GMX
GMX is a freemium consumer and SMB webmail service operated by 1&1 Mail & Media GmbH (United Internet AG subsidiary), offering free email plus integrated cloud storage, online office, and security tools, monetized through advertising and premium upgrades.
- Company typePrivate
- Founded1998
- HeadquartersWayne, United States
- Headcount1,001–5,000
- GTM typeB2C
- OfferingSoftware
What GMX does
GMX is a free consumer and small-business webmail service operated by 1&1 Mail & Media GmbH, a wholly-owned subsidiary of United Internet AG, a publicly listed German internet conglomerate also owning the 1&1 and Web.com brands. The platform serves individual users and SMEs globally with a primary footprint in the DACH region, distributing entirely through self-serve webmail at gmx.com and native iOS/Android applications. Founded in 1998, GMX operates ISO 50001-certified data centers in Germany running on 100% renewable energy.
The core product is the GMX Email service, built on a Linux-based web hosting infrastructure and offering 50MB attachments, near-unlimited storage, support for up to 10 alias addresses per account, and aggregation of external mailboxes via Mail Collector. Around the email core GMX has assembled an integrated suite: MailCheck (browser extension for instant notifications and one-click login), 2GB cloud storage with device synchronization, an Online Office productivity suite (documents, spreadsheets, presentations), an Organizer (calendar, contacts), and a Security Suite (spam filter, antivirus, encryption, optional two-factor authentication). A free Migration Service is provided to ease onboarding from competing providers.
GMX monetizes through a freemium model: the free tier is supported by in-product advertising, while premium/paid upgrades add enhanced features, storage, and support. Specific premium pricing is not publicly disclosed. Headcount is reported at 1,001–5,000 employees and the company is currently recruiting a new chief executive officer (announced March 2026) to set strategy, restructure the organization, strengthen partnerships, and lead the next stage of expansion.
GMX firmographics
Firmographics- Name
- GMX
- Legal name
- 1&1 Mail & Media GmbH
- Website
- https://gmx.com
- Company type
- Private
- Founded year
- 1998
- Operating status
- Operating
- Headcount range
- 1,001–5,000 employees
- Short description
- GMX is a freemium consumer and SMB webmail service operated by 1&1 Mail & Media GmbH (United Internet AG subsidiary), offering free email plus integrated cloud storage, online office, and security tools, monetized through advertising and premium upgrades.
- Ownership category
- akta.pro rank
GMX industry classification
Industry- Product category
- Email Services
- NAICS
- Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518210)
- SIC
- Services-Prepackaged Software (7372), Services-Computer Programming, Data Processing, Etc. (7370)
- akta.pro primary industry
- Digital Employee Experience (DEX) & IT Experience Management (ITXM) Platforms (HDAEALAL)
- akta.pro secondary industry
- Data Security & Access Governance for Data (Entitlements/Policy Enforcement) (HDAEADAH)
Keywords
Where GMX is headquartered
LocationHeadquarters
- HQ city
- Wayne
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
GMX business model
Business model- GTM type
- B2C
- Offering type
- Software
- Cost components
- Infrastructure, Technology or R&D, Personnel, Marketing or Sales, Operations
Revenue model
- Advertising: Free email service monetized through advertising displayed to users within the platform interface
- Premium/Paid Services: Offerings beyond the free tier including enhanced features, additional storage, or premium support options
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Monthly | Free email account with core features |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels1 record
GMX product offering
Product offeringCore offering
GMX provides a free webmail service with near-unlimited email storage, 50MB attachment support, and up to ten alias addresses managed from a single inbox. The offering is bundled with a 2GB cloud storage service, a browser-based Online Office suite for documents/spreadsheets/presentations, and an integrated Security Suite (spam filter, antivirus, email encryption, optional 2FA), all accessible via webmail, iOS/Android mobile apps, and the MailCheck browser extension.
Product overview
GMX provides a comprehensive free email platform as a single unified service supplemented by integrated add-on modules. The core product is the GMX Email service, which users access via webmail or the Mail App mobile application. Supporting modules include MailCheck (browser extension), Mail Collector (multi-account management), GMX Cloud (storage and synchronization), and Online Office (productivity suite). Security is delivered through an integrated Security Suite with spam filtering, antivirus, encryption, and 2FA. Additional tools include the Organizer (calendar and contacts), Search feature, and Migration Service for account transitions.
Differentiator
Problem solved
Functional benefit
Products and services
- GMX Email
Companies that use GMX
Customer profileSegments2 records
Ideal customer profiles2 records
GMX technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
GMX partnerships and signals
Strategic signalScale indicators1 record
Recent moves5 records
Expansion highlights4 records
GMX competitors and assessment
Company assessmentBroad incumbents
- iCloud Mail (Apple): Apple's consumer email offering bundled with iCloud, iOS, and macOS. Competes for global personal email users via device default placement and ecosystem lock-in.
Direct peers
- Gmail (Google): Google's free consumer webmail service, bundled with Android, Workspace, and Google Drive. Competes head-to-head with GMX for global freemium email users and is the dominant consumer webmail incumbent.
- Outlook.com (Microsoft): Microsoft's consumer webmail service deeply integrated with Microsoft 365, Windows, and OneDrive. Competes directly with GMX for personal and SME users, leveraging the same bundled-product strategy.
- Yahoo Mail: A long-standing free consumer webmail provider with similar freemium + advertising monetization. Closely comparable to GMX in positioning, scale, and target user base.
- AOL Mail: Legacy free consumer webmail provider with similar freemium + advertising business model and historically similar target user base (personal/SME email).
Emerging players
- Fastmail: Premium paid email service targeting professionals and small teams. Comparable to GMX's premium tier in feature parity but differentiated by paid positioning and privacy stance.
- Tuta (formerly Tutanota): Germany-based encrypted email and calendar service. Directly competes with GMX in the privacy-first segment of DACH and EU consumer/SME email.
- Zoho Mail: Email service bundled into Zoho's broader SaaS productivity suite for SMEs and professionals. Comparable to GMX in targeting small businesses with integrated office and collaboration tools.
- Proton (Proton Mail): Swiss-based privacy-focused email and productivity suite with end-to-end encryption. Competes with GMX on privacy/sovereignty positioning and increasingly on bundling cloud, office, and calendar.
Regional players
- GMX (sibling: Web.de / 1&1): Web.de is the sibling DACH-focused free email brand operated by GMX's parent 1&1 Mail & Media GmbH, sharing infrastructure and product roadmap — a direct inside-group peer for benchmarking.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
GMX social profiles
Digital presenceGMX compliance and trust
Trust signalCompliance1 record
GMX financial estimates
Financial estimateRevenue estimate
Valuation estimate
GMX leadership team
Management profileNumber of profiles
Profiles7 records
GMX funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
GMX 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 GMX
What does GMX do?
GMX provides a free webmail service with near-unlimited email storage, 50MB attachment support, and up to ten alias addresses managed from a single inbox. The offering is bundled with a 2GB cloud storage service, a browser-based Online Office suite for documents/spreadsheets/presentations, and an integrated Security Suite (spam filter, antivirus, email encryption, optional 2FA), all accessible via webmail, iOS/Android mobile apps, and the MailCheck browser extension.
Is GMX a public or private company?
GMX is a private company. It is classified as corporate owned and is currently operating.
When was GMX founded?
GMX was founded in 1998. It employs 1,001 to 5,000 people.
Where is GMX based?
GMX is headquartered in Wayne, United States, in the North America region.
How does GMX make money?
Two revenue lines are on record. Advertising is the primary driver. The others are premium/Paid Services.
Who are GMX's main competitors?
iCloud Mail (Apple) is listed as a broad incumbent. Direct peers are Gmail (Google), Outlook.com (Microsoft), Yahoo Mail and AOL Mail. Emerging players are Fastmail, Tuta (formerly Tutanota), Zoho Mail and Proton (Proton Mail). GMX (sibling: Web.de / 1&1) is listed as a regional player.
Does GMX have an API?
No public API is recorded for GMX.
What industry is GMX in?
GMX's product category is Email Services. Its primary akta.pro industry code is HDAEALAL, Digital Employee Experience (DEX) & IT Experience Management (ITXM) Platforms, with a secondary code of HDAEADAH, Data Security & Access Governance for Data (Entitlements/Policy Enforcement). Its NAICS code is 5182 and its SIC code is 7372.