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Master Systems Integrator UK

We help turn Complex and Disparate Building Systems into an Intelligently Connected all-encompassing Solution for clients

From Design to Deployment, we have the expertise to deliver award-winning integrations for Energy Efficiency, Occupant Wellbeing and Operational use cases

We can help clients with:
Building System Knowledge
IT Development Skills
Web & Cloud Integration
Understanding Big Data
IT Network Skills
BIM Knowledge
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Our Experience

Master Systems Integrator (MSI) UK

Full Project Integration and Consultancy, from Design to Deployment

Resulting from decades of building automation and energy management experience, we began our first Master Systems Integrator project in 2015, with full integration from building service systems through to cloud analytics and control.

We strive to meet the demands of UK Systems Houses, Building Owners, Managers, Consultants, and Occupants by providing an open source platform able to bridge the gap, communicate and unify all building systems.

This integration method provides an all-inclusive overview of a buildings performance, helping clients achieve optimisation and control across energy consumption, reducing operational costs, improving occupant comfort, and achieving ESG targets.

MSI & Smart Enablement Insights

We share our experience and insights on key industry topics, best practices, and the art of the possible:

Our goal is to use our experience to educate the industry and property stakeholders on the evolving role of the MSI, fill in technology gaps in existing frameworks, and share best practices that enhance knowledge for the greater good.

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Bridging the gap between BIM and Smart Buildings

The Digital Building Council’s BIM to Smart initiative aims to bridge the gap between building information modelling and smart building technology. Project lead John Clarke discusses the project ahead of the DBC’s BIM to Smart panel at Digital Construction Week

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Smart Enablement Best Practices – Lessons from the trenches

With the continued growth of smart buildings in the UK, we provide an overview into the intricacies of Smart Enablement and its pivotal role in modern building management across various stakeholders, demystifying industry talk, and covering the significance of data validation

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Redefining Master Systems Integration Panel

Building upon the insights shared at ISE Smart Buildings Summit in Barcelona, this feature article by John Clarke, explores the key challenges, emerging trends and actionable strategies shaping the future of MSIs, offering a deeper dive into the topics

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6 Common Mistakes MSI Contractors see in Smart Projects

As the number of smart buildings systems require connectivity into the smart building ecosystem, this necessitates a higher degree of integration and validation, emphasising the importance of standardised communication protocols, naming schemes, and data structures

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Our Approach as an MSI

Modern buildings depend on complex technology. As a Master Systems Integrator, we ensure those systems work together as one – reducing risk, improving performance, and protecting long-term asset value. By acting as an independent technical authority, the MSI removes silos between vendors, simplifies delivery and handover, and enables smart, efficient buildings that perform from day one and adapt for the future.

Early engagement across stakeholders is crucial

Understanding the Smart Building Use Case

Asking “What is a Smart Building”, is determined by the use case of the building, and the key driver for the client:

Commercial Tenant

Driver: Staff health, well-being and productiveness, energy usage and ESG accreditations

Commercial Landlord

Driver: Energy and space usage, attracting tenants, understanding large portfolios of equipment, and ESG such as Nabers

Data Centres

Driver: Environment monitoring, energy usage, uptime, fault detection and maintenance

Education

Driver: Space utilisation, productivity, well-being, maintenance and ESG accreditations such as WELL

Residential

Driver: Resident’s experience, landlord energy usage and tenant billing

Our MSI Skillset

From our experience, our belief is that MSI’s should understand more than a single core skillset – requiring a mix of:

Our Smart Deliverable Scope

Our smart projects involve 6 typical elements, with various touch points, and can run in parallel. It is the responsibility of the MSI to manage all of:

MSI & Smart Enablement Outcomes

Here’s why an MSI matters to Smart Building Stakeholders:

Landlords & Developers: Smart delivery with less rework, and a scalable digital building platform that enhances asset value and attracts occupiers

Facilities & Workplace Managers: A single, intelligent operational view across all building systems – fewer false alarms, faster fault detection, and smoother coordination with service partners

IT & Security Teams: Clear system ownership, secure integration between OT and IT, and governed data flows across the smart building ecosystem

ESG & Sustainability Leads: Reliable, integrated data that enables meaningful performance insight and confident NABERS, WELL, and BREEAM reporting

Occupiers & Tenants: Intuitive, responsive spaces – fewer processes, and buildings that adapt to how people actually use them, creating the most optimal environments

View Site-wide Topology Example

MSI Project Outcomes:

Smart Enablement & Data Validation

Open communication protocols allowing for multiple use cases and connectivity, and adoption of consistent device and point naming standards

We’ve developed our own MSI Data Validation tool to help better manage projects

Discover Smart Enablement

IoT & LoRaWAN Sensor Integration

Scaling data monitoring and building control applications with wireless sensors, pushing more intelligence to the edge

We have huge experience in LoRaWAN solutions, integration and the best practices in using your data

Discover LoRaWAN Devices

Single Pane of Glass UI (SPOG)

Access, monitor and control all of your building services, which supports energy saving and occupant well-being opportunities

We’ve partnered with a leading UI configuration package that is responsive, aesthetic and time-saving

Discover Reflow UI

Cloud Data Storage & Applications

Open access to your data and histories, when a building is correctly smart enabled the scope for optimisation is huge

By staying open, the client can benefit from continued innovation, and be adaptable for future business requirements

Discover entroCIM

Cyber Security & IT Networks Knowledge

A new technical understanding, with integrations following best practices enforced and monitored throughout the project

We offer bespoke TCP/IP Network training, as well as Niagara Certificates/PKI & TLS, available over 1-day online

Discover Our Training

Beyond Project Completion

When Smart really happens…

By maintaining long-term relationships with our clients, the MSI develops a deep understanding of how building systems are actually used, enabling continuous optimisation and the introduction of new, high-value capabilities.

With a holistic, data-led view of the entire smart building ecosystem, we support better operational decisions, seamless integration with new platforms, and faster issue resolution. Our technology-agnostic approach, combined with proactive monitoring, change management, and expert support, ensures smart buildings remain secure, reliable, and future-ready well beyond handover.

Achieve ESG Targets, Sustainability Accreditations and Stay Open for the Future

Are you looking to become an MSI?

We partner with System Integrators to provide Skills, Training & Technology to become an MSI

UK Leading Product & Solution Access: We’re the first and largest Tridium Platinum Distributor & Developer in the UK. Our vast experience integrating with the Niagara Framework, product selection and highly skilled IT developers means you can have access to the widest range of Niagara compatible products on the market, for any size project.

Multi-award Winning Niagara & IoT Training Pathway: From complete Building Automation beginner, through your Tridium Technical Certification, all the way up to LoRaWAN, Networking and Security Masterclasses, we have the full training pathway to become a Master Integrator.

Software & IoT Development: Our in-house team of highly skilled software developers have created a portfolio of 12x Niagara Drivers to expand integration possibilities and increase productivity, filling in product gaps. We’re UK’s leaders of LoRaWAN solutions, we have the expertise to help you at any stage of your project, from Site Surveys, to Product Selection and Support.

Making the most of Your Data: Staying open is the most valuable path of integration you can take, and we can help you take your building system data, in any protocol, and help you get real-world value out of it, whether you’re striving for the Cloud, Analytics, CAFM Platforms, FDD or other…

Discuss your MSI goals with us

MSI & Consultancy Testimonials

100 Liverpool Street

London, UK

“OSS undertook the design, supply, delivery, installation, commissioning and testing of  Smart Building System.

Benefits include the ability to monitor and change building conditions and also link into utility services, lift services, security systems, BMS and power systems to make intelligent decisions to increase visibility of what is happening in the building, as well as supporting energy saving opportunities and employee wellbeing programs.”

Bloomberg HQ

London, UK

“The OSS solution offers users access to the complete building operation from a single pane of glass, from any location within the building and potentially across the global campus.

The system gives us flexibility of equipment selection due to it’s capability to integrate with virtually any protocol available, providing a future-proof solution. We can easily share information across building systems removing the need for direct system to system integration solutions or hardwired signals”.

80 Charlotte Street

London, UK

“OSS were selected based on their experience and specialist expertise in Building Management Systems, and also having an influence on procuring and distributing BMS hardware.

I would without question be more than happy to work with OSS again on another project, and also be sure to use this testimonial to recommend them to the other TSM’s. I am soon to complete the supply chain feedback scores and can confirm that OSS will score highly, which will be shown in our database when tendering future projects”.

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