Kirill Timofeev

We run ROI-oriented cold email outreach for B2B lead generation, handling lead sourcing and validation, infrastructure setup and deliverability, multi-step campaign strategy and copywriting, inbox management and appointment setting. We work as a boutique agency with a limited number of clients, spanning legal services, fintech, real estate, ecommerce, startups, education and other B2B and niche verticals, and we work with clients globally. We are based in Belgrade, Serbia, and travel for projects lasting a month or longer. In 2025 we sent more than 539,000 cold emails, generated over 3,100 leads at a 1.8% prospect-to-lead rate, and maintain an average client retention of 1.5 years. We have worked in email marketing since 2014. Our stack includes Instantly, Apollo, Hunter, Smartlead, Clay, SendGrid and ChatGPT.