Koray Tugberk GÜBÜR is a Fortune 500 SEO and business consultant, data-driven researcher, and the founder of Holistic SEO & Digital, a consultancy focused on semantic SEO, topical authority, and entity-based search optimization.
Based in Istanbul, Koray Tugberk GÜBÜR works at the intersection of SEO, data science, machine learning, and web development. His approach goes beyond traditional ranking models and focuses on structuring brands as entities within search ecosystems, improving contextual relevance, thematic depth, and long-term organic growth across all surfaces of the web.
Koray graduated from Yeditepe University and has worked with more than 200 companies across Europe, Africa, and North America. His client work spans enterprise brands, venture-backed companies, and complex digital ecosystems where SEO must integrate deeply with product, engineering, and business strategy.
He is widely known for publishing in-depth SEO case studies, controlled A/B tests, and detailed research backed by real data. His work includes documented success stories, semantic SEO frameworks, SERP behavior analysis, and experiments focused on topical authority, information retrieval, and algorithmic understanding. His research and writing have been featured in leading SEO newsletters and platforms, and he was named Serpstat’s most-read author in 2020.
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Holistic SEO & Digital operates as both a consultancy and an educational platform. Koray positions the company as a bridge between developers and marketers, emphasizing that sustainable organic growth requires tight integration between code, content, and search understanding. The firm focuses on semantic content networks, entity-oriented site architecture, and advanced technical SEO rather than short-term tactics or “10 blue links” thinking.
In addition to his consultancy work, Koray is an ambassador for WhitePress, where he contributes to industry education through keynote talks, webinars, articles, and transparent sharing of real-world data and results. His role centers on advancing SEO culture through clarity, experimentation, and evidence-based practices.
Koray is also active as a speaker at international SEO events and webinars, particularly on topics such as semantic search, core algorithm updates, machine learning in SEO, and contextual relevance. His work is recognized for its depth, technical rigor, and focus on long-term search ecosystem alignment rather than surface-level optimization.
His philosophy centers on designing organic growth systems that are structurally sound, semantically complete, and resilient to algorithm changes – treating SEO as an applied science rather than a checklist.
