# DayOne

> DayOne is a Singapore-headquartered developer and operator of hyperscale data centers for cloud, internet and AI customers. Its signature move is SIJORI, a distributed regional platform linking Singapore's connectivity, Johor's land and power, and Batam's expansion capacity. The company earns primarily by developing and operating customized, high-density capacity under large customer commitments, while modular construction, advanced cooling and renewable-energy partnerships are intended to shorten delivery times and reduce operating constraints.

- **Founded:** 2022
- **Headquarters:** Singapore, Singapore
- **Team size:** Approximately 850 employees in supplied company data; LinkedIn listed 501-1,000 employees and showed more than 1,100 associated profiles in 2026.
- **Products:** Hyperscale data-center capacity, SIJORI regional platform, Modular deployment, High-efficiency cooling, Intelligent infrastructure management
- **Notable:** Created the SIJORI regional data-center strategy linking Singapore, Johor and Batam., Reported more than 1.5 GW of total bookings since inception by June 2026., Closed US$4.5 billion in Series C equity financing in June 2026.

## Products & services

- **Hyperscale data-center capacity** — Purpose-built and customized wholesale capacity with power, cooling, physical security, connectivity and operational support for large cloud, internet and AI workloads.
- **SIJORI regional platform** — A hub-and-spoke digital infrastructure corridor linking Singapore, Johor in Malaysia and Batam in Indonesia through complementary land, power and connectivity advantages.
- **Modular deployment** — Prefabricated and standardized data-center modules intended to accelerate construction, improve supply-chain control and add capacity in phases.
- **High-efficiency cooling** — Liquid-cooling and other high-density thermal systems for AI and next-generation compute, including R&D on tropical cooling with NUS.
- **Intelligent infrastructure management** — Real-time monitoring, predictive controls and operational systems designed to improve uptime and efficiency.
- **Renewable-ready infrastructure** — Facilities and power-procurement structures designed around renewable electricity, lower-carbon construction and energy and water efficiency.

## Achievements

- Created the SIJORI regional data-center strategy linking Singapore, Johor and Batam.
- Reported more than 1.5 GW of total bookings since inception by June 2026.
- Closed US$4.5 billion in Series C equity financing in June 2026.
- Reached 1,250 MW committed and 444 MW billable IT power at the end of 2025, according to GDS filings.
- Achieved LEED Platinum certification for a Johor data center in November 2024.
- Secured more than 1 GW of contracted renewable-energy supply in Malaysia in 2026.
- Expanded from Southeast Asia into Hong Kong, Tokyo, Thailand and Finland.
- Jamie Khoo was named to Forbes Asia's 2025 Power Businesswomen list; Khoo and William Huang appeared on The Tech Capital's inaugural CEO 50 list.

## Latest updates

- **2026-06** — Closed its Series C at US$4.5 billion, led by Coatue and Hillhouse with participation from INA and Achi Capital Partners.
- **2026-06** — Signed Malaysian renewable-energy contracts with TNB covering more than 1 GW of supply.
- **2026-06** — Appointed Chengkang 'CK' Yan, formerly of Hillhouse, KKR and Citi, as chief financial officer.
- **2026-03** — Announced a partnership with Cortical Labs and NUS Medicine to prototype Singapore's first major biological data center.
- **2026-01** — Announced the initial close of more than US$2 billion in Series C financing before later upsizing the round.
- **2025-12** — Secured a seven-year mezzanine financing facility of up to EUR 1 billion to support Finland and global expansion.
- **2025-08** — Announced a EUR 1.2 billion hyperscale campus investment in Lahti, marking its entry into Northern Europe.

## Links

- Website: https://dayonedc.com
- LinkedIn: https://www.linkedin.com/company/dayonedc

---

Profile page: https://yespress.io/dayone
Published by YesPress — https://yespress.io
Last updated: 2026-08-17