# Propellernet > Propellernet is a digital marketing agency of search experts, strategists and storytellers, working across SEO, AI Search & GEO, Digital PR, Paid Media, and Content & Strategy. Founded 2004, certified B Corp, built AnswerThePublic and CoverageBook. ## Company - [Sustainability](https://www.propellernet.co.uk/about/sustainability/): Our B Corp status and approach to sustainable business practice. - [Services](https://www.propellernet.co.uk/services/): Overview of our core service lines, SEO, AI Search & GEO, Digital PR, Paid Media and Content & Strategy. - [Awards & Accolades](https://www.propellernet.co.uk/about/our-awards-and-accolades/): Industry recognition, including UK Search Awards and UK Content Awards wins. ## AI Search & GEO - [10 Principles for GEO & AI Search](https://www.propellernet.co.uk/ai/how-we-think-about-ai-search/): Our tested, evidence-led positions on how GEO and AI search actually work, updated as the landscape changes. - [Generative Engine Optimisation (GEO)](https://www.propellernet.co.uk/ai/generative-engine-ai-optimisation/): How we approach GEO as an extension of proven SEO principles. - [Ebb](https://www.propellernet.co.uk/ai/ebb/): Our in-house AI visibility tool, tracking brand citations and competitor benchmarking across ChatGPT, Gemini and Claude. ## Case Studies - [Winning the AI Overview Race for PureGym](https://www.propellernet.co.uk/our-work/winning-the-ai-overview-race-for-puregym/): How content strategy earned PureGym 7,000+ Google AI Overviews, 10x its nearest competitor. - [How Remitly's Immigration Index Won the #1 Google AI Overview Slot](https://www.propellernet.co.uk/our-work/owning-immigration-search-aio-visibility-for-remitly/): A data-led PR campaign that won the number one AI Overview slot worldwide. - [Where to Find the World's Softest Snow for Inghams Ski](https://www.propellernet.co.uk/our-work/where-to-find-the-worlds-softest-snow-for-inghams-ski/): A data-led digital PR campaign for Inghams Ski. - [Driving Sponsorship Growth and Efficiency Through Smarter Search for Dogs Trust](https://www.propellernet.co.uk/our-work/driving-sponsorship-growth-efficiency-through-smarter-search-for-dogs-trust/): Search strategy driving sponsorship growth for Dogs Trust. - [Driving Brand Awareness with Addressable TV for Inghams](https://www.propellernet.co.uk/our-work/driving-brand-awareness-with-addressable-tv-for-inghams/): An addressable TV campaign built to grow brand awareness for Inghams. - [Increasing Incremental Value with Technical SEO for Holland & Barrett](https://www.propellernet.co.uk/our-work/increasing-incremental-value-with-tech-seo-for-holland-barrett/): Technical SEO work delivering measurable incremental value for Holland & Barrett. ## Insights - [What Is AI Visibility? Why One Score Doesn't Work Across ChatGPT, Claude and Gemini](https://www.propellernet.co.uk/insights/what-is-ai-visibility-why-one-score-doesnt-work-across-chatgpt-claude-and-gemini/): Why AI visibility needs multiple metrics, based on 200 prompts tested across three platforms. - [AI Citations Explained: How ChatGPT, Claude and Gemini Choose Sources](https://www.propellernet.co.uk/insights/ai-citations-explained-how-chatgpt-claude-and-gemini-choose-sources/): How each AI platform decides when and how to search before answering. - [What We've Learned Winning AI Overview Placements for Clients](https://www.propellernet.co.uk/insights/what-weve-learned-winning-ai-overview-placements-for-clients/): Practical lessons from real AI Overview wins across three client campaigns.