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One Plan Marketing is a data-driven digital marketing agency established in 2019. It offers integrated marketing solutions centered on operating ads on Naver, Google, and Meta, including influencer marketing and content planning. The agency has achieved an average 2035% improvement in advertising efficiency and managed over 5 billion KRW in cumulative ad spend.
One Plan Marketing Co. Ltd. is a data-driven digital marketing agency founded in 2019 and headquartered in Seoul, South Korea. The agency operates under the philosophy of presenting personalized, optimized plans for brand growth, conducting all projects based on data analysis and market understanding. It focuses on improving advertising efficiency and delivering tangible results for clients.
The agency's core service is an integrated marketing solution centered on operating ads across Naver, Google, and Meta. This includes influencer marketing, social media channel management, and content planning and production. All advertising is managed 100% in-house without outsourcing, handling the entire process from setup to A/B testing, real-time monitoring, and optimization. Through this approach, One Plan Marketing reports an average 2035% improvement in advertising efficiency.
One Plan Marketing offers a range of services including SEO, AI development, branding, AEO (Answer Engine Optimization), digital marketing, social media marketing, and advertising. The agency has developed expertise in AI marketing, education digital marketing, generative engine optimization (GEO), and insurance SEO. GEO represents a next-generation marketing approach that optimizes brand exposure and recommendations within AI search environments such as ChatGPT and Gemini.
The agency serves a diverse set of industries including AI, corporate services, education, fashion, automotive, boutique, fintech, food and beverage, media & communications, and insurance. Client types range from small businesses to enterprise and corporate organizations. Notable clients include Convention & Exhibition Center, XEXYMIX, Mulawear, Bundang Jeil Women's Hospital, Korea University Education Council, and Winkstone Partners.
One Plan Marketing has collaborated with over 200 companies and managed over 5 billion KRW in cumulative advertising expenditures. The agency reports a customer satisfaction rate exceeding 95%. While no Google reviews are available, the agency's self-reported metrics indicate strong client satisfaction and performance.
Beyond advertising services, One Plan Marketing acts as a partner that defines a brand's Unique Selling Proposition (USP) and designs sustainable growth strategies based on it. The agency's core value is creating the next generation of brand growth through data, strategy, and execution.
Services
- SEO
- AI Development
- Branding
- AEO
- Digital Marketing
- Social Media Marketing
- Advertising
Industries Served
Team Size
Pros
- 100% in-house management with no outsourcing
- Average 2035% improvement in advertising efficiency
- Customer satisfaction rate exceeding 95%
- Managed over 5 billion KRW in cumulative advertising expenditures
- Collaborated with over 200 companies across diverse industries
- Adopts Generative Engine Optimization (GEO) for AI search environments