Rheinwunder GmbH

Rheinwunder GmbH is based in Bonn, Germany, and works with clients across more than 20 industries, ranging from owner-run businesses and Mittelstand companies to international corporations, including sectors such as B2B industry, healthcare and e-commerce. Many client relationships are described as long-standing, running five to ten years. The team is small, in the one-to-ten range, and combines marketing consulting with an in-house engineering function that builds proprietary tools and tracking setups rather than relying on off-the-shelf software. The agency's declared services cover SEO, affiliate marketing, content marketing and pay-per-click advertising, delivered alongside analytics and generative engine optimization (GEO) work. SEO engagements include technical SEO, content strategy, semantic architecture and audits, including accessibility audits, aimed at building rankings on stable technical foundations rather than short-term tactics. GEO work focuses on building brand presence within generative search systems such as ChatGPT, Gemini, Google AI Overviews and Claude, supported by an internally developed tool for measuring AI visibility per platform. Paid search activity spans Google Ads, Microsoft Ads and Google Shopping, structured around granular account setups intended to feed Smart Bidding with accurate signals. Underpinning these services is a self-built analytics layer covering server-side tracking, Google Tag Manager architectures, BigQuery exports and marketing dashboards, developed by an internal team of developers and tailored to individual client setups. Content marketing work combines keyword and content strategy intended to serve classic SEO, generative search and conversion goals simultaneously.