Our Intelligent Building Operating System (IBOS) team is expanding with the addition of four new specialists as the service continues to grow, having so far helped clients save £8.2m on their energy costs.
Joining us as Senior Intelligent Building Systems and Data Analyst is Georgios Grigoriou, who will work from our Bristol office. Georgios brings a wealth of experience in intelligent buildings, mechanical engineering, and data analysis. He will play a pivotal role in enhancing our operations to deliver more efficient, optimised, and human-centric building management.
We also welcome Darren Caller as Intelligent Buildings Manager, working from our London office. He is most excited about exploring new opportunities with our clients to help create more sustainable businesses.
Joining us as Intelligent Building Engineer is Euan Keighley who will also be based at our London office. Euan has a strong background in intelligent buildings and identifying opportunities that align with our sustainability-focused services.
In addition, we welcome Harrison Boog as Assistant Intelligent Engineer, who will be based at our Manchester office. Harrison has a strong background in data analytics and is passionate about data and cutting-edge technology to develop smarter, more sustainable buildings.
With these new additions, the IBOS team is strengthening our energy-efficiency capabilities while expanding our reach across the UK.

Georgios Grigoriou
Senior Intelligent Building Systems and Data Analyst georgios.grigoriou@ibos.co.uk
James Hallworth, Director and Head of IBOS, said:
“We are excited to expand the IBOS team with the arrival of Georgios Grigoriou, Darren Caller, Euan Keighley and Harrison Boog. These individuals bring ideal experience and valuable expertise to the team at a critical stage in our sustained growth trajectory, as we continue to deliver outstanding energy and carbon savings for our clients.”
“IBOS is playing a pivotal role in significantly reducing carbon by optimising energy consumption within buildings, analysing data and automating systems for maximum efficiency. The antithesis of greenwashing, this technology delivers tangible action and real measurable results.”
IBOS is now installed across 12.4m sq. ft of commercial property, and is delivering significant savings:
- to date, we’ve saved £8.2m on clients’ energy bills,
- reduced energy consumption by 36,350,487 kWh,
- prevented 7,572 tonnes of CO2 from entering the atmosphere across the buildings where IBOS is installed.
To find out more about how our Building Technology team can help, or to arrange a demo of IBOS, contact our team here.



