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“I have been working with Guillaume for several years. Guillaume is very professional in SEO, paid search and e-commerce website advice. If you need advice about websites, I recommend him! You won't be disappointed!”

“Looking for someone capable and effective? Then you can rely on Guillaume's sound advice 🙏”

“Guillaume has been supporting my startup for over a year now, and we are very happy with the advice and services he provides for our digital marketing and SEO strategy. Highly recommended!”

“We have used Guillaume's SEO and paid search services since late 2019. His expertise quickly translated into concrete results, both in top-three Google rankings and order volumes! I recommend him without hesitation!”

“Guillaume really listens and answers every question you might have. He takes time to understand your challenges and clearly explains everything he does on the project. I highly recommend Guillaume and am absolutely delighted to work with him.”

“Beyond his strong SEO and paid search skills, working with Guillaume means moving your digital strategy forward effectively while collaborating with someone deeply human, committed and attentive. A wonderful professional connection I recommend without hesitation!”

“Guillaume is highly skilled in a field that is completely mysterious and complex to me. You cannot become a digital marketing specialist overnight. His availability and approachability won me over during our first conversations for the project I entrusted to him in 2023. We still work together today, and I strongly recommend contacting him for your digital marketing needs.”

“Dedicated and effective, fully committed to his work. Excellent!”

“Guillaume is a key asset to our business and proactively suggests ways to improve essential metrics and find innovative solutions. Attentive and available, I highly recommend him!”

“Kind, serious about his work and excellent at explaining things, Guillaume at SEMZEN is one of those rare professionals I truly enjoy working with.”

“Guillaume Gonano knows his profession inside out. His responsiveness and the quality of his support make him an essential partner for a company's visibility and growth.”

“Great advice, knows his field and proactively makes suggestions, while always putting people first.”

“My website was created very professionally. Guillaume really listens to my requests and I love the result. Very responsive whenever I ask for something!”

“Work completed quickly and in line with the brief, with concrete results. Nothing to fault in the quality of his digital marketing services.”

“Guillaume and I work closely together and he is very professional. He knows SEO and paid search inside out. I highly recommend him to improve your campaigns and search strategies.”