Who owns STRATO?
STRATO is owned by IONOS (Germany, Frankfurt Stock Exchange: IOS).[1]
This ownership is reported in official statements but has not yet been matched to a regulatory filing.
Evidence: IONOS Group SE: House of Brands. Last checked .
Key facts
- Current owner
- IONOS Group SE reported
- Owner HQ
- 🇩🇪 Germany, Montabaur
- Origin
- 🇩🇪 Germany, Berlin
- Founded
- 1997
- Category
- Internet & digital › Digital services › Website & store builders
- Parent ticker
- Frankfurt Stock Exchange: IOS
- Last verified
- · 1 sources
About STRATO
STRATO is a web hosting provider that IONOS Group says was established in 1997 in Berlin. Its products cover domains, email, websites and servers, online marketing tools and the HiDrive cloud storage service, and the company says it also serves customers in the Netherlands and Sweden. It reports two TUV-certified data centres in Berlin and Karlsruhe and says it has run its data centres on renewable electricity since 2008.
Ownership timeline of STRATO
Where STRATO sits in IONOS
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full IONOS ownership tree →
See the full IONOS brand portfolio (9) →
Other brands owned by IONOS
IONOS controls 9 brands on Brandtree, 9 of them in internet & digital.
Also in internet & digital
Other brands in website & store builders, and who owns them
IONOS has more brands in website & store builders on Brandtree than any other owner: 9 of 20.
| Brand | Owner | Owner based in |
|---|---|---|
| Gravatar | Automattic | 🇺🇸 United States |
| GoDaddy | GoDaddy | 🇺🇸 United States |
| Hopp | Wix | 🇮🇱 Israel |
| Opera Ads | Kunlun Tech | 🇨🇳 China |
| Shopify | Shopify | 🇨🇦 Canada |
| WooCommerce | Automattic | 🇺🇸 United States |
| WordPress.com | Automattic | 🇺🇸 United States |
| GoDaddy Airo | GoDaddy | 🇺🇸 United States |
About the owner: IONOS
IONOS is a publicly listed company headquartered in Montabaur, Germany. Brandtree records 9 brands under its control, and it is listed as Frankfurt Stock Exchange: IOS.
IONOS Group SE is a web hosting, domain and cloud company registered in Montabaur, Germany, whose own investor pages show it shares trading on the Frankfurt Stock Exchange under the ticker IOS. The same pages show United Internet holding 63.8% of the shares as of 30 June 2026. The group describes its business as Web Presence & Productivity plus Cloud Solutions, sold through the IONOS brand and a set of local brands across 17 markets in Europe and North America. A tenth brand on its brands page, InterNetX, is not listed here because the page states no country of origin for it.
🇩🇪 STRATO and other German brands
Brandtree records a controlling owner for 243 brands that began in Germany. 90 of them (37%) are now controlled by a company headquartered in another country; STRATO is not one of them.
Frequently asked questions
Who is the parent company of STRATO?
The parent company of STRATO is IONOS, a publicly listed company headquartered in Germany.
Is STRATO German?
Yes. STRATO originated in Germany in 1997 and its owner, IONOS, is also headquartered in Germany.
Is STRATO still owned by IONOS?
Yes. As of 4 October 2026, STRATO is still owned by IONOS. The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] IONOS Group SE: House of Brands — IONOS Group SE, Official document; retrieved 4 October 2026.
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