Top 10: Sustainability Consultants

Sustainability has become a bit of a buzzword for data centres, with operators conscious that emerging technologies are putting greater pressures on energy and water usage across every facility.
Companies like Elea Data Centers, as evidenced below, are starting to implement these technologies in a way that is sustainable - but acknowledge that there is still progress to be made.
Consultants are able to advise these companies how best to implement sustainability and ESG guidelines to not only be more environmentally friendly, but also to better support the communities in which they operate.
With this in mind, Data Centre Magazine spotlights some of the leading sustainability consultants that help the data centre industry be more mindful of its environmental impact.
10. MICIM
CEO: Marc Beattie
Headquarters: UK
Founded: 2016
MiCiM (Mission Critical Management) was established in 2016 to provide a focused, end to end, hands on project management and construction delivery service, specialising in the data centre sector. Based in Reading, MiCiM also has offices in Italy and Ireland, and has considerable experience in data centre construction, upgrade and optimisation projects throughout the EMEA region.
Since MiCiM’s 2022 acquisition of Operational Intelligence, MiCiM have expanded their service offering to include energy efficiency and sustainability consultancy and training services led by industry experts, demonstrating their commitment to innovation and client-centric solutions.
9. WSP
CEO: Alexandre L'Heureux
Headquarters: Montreal, Canada
Founded: 1969
WSP is a globally recognised professional services firm with its headquarters in Montreal, Quebec, Canada. They specialise in providing innovative solutions in engineering, consulting and project management to help clients achieve their goals in a sustainable and efficient manner.
Under the leadership of CEO Alexandre L'Heureux, WSP has expanded its reach and expertise, employing a diverse team of 72,000 professionals across the globe. The firm is known for its commitment to delivering high-quality services in design, environmental services, sustainability and infrastructure.
Their work spans various industries, including urban planning and architecture, ensuring that they can meet the complex needs of their clients.
8. Deerns
Deerns is an independent, multi-disciplinary, engineering consultancy company. Founded in 1928, it provides expert design services in the fields of building services, sustainability, energy supply and master planning.
The company is committed to creating healthy, sustainable, smart and future-proof solutions in airports, real estate, healthcare, life sciences, electronics and data centre sectors. It boasts more than 600 experts in mechanical and electrical design (MEP), building physics, energy efficiency, digitalisation and sustainability, who are committed to making their work matter.
7. Total Data Centre Solutions (TDCS)
CEO: Jonathan Evans
Headquarters: UK
Founded: 2003
TDCS are a team of data centre and media business professionals. With many of its workforce holding 30+ years of industry experience, its aim is to provide a cost-effective, efficient, un-biased and targeted range of services to its customers by leveraging its contacts, knowledge and industry expertise in establishing and running data centres.
The company has continually promoted multi-MW battery storage for years to reduce carbon footprint and promote immersion cooling solutions. TDCS have worked with data centre clients such as Green Mountain and EcoDataCenter on sustainability-led projects.
6. Arup
CEO: Jerome Frost OBE (incoming)
Headquarters: UK
Founded: 1946
Arup is a British multinational professional services firm headquartered in London that provides design, engineering, architecture, planning and advisory services across every aspect of the built environment.
The company is currently driving the development of some of the most sustainable, scalable and resilient data centres, offering its clients full engineering, architectural and consultancy services for the entire lifespan of the data centre. Arup works to help its clients reduce carbon, maximise efficiency and optimise their operations.
5. RPS
CEO: John Douglas
Headquarters: UK
Founded: 1970
Now part of Tetra Tech, RPS is a leading provider of consulting and engineering services worldwide. Its experts define, design and manage projects that are designed to create shared value to a complex, urbanising and resource-scarce world.
These consultants are trusted data centre advisors that support clients to navigate the complexity of project planning and delivery for new build facilities, in addition to upgrades or expansions of existing data centre infrastructure.
RPS works as project partners across all construction stages, including site selection, testing, commissioning and completion.
4. Red Engineering
CEO: Thierry Kalfon
Headquarters: UK
Founded: 2004
Established in 2004, RED Engineering Design is a global company of specialist building services and ICT engineers that is helping to lead the drive towards zero-carbon by providing step-change low-carbon solutions.
As pioneers in ICT and data centre design, the consulting company works to leverage cutting-edge technology to build the digital infrastructure that propels global connectivity. Its sustainable data centre design services - including low-energy and innovative infrastructure - have resulted in the company gaining global recognition to provide world-class solutions for its customers.
3. Ramboll
CEO: Jens-Peter Saul
Headquarters: Denmark
Founded: 1945
Global consulting firm Ramboll specialises in delivering sustainable data centre solutions through comprehensive, multidisciplinary expertise. Emphasising strategic site selection, Ramboll provides tailored assessments, environmental due diligence and lifecycle-focused infrastructure planning to optimise sustainability, efficiency and resilience.
The firm advises clients on circular economy practices, EHS compliance and innovative energy solutions, exemplified by TeliaSonera’s Helsinki data centre, which recycles excess heat into municipal heating networks. Ramboll positions itself as a trusted partner in developing future-proof data centre projects, addressing critical climate and ecological challenges.
2. Keysource
CEO: Stephen Whatling
Headquarters: UK
Founded: 1982
Keysource is a specialist in data centre sustainability, committed to addressing the significant environmental challenges associated with growing energy consumption and operational costs in data infrastructure. Recognising the crucial role data centres play in modern digital services, Keysource provides expert sustainability consulting designed to help data centre operators navigate complex regulatory landscapes and reduce their carbon footprints effectively.
Through comprehensive legislative advice, environmental audits and detailed sustainability assessments, Keysource supports organisations in benchmarking their performance and identifying opportunities for improvement. The company’s embodied and operational carbon modelling services enable precise measurement of environmental impacts, whilst targeted intervention assessments ensure feasible, impactful actions. Additionally, Keysource’s renewable energy analyses deliver robust technical and commercial business cases, helping clients implement sustainable, future-proof solutions.
1. Schneider Electric
CEO: Olivier Blum
Headquarters: France
Founded: 1836
A global leader in energy management and automation, Schneider Electric offers comprehensive sustainability and data centre consulting services. The company’s sustainability consulting encompasses climate change strategies, sustainability reporting, climate risk management, renewable energy procurement, environmental, social and governance (ESG) solutions, procurement services and supply chain decarbonisation.
Schneider Electric provides several solutions to enhance data centre sustainability, including efficient design and operations, renewable energy integration and supply chain decarbonisation. The company also offers advanced infrastructure solutions, such as high-density, liquid-cooled AI clusters and compact uninterruptible power supplies (UPS) to meet the growing demands of AI workloads while maintaining energy efficiency.
Through its EcoStruxure™ platform, Schneider Electric also delivers data-driven insights to optimise energy usage and reduce environmental impact, supported by a global team of over 2,400 experts across more than 100 countries.
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