They have
trusted us.
From Belgian SMEs to major international accounts — concrete, measurable and verifiable results. Discover why our clients stay with us.
Companies that have trusted us
Numbers that speak for themselves
average organic traffic growth observed among our SME clients within 6 months
average ROI on long-term SEO investments
in Belgium in their niche for multiple clients — in under 15 months
years of combined entrepreneurial and digital experience across the team
What our clients say
All reviews below are verified LinkedIn reviews — no anonymous feedback, no fabrication.
« Nathalie is an outstanding SEO expert with a deep and strategic understanding of digital marketing. Her expertise goes far beyond mastering algorithms — she crafts innovative, data-driven strategies that drive real business results. Nathalie played a pivotal role in optimizing digital projects for French-speaking markets. A true asset for any company aiming to strengthen its digital presence. »
« Nathalie is a top-flight SEO consultant, impressive in her results and creativity. Professional, passionate, and impactful — she combines true expertise with a human touch. All our data was turned to gold. I highly recommend her. »
« Nathalie is a little SEO genius, truly in a class of her own. Competent, technical and rigorous, she achieves tangible results in ultra-competitive environments. Pragmatic and highly creative — her advice has always been spot on. A genuine expert in the latest trends. »
« Working with Nathalie on our online business strategy in supply chain management delivered immediate sales increase and market extension. She has an exceptional skillset to translate business strategy into powerful online representation. Great person to work with. »
« I have known Nathalie since the late 1990s. She impressed me from the outset with her energy, entrepreneurial spirit, and her drive to look beyond the surface. The sharpness of her thinking, her ability to challenge received wisdom and spark creativity have inspired some of the best ideas I have championed in several parliamentary reports. »
« Passionate and responsive SEO experts. Within just a few weeks we could already see improvements and were able to stop our paid advertising campaigns. We highly recommend Ligne 1's services! »
« Ligne 1, thank you for your support and your invaluable contribution. Your clear, direct approach focused on relevant keywords delivered excellent results. We are delighted with your professionalism and commitment. »
« In a sensitive period, e-reputation management is crucial. Ligne 1 quickly identified the problematic content and put in place an effective strategy to protect my online image. A reactive, discreet and irreproachably professional team — exactly what I needed. »
« We entrusted Ligne 1 with the creation of our website and the result exceeded all our expectations. Modern design, ultra-fast loading, and several clients contacted us through the site in the very first month. Nathalie perfectly captured our identity and values. We recommend without hesitation! »
From 200 to 1,800 visitors/month
ROI × 10 in 12 months
SME in IT services in Liège — SEO budget of €1,500/month over 12 months.
monthly organic visitors, no pages ranking in positions 1–3
quote requests per month via the website
presence on Google Maps in the target area
monthly organic visitors (+800%), 12 keywords in Top 3
quote requests per month — that's 22× more than before
estimated additional revenue → ROI of 10x