Your SEO Agency
SEO agency for measurably more visibility on Google and AI
If you want to be found online today, you need to be visible where people search: on Google, in local search results, and increasingly in AI answer systems like ChatGPT, Perplexity, and AI Overviews.
Personal support
A dedicated point of contact and transparent communication.
Individual SEO power
Tailor-made analyses and strategies instead of one-size-fits-all solutions.
Strong team
40 specialists and the international Eskimoz network.
What does an SEO agency do?
As an SEO agency, Semtrix helps businesses sustainably grow their organic reach and turn search queries into real contacts, leads, and customers — not with short-term tricks, but with a strategy tailored to your website, market, and goals.
Semtrix takes search engine optimization personally: dedicated points of contact, transparent communication, and a specialized team. Classic search engine optimization is complemented by GEO optimization as its own discipline for visibility in AI systems. As part of the Europe-wide leading Eskimoz group, Semtrix combines local support from Germany with international clout. Start now with a free analysis and discover the potential hidden in your website.
An SEO agency optimizes websites so they are easier to find in search engines like Google and Bing. This includes technical SEO, on-page optimization, content strategy, keyword research, internal linking, link building, building digital authority, and ongoing monitoring. The goal is to fully cover relevant search queries, increase a website's visibility, and bring more qualified users to the site. Search engine optimization means adapting a website to the ranking criteria of the respective search engine — technically, editorially, and structurally.
At Semtrix, every collaboration begins with an analysis: website, rankings, content, and competition are all reviewed. From this, an individual SEO strategy emerges that aims not only at better positions but also at user guidance, trust, and measurable results.
Strong rankings alone aren't enough — what matters is that visibility turns into inquiries, purchases, or other valuable interactions.
- 250+
- consultants across Europe
- 1,500+
- active projects in SEO, GEO and Pais
- 10
- languages spoken
- 11
- years of experience
Which SEO services does Semtrix offer?
As an experienced SEO agency, Semtrix covers all key areas of search engine optimization — from technology to content and authority through to ongoing monitoring.
These building blocks interlock: technology lays the foundation, content delivers relevance, authority secures trust — and monitoring keeps the strategy on course.
Technical SEO
Crawling, indexing, site structure, load times, Core Web Vitals, internal linking, mobile rendering, and the clean handling of JavaScript content — learn more on the technical SEO page. Only when search engines can crawl a website without errors can its content unlock its full potential.
Content SEO
Topic architectures, keyword and entity clusters, landing pages, guides, and FAQ structures that cover search intent and convince users and search engines alike. Our content creation page shows how we develop content.
On-page optimization
Heading structure, meta data, internal linking, and the topical relevance of every single page — bundled in our on-page optimization.
Off-page & authority
Digital PR, link earning, and high-quality mentions that strengthen topical authority and brand perception. Targeted link building is handled by our link building agency.
Local SEO
Regional visibility, Google Maps presence, and location pages for local search queries.
Conversion optimization
Turning traffic into measurable inquiries and sales — see conversion optimization.
Monitoring
Continuous tracking of rankings, visibility, traffic, and relevant metrics.
GEO: AI visibility as its own discipline alongside SEO
„More and more people are asking their questions directly to AI systems like ChatGPT, Perplexity, Gemini, or AI Overviews — these systems give one answer instead of ten blue links.“
That's why GEO — Generative Engine Optimization, also known as GAIO — is not a subcategory of SEO, but a standalone discipline with its own rules, metrics, and measures. While SEO targets rankings and clicks, GEO is about whether and how a brand gets mentioned, cited, and recommended in AI-generated answers. Semtrix measures this AI visibility with its own GEO/LLM tracking tool and builds targeted measures on top of it. You can find out how this works in detail on our GEO optimization and GEO agency pages. This way, SEO and GEO work in parallel and on equal footing at Semtrix.
Semtrix as your SEO agency: personal, experienced, and strategic
What to expect from working with us — and why a professional agency pays off.
Award-winning search expertise with international backing
Semtrix is part of the Eskimoz group, one of Europe's leading digital and SEO agencies, headquartered in Paris. Since 2010, the group has delivered more than 1,000 client projects. Over 200 consultants work across five European locations — Paris, Madrid, Düsseldorf, Milan, and London — and speak twelve languages. In-house data scientists and development teams work closely with the SEO experts and build proprietary tools; continuous investments in research and development flow directly into our day-to-day work.
How well this expertise performs in practice also shows under competitive conditions. The Eskimoz group was named “Best Large Integrated Search Agency” at the European Search Awards 2026 — the jury particularly highlighted the early and successful adoption of GEO as well as an employee retention rate of 95 percent. Semtrix itself has also repeatedly excelled in the SEO contests run by Agenturtipp.de. Our references give you an impression of our work; learn more about our team and values on our About us page.
- Overall winner of the “SommerSEO” contest 2022
- Overall winner of the “Keywordkönig” contest 2025 — according to Agenturtipp.de with the top score on all three key dates
- Podium finish in the “Conversionzauber” contest 2023
What you get from us: services & modules of SEO optimization
Technical SEO
For content to be found at all, it needs a solid technical foundation. We take care of crawling, indexing, optimized site structures, internal linking, and Core Web Vitals. Mobile-first has long been the standard, as has the clean handling of JavaScript content. With log file analyses, we additionally create transparency about the behavior of search engine bots.
Content SEO
Strong content is the heart of every SEO strategy. We develop topic architectures and keyword and entity clusters that map search intent perfectly. Whether an in-depth guide, a clear FAQ, or a strategic pillar page: we choose the right content format and rely on user-friendly language that convinces search engines and readers alike.
Authority & PR
Sustainable rankings require not just good content, but also reputation. With digital PR, intelligent link earning, and targeted mentions, we strengthen your brand's authority. This creates not only valuable backlinks but also visibility in relevant contexts — a decisive lever for long-term brand building.
Conversions
Traffic is only half the battle — what counts is what comes of it. That's why we consistently optimize landing pages for user experience and trust. Micro-conversions like newsletter sign-ups or contact requests play just as big a role as A/B tests, which we use to continuously improve performance. This is how visibility turns into measurable success.
Individual. Successful. Tailor-made.
We develop strategies that fit your goals exactly and deliver measurable impact.
What does working with Semtrix look like?
The process follows a clear principle: first understand and prioritize, then implement with focus and build authority. Regular monitoring, reports, and status calls keep you fully in the loop on how rankings, visibility, and traffic are developing.
Diagnosis
- Analysis of technology, content, rankings, competition, backlinks, and potential — including AI visibility
Decision
- 90-day roadmap with clear priorities by impact and effort, aligned with you
Implementation
- Fix technical errors
- Optimize or create new content
- Improve internal linking, on-page factors, and page speed
Authority
- Backlinks, brand mentions, and citations that support rankings, brand, and AI visibility together
What influences effort, costs, and strategy in SEO?
The cost and scope of SEO support depend heavily on your starting position. That's why Semtrix doesn't work with flat-rate standard solutions: a serious strategy starts with an analysis and a realistic assessment of the potential. The most important factors at a glance:
- Size & type of website
- A small local service provider's site needs a different strategy than a large online shop or a company with multiple locations.
- Technical condition
- Technical problems, relaunches, or legacy issues determine how much groundwork is needed.
- Competitive intensity
- Highly contested markets and keywords require more effort for content and authority.
- Existing content
- Whether content already exists or has to be built from scratch significantly affects the content workload.
- Link profile & authority
- A weak or compromised backlink profile needs targeted, clean development.
- Target regions & languages
- A local, national, or international focus changes both strategy and scope.
Get a free analysis of your website
Semtrix reviews your current visibility, technical foundations, content, and competitive environment, and shows you which measures make sense for better rankings, more reach, and more qualified inquiries.
Free & non-binding – we never share your data.
There for you personally!
Behind every successful campaign stands a strong team.
At Semtrix, that's a group of dedicated experts who give their all every day to make your online presence a success.
Still have questions?
FAQs about our SEO agency
What exactly does an SEO agency do?
An SEO agency optimizes websites so they are easier to find for relevant search queries. This includes technical SEO, content optimization, keyword research, internal linking, off-page measures, link building, and regular monitoring — with the goal of winning more qualified visitors through organic search.
When is an SEO agency worth it?
Whenever a website should achieve more visibility, better rankings, or more qualified inquiries. Professional support makes particular sense in the face of strong competition, technical problems, relaunches, content gaps, local search queries, or when existing measures aren't delivering sufficient results.
What's the difference between SEO and GEO?
SEO delivers visibility in classic search engines like Google and Bing and targets rankings and clicks. GEO stands for visibility in AI answer systems like ChatGPT, Perplexity, or AI Overviews and aims to get a brand mentioned and cited in AI-generated answers. Both disciplines work in parallel and complement each other, but follow their own rules.
How long does it take for SEO results to show?
SEO is a long-term process. Depending on the website and competition, first improvements can become visible after a few weeks. Stable top positions usually develop over several months through continuous technical optimization, high-quality content, better user experience, and building authority.
What's the difference between on-page and off-page SEO?
On-page SEO covers all measures on your own website — technology, content, headings, internal linking, load times, and site structure. Off-page SEO concerns external signals such as backlinks, digital mentions, reputation, and authority. Both areas are important for sustainable rankings.
Your advantages with Semtrix as your SEO agency
A data-driven approach comes standard: via the Eskimoz app, you track goals, rankings, traffic, and ROI in real time; tools like the predictive ranking model prioritize the most effective levers. This makes decisions traceable — for you and for us.
- A dedicated point of contact per project who knows your website and puts measures into context
- Data-based prioritization instead of gut-feeling measures: every recommendation is evaluated by impact and effort
- Transparency through regular reports and status calls — you can see at any time how rankings, visibility, and traffic are developing
- Sustainability instead of short-term tricks: optimization in line with search engine guidelines that holds up even after updates
- Measurable results: more qualified inquiries, not just better positions
SEO know-how for you. Free as an e-book.
Our e-books give you directly actionable SEO knowledge.
Sign up quickly and get started.
Always one step ahead:
The Semtrix Newswatch
In digital marketing, knowledge decides success. With the Semtrix Newswatch you get exclusive insights, clear action tips and brand-new trends from the world of SEO, SEA, GEO and performance marketing every week. Easy to understand, hands-on – and always focused on what actually delivers results.
- Current SEO trends explained clearly, before they hit the mainstream
- Tips so ChatGPT, Gemini & Co. actually cite you
- Strategies & best practices you can apply immediately
- Insights into Google updates and their impact on your visibility
- Case studies & learnings from real client projects
- Tools, templates & resources that make your day-to-day easier