GEO
How digital marketing actually works in 2026, and why most businesses are still using outdated strategies
How digital marketing actually works in 2026, including SEO, paid media, ecommerce, AI search, and why many UK businesses are still using outdated strategies.
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How Google Ads actually work in 2026, and why most accounts are quietly wasting money
How Google Ads really work in 2026, including automation, Performance Max, rising costs, and why most businesses waste budget by using outdated strategies. Written by Castle, a UK digital marketing agency.
Read moreGEO
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.
Read moreGEO
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.
Read morePPC
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.
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