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Contact

Get in touch with our team

Get in touch and let us know how we can help.

Sales

Contact our sales team to learn more about our product and solutions.

Customer Support

Already a customer? Get support from our dedicated customer service team.

Careers

Interested in working at BMSI? View our current job vacancies and apply.

Connect with one of our regions

We have offices/support centres in 7 different regions, offering full national coverage for our clients. Below are the contact details for each of our regions.

Head Office/South East

Unit 6A Waltham Park
Waltham Road
White Waltham

SL6 3TN

Scotland

Suite’s G04 & G05
New Alderston House

Lanarkshire
ML4 3FB

North East & North

7500 Daresbury Park

Warrington
Cheshire
WA4 4BS

Midlands

7500 Daresbury Park

Warrington
Cheshire
WA4 4BS

Sustain Energy Centre

7500 Daresbury Park,

Warrington
Cheshire
WA4 4BS

Wales & South West

Suite 113 Regus House

Cardiff Gate Business Park


Cardiff
CF23 8RU

Central London

Mercury House

117 Waterloo Road

London

SE1 8UL

Aviation

Sovereign Court
635 Sipson Road

Heathrow

UB7 0JE

South

Denmead and Hove

6 Falcon Court

Denmead


P07 6BZ

Data Centres

7500 Daresbury Park

Warrington
Cheshire
WA4 4BS

Finance

7500 Daresbury Park

Warrington
Cheshire
WA4 4BS

Blog

Recent News

5 min read
October 27, 2025

Uncovering Hidden Energy Waste in 24/7 Systems

In large commercial and public buildings, energy systems never truly switch off. 
5 min read
September 23, 2025

Why Your Energy Data is Your Most Valuable Asset

In the management of large buildings, be they sprawling office complexes, data centres, busy hospitals, or extensive university campuses, there is one resource that often holds the key to greater efficiency, lower costs, and improved sustainability: your energy data. 
5 min read
September 15, 2025

Unlocking the Hidden Potential of Your Building Management System

Many building managers focus on the big picture of dashboards and analytics when looking to optimise their building’s performance. While these are certainly valuable tools, some of the most impactful energy and comfort gains can often be found in the ‘quiet achievers’ within your existing Building Management System (BMS).