Market Fit Lab

Market Fit Lab is a growth consulting firm headquartered in Seoul that helps businesses achieve evidence-based growth through rigorous experimentation and data analysis. With over 5 years of experience and 250+ consulting projects completed, the firm serves clients ranging from startups to major enterprises including Samsung, Hyundai Motor Company, LG Electronics, LG CNS, and SK Networks.

The company offers both coaching-style consulting, where they help organizations build internal growth capabilities, and hands-on consulting where their full-stack team of researchers, designers, developers, and data analysts work directly on client projects. Their service areas include growth diagnostics, conversion rate optimization (CRO), product-market fit validation (PMF), language-market fit testing (LMF), data analytics and experimentation infrastructure setup, and CRM implementation.

Market Fit Lab is the official Korean partner for leading growth technology solutions including Mixpanel for product analytics, VWO/AB Tasty/Optimizely for A/B testing, MoEngage and OneSignal for CRM, and AppsFlyer for mobile attribution. Their team of approximately 40 professionals includes data engineers, senior business analysts, product managers, and marketers with proven track records of driving growth at startups.

Market Fit Lab partners with Vapi to bring voice AI capabilities to Korean enterprises seeking to enhance customer engagement and optimize conversion funnels. By integrating Vapi's voice AI platform into their growth consulting engagements, Market Fit Lab helps clients deploy intelligent voice interactions that can be measured, tested, and optimized using the same rigorous, data-driven methodology they apply to all growth initiatives.

The partnership enables Market Fit Lab to extend their expertise in A/B testing and conversion optimization to voice-based customer touchpoints. When implementing voice AI solutions with Vapi, Market Fit Lab applies their established frameworks for experimentation and measurement, helping clients understand the impact of voice interactions on key metrics like activation rates, retention, and customer lifetime value.

For Korean businesses looking to implement voice AI, Market Fit Lab provides end-to-end support from strategy through implementation, combining their deep understanding of the local market with Vapi's advanced voice AI technology. Clients benefit from Market Fit Lab's ability to integrate voice AI into broader growth programs, ensuring voice channels are optimized alongside web, mobile, and CRM touchpoints for maximum business impact.