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Submer Technologies

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Immersion Cooling Solution for Data Centers

Rubí, SpainFounded 2015Energy

Valuation $500M–1B Last recorded · 2024

Revenue $100–500M Latest reported FY

Headcount 100–500 Current team size

Total funding $100–500M Disclosed equity funding

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About Submer Technologies

Submer is a pioneering company in the data center industry, specializing in advanced cooling solutions. The company offers a range of products designed to enhance the efficiency and sustainability of data centers. Their flagship products include the SmartPodX, SmartPodXL, and MicroPod, all of which utilize immersion cooling technology. This technology involves submerging electronic components in a special liquid coolant to dissipate heat more effectively than traditional air cooling methods.

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Submer serves a diverse clientele, including telecommunications companies, government agencies, financial institutions, educational and research organizations, hyperscalers (large-scale data center operators), and colocation providers (companies that offer shared data center space). The company operates in the global data center market, which is experiencing rapid growth due to increasing demand for cloud computing, AI and machine learning, blockchain, edge computing, and high-performance computing.

The business model of Submer revolves around selling its immersion cooling products and solutions to data center operators. They also offer related services such as installation, maintenance, and training through the Submer Academy. By providing these comprehensive solutions, Submer helps its clients reduce energy consumption, lower operational costs, and improve the overall sustainability of their data centers.

Submer generates revenue primarily through the sale of its immersion cooling systems and associated services. The company also collaborates with various partners and resellers worldwide to expand its market reach. Showrooms and demonstration centers in locations like the United States, United Kingdom, Spain, and the United Arab Emirates allow potential clients to experience their technology firsthand.

Source: Dealroom company data

At a glance

Status: Operational
Founded: 2015
Headquarters: Rubí, Spain
Employees: 154
Open positions: 62
Dealroom signal: 88.5/100
Sub-industry: Energy Efficiency
Sector: Energy, Cloud Infrastructure, Core AI, Sustainable Development Goals, Cooling Tech, Rumoured $1B, Climate Tech, Data Centers, Seal of Excellence EC
Technology: Artificial Intelligence, Hardware, Deep Tech
Business model: Manufacturing
Client focus: b2b
Investment activity: 1 company, latest Feb 2026
Capital deployed: —
Preferred round: ACQUISITION
Links: Website LinkedIn X

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News, research, reports and resources connected to this company by Dealroom

Funding history

7 recorded events

Company financing events and reported valuations.

Deal type	Date	Amount	Valuation	Investors	Source
DEBTDebt	Dec 2024	$22M	—	Santander Group	↗
SERIES COther financing	Oct 2024	$56M	$500M	Norrsken VC · Mundi Ventures · Planet First Partners · M&G	↗

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Financials

Revenue, earnings and profit over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

Year	Revenue	Growth	EBITDA	Margin
2026
2025
2024
2023
2022
2021
2020		—

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Growth signals

Submer Technologies website traffic

Latest recorded traffic for Submer Technologies is 34K monthly website visits, up 25.9% over the last three months. Submer Technologies's team grew 6.2% over the past year.

Latest monthly visits34K 3-month web change+25.9% 1-year team growth+6.2%

Monthly website visitsDec 2016–Jul 2026

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Open positions

Openings linked to this company in Dealroom

Global Communications & PR DirectorLondon, England, United Kingdom · Marketing & Communication · Aug 25, 2026 Technical Program Manager — Data Center Delivery USAGreater Houston · Data Science & Engineering · Aug 17, 2026 Senior Brand & Integrated Marketing ManagerPlaça de l'Esbart Dansaire de Rubí, Rubí, Vallès Occidental, Barcelona, Catalonia, 08191, Spain · Marketing & Communication · Aug 13, 2026 Junior Electrical Engineer ( Data Centre)Greater Kolkata Area · Data Science & Engineering · Aug 12, 2026 AI Infrastructure Solutions ArchitectGreater Kolkata Area · Backend Development · Aug 10, 2026 NOC Support AnalystKuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia · CSM & Support · Aug 7, 2026 Staff Network Engineer (AI Fabric, Datacenter and Edge Networking) - Radian Arc (EMEA)Europe · Data Science & Engineering · Jul 25, 2026 Staff Storage Platform Engineer (AI Storage) - Radian ArcEurope · Backend Development · Jul 24, 2026

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