SUMAX
Dortmund SEO agency (brand of Reknova GmbH) covering technical SEO, content, offpage, international SEO and GEO, with in-house AI tooling for mid-sized and large clients.
Dortmund, Germany · Specialist SEO agency · Founded 2005
Overview
Dortmund SEO agency (brand of Reknova GmbH) covering technical SEO, content, offpage, international SEO and GEO, with in-house AI tooling for mid-sized and large clients.
Services
- Technical SEOCrawling, indexing, site speed and architecture
- International SEOMulti-country and multi-language search
- AI Search VisibilityGenerative search and AI answer visibility, when offered. Outcomes cannot be guaranteed.
Locations
- Phoenixseestraße 20, 44263 Dortmund, North Rhine-Westphalia, GermanyHeadquarters · Published business address; staffed office not verified · Dortmund directory
- Languages
- German
Sources & verification
- Business identity checked. An editor confirmed the business operates under this name and official website. It does not assess quality.
- Website checked. At least one listed claim matched the agency's own website on the review date.
- Business address checked. A street address is printed on the agency's own website and was matched there. A published address does not by itself show a staffed office.
Pages used for this profile (3)
| Detail | Page | Status |
|---|---|---|
Service: Technical SEOSeit 2005 verbindet SUMAX technisches SEO, Content, Offpage, GEO und eigene KI-Systeme für messbare Sichtbarkeit, qualifizierte Anfragen und Umsatz. | sumax.de/seo-agentur.html | Matched 16 Oct 2026 |
Service: International SEOKeyword-Recherche je Markt, passende URL-Struktur, hreflang und Inhalte in den Zielsprachen. | sumax.de/seo-agentur.html | Matched 16 Oct 2026 |
Service: AI Search VisibilitySichtbar und zitiert in ChatGPT, Gemini, Perplexity und den Google AI Overviews. | sumax.de/seo-agentur.html | Matched 16 Oct 2026 |
Address: DortmundPhoenixseestraße 20, 44263 Dortmund | sumax.de/impressum.html | Matched 16 Oct 2026 |
Team sizeÜber 50 Mitarbeitende haben mehr als 3.000 Projekte abgeschlossen | sumax.de | Matched 16 Oct 2026 |
Last reviewed 16 Oct 2026. Report a correction · What the labels mean