Enabling Smarter Buildings

Our Story

In just a little over a decade, 3MSE have established London’s most formidable team of building technology specialists with one goal: helping buildings perform their best with cutting edge technologies.  Our expertise and experience is matched by our dedication to delivering scalable, innovative Building Management Systems enabling a resilient and sustainable future for our built environment. 

Our Mission

Since our inception, 3MSE has been driven by the vision of automation leading the way in a sustainable world. We are dedicated to delivering exceptional service while driving energy savings and supporting our clients in achieving their sustainability goals, including the path to Net Zero. Through project collaboration, BMS expertise, and cutting-edge technology, we strive to create smarter, greener, and more resilient buildings that meet the challenges of today and build a sustainable future for tomorrow.

3MSE is London's foremost BMS company
3MSE's London based engineer

Our Journey

2014
3MSE is Founded
3MSE opens doors in London with the mission of redefining the delivery of Building Automation projects.
2015
We Deliver the first project
Our first project is secured, marking the start of our hands-on work with iconic London buildings.
2016
Move into Leadenhall Office
We move into our first London office, sharing space with The Anslow Partnership, setting the stage for growth.
2018
100th Project Delivered
Reaching 100 projects, we gained momentum, fueling rapid expansion and larger opportunities.
2020
First £1m+ Project
Securing our first seven-figure project was a game-changer, opening the door to larger-scale work.
2020
Managed Services Division Launched
We establish a dedicated Managed Services division, expanding our offerings to support clients more comprehensively.
2022
First International Project in Monte Carlo
Our first global project in Monaco showcased our ability to deliver high-end solutions for international clients.
2024
1000th Project Delivered
Completing our 1000th project marked a decade of success and impact.
2024
10-Year Anniversary and New London Office
We celebrate 10 years in business by opening a new, purpose-fitted office in the heart of London.

Working with 3MSE

Located in the heart of London, our team of experienced BMS engineers is ready to support you throughout your projects and operations. Our focus is always on you and your buildings: taking the time and energy to understand your particular challenges and requirements allows us to always be there for you.

specialist team

Our engineers are trained in every major BMS platform to ensure we bring the right knowledge your building.

Collaborative Approach

We keep our works transparent and you in the loop to ensure we’re always exactly where you need us.

A Decade of Experience

Our experience across many building types and systems allows us to get your building’s systems running better, quicker.

Our broad technical expertise lets us always deliver best in class systems.

Your Building in safe hands

3MSE combines the cumulative experience of more than 50 building technologies experts, bringing you the right skillset to make your buildings efficient, reliable, and desirable.

Client Testimonials

"3MSE made our BMS integration seamless. Their attention to detail and ongoing support have been outstanding, making our building more efficient and comfortable for all."
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"3MSE consistently delivers results, reducing our energy costs and enhancing occupant comfort. They’re more than a service provider—they’re a trusted advisor."
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"3MSE has been a game-changer for our energy efficiency. Exceptional support from day one!"
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Contact Us

To find out how our team can help you reach your objectives, get in touch using any of the following methods.

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