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Sustainably digital

Growth through economically sustainable and data-driven digital marketing

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Your partner for digital marketing

We prioritize sustainable solutions over quick promises of success. We develop digital strategies that strengthen your company in the long term - with transparent communication, measurable results and a partnership-based approach at eye level. Our holistic approach sets us apart: we not only advise, we also implement. With four areas of expertise under one roof, we support you from the initial idea to measurable success.
Learn more about us

Our solutions for your digital marketing

Our solutions are designed to seamlessly integrate all relevant elements and achieve optimal results. From strategic planning to operational implementation, we offer customized approaches to achieve your goals efficiently and sustainably.

Our references

We see ourselves as strategic partners with the aim of bringing your company to success with sustainable growth.
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LotusGrill

#e-commerce
#B2C
From social media development to performance marketing success

+411% year-on-year increase in sales

3x more orders than in the previous year

> 6 years of cooperation

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#e-commerce
#B2C

LotusGrill

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foodforecast

#B2B
#Lead generation
From vision to financing: strategic partnership in food tech

+98% Meetings

+157% clicks

Internationalization (5 languages)

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#B2B
#Lead generation

foodforecast

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Rotoclear

#B2B
#Lead generation
Successful digital marketing for a B2B niche

+349% more leads

+203% higher visibility

-17% cost-per-lead

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#B2B
#Lead generation

Rotoclear

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CITY DECKS

#B2G/B2B
#Lead generation
B2G & B2B marketing: Digital strategy for sustainable urban design

1 Relaunch

+77% more visibility

-52% cost-per-lead

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#B2G/B2B
#Lead generation

CITY DECKS

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chore

#B2B
#Lead generation
Digital lead generation for existing buildings

+540% visibility

+51% more leads

-30% Resources

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#B2B
#Lead generation

chore

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sonoro

#e-commerce
#D2C
International e-commerce for German Audio Design

>10 years of successful cooperation

2 Website relaunches

>10× e-commerce turnover since launch

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#e-commerce
#D2C

sonoro

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Bergstrasse Ortho Center

#Lead generation
#Healthcare
How a long-term content strategy exceeded all expectations

>60k keywords worldwide

>62 million impressions

+565% Appointment bookings

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#Lead generation
#Healthcare

Bergstrasse Ortho Center

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osapiens

#Lead generation
#ESG
On course for success with a digital tailwind

Website available in 4 languages

Advertising campaigns in >20 countries

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#Lead generation
#ESG

osapiens

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Auromedicum

#Lead generation
#Healthcare
Digital launch of the medical practice Auromedicum Frankfurt a.M.

<6 EUR Cost-Per-Lead

Supervision of 4 practice sites

First full capacity utilization after 6 months

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#Lead generation
#Healthcare

Auromedicum

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KüchenUpgrade

#Lead generation
#D2C
A complete funnel for digital lead acquisition

Lead measure start after 8 weeks

<50% Cost-Per-Lead

7 regional partners

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#Lead generation
#D2C

KüchenUpgrade

Team

An ideal combination of expertise and seamlessly integrated processes. Our clients appreciate the personal support at eye level as well as the in-depth advice and implementation of customized solutions. We work at three locations to design and implement digital marketing strategies for our clients from all over Europe.

Johanna Luding

Social Advertising & Content Manager

Lennart Kappes

Automation & Development Manager

Maximilian Hohenstatt

Strategy & E-Commerce Specialist

Christopher Smid-Sawall

Performance Marketing & Data Analysis Specialist

Max-Raphael Feibel

Strategy & Performance Marketing Specialist

Katrin Kratz

Strategy & SEO Specialist

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Maximilian Hohenstatt

Strategy & E-Commerce Specialist

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Lennart Kappes

Automation & Development Manager

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Katrin Kratz

Strategy & SEO Specialist

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Christopher Smid-Sawall

Performance Marketing & Data Analysis Specialist

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Max-Raphael Feibel

Strategy & Performance Marketing Specialist

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Johanna Luding

Social Advertising & Content Manager

In our magazine you will find news from our everyday agency life as well as specialist articles on current trends in digital marketing.

Partner & Söhne a Google Premium Partner for 2026

There are many certifications in the agency market. Some can be earned after completing an online course, while others can simply be purchased for a fee. Google Premium Partner status doesn’t work that way. It can neither be bought nor quickly attained, which makes it one of the most credible accolades a Google Ads agency can hold. That’s why we’re thrilled that Partner & Söhne achieved Partner & Söhne status in 2026. It confirms what we’ve understood for years as the foundation of our work: thinking sustainably, working for the long term, and delivering results that stand the test of time.

The Importance of Personal Branding for Businesses

Brands are increasingly losing control over the context in which they appear. An elaborately designed website, well-thought-out navigation, consistent corporate identity. All of this loses visibility when content appears fragmented in AI responses, search results, or feeds. The brand framework that was supposed to classify statements is disappearing.

In AI-generated responses in particular, content is taken out of its original context and reassembled. Large language models (LLMs) summarize information from various sources and present individual statements without the surrounding website. But what remains when the brand framework is missing? The source. And sources with recognizable authors are currently considered more credible by these systems than abstract organizations.

Healthcare Marketing in a Highly Regulated Market

An online store for sports shoes launches a new campaign. Flashy banners advertise a 20 percent discount, a countdown timer shows "Only 3 left in stock," and retargeting ads follow interested customers across all channels. Meanwhile, a dental practice is planning its marketing strategy for the coming season. No discounts possible, no dramatic scarcity messages allowed, every word legally reviewed. The difference could hardly be greater.

Anyone who works in healthcare marketing is familiar with this discrepancy from their daily business. The rules of the game are fundamentally different from those in classic e-commerce or B2B marketing. Strict legal requirements, increased data protection requirements, ethical boundaries, and a completely different trust dynamic shape every single decision. These special features make healthcare marketing one of the most demanding disciplines in digital marketing—and require specialized know-how that goes far beyond classic performance marketing.

Prompt Monitoring: How to track your visibility in AI search

People talk to AI systems differently than they search on Google. "Project management tool remote team" becomes "I'm looking for a solution for project management in a distributed team of ten people." This natural language fundamentally changes how content is found and, therefore, how you need to measure whether your content is even discoverable. Traditional keyword rankings are ineffective when the majority of people are no longer searching for keywords. So how can you track your brand's performance in AI tool search results? Prompt Monitoring provides the answer to this question. It systematically records when and how AI systems talk about your company, which sources they use, and how you are positioned compared to your competitors. In this article, you will learn how prompt monitoring works, why it differs fundamentally from classic keyword tracking, and what specific options for action it offers.

Which KPIs are truly relevant in B2B lead generation?

You invest your budget in ads, build content, and generate hundreds of leads per month. The conversion rate is steadily increasing. Your marketing dashboard looks good. Nevertheless, sales remain below expectations. The problem is not a lack of marketing activity, but rather incorrect success indicators. Many B2B companies focus on metrics that look impressive but say little about actual business success. The key KPIs are not at the beginning of the funnel, but where leads actually turn into paying customers. This article shows you which metrics really matter and how you can use them for strategic decisions.

Attribution models: How to evaluate the actual value of your marketing channels

You invest in Google Ads, run meta campaigns, and engage in content marketing. The conversion happens—but which channel actually influenced the purchase decision? Attribution models promise clarity by assigning conversions to different touchpoints. But the reality is more complex: modern customer journeys span multiple devices, channels, and weeks—while classic attribution captures only a fraction of this journey. This article shows how different attribution models work, where their limitations lie, and which model is suitable for which use case.

Incremental attribution: How to measure the actual advertising success of your Meta Ads

Imagine you spend $10,000 on advertising and your reporting shows 100 sales. Sounds good. But how many of those 100 purchases would have happened without your advertising? Because customers already knew your brand, wanted to buy anyway, or would have found you through other channels? Incremental attribution answers precisely this question. It separates genuine advertising impact from random hits. The result: you find out which campaigns actually generate additional sales and which are only credited with conversions that would have happened anyway. The topic sounds complex. However, the methodology behind it is simple: part of your target group does not see any advertising (control group), while the rest does. The difference in purchasing behavior shows the real contribution of advertising. Why is this important? Because classic attribution models systematically deliver overly optimistic figures. They measure correlations, not causes. This leads to misallocations in the budget. Money flows into campaigns that look good but have little effect.

Traffic drops, visibility remains

Rankings are stable, visibility is on the rise, but traffic is plummeting. This seemingly contradictory situation is currently confusing many website operators. The cause lies in a fundamental change in the search landscape: AI-powered search engines are changing how users search for and consume information. This development requires a rethink of how success is measured in digital marketing. Traffic and click numbers are becoming less meaningful, while new metrics are coming to the fore. The question is no longer just "How many clicks are we generating?" but "How present is our brand in the answers users receive?"

GA4 Standard Events for Lead Generation: Complete Transparency Across the Entire Funnel

Do you really know which of your marketing campaigns are actually generating value? Or do you rely on lead numbers that may sound impressive but often don't allow you to draw conclusions about real business results? This is precisely where the fundamental problem with traditional tracking methods lies: they end with the form submission and provide no insight into what happens next. GA4 Standard Events for lead generation provide complete visibility across the entire lead funnel—from initial contact to contract signing. Instead of making decisions based on incomplete data, you get the foundation for value-based marketing decisions. In this article, you'll learn how to leverage this transparency for your business goals.

SEO vs. GEO

Two channels, double the effort? Not necessarily. Both traditional and AI search engines work with your content, but evaluate it according to different criteria in some cases. Some of your SEO measures will therefore automatically work for GEO as well, while others will need to be adapted and still others will be completely ineffective. Knowing these differences saves resources and increases your visibility across both channels. In this article, we'll show you which of your SEO basics continue to work for GEO and where you need to adjust your strategy.