KLH

4.7 (14 Verified Google Reviews)

Agency Headquarters

23, Rue Jean-Jacques Rousseau, Quartier Les Halles, Paris 1er Arrondissement, Paris, Île-de-France, France métropolitaine, 75001, France

KLH is a premier, performance-driven digital marketing agency dedicated to accelerating brand growth through sophisticated search engine strategies and data-led execution. As a certified Google Partner, KLH occupies an elite tier of digital service providers, granted exclusive access to advanced training, product betas, and direct support from Google. This partnership ensures that clients benefit from the latest innovations in advertising technology and the most current best practices in the ever-evolving search landscape. The agency’s expertise lies in the meticulous management of high-impact Google Ads campaigns, spanning Search, Display, Video, and Shopping networks. By leveraging deep-funnel analytics and proprietary optimization techniques, KLH transforms complex data into actionable growth strategies. Their team of certified specialists focuses on maximizing Return on Ad Spend (ROAS) by aligning keyword intent with high-converting landing page experiences, ensuring that every marketing dollar is deployed with precision. Beyond tactical execution, KLH provides a comprehensive strategic vision. They offer in-depth account audits, competitive landscape analysis, and rigorous A/B testing to maintain a sustainable competitive advantage for their clients. Through their Google Partner status, KLH remains at the forefront of industry shifts, utilizing early-access features and automated bidding insights to outperform market benchmarks. At KLH, the synergy of technical proficiency and creative strategy empowers businesses to scale effectively, capture market share, and achieve measurable, long-term success in the digital marketplace.

Featured Client Reviews

François MAURAS

★ 5

"KLH's support has enabled us to significantly increase our subscription numbers and boost brand awareness for La Tribune. The KLH teams are highly available and responsive, and they also offer valuable suggestions and sound advice. Their expertise in SEA and Data has led to excellent performance and continuous improvement in our objectives, particularly regarding our cost per acquisition."

Digital Villevert

★ 5

"For the past year, we've been working with KLH for our SEO, paid media, and digital strategy. Their expertise and personalized approach have significantly improved our online visibility and business results. Their team is responsive, professional, and always attentive to our needs. We highly recommend KLH to any business looking to optimize its digital presence."

Marie-Anne Bastide

★ 5

"A collaboration spanning several years and multiple professional lives with KLH. The agency adapts to each client's needs and the objectives of each campaign, challenging existing approaches and proposing relevant strategies. KLH's experts are responsive and available—true partners in achieving our marketing goals!"

Adrien Flury-Hérard

★ 5

"As a KLH client at Mail In Black, we are satisfied with the results achieved in B2B lead generation, particularly through their lead qualification processes prior to delivery. Their skilled team demonstrated a strong understanding of our industry and challenges, implementing effective strategies. KLH has proven to be a reliable partner for our company."

Clermont School of Business

★ 5

"KLH has been supporting us for the past five years. Over time, we have entrusted them with all of our paid campaigns (SEA, Social Ads, Data, and Tracking). ESC Clermont BS needs to communicate about numerous interconnected products, and the KLH teams have been able to adapt to our specific needs and market. Their knowledge of our products, their expertise in acquisition, and the agency's proactive approach have led to improved campaign performance in terms of both lead volume and profitability (CPA)."

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