Sempai

Based in Kraków, Sempai works with e-commerce businesses and other companies seeking to grow online sales, with a client base that includes online stores, voucher and events platforms, and other digital sellers. The agency has been operating for close to two decades and states a team of over 120 specialists, positioning itself around performance-driven marketing for retail and lead-generation clients. Its case studies point to work with companies such as furniture retailers, voucher marketplaces, and B2B event organizers, indicating experience across a range of industry verticals rather than a single niche. Services cover paid advertising (Google Ads, Meta Ads, Microsoft Ads, TikTok Shop) tailored to e-commerce accounts, alongside SEO work that includes store positioning, SEO audits, AI-oriented positioning, content production for online shops, and site migrations. On the analytics and optimization side, the agency handles Google Analytics 4 implementation, conversion rate optimization, marketing automation, consent management platforms, and analytics consulting, along with lead generation support. Additional offerings include marketplace marketing (including Allegro account management), social media marketing, graphic and video content production, and digital strategy consulting. The agency also publishes SEO and GEO reports, runs a podcast on data-driven marketing, and offers training through an in-house academy, webinars, and downloadable guides covering PPC and SEO topics.