July 15, 2026

Episode 29: Darren Ralphs (Sylvera) - AI, SEO and the New Rules of B2B Content

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Episode summary

Darren Ralphs, Content Lead at Sylvera, discusses how B2B content strategy is adapting to AI search and LLM visibility on Episode 29 of Scaling Green Tech, a podcast by Adopter.

Ralphs argues that Sylvera's visibility in tools like ChatGPT and Perplexity depends less on publishing volume than on signalling recency and authority. He points to Sylvera's practice of mining long-tail search terms from sales calls and Notion documentation, a technique he links to stronger LLM citation performance. This approach, combined with a systematic refresh of ageing blog content, contributed to Sylvera topping Adopter's GEO readiness report on the climate data sector, ahead of every other company assessed.

This episode is relevant for founders resourcing a small marketing team, B2B marketing leads in climate tech, and content marketers exploring GEO and LLM visibility strategy.

Guest profile

Darren Ralphs is Content Lead at Sylvera. He joined the company in December 2024 and leads thought leadership and long-form content as the sole dedicated content marketer on Sylvera's marketing team, working alongside a product marketer and external SEO agencies.

Sylvera assesses and rates the quality of carbon credit projects for both buyers and developers in the carbon markets. Founded in 2020, the company has grown from fewer than 10 people to around 150, with offices in the UK, New York, Singapore, and Japan. Sylvera's offering has expanded from carbon project ratings into a data platform, a geospatial product, and green commodities.

Explore the Sylvera website.  

Find Darren Ralphs on LinkedIn.

Key takeaways

  • Sylvera's organic Google search traffic doubled over the past year, driven largely by refreshing the top 50 organic blog posts with updated data, dates, and positioning rather than solely publishing new content.
  • Sylvera ranked first among 111 companies assessed in Adopter's GEO readiness research covering the climate, nature, and carbon data space.
  • Sylvera's flagship State of Carbon Credits report, published each January, is treated as a top-of-funnel asset that is then broken into quarterly mini reports, webinars, and audience-specific content cuts throughout the year.
  • Ralphs is Sylvera's only dedicated content marketer, relying on external agencies for blog production and SEO execution, an example of scaling content output through prioritisation rather than headcount.
  • According to Ralphs, founder-led and executive-led LinkedIn content at Sylvera generated seven to eight times more engagement than posts from the company page.
  • Sylvera's blog receives approximately 3,000 views per week, which Ralphs cites as one of the clearest drivers of pipeline and marketing-influenced deals.
  • On technical SEO, Adopter's assessment found most of Sylvera's pages scoring around 50 out of 100 on page speed, below the 80-plus threshold considered strong for ranking.

Frequently asked questions

What is GEO in marketing?
How can a company improve its visibility in AI search results?
Why does refreshing old content improve search performance?
Does founder-led content perform better than company page content on LinkedIn?
What are AI writing tells that make content look AI-generated?

About Scaling Green-Tech

Scaling Green-Tech by Adopter is a podcast for people shaping the future of climate technology - founders, investors, and ecosystem leaders at the forefront of adaptation and resilience solutions. As part of Adopter’s mission to accelerate the adoption of high-impact climate innovation, the podcast aims to amplify real voices and practical insights that can help others navigate the startup journey. These conversations go beyond the hype to bring real, unfiltered stories - the wins, the roadblocks and everything you need to know in between.

Read the full transcript here
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