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GEO and SEO in 2026: how search really works now, and why most brands are already behind
An in-depth guide to GEO and SEO in 2026, explaining how AI search works, why rankings are changing, and how brands can stay visible in generative results.
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.
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 moreGEO
How to take advantage of GEO in 2026
GEO is quickly replacing SEO as the real driver of online visibility. Instead of chasing search rankings, brands now need to train AI systems to recognise their expertise, quote their answers, and surface their content across Google SGE, ChatGPT, and Perplexity. The brands that understand this shift early will dominate AI search in 2026, because GEO rewards clarity, consistency, and authority. This guide explains how to build a footprint that AI trusts and how to position your business so that generative engines choose you every time a user asks a question.
Read moreMarketing
Why GEO Matters More Than SEO in 2026
GEO is the shift from ranking on Google to appearing in AI generated answers. Instead of competing for a place on a results page, brands now compete to be included in the single response people receive when they ask ChatGPT, Meta AI or Perplexity a question. If AI cannot understand who you are, which market you serve or why you are credible, you will be excluded. GEO fixes that by clarifying your identity, removing digital noise and training AI models to recognise your expertise. It is the difference between being discoverable and being invisible in 2026.
Read moreMarketing
What to Expect in Early 2026: The Marketing Shifts Already Taking Shape
The first part of 2026 is shaping up to be a strange mix of stability and disruption. Brands are operating in a world where audience attention is splintered, algorithms feel increasingly opaque, and AI search is quietly reshaping how people discover information. The companies that win in 2026 will be…
Read moreMarketing
The Future of AI in Digital Marketing: What It Means for Brands in 2026
AI is transforming digital marketing, from content creation and audience targeting to generative search optimisation. Here’s how brands can prepare for 2026 with a smarter, human-led approach.
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 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.
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