About us
Traditional data centers hit limits. We remove them.
DayOne delivers future-ready data centers built for speed, scale and impact. Headquartered in Singapore, we provide critical digital infrastructure across Asia-Pacific and Europe, with global expansion on the horizon.
We push 
possibilities
We scale ambitions
How we work
We put customers
front and center
Anticipating needs, not just meeting them. We help customers seize the right opportunities, delivering scalable, future-ready solutions that meet and exceed expectations.
We are
stronger together
Beyond infrastructure, we build partnerships. By working closely with industry leaders across the value chain, we deliver innovative solutions that drive real impact and unlock new values.
We dare
to move differently
We move boldly because our customers do. By pioneering next-gen infrastructure and creating new digital markets, we give industry leaders the scale, speed and efficiency to keep pushing boundaries.
We are
always advancing
We never stand still. From operations to innovation, we push possibilities, advance systems and reimagine scale to unlock new performance frontiers for our customers and partners.
We lead with vision
Lim Ah Doo
Chairman
Mr Lim brings over 40 years of extensive leadership experience in the business world across the telecommunications, technology, data center, infrastructure, banking and investment sectors. He previously served as Director and Chairman of Olam Group Limited, as well as a Director of Singapore Technologies Engineering STT GDC Data Centers, EDB Investments and other listed and private companies.
He had a distinguished banking career, having held several senior positions in Morgan Grenfell (Asia), including serving as its Chairman. He was also formerly President and Vice Chairman of RGE group (formerly known as RGM). Mr. Lim obtained a bachelor’s degree in Engineering with honors from Queen Mary College, University of London, and an MBA from Cranfield School of Management.
Jamie Khoo
CEO
A strong advocate for team empowerment, Jamie is also one of few female CEOs in the data center industry, where she serves as a visible champion for women in leadership and a mentor to emerging talent. Her leadership is helping shape DayOne’s next phase of growth with purpose and precision.
From vision to velocity
Our Journey
New market entry
2021
Batam, Indonesia
Acquired land in Batam to construct new data centers at Nongsa Digital Park
Johor, Malaysia
Acquired land at Nusajaya Tech Park, Johor, to develop a data center campus
2022
Singapore
Established global headquarters in Singapore
2023
Singapore
Awarded capacity as one of four operators to develop a new data center in Singapore
2024
Tokyo, Japan
Enters Japan to build a 40MW data center campus in Tokyo, Japan
Greater Bangkok, Thailand
Enters Thailand with a landmark $1 billion investment
2025
Finland
Entered Finland with the announcement of a €1.2 billion investment in Lahti, alongside the Kouvola project
Our Journey
Fundraising
2024
Series A funding
Secured approximately USD 587 million of funding, backed by leading institutional private equity investors
Series B funding
Secured USD 1.2 billion of funding, backed by leading institutional and strategic investors, including Softbank Vision Fund, Coatue Management, Ken Griffin, and Baupost Group
2025
Mezzanine financing
Secures up to €1 billion mezzanine financing facility to accelerate Finland platform and global expansion
Syndicated green financing
Secured 15 billion ringgit ($3.6 billion) of multicurrency financing to support its green data centers in Malaysia
2026
Series C Funding
Entered into definitive agreements for over US$2.0 billion Series C equity financing, marking one of the largest private capital raises in the data center sector
Our Journey
Capacity building
2023
NTP, Johor
Launched our first Southeast Asia data center at Nusajaya Tech Park, Johor
HK1
Successful completion of customer move-in at HK1
2024
KTP, Johor
Start developing our second data center in Malaysia at Kempas Tech Park to expand capacity and support hyperscalers
2025
NDP, Batam
Nongsa Digital Park campus delivered capacity of 34MW
SG1
Breaks ground on our first data center in Singapore
CTP, Thailand
Breaks ground on hyperscale data center in Chonburi Tech Park campus
Tokyo
Breaks ground on Phase One of hyperscale Tokyo data center campus
Our Journey
Ecosystem development
2023
Joint venture with INA to augment Indonesia’s data center landscape
Formed a joint venture with Indonesia Investment Authority to propel the growth and advancement of the data center landscape in Indonesia
2024
Supply chain ecosystem
Commitment of RM1 billion in investments from our suppliers to establish integrated factories and service centers in Malaysia
Partnership with TNB to innovate green energy solutions
Signed a MOU with Tenaga Nasional Berhad (TNB), Malaysia’s largest electricity utility, to explore innovative solutions for DayOne data centers
2025
Growth partnership in Finland
Signed a Growth Partnership Agreement with the City of Lahti and regional partners, establishing a long-term collaboration to advance Lahti’s digital ecosystem, sustainability objectives, and talent development.
Water treatment plant
In partnership with JSW, we announced a water treatment plant program, capable of purifying 20 million liters of water per day.
“Our name ‘DayOne’ signifies a mindset of respecting each day as an opportunity to embrace new possibilities, create impactful solutions, and deliver value across the markets we operate in.”
Jamie Khoo, CEO
Explore our market ambitions
