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DayOne

Category: AI Infrastructure

A global hyperscale data center platform providing AI-ready, sustainable digital infrastructure across Asia-Pacific and Europe. DayOne was founded in 2022. The company is led by Jamie Khoo. Based in Singapore. Team size: 500+. Total funding raised: $5.0B+. Latest round: Series C (Jan 2026). Key investors include ["Coatue Management","Indonesia Investment Authority (INA)","SoftBank Vision Fund","The Baupost Group","Hillhouse Investment","Boyu Capital"].

Founded
2022
Headquarters
Singapore
Team size
500+
Total funding
$5.0B+

Value proposition

Delivers rapidly deployable, high-density, and sustainable data center solutions optimized for generative AI workloads in strategic global hubs.

Products and solutions

["Hyperscale Data Center Campuses","AI-Ready High-Density Colocation","Sustainable/Green Power Infrastructure Solutions","SIAL (Singapore-Johor-Batam) Regional Interconnect Platform","Edge Computing Facilities"]

Unique value

Combines the operational heritage and scale of GDS Holdings with an independent, global-first mandate, specifically targeting the 'SIJORI' (Singapore-Johor-Riau Islands) strategy to bypass land and power constraints in Singapore.

Target customer

Global hyperscalers (AWS, Google, Microsoft), cloud service providers, and large-scale AI/ML enterprises requiring high-density compute environments.

Industries served

["Artificial Intelligence & Machine Learning","Cloud Computing","Telecommunications","Financial Services","Big Data & Analytics"]

Technology advantage

Specializes in high-density liquid cooling and modular data center architecture designed specifically for next-generation GPU clusters; backed by a massive $5B+ capital base from premier global sovereign wealth and private equity funds.

How they differentiate

Specializes in AI-ready, high-density liquid cooling infrastructure and the 'SIAL' (Singapore-Johor-Batam) strategy to bypass regional power constraints.

Main competitors

["Equinix","Digital Realty","Princeton Digital Group (PDG)","AirTrunk"]

Key partnerships

["Indonesia Investment Authority (INA)","SoftBank Vision Fund","Coatue Management","The Baupost Group","Local utility and government partners in Finland (Lahti and Kouvola)"]

Notable customers

["Global Hyperscalers (AWS, Google, Microsoft)","Cloud Service Providers","Large-scale AI/ML Enterprises"]

Major milestones

["Spin-off from GDS Holdings to become an independent global entity in 2024","Secured $1.2B Series B funding in December 2024","Rebranded and launched as DayOne in January 2025","Expanded into European markets with campuses in Lahti and Kouvola, Finland","Closed $2B+ Series C funding round in January 2026","Reportedly nearing confidential US IPO filing targeting ~$20B valuation (March 2026)"]

Growth metrics

Team size of 500+ employees; Series C closed at a 100% premium valuation compared to Series B.

Market positioning

Independent hyperscale digital infrastructure platform for AI and cloud workloads.

Geographic focus

Southeast Asia (Singapore, Malaysia, Indonesia), North Asia (Japan, Hong Kong), and Europe (Finland).

Patents and IP

Proprietary modular data center designs and energy management systems (specific public filings not disclosed).

About Jamie Khoo

Jamie Khoo has over 20 years of leadership experience in digital infrastructure and finance. Prior to her appointment as CEO of DayOne, she served as the Chief Operating Officer (COO) of GDS Holdings from 2019 to 2024 and as Deputy CFO from 2014 to 2019. Her extensive background includes 13 years at ST Telemedia in various management roles across finance, accounting, and treasury, as well as positions at ABB (China), Ernst & Young, and Baker Hughes.

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