Recommendations

A comprehensive answer to 'which GEO companies are worth recommending.' Compares domestic Korean (Intermajor, ZESTCOMPANY, Narr/Answer, BizSpring, etc.) and global monitoring tools, diagnosis solutions, and agencies by founding, headquarters, and differentiators.

Five Korean GEO services categorized into four operational types — viral, content, measurement tool, and managed solution — and compared directly on engine count, Korean-language support, and pricing. Public specs for Zest Company, OPTIGEO, GPTO, SOHA, and BOIDA BVI plus a five-point pre-contract checklist, benchmarked as of 2026.