Castle International
The World’s First Fully Unlimited Agency
About Castle International
Castle International is a Liverpool digital marketing agency driving measurable revenue via SEO, PPC, social & web design. It stands out through dedicated investment in GEO, AI SEO & Answer Engine Optimisation (AEO) — helping brands become the source AI systems like ChatGPT actually cite. Services
Practical expertise in website builds, creative branding, paid media, affiliate strategies and multimedia content to support performance and growth. Castle Int.'s GEO, AI SEO and AEO services optimise sites for visibility in ChatGPT, Google SGE, Perplexity and Bing Copilot through structured data, semantic SEO and entity clarity. They also create citable, credible content that earns direct quotes in AI-generated answers, future-proofing brands ahead of the shift away from traditional search rankings. Approach
Castle combines strategic planning with hands-on execution: multidisciplinary teams plan, create and optimise campaigns tailored to client goals. Why choose Castle
Integrated delivery, a dedicated specialist team and local presence in Liverpool deliver measurable results with clear accountability. No review yetBe the first to write one
Services
7 services offered by Castle International
Description Our designers deliver brand and print assets rooted in design-led digital experiences, ensuring consistent creative across campaigns and measurable brand impact.Skills in Graphic Design (7) Graphic DesignAdvertising Banners DesignGraphic Design AdvertisingGraphic Design ServicesWeb Graphic DesignGraphic DesignGraphic Design
Learn more about Graphic DesignDescription We run joined-up growth programmes combining paid media, SEO and affiliate strategies to drive measurable leads and scalable customer acquisition from Liverpool.Skills in Growth Marketing (9) Growth HackingGrowth MarketingProduct MarketingPerformance MarketingMarketing DevelopmentSaaS MarketingSales MarketingProduct GrowthProduct Growth
Learn more about Growth MarketingDescription We craft measurable digital strategies from our Liverpool base, aligning web, creative and media to convert goals into clear, optimised roadmaps and KPI-led plans.Skills in Digital Strategy (10) AI MarketingMarketing StrategyWeb StrategyDigital MarketingSEO StrategyMarketing Workflow StrategySEO MarketingSEO Online MarketingDigital Marketing StrategyDigital Strategy
Learn more about Digital StrategyDescription Castle International stands out through dedicated investment in GEO, AI SEO & Answer Engine Optimisation (AEO) — helping brands become the source AI systems like ChatGPT actually cite.Skills in Artificial Intelligence (9) AI MarketingSEO Content CreationSearch MarketingGeo MarketingInternet Marketing SEOSearch Engine Optimization MarketingSEO MarketingSEO Online MarketingWeb Marketing
Learn more about Artificial IntelligenceDescription We provide hands-on marketing consultancy, blending analytics, AI-driven optimisation and channel planning to translate briefs into measurable, optimised campaigns.
Learn more about MarketingDescription We craft performance-focused social campaigns—creative, paid and organic—combining video, targeting and optimisation to cut through noise and drive measurable engagement.
Learn more about Social MediaDescription We build design-led, conversion-focused websites—end-to-end development, UX and optimisation—integrated with SEO and analytics for measurable growth.
Learn more about Website Creation
Team
38 members in Castle International's team
StoryWe launched Castle International in 2018 in Liverpool city centre with a simple belief: marketing works best when specialists work together. From day one we've built a tight-knit team of web developers, designers, SEO and PPC experts, social and affiliate marketers, videographers and content creators. Early on we learned that clients needed joined-up thinking as much as technical skill — coordinating campaigns, creative and analytics is where we shine. We thrive on turning complex briefs into clear, measurable plans and enjoy the hands-on work of execution and optimisation. Our passion is helping organisations cut through the noise with design-led digital experiences and performance-driven media that deliver real results.
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Contact
Contact details of Castle International
Details
- Headquarter17 Mann Island, Liverpool L3 1BP, UK