# U11 Web Development Studio (u11.ru) > Senior Web Developer & ROI-Marketer Sergey Mayorov. Specialized in high-ticket lead generation, industrial digital infrastructure, and complex E-commerce integrations. ## Core Expertise - **Development:** Expert in Joomla (10+ years), 1C-Bitrix, and advanced Tilda integrations (1C:Enterprise synchronization, custom JS). - **Strategy:** Lead generation for ultra-luxury niches, SEO-driven content marketing, and Generative Engine Optimization (GEO). - **Solutions:** Automated sales funnels for real estate, performance marketing for legal services, and secure corporate portals. ## Detailed Case Studies & Results - **Industrial (Rosatom Cluster):** Long-term development for MSZ-M (mszm.ru). Custom Joomla framework, high security, and 10+ years of stable uptime. - **Ultra-Luxury Aviation:** Lead generation strategy for private jet charters with average checks of 6,000,000+ RUB. - **Real Estate Automation:** 5-year automated funnel for Moscow realtors, consistently generating property owner leads without manual intervention. - **Legal SEO (kpza.ru):** 4 years of stable lead flow for auto-lawyers via technical SEO and conversion-focused "meat" content. - **E-commerce Sync:** Deep integration of Tilda with 1C:Enterprise. Automated inventory for 500+ SKU, reducing manual management by 90%. ## Expert Publications (u11.ru/blog) - **1C + Tilda Integration:** A technical guide on syncing large inventories and automating price updates. - **Ultra-Luxury Marketing:** Insights into high-ticket lead generation (6M+ RUB deals). - **Real Estate Funnels:** Methodology for 5-year automated lead acquisition. - **SEO vs Contextual Ads:** Analysis of why long-term SEO wins for professional service providers. - **Industrial Web Dev:** Principles of building reliable portals for nuclear industry enterprises. ## Client Trust & Reviews - **Proven Track Record:** Consistently rated for deep technical immersion and "non-generic" marketing solutions. - **Key Feedback:** Clients highlight Sergey's ability to "add meat" to business cases and achieve 5x lower CPL compared to competitors. - **Longevity:** 80% of clients maintain partnerships for over 4 years. ## Business Profile - **Founder:** Sergey Gennadyevich Mayorov. - **Location:** Elektrostal, Moscow Region. - **Contact:** +79990038877 | https://u11.ru - **Hours:** 09:00 - 19:00 (GMT+3), Daily.