1&1

Montabaur, Germany Founded: 1988 • Age: 38 yrs Listed Acquired By Drillisch
Mobile and broadband solutions are provided by 11 in Germany.

About 1&1

1&1 is a Telecommunications company based in Montabaur (Germany) founded in 1988 by Ralph Dommermuth, and was acquired by Drillisch in September 2017. Mobile and broadband solutions are provided by 11 in Germany. It operates on a Subscription Services and Direct-to-Consumer (D2C) model. 1&1 has completed 1 acquisition, including Arsys. Its chief executive, as recorded, is Ralph Dommermuth. Its website 1und1.de draws about 11.8 million monthly visits. 1&1 offers products and services including 1&1 Glasfaser, 1&1 DSL, 1&1 Mobilfunk, 1&1 TV, and 1&1 Smartphones. Its focus areas include Internet Service Providers, Broadband Services, Mobile Operators and Mobile Network Services. Its legal entity is 1&1 Telecom GmbH.

Company details

Internet and mobile communication services are offered by 11 across Germany. High-speed fiber optic and DSL connections are provided for residential and business customers. Mobile phone tariffs, including unlimited data plans, are made available alongside hardware like smartphones and laptops. Entertainment solutions such as 11 TV and Cinema are included in the portfolio. The company caters to various sectors, ensuring connectivity through advanced technology and comprehensive customer support services.

  • Headquarters Montabaur, Germany
  • Founders Ralph Dommermuth
  • Stage Acquired
  • Sectors
    Telecommunications
  • Website category Computers Electronics and Technology · Telecommunications
  • Email
    β€’β€’β€’β€’β€’β€’β€’β€’
  • Phone
    β€’β€’β€’β€’ β€’β€’β€’β€’
  • Website 1und1.de
  • Social LinkedIn X Facebook Instagram YouTube
  • Acquired by Drillisch (Sep 2017)
  • Legal Name 1&1 Telecom Gmbh
Key Metrics

Products & Services of 1&1

1&1 offers a comprehensive portfolio of products and services, including 1&1 Glasfaser, 1&1 DSL, 1&1 Mobilfunk, 1&1 TV, and 1&1 Smartphones.

1&1 Glasfaser
Internet Services

High-speed fiber optic internet is provided for users.

1&1 DSL
Internet Services

DSL internet connections are offered at various speeds.

1&1 Mobilfunk
Mobile Services

Mobile phone tariffs and plans are made available.

1&1 TV
Entertainment

Television services are delivered with internet options.

1&1 Smartphones
Hardware

Smartphones are sold with bundled mobile plans.

Apps and channels of 1&1

its YouTube channel 1&1 has 4.52K subscribers and 30 videos.

1&1
YouTube 4.52K subscribers 30 videos Science & Technology
Open channel

Videos from 1&1

The most watched videos on 1&1's YouTube channel, 1&1 (4.52K subscribers). Click a video to play it here.

Schnell-Start: 1&1 HomeServer DSL
12.6K views
1&1 TV-Box einrichten
8.7K views
Schnell-Start: 1&1 HomeServer Glasfaser
1.6K views
E-Mail einrichten und nutzen
1.2K views

More on 1&1.

Funding Insights of 1&1

  • Total Rounds 1
  • Last Round Grant β€” $48,752
  • First Round $48,752

    (Jan 2023)

  • Investors Count 1

All 1 funding rounds of 11 with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Jan 2023$48,752Grant––
Valuation history

2 investors in total: 2 institutional.

Investors in 1&1

1&1 has secured backing from 2 investors, including institutional investors. Prominent investors backing the company include European Union and Drillisch.

All
Institutional
InvestorDescriptionFounded YearDomainLocation
Government entites focused on freedom, democracy, equality and the rule of law, promoting peace and stability
1958europa.euBrussels, Belgium
Wireless, MVNO, and software services are provided in Germany.
1992drillisch.deMaintal, Germany
Premium access

Investor details for 11

The complete investor list, round-by-round participation and investor portfolios require an active premium plan.

  • Complete investor list
  • Round participation
  • Investor portfolios
  • Co-investor network

Verified entity values are shown only after access is granted.

People of 1&1

2 people are tracked at 1&1 (2 in leadership).

NameRoleGroup
Ralph Dommermuth
Founder & CEOLeadership
Eric Tholome
CEOLeadership
Premium access

Complete people profiles for 1&1

Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.

  • Full employee list
  • Team structure
  • Board tenure
  • Professional contacts

Verified entity values are shown only after access is granted.

Investments & Acquisitions by 1&1

1&1 has strategically engaged in corporate development activities, having acquired 1 company. Notable acquisitions include Arsys.

Acquisitions
Company NameDescriptionDomainLocationFoundedAcquiredAmount
Internet and cloud solutions are provided by Arsys for businesses.
arsys.esLogrono, Spain1996Aug 2013$186.54M
Premium access

Complete acquisition details for 11

Acquired stakes, deal sources and the complete acquisition history require an active premium plan.

  • Acquired stakes
  • Deal sources
  • Complete history
  • Exports

Verified entity values are shown only after access is granted.

Timeline of 1&1

5 dated milestones of 1&1 across 35 years, from founding to its latest funding, stage changes and deals.

  1. Founded 1&1 is founded.
  2. IPO Lists on the stock exchange (IPO).
  3. Acquisition Acquires Arsys.
  4. Exit Acquired by Drillisch.
  5. Funding First funding round of $49K.

Web traffic of 1&1

The website of 1&1 (1und1.de) receives about 11.8M visits a month and ranks #3,811 among all websites worldwide, #569 in Telecommunications.

  • Monthly visits
    11.8M
  • Unique visitors
    2.8M

    per month

  • Global rank
    #3,811

    among all websites

  • Category rank
    #569

    Computers Electronics and Technology · Telecommunications

Similar websites

Websites whose visitors overlap most with 1&1. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
telekom.de
telekom.de
100%
#1,690–
o2online.de
96%
#3,416View details
vodafone.de
95%
30.6M#1,255View details
freenet-mobilfunk.de
freenet-mobilfunk.de
69%
#12,831–
congstar.de
62%
2.7M#14,523View details
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
Premium access

All 40 similar websites and full traffic analytics for 1&1

The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.

  • 40 similar websites
  • Audience overlap
  • Engagement analytics
  • Traffic by brand

Verified entity values are shown only after access is granted.

Upgrade to premium

Unlock complete access to The Company Check

Get unrestricted viewing across everything we track β€” from companies and brands to investors, funding rounds, acquisitions, financials, and more.

Upgrade to Premium No viewing limits. Your plan controls exports and screening usage.
Included in your Premium account
  • βœ“
    Unlimited viewing on all profiles Companies, investors, financials, funding, acquisitions & directors
  • βœ“
    Full access to every database India & global coverage, advanced filters and rich profile details
  • βœ“
    Always-on access from your team account Single premium plan for everything you see on the portal

Related news about 1&1

Premium access

Complete news archive for 11

Full article history, source details, and older brand coverage require an active premium plan.

  • Full article archive
  • Source and publication date
  • Older coverage
  • Brand-specific news history

Verified entity values are shown only after access is granted.

Frequently Asked Questions about 1&1

1&1 was founded in 1988 and raised its 1st funding round 35 years after it was founded.

1&1 is headquartered in Montabaur, Germany. It is registered at Montabaur, Rheinland-pfalz, Germany.

Ralph Dommermuth is the CEO of 1&1, as recorded in our data. They have also founded this company.

Internet and mobile communication services are offered by 11 across Germany. High-speed fiber optic and DSL connections are provided for residential and business customers. Mobile phone tariffs, including unlimited data plans, are made available alongside hardware like smartphones and laptops. Entertainment solutions such as 11 TV and Cinema are included in the portfolio. The company caters to various sectors, ensuring connectivity through advanced technology and comprehensive customer support services.

1&1 offers 1&1 Glasfaser, 1&1 DSL, 1&1 Mobilfunk, 1&1 TV, and 1&1 Smartphones.

1&1 has made 1 acquisition, including Arsys.

1&1 has 2 investors. Key investors include European Union, and Drillisch.

1&1 operates through 1&1 Telecom Gmbh.

Yes. 1&1 was acquired by Drillisch in September 2017.

The website of 1&1 receives about 11.8 million visits a month and ranks #3,811 among all websites worldwide.

Explore millions of companies β€” effortlessly

Access structured, verified intelligence on 7M+ companies across industries, sectors, and global markets. From early-stage startups to large enterprises, discover ownership, leadership, funding, financials, acquisitions, and market signals β€” all in one powerful platform.

Free account with essential features Instant access to company reports Enterprise solutions available