
1. Technology overview
Ringle English Education Service is a Seoul-based provider of business English tutoring, headquartered on Teheran-ro in Gangnam. It connects working professionals with native-speaking tutors from well-known English-speaking universities and has expanded from consumers into corporate training, now serving employees of more than 200 companies from startups to global corporations.
Ringle for Business combines three products. 1:1 video tutoring pairs key talent with more than 2,000 tutors, over 75% of whom have work experience, using 1,300+ materials and job-specific curricula, with tutor feedback and an AI analysis report after every lesson. The AI Tutor app offers unlimited study, role-play and discussion practice tailored to roles and industries for company-wide training. An AI Speaking Test supports new-hire, experienced-hire and promotion assessments. HR teams use a learning management board to monitor attendance and progress, while Ringle's B2B team handles onboarding, reminders and satisfaction surveys.
2. Highlighted features & specifications
- 1:1 video tutoring: native tutors with industry experience give real-time correction on business speaking.
- Job-specific curricula: 1,300+ materials on business and current topics, with courses for functions such as marketing and production.
- AI Tutor: unlimited study, role-play and discussion practice tailored to roles and situations.
- AI analysis reports: objective feedback on speaking after each lesson.
- AI Speaking Test: assessment for hiring and promotion decisions.
- Learning management board: HR views and downloads team attendance and progress.
3. Potential application
- Korean-invested companies in Vietnam training local managers before overseas assignments or regional meetings.
- Tech startups preparing founders and sales teams for investor pitches and overseas sales.
- HR departments adding an AI speaking test to recruitment and promotion criteria.
4. Benefits
- One provider from training to assessment: tutoring, AI practice and AI speaking tests under one contract.
- Proven engagement: lesson satisfaction of 4.5, more than one million cumulative 1:1 lessons and a 70% B2B repurchase rate.
- Measurable gains: case examples show AI diagnostic scores rising by 9 to 10% after six months of tutoring.
- Low admin burden: Ringle runs attendance tracking and email, text and phone nudges for employees at risk of dropping out.
5. Market trends & opportunities
Korean and other Asian employers are expanding overseas and need staff who can pitch, negotiate and manage in English, while HR budgets favour programmes with measurable outcomes. Combining human tutoring for key talent with low-cost AI practice for everyone is becoming a common model. Vietnam hosts many Korean-invested companies whose local managers communicate with Korean headquarters and global partners in English.
6. Other information
Ringle English Education Service Inc. is based at Teheran-ro 38-gil 8, Gangnam-gu, Seoul; co-CEOs Sungpah Lee and Seunghoon Lee. Named a Korea Consumer Appraisal Brand for six consecutive years (2020-2025). Patent applications filed in 2023-2024 cover English speaking learning, pronunciation diagnosis and speaking assessment. Corporate users include Toss.
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