Your performance marketing agency
Performance marketing agency for measurable growth from every budget.
Marketing that pays for itself: instead of splitting budgets on instinct, only what demonstrably works counts here. As a performance marketing agency, Semtrix brings paid campaigns, organic visibility and conversion optimization together so that every click and every euro contributes to revenue, leads and growth. Every action gets a goal, every goal gets a number, and every number leads to a decision. You become visible where your audience searches: in Google, in the ads and, increasingly, inside AI answer engines such as ChatGPT and Perplexity.
Target CPA and return on ad spend rather than click counts.
Certified for the channels where your budget works.
Around 40 specialists in Germany, 250 across Europe.
Performance marketing agency
What does a performance marketing agency do?
As a performance marketing agency, Semtrix plans, steers and measures campaigns across every relevant channel, so that advertising budget demonstrably becomes enquiries, leads and revenue. A performance marketing agency plans, steers and optimizes digital campaigns with measurable results as the goal. Unlike pure brand advertising, performance sits at the centre here: conversions, leads, revenue and the efficient use of advertising budget across the whole customer funnel. That involves cross-channel campaign management, precise targeting, intelligent attribution, web analytics and continuous optimization. Every action gets a metric, and every metric leads to a decision. Paid and organic channels are planned together so they reinforce each other rather than driving each other's costs up. In the end, what matters is not the reach of a single campaign but the relationship between budget spent and measurable result. The difference from working channel by channel lies in the target figure. A campaign can have a good click-through rate and still cost money. So Semtrix establishes before launch what a close is allowed to be worth: a target CPA for leads, a target ROAS for revenue, plus intermediate goals along the funnel. Only once those values are agreed does the conversation turn to campaigns, bids and creatives. It sounds unremarkable, and it is the point at which most budgets are saved. Semtrix analyzes user behaviour, identifies the most effective channels and keeps adjusting campaigns. What emerges is not just short-term visibility but a system you can steer, made of analysis, implementation and optimization, with clear metrics and decisions you can follow. You get named contacts, transparent reports and campaigns that are sharpened continuously. Technology and content are handled together: CrawlR uncovers technical errors and indexing problems, Scribe supports the creation and optimization of landing pages. As part of the Eskimoz group, Semtrix also works internationally and across languages, from keyword research per market to country-specific budget allocation. Start with a free first conversation and find out where your biggest growth potential sits. Clicks on their own are not enough. A performance marketing agency is judged on whether budget turns into enquiries, purchases or other interactions worth having. So the work does not stop at the ad account. It reaches into the landing page, the tracking and the analysis of what happens after the click.
A performance marketing agency steers digital campaigns so that every euro spent can be tied to a measurable result. It connects paid ads, organic visibility, conversion optimization and attribution across the whole funnel. The goal is not reach, but leads, revenue and an advertising budget that works efficiently.
Context
Performance marketing, paid media and digital marketing: where is the difference?
The three terms are often used interchangeably and mean different things. Paid media describes the paid advertising channels: search, social, video and the new AI ad placements. The question behind it is which channel gets how much budget. Performance marketing describes the way things are steered: every action, paid or organic, is measured against a target figure and judged by what it contributes to the close. The question behind it is whether what you spend pays off. Digital marketing is the broadest term and takes in disciplines that do not aim at direct sales at all, such as brand building, social media editorial work or email nurturing.
In practice that means: if you want to know which platforms to run, you are looking for paid media support. If you want to know whether your budget returns anything and where the limit of sensible extra spend sits, you are looking for a performance marketing agency. At Semtrix the two interlock but are thought about differently: one view is on channels and budgets, the other on metrics and the funnel. That is also why performance marketing measures SEO against a number, namely what an organically generated enquiry costs by comparison. ---
Experience you can verify.
Services
Which services does Semtrix offer as a performance marketing agency?
Performance marketing lives on several disciplines working together towards the same goal. That is how channels interlock rather than running side by side, for an advertising budget that works across the whole funnel. A performance marketing agency is responsible not only for the campaign, but also for the conversion after the click. As a Google Partner we run campaigns certified where the largest share of budget works.
Working together
Semtrix as your performance marketing agency: personal, experienced and data-driven.
What to expect from the collaboration, and why a professional performance marketing agency pays off.
Why Semtrix? Interdisciplinary teams with an international backbone
Semtrix was founded in Düsseldorf in 2015 and has delivered more than 1,500 projects in eleven years. Since 2024 it has been part of the Eskimoz group, headquartered in Paris. Its 250 consultants bring project experience in 10 languages and work from the group's own offices in five countries. That combination of hands-on local support and an international network makes cross-border campaigns possible too, from multilingual keyword research to country-specific budget allocation. On the paid side, Semtrix is a Google Partner. In daily work that means certified management of the channel through which most of the media budget runs, with direct access to product updates and support. The group also supplies the modules of the Eskimoz App that are used in the daily work on your campaigns: - OmniChannel maps the sales funnel and analyzes where conversions happen and where they do not. - Monitoring shows the organic position and the AI Overview mention for each keyword. - Brand Protector reveals who is bidding on your brand in Google Ads. - Shoppiz optimizes the product feed for Shopping campaigns. How this work lands with clients is a matter of public record: 5.0 on ProvenExpert from 132 reviews and 4.8 on Google. At the European Search Awards 2026 the Eskimoz group was named Best Large Integrated Search Agency, with the judges specifically citing its early move into GEO. Our case studies give you a sense of the work, and you can read more about the team on the about us page.
Control
Which metrics a performance marketing agency steers by
Performance marketing stands or falls on which number matters in the end. Cost per lead tells you what an enquiry costs. Target CPA sets what it is allowed to cost. Return on ad spend puts revenue in relation to media spend and is the usual control figure in retail, while in B2B the quality and later deal value of an enquiry tend to count more. Add to that conversion rate, basket value, repeat purchase rate and the share of enquiries that sales actually accepts.
None of these numbers works on its own. A low cost per lead with poor lead quality is more expensive than a high one with good quality. A strong return on ad spend in a campaign that only harvests existing customers says little about growth. So Semtrix defines a metric for each funnel stage and evaluates them together rather than separately. That combined view is exactly what separates performance marketing from a collection of good-looking individual figures.
Attribution
Attribution: which channel really earned the close?
Most bad decisions in performance marketing are not made in the campaign, they are made in the allocation. Credit every close to the last interaction and the brand search ad always wins, while everything that created the demand in the first place looks uneconomical. Give every touchpoint the same share instead, and the genuinely strong levers disappear into the average.
So Semtrix checks the data foundation first: conversion definitions, consent logic, server-side measurement, double counting. Then an attribution model is chosen that fits the buying process, and it is evaluated along the funnel through OmniChannel from the Eskimoz App. The conversion analysis then shows not only how many closes there were, but by which route. Only on that basis does budget get moved in performance marketing. That is the difference between a reasoned decision and a hunch with a chart attached. ---
A metric that does not lead to a decision is just a report.
Performance marketing and GEO
GEO: AI visibility as a discipline of its own alongside performance marketing.
Alongside paid and organic visibility, a third discipline is gaining ground: presence inside AI answer engines such as ChatGPT, Perplexity and Gemini. GEO stands for Generative Engine Optimization, also known as GAIO. It is not a sub-category of performance marketing but a discipline in its own right, with its own rules and metrics. It is what gets a brand mentioned and cited in AI-generated answers.
Investing in AI visibility early opens up a channel many competitors are not yet working. For a performance marketing agency that means the channel is measured like any other, even while it does not yet produce a cost per lead. Semtrix measures that visibility with LLM Ranking from the Eskimoz App and derives concrete actions from it. The judges at the European Search Awards 2026 specifically highlighted how early the group moved into this discipline. Performance marketing and GEO therefore run in parallel and carry equal weight. There is more on the GEO agency and GEO optimization pages.
Team Performance
The people you will work with on performance marketing.
A performance marketing agency is only as good as the people working daily on the campaigns and the numbers behind them. At Semtrix a fixed group of specialists looks after you. Experienced, approachable and easy to reach.
Process
How does working with Semtrix actually go?
Working with Semtrix as your performance marketing agency follows one clear principle: understand and prioritize first, then implement deliberately and optimize. Monitoring, reports and status calls keep it transparent at every point what your campaigns deliver and how cost per close is developing.
Diagnosis
- Analysis of audience, competitors, channels and performance to date.
Decision
- A cross-channel strategy with clear goals, metrics and a budget plan.
Implementation
- Building and running the performance marketing campaigns across the relevant channels, including tracking and attribution.
Monitoring
- Continuous optimization, testing and transparent reports with recommendations on cost, conversions and revenue.
Scaling
- Moving budget to where it demonstrably delivers most, and rolling out into new channels. ---
Modules
What you get: the services and modules of your performance marketing agency.
Account structure, campaign types and bidding strategy are built around the goal, not around the default. Search campaigns, Performance Max, Shopping and remarketing work together. Search term reports, exclusion lists and ad assets are maintained continuously. We only bring in target CPA and target ROAS once there is enough conversion volume. Brand Protector shows who is bidding on your brand in Google Ads, Shoppiz optimizes the product feed.
Without clean tracking, every optimization in performance marketing stays guesswork. We check conversion definitions, consent settings, server-side tagging and data quality. Attribution models allocate each channel's contribution across the funnel. OmniChannel from the Eskimoz App maps the sales funnel and shows where prospects drop out.
Paid reach gets expensive when nothing organic carries weight. That is why SEO belongs in the performance marketing cost calculation: every enquiry that arrives organically lowers the average price of all enquiries across the funnel. A performance marketing agency that leaves SEO out is calculating too narrowly. Topic architectures, entity clusters and landing pages cover search intent along the funnel. Scribe supports creation and optimization against semantic briefs, CrawlR uncovers technical errors and indexing problems, and Monitoring shows position and AI Overview mention per keyword.
Traffic is only half the job. We optimize landing pages for user experience, load time and trust. Micro-conversions such as newsletter sign-ups or contact requests count here as much as the A/B tests we use to improve forms, offers and arguments step by step. Every percentage point of conversion rate works on every channel at once. ---
Semtrix by Eskimoz
What the Eskimoz group means for your project.
Semtrix is a global search agency: we make sure you are found wherever people search. Since 2024, Semtrix has been part of the European Eskimoz group. For you, the collaboration stays personal: your project is looked after by a fixed team in Germany. The network adds international resources and extra expertise in paid ads and analytics without changing who you talk to or how we work.
Through the group we have access to the Eskimoz App, with modules such as OmniChannel for conversion analysis, Brand Protector for brand defence on the paid side and LLM Ranking for AI visibility. Both feed directly into performance marketing, because measurement and management sit in the same system. The combination is additive: Semtrix brings local proximity and eleven years of project experience, Eskimoz adds technology and European reach. At the European Search Awards 2026, the group was named Best Large Integrated Search Agency.
Ready for budgets that pay off?
As your performance marketing agency we review channels, tracking and conversion paths across the whole funnel, work out your current cost per lead and show you the biggest opportunities along with a clear next step. Free, with no obligation, and your data stays with us.
Effort & cost
What shapes effort, cost and strategy?
What a performance marketing agency costs depends on your goals, channels, advertising budget and starting point. So Semtrix begins with an analysis and a realistic read on the potential before actions and effort are fixed, transparently rather than with blanket promises. What counts is not the effort itself, but the relationship between what you put in and the measurable result.
A small local service website needs a different strategy from a large shop or a company with several locations.
Missing or faulty tracking, relaunches and legacy issues determine how much groundwork is needed.
Hard-fought auctions and keywords drive click prices up and demand more investment in ads and content.
Whether landing pages already exist or have to be built from scratch changes the content effort considerably.
How many channels run in parallel and how large the media budget is changes the management effort and the reporting in performance marketing.
A local, national or international focus changes strategy, campaign structure and scope.
Your benefits
What you gain with Semtrix as your performance marketing agency.
In the Eskimoz App you follow goals, costs and results continuously. OmniChannel shows the funnel and the conversion analysis behind it, Brand Protector the competition for your brand, and LLM Ranking visibility in ChatGPT and Perplexity. - **Named contacts** who know your goals and your campaigns. - **Management against target values** rather than clicks: target CPA, return on ad spend and lead quality are defined up front. - **Full transparency** on budget, channels and results, with clear recommendations. - **Cross-channel synergies**: SEO, paid ads, conversion and GEO from one team, certified as a Google Partner. - **Reliable attribution**, so budget moves by contribution rather than by last interaction. - **Measurable results** in performance marketing: cost per lead, conversion rate and return on ad spend instead of bare click counts.
FAQ
Frequently asked questions about performance marketing agencies.
Free analysis
Get a free review of your growth potential.
If you want to know how much more your channels and budgets could deliver, an analysis is the right first step. Semtrix reviews your audience, your channels and your performance to date and shows you where your budget works hardest. Start now with a free first conversation and turn marketing into measurable growth.