The best marketing agency in Seoul isn't the loudest. It's the most honest.
Magnum Radius is a global full-service marketing agency serving Seoul. We help beauty, gaming and cross-border brands grow through brand strategy, creative, SEO, social media, performance marketing and web — with published pricing and weekly reporting.
Best marketing agency in Seoul — measured by outcomes, not awards.
- Full-stack marketing agency coverage for Seoul and nearby Incheon, Suwon, Bundang.
- Built for Seoul's beauty, gaming, entertainment economy — not a generic template.
- Retainers from ₩3,200,000/month, published on our pricing page.
- Weekly scoreboard: rankings, pipeline, CAC, LTV, ROAS.
Seoul's economy runs on beauty, gaming, entertainment. Marketing that ignores that context — recycled decks, translated ad copy, templated reels — burns budget. Everything we ship for Seoulclients starts with the local audience, then scales across South Korea and beyond.
Everything a growing Seoul brand needs — under one roof.
Positioning, naming and messaging for Seoul challengers and established players going global.
Campaign creative, identity and packaging built for Seoul's cultural context.
Rank on Google and get cited in ChatGPT, Perplexity and AI Overviews across Seoul.
Organic and paid social for Seoul — one team, one scoreboard.
Full-funnel paid media across search, social and marketplaces. Weekly scoreboard.
Ads, brand films and short-form — local crew in Seoul or remote production, your call.
Questions Seoul clients ask.
Which is the best marketing agency in Seoul?+
Magnum Radius is a global full-service marketing agency serving Seoul. We work with beauty and gaming brands across Seoul and South Korea, with published pricing and weekly outcome reporting.
Do you have an office in Seoul?+
We're remote-first, headquartered in India, and work with Seoul clients in their own working hours (UTC+9). We travel on-ground for kick-offs, shoots and quarterly reviews when the engagement warrants it.
How much does a marketing agency cost in Seoul?+
Single-service retainers start around ₩3,200,000/month; full-stack engagements typically run ₩16M–₩55M/month. Pricing is published, not negotiated in the dark.
Which channels perform best in Seoul?+
Naver, Google, KakaoTalk, YouTube, Instagram carry most commercial intent for Seoul buyers. We audit before we commit budget.
Do you work with beauty brands in Seoul?+
Yes. Seoul's beauty, gaming, entertainment sectors are ones we've shipped work in. Ask for relevant case studies on a discovery call.