1&1 internet ag (ionos)

What 1&1 internet ag (ionos) does

1&1 Internet AG operates the 1&1 consumer telecom brand in Germany, delivering mobile voice/data (5G/LTE), DSL and fiber (Glasfaser/FTTH) broadband, IPTV (1&1 TV, 1&1 Cinema), and bundled smartphones, tablets, and laptops to an estimated ~14 million residential and small-business customers. The company runs its own 5G mobile network infrastructure — rated 'SEHR GUT' in the connect Netztest (November 2025) — alongside DSL and fiber connections up to 1,000+ Mbit/s, supported by the 1&1 Control-Center app (rated 'Überragend' by connect in 2025), the 1&1 Service Card program with 30-day satisfaction guarantee, priority 24/7 hotline, and 24-hour device replacement, plus free provider-switching assistance. The portfolio is rounded out with eSIM support, smart home devices, and refurbished smartphones.

Revenue is generated primarily through recurring monthly subscriptions across mobile tariffs (All-Net-Flat with 10/50/150 GB options, Unlimited on-demand, Daten-Flat from €4.99/month), DSL (from €29.99/month) and fiber (from €34.99/month) broadband, IPTV, and one-time device hardware sales. Customer segments include Privatkunden (consumer/residential, with sub-segments for young customers under 29, families, and children) and Geschäftskunden (small businesses, freelancers, and firms) served via a multi-channel go-to-market combining owned e-commerce (1und1.de, mobile.1und1.de, dsl.1und1.de), enterprise field sales, inside sales hotline, the 1&1 Premium-Partner/Partner channel for IT and telecom specialist dealers, the Profiseller individual referral program, and the AWIN affiliate network.

Through sister brand IONOS (formerly 1&1 Internet AG), the company extends its footprint into domain registration, web hosting, the IONOS Homepage-Baukasten, WordPress and WooCommerce hosting, Microsoft 365, Microsoft Exchange, Google Workspace, HiDrive cloud storage, cloud servers, virtual private servers, dedicated servers, Compute Engine, and Managed Kubernetes — marketed as Europe's sovereign cloud platform. IONOS also offers the AI-powered KI-Telefonassistent. 1&1 is a brand within United Internet AG, a publicly listed German conglomerate headquartered in Montabaur, Germany (founded 1988).

Name

1&1 internet ag (ionos)

Legal name

1&1 Telecommunication SE

Website

https://1und1.com

Company type

Private

Founded year

1988

Operating status

Operating

Short description

1&1 is a major German telecommunications provider delivering mobile (5G/LTE), DSL, fiber, and IPTV services to roughly 14 million consumer and small-business customers, with sister brand IONOS extending the portfolio into domains, web hosting, and sovereign European cloud infrastructure.

Ownership category

akta.pro rank

Product category

Telecommunications Services

NAICS

Wired and Wireless Telecommunications Carriers (except Satellite) (51711), Wired and Wireless Telecommunications (except Satellite) (5171), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182), Telecommunications (517)

SIC

Telephone Communications (No Radiotelephone) (4813), Communications Services, Nec (4899), Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro primary industry

Business/Enterprise Fixed Connectivity Providers (SME/Enterprise Broadband) (HDAIABAI)

Keywords

• Mobile telecommunications services
• Broadband internet access
• Fiber optic internet
• Web hosting services
• Cloud infrastructure

Headquarters

HQ city

Montabaur

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Infrastructure, Technology or R&D, Operations, Personnel, Marketing or Sales

Revenue model

1. Mobile Subscription Services: Recurring monthly subscription revenue from mobile voice and data plans (All-Net-Flat, Unlimited, data-only tariffs). Sold with or without device hardware bundling.
2. Internet Access (DSL/Fiber): Recurring monthly subscription revenue from DSL and fiber optic internet connections for residential and business customers.
3. Device Hardware Sales: One-time revenue from sale of smartphones (Samsung, Apple iPhone, Google Pixel, Xiaomi), tablets (iPad, Samsung Galaxy Tab), and laptops (MacBook, Samsung Galaxy Book, ASUS ROG) bundled with service tariffs.
4. TV Services (1&1 TV / 1&1 Cinema): Subscription revenue from IPTV and video-on-demand streaming services.
5. Domain & Web Hosting (via IONOS): Revenue from sister company IONOS (formerly 1&1 Internet AG) covering domain registration, web hosting, cloud servers, Microsoft Exchange, Microsoft 365, Google Workspace, SSL certificates, WordPress hosting, and online shop solutions.

Pricing tiers

Go-to-market motion1 record

Distribution channels7 records

Marketing channels8 records

Core offering

1&1 is a German telecommunications provider offering mobile (5G/LTE), DSL, and fiber optic (Glasfaser) internet services to residential and business customers, alongside smartphones, tablets, laptops, and IPTV. Through its sister company IONOS, it also provides domain registration, web hosting, cloud servers, managed Kubernetes, productivity suites (Microsoft 365, Google Workspace), and AI solutions. Customers can purchase bundled device-plus-service tariffs or standalone subscriptions.

Product overview

1&1 internet ag is a German telecommunications company offering a comprehensive portfolio of consumer and business services. The core offering includes DSL and fiber optic (Glasfaser) internet access for home users, mobile tariffs (Mobilfunk) with All-Net-Flat and unlimited data options, and mobile devices (smartphones, laptops, tablets) sold with service contracts. Premium customer service is delivered through the 1&1 Service Card, which includes a 30-day trial guarantee, priority hotline, and 24-hour device replacement. The company also provides IPTV television services via 1&1 TV and the 1&1 Cinema video-on-demand platform. Through its sister company IONOS (formerly 1&1 Internet AG), 1&1 extends its portfolio to include domain registration, web hosting (Linux and Windows), the Homepage-Baukasten website builder, WordPress and WooCommerce hosting, Microsoft Exchange and Microsoft 365/Google Workspace productivity solutions, HiDrive cloud storage, and enterprise infrastructure (Cloud Servers, VPS, Dedicated Servers, Compute Engine, and Managed Kubernetes). IONOS also offers AI-powered solutions including the KI-Telefonassistent (AI telephone assistant). The product ecosystem is designed to serve both retail consumers seeking connectivity and businesses requiring digital infrastructure and online presence solutions.

Differentiator

Problem solved

Functional benefit

Brands

• 1&1 Control-Center: Customer self-service portal for managing 1&1 accounts, contracts, and services.
• 1&1 Service Card

Products and services

• 1&1 DSL DSL internet access service providing connectivity via telephone lines for residential and business customers in Germany, with options including DSL Flex (short-term cancelable) and DSL for young people.
• 1&1 Glasfaser (Fiber) Fiber optic internet service offering high-speed broadband connectivity with FTTB/FTTH connections up to 1,000+ Mbit/s download for residential and business customers.
• 1&1 Mobilfunk (Mobile Service) Mobile telecommunications service over 1&1's 5G/LTE network offering smartphone tariffs, mobile internet sticks, and mobile WLAN routers, available with or without device contracts in Germany.
• 1&1 TV / IPTV IPTV service delivered via internet connection offering live TV channels, HDTV packages, and access to the 1&1 Cinema video-on-demand platform for residential customers.
• 1&1 Cinema Online video-on-demand streaming library offering premium blockbusters and movies bundled with select 1&1 DSL and TV packages.
• IONOS Domain & Webhosting

Quantifiable outcome

• 1&1 mobile network rated 'SEHR GUT' (over 910 points) in connect Netztest Sonderbetrachtung, November 2025
• +11 more outcomes

Segments2 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Five partnerships are on record, tiered minor and core.

• InterzerominorImplementation/ SI/ Consulting PartnerInterzero serves as 1&1's waste management and recycling partner for the disposal of old electrical devices, batteries, and electronics. Customers can return old devices at Interzero collection points within 6 weeks of purchasing a new device from 1&1. The service is free for customers. Interzero manages compliance with European WEEE and ElektroG regulations for 1&1.
• AWIN (Affiliate Publisher Network)minorChannel Partner/ Reseller/ DistributorAWIN hosts the 1&1 Telecommunication affiliate publisher program. Third-party publishers (affiliates) can create accounts via AWIN to market 1&1 DSL and mobile products and earn commissions on referred customers. This is 1&1's digital affiliate/performance marketing channel.
• 1&1 Partner / Premium-Partner (IT & Telecom Specialist Dealers)coreChannel Partner/ Reseller/ Distributor1&1 Partner is a commercial partner program for businesses reselling 1&1 products, offering attractive commissions plus volume-based tiering from the second referral onward, a personal account manager, technical support, free marketing materials, and an individual online shop. 1&1 Premium-Partner is an exclusive program for IT and telecom specialist dealers, providing professional POS equipment, personal consulting, and attractive bonus models.
• 1&1 Profiseller (Individual Referrers)minorChannel Partner/ Reseller/ Distributor1&1 Profiseller is a side-income referral program for private individuals who recommend 1&1 products to friends and acquaintances. Referrers earn top commissions without obligations. Regular promotional campaigns provide additional earning opportunities.
• IONOS (Sister Company)coreGTM or Marketing PartnerIONOS (formerly 1&1 Internet AG) operates as 1&1's sister brand and provider of domain registration, web hosting, cloud servers, managed Kubernetes, email solutions (Microsoft Exchange, Microsoft 365, Google Workspace), SSL certificates, WordPress hosting, online shop solutions, and AI applications (IONOS Momentum KI-Telefonassistent). 1&1 promotes IONOS hosting and cloud services on 1und1.de, directing customers seeking domain, website, and cloud services to ionos.de. This is a key cross-selling and bundling arrangement within the United Internet Group.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Drillisch (1&1 group): Mobile reseller subsidiary within United Internet AG that complements 1&1's mobile portfolio with discount brands such as WinSIM, PremiumSIM and simplytel.
• Vodafone Germany: Major German mobile and cable/broadband provider competing head-to-head with 1&1 on mobile tariffs, DSL/cable broadband, and converged offerings for both consumer and business customers.
• Freenet AG: German mobile services reseller and virtual operator offering its own tariff brands and content bundles. Direct competitor in the mobile reseller/SIM-only segment where 1&1 also competes.
• PYUR (Tele Columbus): German cable TV and broadband provider offering triple-play bundles (TV, internet, phone) that overlap with 1&1's IPTV, broadband and converged offerings.
• Congstar: Deutsche Telekom's discount mobile brand targeting price-sensitive consumers with mobile and DSL tariffs. Competes directly with 1&1's All-Net-Flat and DSL offerings on price and bundling.
• O2 Telefónica Germany: Third major German mobile network operator and a direct competitor to 1&1's mobile and fixed-line offerings, with overlapping consumer and SMB target segments.

Regional players

• 1&1 Versatel: B2B-focused fiber and fixed-network operator under the same United Internet group; comparable technology stack and customer overlap with 1&1's business (Geschäftskunden) segment.
• M-net Telekommunikations: Regional Bavarian fiber and fixed-line operator offering DSL/fiber and business connectivity. Comparable fixed-line technology and SMB customer focus, though geographically concentrated in southern Germany.

Broad incumbents

• Deutsche Telekom: Germany's incumbent fixed and mobile operator with T-Mobile, MagentaTV and a dominant fiber position. Most direct competitor to 1&1 across both mobile and broadband, with much larger scale and network footprint.

Emerging players

• Sipgate: German VoIP and cloud telephony provider for SMBs and prosumer customers. Overlaps with 1&1's business communications and IP-based voice offerings.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/1und1
• YouTubeyoutube.com/user/1und1
• Facebookfacebook.com/1und1
• LinkedInlinkedin.com/company/1und1de
• Instagraminstagram.com/1und1

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about 1&1 internet ag (ionos)