1&1
Source Passport
DE-T-00004-8
Issued and maintained by MJRC
- Legal name
- 1&1 AG
- Country
- Germany
- Type
- Platform or infrastructure
- Founded
- Not disclosed
- Chief executive
- Ralph Dommermuth (Chief Executive Officer; member of the Vorstand)
- Claim
- Not claimed by the organisation
- Last verified
- Not yet
0 of 5 layers verified
Transparency
Limited
2 of 7 key disclosures on record, 0 of them checked by our researchers.
- Legal name and registration number not disclosed
- Owners with influence on record, not yet checked
- Beneficial owners (the people behind the companies) on record, not yet checked
- State or public-body ownership stated not disclosed
- Revenue mix or named funders not disclosed
- Public contact address not disclosed
- Official websites and accounts not disclosed
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Needs update: this passport has not been fully verified yet.
Who is it?
Origin
Not yet verified
- Brand names Pending check
- 1&1
- winSIM
- yourfone
- Company registration number
- Not disclosed
- Registered address Pending check
- Elgendorfer Straße 57, 56410 Montabaur
- Public contact email
- Not disclosed
2 sources
- EQS-DD directors' dealings notification of 1&1 AG, 9 Jul 2025 (published via dpa-AFX/boerse-online.de), read 2026-10-20 (issuer 1&1 AG, LEI 5299003VKVDCUPSS5X23, Elgendorfer Straße 57, 56410 Montabaur; notifying party United Internet AG, closely associated with Ralph Dommermuth, position Vorstand; acquisition of shares at EUR 18.50 under United Internet's partial takeover offer, aggregate EUR 140,323,110.50, 7 Jul 2025)
- United Internet AG factsheet, as of 5 Aug 2026, read 2026-10-20 (segments '1&1', 'IONOS' and 'Mail & Media'; 1&1 brands 1&1, winSIM, yourfone; business fibre via 1&1 Versatel; 1&1 the fourth-largest mobile network operator in Germany; United Internet shareholders: Ralph Dommermuth 48.94%, treasury shares 9.98%; IONOS 63.84% held indirectly; Ralph Dommermuth CEO of United Internet since 1988)
Who stands behind it?
Control
Not yet verified
- Owners with influence Pending check
Owner Holding Owner type United Internet AG Direct Company - Beneficial owners Pending check
- On file; available on request. Request the full record
- State or public-body ownership
- Not disclosed
- Parent group Pending check
- United Internet AG (Montabaur)
3 sources
- EQS-News of United Internet AG, 16 May 2025 (reproduced by boersengefluester.de), read 2026-10-20 (United Internet holds around 80.81% of 1&1's share capital; voluntary partial offer for up to 16,250,827 shares (about 9.19%) at EUR 18.50 to raise the stake to up to 90%; free float of at least 10% to be kept; no domination agreement, delisting or squeeze-out planned)
- EQS-DD directors' dealings notification of 1&1 AG, 9 Jul 2025 (published via dpa-AFX/boerse-online.de), read 2026-10-20 (issuer 1&1 AG, LEI 5299003VKVDCUPSS5X23, Elgendorfer Straße 57, 56410 Montabaur; notifying party United Internet AG, closely associated with Ralph Dommermuth, position Vorstand; acquisition of shares at EUR 18.50 under United Internet's partial takeover offer, aggregate EUR 140,323,110.50, 7 Jul 2025)
- United Internet AG factsheet, as of 5 Aug 2026, read 2026-10-20 (segments '1&1', 'IONOS' and 'Mail & Media'; 1&1 brands 1&1, winSIM, yourfone; business fibre via 1&1 Versatel; 1&1 the fourth-largest mobile network operator in Germany; United Internet shareholders: Ralph Dommermuth 48.94%, treasury shares 9.98%; IONOS 63.84% held indirectly; Ralph Dommermuth CEO of United Internet since 1988)
Who pays?
Money
Nothing disclosed
- Revenue mix
- Not disclosed
- Named investors and funders
- Not disclosed
Where does it appear?
Channels
Nothing disclosed
- Official websites
- Not disclosed
- Official social accounts
- Not disclosed
Who is connected?
Networks
Not yet verified
- Other services of the same group Pending check
- 1&1 Versatel
- IONOS
- Mail & Media
- Documented public-office or party roles
- Not disclosed
Change history
| Version | Date | What changed |
|---|---|---|
| 1 | 4 November 2026 | First published |
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