Mersen

Tokyo, Japan Founded: 1891 • Age: 135 yrs Listed
Electrical power and advanced materials are supplied to multiple industries.

About Mersen

Mersen is a publicly listed company based in Tokyo (Japan) founded in 1891. It operates as an electrical power and advanced materials are supplied to multiple industries. The company has 7,470 employees. Mersen has completed 6 acquisitions, including Advanced Graphite Materials Italy, Fusetech and GAB Neumann. Its chief executive is Luc Themelin. Its website mersen.com draws about 144 thousand monthly visits. Mersen offers products and services including Electrical Power Solutions and Advanced Materials. Its focus areas include Industrial Goods and Manufacturing and Manufacturing Services.

Company details

Mersen was founded in 1891 and operates as a manufacturer and supplier of electrical power components and advanced materials. These products serve sectors including electronics, transportation, and energy. Operations are centered in Tokyo, Japan, with global reach to support industrial applications. Leadership is provided by CEO Luc Themelin, overseeing production and distribution processes.

  • Headquarters Tokyo, Japan
  • Employees 7,470
  • Stage Public
  • Sectors
    Industrial Goods & Manufacturing
  • Website category Computers Electronics and Technology · Consumer Electronics
  • Email
    ••••••••
  • Phone
    •••• ••••
  • Website us.mersen.com/en
  • Social LinkedIn X Facebook Instagram YouTube
  • Legal Name Mersen Sa
Key Metrics
  • Annual Revenue
    $1.4 B (USD)
    -4.6
    as on Dec 31, 2025
  • Net Profit
    $16.57 M (USD)
    -76.1
    as on Dec 31, 2025
  • EBITDA
    $228.07 M (USD)
    -6.59
    as on Dec 31, 2025
  • Latest Funding Round
    $230.6K (USD), Grant

    Feb 2021

  • Investors
  • Employee Count
    7,470
  • Investments & Acquisitions

Products & Services of Mersen

Mersen offers a comprehensive portfolio of products and services, including Electrical Power Solutions and Advanced Materials.

Electrical Power Solutions
Power Management

Electrical power solutions are developed for applications in high-tech industries to address technological needs.

Advanced Materials
Materials Technology

Advanced materials are provided for sectors like graphite anticorrosion equipment and high-temperature solutions.

Apps and channels of Mersen

its YouTube channel Mersen has 1.34K subscribers and 30 videos.

Mersen
YouTube 1.34K subscribers 30 videos Nonprofits & Activism
Open channel

Videos from Mersen

The most watched videos on Mersen's YouTube channel, Mersen (1.34K subscribers). Click a video to play it here.

Präsentation von Mersen Hittisau in Österreich
1.5K views
How does a graphite heat exchanger work?
674 views
Mersen Employee Testimonial:Kristin, team leader in the soldering and printing department in Husum.
337 views
How is a graphite block heat exchanger manufactured?
252 views

More on Mersen.

Funding Insights of Mersen

  • Total Rounds 1
  • Last Round Grant — $230,597
  • First Round $230,597

    (Feb 2021)

  • Investors Count 1

All 1 funding rounds of Mersen with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Feb 2021$230,597Grant––
Valuation history

1 investors in total: 1 institutional.

Investors in Mersen

Mersen has secured backing from 1 investor, including institutional investors. Prominent investors backing the company include European Union.

All
Institutional
InvestorDescriptionFounded YearDomainLocation
Government entites focused on freedom, democracy, equality and the rule of law, promoting peace and stability
1958europa.euBrussels, Belgium
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Investor details for Mersen

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People of Mersen

1 people are tracked at Mersen (1 in leadership); the tracked headcount is 7,470.

NameRoleGroup
Luc Themelin
CEOLeadership
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IPO & Listings of Mersen

Mersen is a publicly listed company on the EURONEXT with ticker symbol MRN in France, operating in the Producer manufacturing sector. As a publicly traded entity, the company provides investors with opportunities to participate in its growth story through equity ownership. The listing enables access to capital markets, enhances corporate visibility, and provides liquidity for shareholders while maintaining transparency through regulatory compliance and regular financial disclosures.

  • IPO date28 May 2010
  • Listed onEuronext: MRN
  • Listed entityMersen SA
  • Exchange sectorProducer manufacturing
  • ISINFR0000039620
  • Share price41.40 EUR (+2.73% on the day) · 2026-10-14
  • Market capitalisation981,927,536.00 EUR
  • Price to earnings67.8
  • EPS (diluted, trailing year)0.61 EUR
  • Dividend yield2.21%
  • Volume (last session)4,587

Financials of Mersen

Exchange-reported annual figures
YearRevenueNet incomeEBITDA
20251.19B EUR14.1M EUR194.1M EUR
20241.24B EUR59.0M EUR207.8M EUR
20231.21B EUR81.6M EUR206.2M EUR
20221.11B EUR67.6M EUR189.7M EUR
2021922.8M EUR54.4M EUR150.1M EUR
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Detailed financial statements for Mersen

Statement rows, ratios, five-year trends and downloadable financials of the group companies require an active premium plan.

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Investments & Acquisitions by Mersen

Mersen has strategically engaged in corporate development activities, having acquired 6 companies. Notable acquisitions include Advanced Graphite Materials Italy, Fusetech and GAB Neumann.

Acquisitions
Company NameDescriptionDomainLocationFoundedAcquiredAmount
Graphite and carbon materials are precision machined for industrial applications.
graphitemachininginc.comEmmaus, United States1973Jul 2024••••
Fuses and fuse accessories are manufactured by Fusetech.
fusetech.huKaposvar, Hungary2007Feb 2021••••
Manufacturer of graphite and carbon fiber insulation equipment
agmitaly.comBrescia, Italy1920Dec 2019$11.04M
Manufacturer of Graphite Heat Exchangers and Silicon Carbide Heat Exchangers for ultra-corrosive applications
gab-neumann.comMaulburg, Germany1965Dec 2019••••
Bus bar design and manufacturing services are provided by Idealec.
idealec.com–2005Apr 2018••••
Fuse and circuit protection devices are manufactured for electrical safety.
mingrong.comWenzhou, China1981Jul 2008••••
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Complete acquisition details for Mersen

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Timeline of Mersen

9 dated milestones of Mersen across 133 years, from founding to its latest funding, stage changes and deals.

  1. Founded Mersen is founded.
  2. Acquisition Acquires Zhejiang Mingrong Electrical Protection.
  3. IPO Lists on the stock exchange (IPO).
  4. Acquisition Acquires Idealec.
  5. Acquisition Acquires GAB Neumann.
  6. Acquisition Acquires Advanced Graphite Materials Italy.
  7. Funding First funding round of $231K.
  8. Acquisition Acquires Fusetech.
  9. Acquisition Acquires Graphite Machining.

Web traffic of Mersen

The website of Mersen (mersen.com) receives about 143.9K visits a month and ranks #276,197 among all websites worldwide, #2,512 in Consumer Electronics.

  • Monthly visits
    143.9K

    ▲ 5.3% vs previous month

  • Unique visitors
    53.4K

    per month

  • Global rank
    #276,197

    among all websites

  • Category rank
    #2,512

    Computers Electronics and Technology · Consumer Electronics

Similar websites

Websites whose visitors overlap most with Mersen. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
helwigcarbon.com
helwigcarbon.com
100%
–#2,340,556–
honeywell.com
97%
3.4M#15,999View details
appliedmaterials.com
97%
525.4K#98,802View details
nvent.com
87%
467.2K#104,556View details
mc-mc.com
87%
–#254,390View details
••••••••••••••••.com••%•.•M#•••••–
••••••••••••••••.com••%•.•M#•••••–
••••••••••••••••.com••%•.•M#•••••–
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Top companies in Contract & Outsourced Manufacturing

10 companies that operate in the same segment as Mersen (Contract & Outsourced Manufacturing), ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Designer and producer of intelligent products, automotive electronics manufacturing, and logistics services
1969San Jose, California, United States–USD 27.91 B147,980
Electronic products and components are manufactured globally by Foxconn.
1974Taipei, Taiwan––12,716
Industrial components, mould bases, and storage solutions are manufactured globally.
1986Coimbatore, Tamil Nadu, IndiaUSD 28 MUSD 853.09 M3,060
Automotive components are manufactured and supplied to OEMs.
1957Aurora, Ontario, Canada–USD 42.92 B170,000
Single- and three-phase transformers are manufactured in Mumbai.
1993Mumbai, Maharashtra, India–USD 114.37 M618
Equipment and parts for HVAC/R industry are supplied.
1956Miami, Florida, United States–USD 7.24 B7,290
Smart hardware and vehicle electronics are manufactured on contract.
2005Pudong, Shanghai, ChinaUSD 431.15 MUSD 24.45 B1,982
Clas Ohlson was founded in 1918 in Insjön, Sweden.
1918Insjon, Dalarna, Sweden–USD 1.35 B–
Application-oriented research is conducted in bioeconomy, AI, and climate technologies.
1949Darmstadt, Hesse, GermanyUSD 23.27 M––
Apparel and clothing are manufactured and exported on contract.
1979Bengaluru, Karnataka, India–USD 400 M40,280
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Related news about Mersen

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Frequently Asked Questions about Mersen

Mersen was founded in 1891 and raised its 1st funding round 130 years after it was founded.

Mersen is headquartered in Tokyo, Japan. It is registered at Tokyo, Tokyo, Japan.

Luc Themelin is the current CEO of Mersen.

Mersen has 7,470 employees.

Annual revenue of Mersen is $1.4B as on Dec 31, 2025.

Mersen was founded in 1891 and operates as a manufacturer and supplier of electrical power components and advanced materials. These products serve sectors including electronics, transportation, and energy. Operations are centered in Tokyo, Japan, with global reach to support industrial applications. Leadership is provided by CEO Luc Themelin, overseeing production and distribution processes.

Mersen offers Electrical Power Solutions and Advanced Materials.

Yes, Mersen is publicly traded on EURONEXT under the ticker symbol MRN.

Mersen has made 6 acquisitions, including Advanced Graphite Materials Italy, Fusetech, and GAB Neumann.

Mersen has 1 investor. Key investors include European Union.

Mersen operates through Mersen.

The website of Mersen receives about 144 thousand visits a month and ranks #276,197 among all websites worldwide.

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