQ is lightweight and easy to deploy on-premises and in the cloud. It supports multiple messaging protocols. RabbitMQ can be deployed in distributed and federated configurations to meet high-scale, high-availability requirements. RabbitMQ runs on many operating systems and cloud environments and provides a wide range of developer tools for most popular languages. Deploy with Kubernetes, BOSH, Chef, Docker and Puppet. Develop cross-language messaging with favorite programming languages such as Java, .NET, PHP, Python, JavaScript, Ruby, Go, etc.Starting Price: Free -
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Pro Edition for Eclipse Mosquitto is a pro version of the world's #1 MQTT broker that quickly, stably, and reliably transmits data between IoT devices. Compared to the popular open-source version, our product offers professional MQTT broker and client administration and monitoring, MQTT High Availability, MQTT and REST API access, improved reliability, enhanced security, and professional support, making it an ideal solution for commercial use. Functionality highlights: Leverages Mosquitto Management Center to manage MQTT broker instances and clusters from a single interface. Ensures MQTT High Availability, making your solution available 24h. Ensures security through the use of client certificates and custom certificate authorities, application tokens with role-based access and expiry dates, and the use of the native Dynamic Security plugin to control access rights. Enables MQTT API and REST API to automate workflows and facilitate further integration with third-party systems.Starting Price: €23 per month
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10
PubSub+ Platform
Solace
Solace PubSub+ Platform helps enterprises design, deploy and manage event-driven systems across hybrid and multi-cloud and IoT environments so they can be more event-driven and operate in real-time. The PubSub+ Platform includes the powerful PubSub+ Event Brokers, event management capabilities with PubSub+ Event Portal, as well as monitoring and integration capabilities all available via a single cloud console. PubSub+ allows easy creation of an event mesh, an interconnected network of event brokers, allowing for seamless and dynamic data movement across highly distributed network environments. PubSub+ Event Brokers can be deployed as fully managed cloud services, self-managed software in private cloud or on-premises environments, or as turnkey hardware appliances for unparalleled performance and low TCO. PubSub+ Event Portal is a complimentary toolset for design and governance of event-driven systems including both Solace and Kafka-based event broker environments. -
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MQTTRoute
Bevywise Networks
MQTT Broker built with passion to provide everything you need to deploy & scale your IoT application. REST API, dashboard and widgets, complete data store & more. A Quick snapshot of the IoT devices with client connection & disconnection and the most important data visualized with widgets on multiple dashboards. Alerts and coloured notations for the different value based triggers. Rules engine to transform MQTT Messages for effective M2M communication automation. Event & timer based rules to define & pattern match data and create actions. Secured publish and subscribe messaging model with two layer of security for device communication with SSL / TLS for the connectivity and device authentication with Username / password as an additional layer. Web security for data view. Broker High availability mode will provision multiple message broker in parallel to collect & publish messages from devices. This ensures 99.99% of data collection to be successful irrespective of any software.Starting Price: $299 one-time payment -
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NanoMQ
EMQ
Unlock the flexibility of data with a SQL-based rule engine. Integrates with eKuiper to bring stream processing to the edge. Reduce the cost of integrating edge computing applications with event-driven WebHooks. Easy to maintain with EdgeOps-friendly HTTP APIs. NanoMQ is small but mighty. It is fully featured and competes in every perspective despite its tiny size. Task Layer: It is a built-in actor model with thread-level parallelism, which make NanoMQ highly scalable on a modern SMP system. Scale-out easily to engage multiple cores with less CPU usage in the modern SMP system. Highly compatible and portable with any POSIX-based platform. Booting footprint is less than 200Kb in minimum feature set.Starting Price: $ 0.18 per hour -
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Mosca
Mosca
Mosca can be used into any Node.js app. Mosca offers an executable for running it standalone. Run it and connect your preferred MQTT client. To fully use mosca you need to define a configuration file where the communication broker is defined.Starting Price: Free -
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VerneMQ
VerneMQ
VerneMQ is open source software, extendable, and enterprise support is available. VerneMQ is a high-performance, distributed MQTT broker. It scales horizontally and vertically on commodity hardware to support a high number of concurrent publishers and consumers while maintaining low latency and fault tolerance. VerneMQ is the reliable message hub for your IoT platform or smart products. Develop mobile messaging services with a much smaller overhead than XMPP. Open up new mobile use cases with low-latency bi-directional communication. Cities, Homes, Transportation. Mobile assets. From a small lab project to a successful industrial deployment of your solution: VerneMQ will handle your messages. Monitor and control all devices you have out there in the field. Connect them to your data centers, backend services and smartphone apps. You can trust VerneMQ to hold it all together.Starting Price: Free -
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MQTTnet
MQTTnet
MQTTnet is a high-performance .NET library for MQTT-based communication. It provides an MQTT client and an MQTT server (broker) and supports the MQTT protocol up to version 5. It is compatible with mostly any supported .NET Framework version and CPU architecture. A custom message interceptor can be added which allows transforming or extending every received application message. Lightweight (only the low-level implementation of MQTT, no overhead). Supports connected clients with different protocol versions at the same time.Starting Price: Free -
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CloudAMQP
CloudAMQP
CloudAMQP is a fully managed messaging and message broker hosting platform that provides cloud-based RabbitMQ and LavinMQ services for businesses building scalable applications and distributed systems. The platform supports multiple messaging protocols, including AMQP, MQTT, STOMP, HTTP, and WebSockets, allowing developers to connect a wide range of applications and devices. CloudAMQP simplifies the deployment, management, monitoring, and scaling of message queues through a hosted infrastructure designed for reliability and performance. It offers features such as monitoring tools, diagnostics, integrations, networking options, webhooks, authentication controls, and automated maintenance capabilities. The platform is commonly used for event-driven architectures, microservices communication, IoT messaging, and asynchronous application processing.Starting Price: $19/month -
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Datacake
Datacake
With the Datacake platform, you can realize your Industrial IoT use cases, such as condition monitoring, data logging, real-time dashboards, and data analytics. Connect LoRaWAN or NB-IoT devices and gateways to the platform. Use MQTT or other interfaces. Use the Datacake IoT platform and Ready-to-Use LoRaWAN sensors to detect water levels in flowing or standing water, containers or other vessels. Use modern online maps and display the positions of your IoT assets (e.g. sensors, machines, or other things) in real-time on Interactive Maps. View the routes traveled by these devices in a historical view directly on the map. Upload images and place sensors directly in the floor plan of the building, hall plans, or other diagrams. Show your customers the conditions on-site in a simple way. Send data to your devices on Datacake via webhook. Payload decoders for HTTP requests are also available here.Starting Price: €1 per device per month -
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MQTTHQ
MQTTHQ
A reliable MQTT broker is an essential part of every IoT project but setting one up, debugging, monitoring and maintaining it is complex and time-consuming. MQTTHQ is a load-balanced, multi-node MQTT broker cluster, which is designed to provide a stable and highly-reliable broker for developing IoT products and applications. MQTTHQ supports both TCP and WebSocket connections. Important: MQTTHQ is a public broker, which means that any information you send via this broker is visible to other users; please do not send private or personal information via this public broker! As part of our commitment to maintaining the MQTTHQ public broker as a free resource for IoT developers, we occasionally need to make improvements, add new features, etc.Starting Price: Free -
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Nimbus808
Nimbus808
Nimbus808 is an industrial Internet of Things (IoT) platform centered around a managed MQTT 5 broker that enables teams to build real-time web applications, connect devices, and visualize and control sensor data without provisioning their own infrastructure. It supports quick broker provisioning and secure device connectivity with enhanced MQTT 5 features, including shared subscriptions, user properties, and flow control, while built-in security, such as token authentication, IP whitelisting, role-based access control, device credential checks, and multifactor login protect projects and data. Nimbus808’s central dashboard aggregates live data from connected devices and sensors into customizable widgets and templates for real-time visualization, and system administrators can monitor users, projects, devices, tags, and alarm states in one interface with instant publish/subscribe updates.Starting Price: $5.99 per month -
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LavinMQ
CloudAMQP
LavinMQ is a high-performance message queueing and message streaming broker built for peaks, giving developers a fast communication infrastructure that simplifies scaling distributed systems. It is an open source message broker written in Crystal and optimized from the ground up for speed, low latency, and resource efficiency. LavinMQ implements AMQP 0-9-1 and MQTT 3.1.1, making it compatible with common messaging clients and useful for background jobs, event-driven systems, IoT workflows, real-time analytics, order handling, internal communication, and high-throughput application messaging. As a message broker, LavinMQ receives messages from applications, routes them to one or many destinations, and stores them in queues until consumers are ready to process them. It supports traditional queues as well as streams, where messages are kept in immutable storage so multiple consumers can read the same data, re-read past messages, or start from a chosen point in time.Starting Price: Free -
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Red Hat AMQ
Red Hat
Red Hat AMQ is a flexible messaging platform that delivers information reliably, enabling real-time integration and connecting the Internet of Things (IoT). Based on open source communities like Apache ActiveMQ and Apache Kafka, it supports various messaging patterns to integrate applications, endpoints, and devices quickly and efficiently, enhancing enterprise responsiveness and agility. AMQ facilitates data sharing between microservices and other applications with high throughput and low latency. AMQ supports connectivity from client programs written in multiple languages. It defines an open-wire protocol for messaging interoperability, allowing enterprises to deploy various distributed messaging solutions to meet evolving business requirements. Backed by Red Hat's award-winning support and services, AMQ has a track record of supporting mission-critical applications. -
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ZeroMQ
ZeroMQ
ZeroMQ (also known as ØMQ, 0MQ, or zmq) looks like an embeddable networking library but acts like a concurrency framework. It gives you sockets that carry atomic messages across various transports like in-process, inter-process, TCP, and multicast. You can connect sockets N-to-N with patterns like fan-out, pub-sub, task distribution, and request-reply. It's fast enough to be the fabric for clustered products. Its asynchronous I/O model gives you scalable multicore applications, built as asynchronous message-processing tasks. It has a score of language APIs and runs on most operating systems.Starting Price: Free -
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Amazon MQ
Amazon
Amazon MQ is a managed message broker service for Apache ActiveMQ that makes it easy to set up and operate message brokers in the cloud. Message brokers allow different software systems–often using different programming languages, and on different platforms–to communicate and exchange information. Amazon MQ reduces your operational load by managing the provisioning, setup, and maintenance of ActiveMQ, a popular open-source message broker. Connecting your current applications to Amazon MQ is easy because it uses industry-standard APIs and protocols for messaging, including JMS, NMS, AMQP, STOMP, MQTT, and WebSocket. Using standards means that in most cases, there’s no need to rewrite any messaging code when you migrate to AWS. With a few clicks in the Amazon MQ Console, Amazon MQ provisions your broker with support for version upgrades, so you can always use the latest version that Amazon MQ supports. Once you configure your broker, your applications can produce and consume messages. -
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IBM® Messages for RabbitMQ on IBM Cloud® supports multiple messaging protocols as a broker. It lets you route, track and queue messages with customizable persistence levels, delivery settings and publish confirmations. Get to global scale with integrated, infrastructure-as-code tools, such as IBM Cloud Schematics with Terraform and Red Hat® Ansible® support at no additional charge. IBM® Key Protect lets you can bring your own encryption key. Each deployment supports private networking, in-database auditing and more. Messages for RabbitMQ allows you to scale disk and RAM independently to fit your requirements. Grow with elasticity just an API call away. The service is compatible with RabbitMQ APIs, data formats and clients. You can use Messages for RabbitMQ as a drop-in replacement for RabbitMQ. The standard configuration includes three data members configured for high availability. Deployments use multiple availability zones.
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Fogwing IIoT Platform
Factana Computing
Fogwing is the next generation Industrial IoT platform engineered with features to build IoT Solutions for various industrial use cases; from industrial equipment monitoring, asset tracking, equipment condition monitoring to predictive maintenance. Users can build and deploy IoT based automation solutions without deep information technology expertise. The extended data analytics provides data driven analytical processes to predict operational risks and actions at lower TCO!Starting Price: $12 -
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FairCom EDGE
FairCom
FairCom EDGE simplifies the integration of sensor and machine data at the source – whether it’s a factory, water treatment plant, oil platform or wind farm. The world’s first converged IoT/Industrial IoT hub, FairCom EDGE unifies messaging, persistence and analytics with an all-in-one solution – complete with browser-based administration, configuration and monitoring. FairCom EDGE supports MQTT and OPC UA for machine-to-machine (M2M) communication, SQL for interactive analytics and HTTP/REST for real-time monitoring. It continuously retrieves data from sensors and machines with OPC UA support, and receives messages from those with MQTT support. The data is automatically parsed, persisted and made accessible via MQTT and SQL.Starting Price: Free -
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Cassandana
Cassandana
Cassandana is an open-source MQTT message broker which is entirely written in Java. This project began its life as a fork of Moquette, and later underwent some cleanup, optimization and adding extra features. Now it’s ready to work as an enterprise message broker. Supports In-memory caching mechanism to reduce I/O operations. Supports In-memory caching mechanism to reduce I/O operations.Starting Price: Free -
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MyQttHub
MyQttHub
MyQttHub supports TLS/SSL/HTTPS for secure MQTT-TLS and HTTPS communications. Moreover, you can control source IP allowed to connect for all your devices, including MQTT administrator user. This will provide you additional security to deploy your cloud IoT project, avoiding unauthorized access. You can use this platform for system interconnection in a way they are isolated from each other (no direct connection), but at the same time connected. This provides system isolation by providing system decoupling techniques. This allows to separate systems that are producing data from those consuming and processing them. Along with the service, you can count on us to resolve design and usage doubts on how to better deploy and use MQTT for your scenario.Starting Price: €2.50 per month -
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Eclipse Mosquitto
Eclipse Foundation
Eclipse Mosquitto is an open source (EPL/EDL licensed) message broker that implements the MQTT protocol versions 5.0, 3.1.1 and 3.1. Mosquitto is lightweight and is suitable for use on all devices from low power single board computers to full servers. The MQTT protocol provides a lightweight method of carrying out messaging using a publish/subscribe model. This makes it suitable for Internet of Things messaging such as with low power sensors or mobile devices such as phones, embedded computers or microcontrollers. The Mosquitto project also provides a C library for implementing MQTT clients, and the very popular mosquitto_pub and mosquitto_sub command line MQTT clients.Starting Price: Free -
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Anypoint MQ
MuleSoft
With Anypoint MQ, perform advanced asynchronous messaging — such as queueing and pub/sub — with fully hosted and managed cloud message queues and exchanges. As a service of Anypoint Platform™, Anypoint MQ supports environments, business groups, and role-based access control (RBAC) with enterprise-grade functionality.
