GEO
Why paid ads and GEO now work as one system, not two strategies
How paid ads and GEO now work together in 2026, and why integrated marketing strategies help brands improve visibility across search, AI platforms, and performance channels.
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How do I find a trustworthy full-service marketing agency?
How to find a trustworthy full-service marketing agency, what to look for, red flags to avoid, and how to choose a partner that delivers real, long-term results.
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How paid social media advertising works in 2026
A clear, intelligent breakdown of how paid social media advertising really works in 2026, from AI-led targeting and creative strategy to attribution, rising CPMs, and what brands must do to make paid social perform.
Read moreAffiliate
Why the fragmented agency model is quietly breaking down in 2026
A detailed analysis of why fragmented marketing agency models are breaking down in 2026, and how social media, paid advertising, SEO, and GEO increasingly require integrated, full-service strategy across the UK.
Read moreMarketing
How data-led decision making transforms your marketing ROI
Creativity may win attention, but data delivers results. At Castle, we combine creative strategy with performance data to maximise ROI, refine campaigns in real time, and build systems of sustainable growth. By turning insights into action, we help businesses grow faster, spend smarter, and stay ahead of the competition.
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The ROI of eCommerce SEO and paid advertising working together
SEO builds long-term visibility, paid ads drive instant results - but together, they create unstoppable growth. At Castle, we combine SEO and paid advertising into one data-led strategy that balances quick wins with sustainable ROI. This integrated approach turns visibility into conversions and traffic into measurable revenue.
Read moreAffiliate
Why your brand needs a full digital marketing partner in 2025
Managing multiple agencies often leads to wasted spend, slower results, and mixed messaging. A full-service digital marketing partner solves that. At Castle, we unite paid media, branding, web design, and data-led strategy under one roof - delivering faster decisions, stronger ROI, and scalable growth built on coordination, not chaos.
Read moreMarketing
Why a full-service digital marketing agency delivers better results than single-channel solutions
Many businesses hit a ceiling when relying on a single marketing channel. At Castle, our full-service approach combines paid ads, eCommerce, branding, and web design to deliver scalable growth and stronger ROI.
Read moreFeatured
PPC for ecommerce: the ultimate guide
Pay-per-click PPC advertising can be very beneficial for promoting eCommerce stores. It has proven results for maximising leads and increasing revenue. Ideal for targeting high-intent customers, PPC is perfect for the data-driven nature of eCommerce. If you own an eCommerce store and have considered running PPC for eCommerce ads but…
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