2025 in Review: Top 10 Data Centre Companies
The data centre industry has quietly become a foundation of the global economy, powering everything from everyday communication to advanced AI.
In September, Data Centre Magazine released its Top 100 Data Centre Companies for 2025 spotlighting the leading organisations setting new standards in the industry.
This year’s Top 10 ranking within that list reflects the rapid change in the sector. Colocation providers compete with hyperscalers building at massive scale, while edge computing brings processing closer to users. Sustainability has also become essential as energy demands rise.
With downtime costing millions and global reach shaping competitiveness, the top players stand out for operational strength and forward-looking strategy.
As Data Centre Magazine reflects on 2025, we took a dive into the Top 10 data centre companies:
10 ) Telehouse
Telehouse, KDDI Group's data centre brand, enables digital transformation through interconnecting enterprise users with service providers. Its London Docklands campus was its first data centre and remains the primary home of the London Internet Exchange.
Providing leading data centre colocation services, Telehouse operates Europe’s most carrier-dense data centre ecosystem, which includes leading internet exchanges, cloud service providers, ISPs and ASPs.
The brand is owned by KDDI, a Japanese Fortune 500 company and a world-leading telco company.
9) GDS Holdings
GDS is a leading developer and operator of high-performance data centres in China. The company's facilities are strategically located in China's primary economic hubs where demand for high-performance data centre services is concentrated.
The company offers a range of mission-critical data centre services, including colocation, managed hosting and managed cloud services. Given the boost in AI and data centre innovation in the nation, GDS Holdings’ net revenue surged in 2023 and the company continues to deliver carrier-neutral solutions.
8) CyrusOne
CyrusOne focuses on serving the needs of business and enterprise clients, offering expansive colocation solutions. Their cutting-edge data centres are designed to provide robust IT infrastructure support to ensure seamless operations for businesses of all sizes.
Through its advanced network and cloud computing capabilities, CyrusOne facilitates direct interconnection, which aims to boost efficiency and performance.
The company continues to expand its global footprint as it prioritises scaling data centres in a sustainable way.
7) NTT Global Data Centres
NTT Global Data Centers is one of the largest data centre operators in the world. With more than 150 data centres across 20 countries, the company offers local-to-global data centre expertise, aligned with its connected platform of AI-ready data centres to create scalable solutions.
As part of NTT Data Group, the company has a full-stack service, leading technologies and one of the largest connected platforms in the world. It provides comprehensive data centre solutions to meet unique IT infrastructure requirements.
6) Digital Realty
Digital Realty is a leading provider of data centre solutions, well-known for offering robust infrastructure. The company has a strong global presence and is committed to delivering high-performance colocation and interconnection services.
Under CEO Andy Power’s leadership, Digital Realty remains an innovation leader, integrating cutting-edge Technology to facilitate cloud computing and hybrid IT solutions. In 2025 already, the company launched its HER1 facility in Crete to reduce connectivity and infrastructure gaps across Southern Europe.
5) Equinix
Having been in operation for more than 25 years, Equinix has continually expanded as a business to become one of the largest data centre providers in Europe.
Equinix focuses on retail colocation and provides services to multiple customers with smaller individual power capacity requirements within the same data halls. The company is also advancing its sustainability leadership via its Future First strategy, demonstrating its long-term dedication to reducing environmental impact while delivering efficient digital infrastructure solutions.
4) Meta
Meta’s data centres are a part of the tech giant’s global infrastructure that works to bring technologies and services to life. In line with its refined sustainability strategy, the company’s data centres operate with 100% renewable energy and aim to focus on water conservation and restoration.
In 2025, the company has announced plans to build a 2GW data centre that would cover a significant part of Manhattan and enable AI digital transformation.
3) Google
Google is continuing to expand its global data centre presence, seeking out numerous sites around the world to develop interconnected data centres and support rising customer demand in an age of digital transformation.
The company offers a wide range of services in its facilities, combining large drives, computer nodes organised in aisles of racks, internal and external networking, environmental controls and operations software.
Critically, the tech giant is working towards powering all its data centres with carbon-free energy 24/7 by 2030.
2) Microsoft
Microsoft Azure is the cloud computing service of Microsoft and is the second largest cloud service provider and data centre company globally. It works with numerous companies to expand their data centre capabilities in 62 cloud regions and 120 availability zones.
Globally, Microsoft Azure has more than 200 data centre facilities that are linked together by more than 175,000 miles of fibre optic lines. Numerous companies have utilised Azure in order to expand upon their data centre transformations.
1) AWS
Continually ranked as one of the leading data centre companies, AWS continues to develop new and improved strategies to make its data centres and hyperscale facilities more sustainable.
Businesses worldwide use AWS to lower operating costs and become more digitally agile, thereby innovating faster. Its data centre infrastructure aims to help businesses build securely and create faster, aiming to establish greater trust. By working to protect a company’s critical infrastructure, AWS continues to position itself as an industry leader.
