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Sustain Energy Support Services

Reliable Onsite Support, 24/7/365

Our 24/7 Onsite Support ensures uninterrupted functionality of your building energy management system. With nationwide coverage and rapid deployment, our expert engineers are always ready to resolve issues swiftly, including emergency callouts.

Reliable Onsite Support, 24/7/365

Comprehensive support services, delivered from day one

Mobilisation and implementation of a contract is the base for ensuring all our promises are kept and exceeded wherever possible. Here at BMSI we understand that great service starts from day one.

01
OnSite

Site Attendance

At BMSI we pride ourselves on the quality of our onsite engineering team. Our engineers are technically qualified and highly trained to provide high-level BeMS maintenance, support and customer service to our client base.

Within your contract, we will strive to provide continuity of engineers to develop further contract-specific knowledge and build a better relationship with the site. We will ensure our engineers are kept up to date with new releases of technology and innovation plus provide full back of house support with regards to access coordination, administration and schedule planning.

Make informed decisions
02
ReActive Onsite

24/7 Site Attendance for Callouts

Our 24/7/365 call-out cover gives peace of mind for any emergencies that may occur on-site. Each Region has trained engineers available when needed. The call out facility has unlimited use, but each visit will be chargeable at the agreed rates.

Best endeavours or next working day

Full report produced

Recommendations & quotations submitted as required

Escalation to operations manager if needed

Take charge of your building today

Benefits

Skilled engineers with site knowledge

Planned system backup & PPM schedule

Detailed reports issued

Resilience & fall-back strategy

Regular onsite customer meetings

Take charge of your building today

Get in touch with our team today to learn more about how BMSI can help your building on its path to sustainability.

Life at BMSI
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).