1&1 internet ag (ionos)
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.
- Company typePrivate
- Founded1988
- HeadquartersMontabaur, Germany
- Headcount—
- GTM typeB2B and B2C
- OfferingServices
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).
1&1 internet ag (ionos) firmographics
Firmographics- 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
1&1 internet ag (ionos) industry classification
Industry- 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
Where 1&1 internet ag (ionos) is headquartered
LocationHeadquarters
- HQ city
- Montabaur
- HQ country
- Germany
- HQ region
- Europe
Offices1 record
Markets served
1&1 internet ag (ionos) business model
Business model- GTM type
- B2B and B2C
- Offering type
- Services
- Cost components
- Infrastructure, Technology or R&D, Operations, Personnel, Marketing or Sales
Revenue model
- 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.
- Internet Access (DSL/Fiber): Recurring monthly subscription revenue from DSL and fiber optic internet connections for residential and business customers.
- 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.
- TV Services (1&1 TV / 1&1 Cinema): Subscription revenue from IPTV and video-on-demand streaming services.
- 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
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | DSL broadband internet — starting price |
| Subscription | Monthly | Fiber optic (Glasfaser) broadband internet — starting price |
| Subscription | Monthly | Mobile — All-Net-Flat tariff tier |
| Subscription | Monthly | Mobile — Unlimited tariff |
| Subscription | Monthly | Data-only flat (Daten-Flat) |
| Subscription | Monthly | Tablet/laptop with data flat bundle |
| Subscription | Monthly | Special tariff programs |
| Subscription | Monthly | 1&1 TV standalone |
Go-to-market motion1 record
Distribution channels7 records
Marketing channels8 records
1&1 internet ag (ionos) product offering
Product offeringCore 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
Companies that use 1&1 internet ag (ionos)
Customer profileSegments2 records
Ideal customer profiles3 records
1&1 internet ag (ionos) technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
1&1 internet ag (ionos) partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered minor and core.
- InterzerominorInterzero 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)minorAWIN 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)core1&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)minor1&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)coreIONOS (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
1&1 internet ag (ionos) competitors and assessment
Company assessmentDirect 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
1&1 internet ag (ionos) social profiles
Digital presence1&1 internet ag (ionos) financial estimates
Financial estimateRevenue estimate
Valuation estimate
1&1 internet ag (ionos) leadership team
Management profileNumber of profiles
1&1 internet ag (ionos) funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
1&1 internet ag (ionos) M&A and investment
M&A and investmentM&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)
What does 1&1 internet ag (ionos) do?
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.
Is 1&1 internet ag (ionos) a public or private company?
1&1 internet ag (ionos) is a private company. It is classified as corporate owned and is currently operating.
When was 1&1 internet ag (ionos) founded?
1&1 internet ag (ionos) was founded in 1988.
Where is 1&1 internet ag (ionos) based?
1&1 internet ag (ionos) is headquartered in Montabaur, Germany, in the Europe region.
How does 1&1 internet ag (ionos) make money?
Five revenue lines are on record. Mobile Subscription Services are the primary driver. The others are internet Access (DSL/Fiber), device Hardware Sales, TV Services (1&1 TV / 1&1 Cinema) and domain & Web Hosting (via IONOS).
Who are 1&1 internet ag (ionos)'s main competitors?
Direct peers on record are Drillisch (1&1 group), Vodafone Germany, Freenet AG, PYUR (Tele Columbus), Congstar and O2 Telefónica Germany. Regional players are 1&1 Versatel and M-net Telekommunikations. Deutsche Telekom is listed as a broad incumbent. Sipgate is listed as an emerging player.
Does 1&1 internet ag (ionos) have an API?
No public API is recorded for 1&1 internet ag (ionos).
What industry is 1&1 internet ag (ionos) in?
1&1 internet ag (ionos)'s product category is Telecommunications Services. Its primary akta.pro industry code is HDAIABAI, Business/Enterprise Fixed Connectivity Providers (SME/Enterprise Broadband). Its NAICS code is 51711 and its SIC code is 4813.