Audit. Investigate. Manage(AIM)

The smarter pathway to energy and building performance

Improve efficiency. Reduce energy waste. Take control of your building.

AIM, powered by AIS BMS (part of the Mecsia Group), helps CMSL’s clients improve building performance through a clear three-step process: Audit, Investigate, Manage. It turns building data into practical actions that reduce costs, cut carbon, and prevent avoidable issues.

AIM

A simple pathway for complex buildings

AIM brings clarity to how your building operates and shows where improvements will have the most impact.

With AIM, you can:

  • Understand where energy is being wasted using live BMS analytics

  • Identify and quantify clear opportunities to save money and reduce carbon

  • Improve plant and control system performance through targeted optimisation

  • Support predictive maintenance by feeding insight into FM operations

  • Produce audit-ready energy and carbon data for ESG, MEES, and ESOS compliance

Three steps to sustained performance

Aim

Audit

We analyse your building’s energy use and system performance to identify where improvements will have the biggest impact.

Aim

Investigate

We make targeted on-site adjustments to optimise controls, reduce waste, and improve plant performance.

Aim

Manage

We make targeted on-site adjustments to optimise controls, reduce waste, and improve plant performance.

Click the button to download the AIM Pathway overview — a straightforward guide to how AIM improves efficiency, comfort, and compliance.

Case study highlight

The figures below are taken from live AIM projects and demonstrate the real-world gains clients have seen.

  • £185k in annual savings identified through energy analytics and load optimisation

  • 1.23M kWh in potential energy savings through continuous monitoring and tuning

  • 40% reduction in comfort-related complaints after optimising HVAC controls

  • 20% labour savings through automated fault detection and remote diagnostics

  • Fan coil performance improved from 43% to 99% through targeted optimisation

Recent case studies

What our clients say

CMSL have been an outstanding partner to work with. The team are consistently professional, friendly, and highly skilled, which makes every project smooth and efficient. What stands out is the proactive approach. CMSL regularly bring forward practical suggestions around sustainability and cost savings, helping us future proof operations while staying budget conscious. Integrity, clear communication, and reliable delivery throughout.

Daryl Cowley, Facilities Manager, IRIS
It’s always a pleasure working with Carla and Maisie. Their response to a recent sprinkler issue was quick, practical, and professional. The CMSL engineer on site also offered to help without hesitation, which really reflects the team’s supportive and proactive approach. 
Richard Ryan, Centre Manager, Clifton Down Shopping Centre

Since starting my new role at Crossgates in January, I’ve been hugely impressed with the support received from CMSL. Sarah Hodgson, in particular, has been an incredible help—always professional, approachable, and quick to provide the information and assistance I need when booking jobs. Her support has made a real difference for both myself and Ian at Crossgates. A huge thank you to Sarah and the CMSL team.

Nicola Boycott, Facilities Coordinator, Crossgates Shopping Centre (Leeds}
I can highly recommend Cambridge Maintenance Services from my experience working with them at 55 Bishopsgate. We had a three-man static team along with various subcontractors, and I also used their mobile services at Eldon House and 4 Moorgate. 

Their engineering advice is solid and reliable, and you can tell that the account managers have hands-on experience, which really supports the site teams. They are quick to respond to reactive issues and have never missed a KPI at my managed building. 

Cambridge Maintenance Services also has a large pool of specialist subcontractors. They were able to select the right contractors to suit the tenant's needs, and they have excellent cover for annual leave and sickness. Paul Younan in particular has been helpful in identifying problem areas and offering solutions that provide real value, including advice on energy-saving devices. 

Christian Kleidon, Associate Director – Surveying, MAPP

“We recently faced a challenging situation at our Torquay site, and CMSL delivered outstanding support. From the moment they became involved, the team took full ownership, coordinated the required works, and ensured everything ran smoothly on site.

The issue was resolved efficiently, disruption was kept to a minimum, and communication throughout was clear and reassuring. Exactly what you want from a facilities partner when it counts.”

Kevin Turner, Senior Facilities Manager LSH

CMSL provide quick, proactive support that feels like an extension of our own team. Since the contract changeover we have had consistent communication, confident guidance during urgent incidents, and dependable cover when it mattered. The service is responsive, practical, and shows real care for the building and its occupiers. CMSL have built strong relationships on site and their reliability gives us peace of mind. 

Louise Allen, Building Manager, Bellrock Property & Facilities Management (The Spark)
We recently faced a challenging situation at our Torquay site, and CMSL delivered outstanding support. From the moment they became involved, the team took full ownership, coordinated the required works, and ensured everything ran smoothly on site. The issue was resolved efficiently, disruption was kept to a minimum, and communication throughout was clear and reassuring. Exactly what you want from a facilities partner when it counts.
Kevin Turner, Senior Facilities Manager LSH

Your professionalism, attention to detail and dedication have been exemplary and don’t go unnoticed. Whenever we’ve called upon CMSL the service has been exceptional, with a real sense of care for the asset. It’s rare to see this level of service and commitment these days and we’re very grateful to be partnered with you and the company. Thank you for going above and beyond, it’s greatly appreciated.

Hylton Cresswell, Operations Manager, Grand Arcade (Cambridge)
Cambridge Maintenance have been with us for some time now and I’m very impressed with how professional and helpful both their engineers and Helpdesk team are. Mark Woolhouse, our site engineer, is one of the most professional, helpful, and nicest people I have ever worked with. He always ensures everyone is happy and follows up thoroughly on any issues. Mark is a great asset to the company. The Helpdesk Advisors are equally outstanding—always available, professional, and willing to help explain things further when needed. Melissa, in particular, has been brilliant, always happy to help and quick to resolve any concerns. I cannot thank the CMSL team enough.
Joanna, Security, PORTICO

“CMSL couldn’t have handled it better. The Helpdesk and Out of Hours Helpdesk were quick to respond during a recent out of hours callout, and the reactive communication since has been clear, professional, and consistent.”

Adam Mayes, Facilities Manager Cambridge Central Mosque

“CMSL are always professional, responsive, and particularly helpful. The helpdesk support is brilliant.”

Jack McNally, MAPP

CMSL went above and beyond to resolve an issue for us quickly. The engineer was patient, professional, and even sourced a replacement part on the spot rather than waiting for delivery, ensuring minimal disruption. We are very grateful for the effort and the outstanding service provided.

Lauren Dillon, Workspace Experience Manager, MAPP (London Head Office)

“CMSL have been an outstanding partner to work with. The team are consistently professional, friendly, and highly skilled, which makes every project smooth and efficient. What stands out is the proactive approach. CMSL regularly bring forward practical suggestions around sustainability and cost savings, helping us future proof operations while staying budget conscious. Integrity, clear communication, and reliable delivery throughout.”

Daryl Cowley, Facilities Manager IRIS
“CMSL acted quickly and took full ownership of the issue from the outset. The team coordinated the right support, kept everything moving, and ensured the works were delivered smoothly with minimal disruption. A job well done, and I appreciate the professionalism throughout.”
Kevin Turner, Senior Facilities Manager LSH

CMSL couldn’t have handled it better. The Helpdesk and Out of Hours Helpdesk were quick to respond during a recent out of hours callout, and the reactive communication since has been clear, professional, and consistent.

Adam Mayes, Facilities Manager, Cambridge Central Mosque, Cambridge

Ready to experience local coverage with national scale?