What Septeni does

Septeni Co., Ltd. (株式会社セプテーニ) is a Japanese digital marketing services company founded in October 2006 and headquartered in Shinjuku, Tokyo, with a secondary office in Osaka. Operating as a core subsidiary of SEPTENI HOLDINGS CO., LTD., the company provides integrated, full-funnel marketing services spanning brand awareness, customer acquisition, and retention, supported by a strategic alliance with Dentsu Group that enables seamless online-offline campaign coordination. Septeni serves enterprise and mid-market advertisers across verticals including e-commerce/D2C, beauty and medical aesthetics, financial services, travel, automotive/subscription, recruitment, and CPG, delivering both agency services and proprietary technology solutions.

The company's technology stack centers on an AI-powered digital marketing platform built around the PRECOG suite (Data Hub, Optima, Base, DCR), Odd-AI (deep-learning-based creative effectiveness prediction), CDP implementation services, HARPASS dashboard, XYhai MMM/causal inference, and SaiL (AI-powered LPO co-developed with DLPO). These tools address the post-cookie measurement challenge and leverage 20+ years of accumulated advertising and creative data, with some AI components developed through industry-academia collaboration with university research institutions. The company holds PrivacyMark certification under JIS Q 15001:2017 for personal information protection.

Septeni generates revenue through professional-services fees for digital marketing engagements on a per-project or retainer basis via direct enterprise sales and co-selling arrangements with Dentsu Group. Distribution is direct-to-enterprise within Japan, supplemented by a network of over 70 group companies spanning digital marketing, data solutions, CRM (Tricorn), creative production (Septeni Ad Creative), ad networks (SEPTENI CROSSGATE), and international operations across Asia Pacific, North America, China, South Korea, and Southeast Asia. The company maintains top-tier agency certifications with Google, Meta, TikTok, LINE/Yahoo, Twitter/X, Criteo, and TVer (Gold Partner for 5 consecutive years), and has earned recent recognitions including the TikTok for Business Japan Agency Awards 2026 Grand Prix "Agency of the Year" and multiple LINE Yahoo Partner Awards.

Name

Septeni

Legal name

株式会社セプテーニ (SEPTENI CO.,LTD.)

Website

https://septeni.co.jp

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

101–250 employees

Short description

Septeni is a Japanese digital marketing agency and subsidiary of SEPTENI HOLDINGS, serving enterprise advertisers with full-funnel marketing services, proprietary AI/data platforms (PRECOG, Odd-AI, CDP, SaiL), and a strategic alliance with Dentsu Group.

Ownership category

akta.pro rank

Product category

Digital Marketing Services

NAICS

Media Buying Agencies (541830), Advertising, Public Relations, and Related Services (5418)

SIC

Services-Advertising Agencies (7311), Services-Advertising (7310)

akta.pro primary industry

Affiliate & Partner Marketing (Performance Partnerships) (BPAFACAE)

akta.pro secondary industry

Affiliate & Performance Creator Programs (BPAFAHAG)

Keywords

• Digital marketing services
• Internet advertising agency
• Data-driven marketing
• Conversion rate optimization
• Marketing automation

Headquarters

HQ city

Shinjuku

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D

Revenue model

1. Digital Marketing Agency Services: Septeni generates revenue primarily through fees for digital marketing services including integrated marketing campaigns, advertising operations, and data-driven marketing solutions. Services span the full-funnel from brand awareness through customer acquisition and retention, including online and offline integration with Dentsu Group.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Septeni is a Japanese digital marketing agency that provides integrated marketing services spanning brand awareness through customer retention. The company delivers advertising operations, creative production, landing page development, data solutions, and AI-powered marketing tools to enterprise advertisers. Its offering combines full-funnel campaign execution with proprietary data and AI platforms (Odd-AI, PRECOG suite, HARPASS, XYhai, SaiL) and a strategic alliance with Dentsu Group for online-offline integrated marketing.

Product overview

Septeni is a digital marketing services company with three core pillars: Integrated Marketing (full-funnel marketing from brand awareness to customer nurturing, including Dentsu Group alliance), Data (comprehensive data solutions including Odd-AI, PRECOG suite with DATA HUB/Optima/Base/DCR, CDP, HARPASS, XYhai, and SaiL), and Talent Development (CDP career program and Septeni Academia online learning). The data solutions portfolio includes AI-powered creative prediction (Odd-AI), data integration platforms (PRECOG DATA HUB), predictive analytics (PRECOG Optima), post-Cookie measurement (PRECOG Base), data clean rooms (PRECOG DCR), customer data platforms, marketing dashboards (HARPASS), MMM/causal inference (XYhai), and AI LPO tools (SaiL). Additional offerings include CRO packages with beBit, KENSHIN search diagnostics, and ad verification services.

Differentiator

Problem solved

Functional benefit

Brands

• Odd-AI: AI-powered advertising creative solution tool that predicts creative effectiveness and performs factor analysis using deep learning technology
• PRECOG
• PRECOG Optima
• PRECOG Base
• PRECOG DCR
• HARPASS
• SaiL
• CDP (Career Development Program)
• Septeni AcademIA

Products and services

• Odd-AI

Quantifiable outcome

• CVR improved by 1.1x and CPA reduced to 92% for Shinagawa Beauty Clinic within 1 month of CRO package implementation
• +2 more outcomes

Named customers7 records

Segments3 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration10 records

AI capability9 records

Feature10 records

Partnerships

Six partnerships are on record, tiered core and minor.

• Dentsu GroupcoreStrategic or Co-development PartnerSepteni and Dentsu Group have established a strategic alliance combining Septeni's specialized digital marketing capabilities with Dentsu's traditional media reach. The partnership enables seamless online-offline integrated marketing, addressing how to combine and evaluate online and offline elements to maximize marketing goals and KPIs. The synergy brings highly specialized know-how to provide high-value-added services to clients.
• DLPO (SaiL)minorStrategic or Co-development PartnerDLPO and Septeni co-developed 'SaiL', an AI-powered LPO tool. The joint development combines DLPO's AB testing and personalization expertise with Septeni's digital marketing capabilities for end-to-end conversion optimization.
• beBit (USERGRAM)coreStrategic or Co-development PartnerSepteni and beBit jointly offer the 'CRO Package' combining beBit's USERGRAM user behavior analytics tool with Septeni's creative production and implementation capabilities. The partnership enables data-driven LP and landing page optimization, achieving CVR improvements for clients like Shinagawa Beauty Clinic (1.1x CVR improvement, CPA reduced to 92%).
• TVercoreChannel Partner/ Reseller/ DistributorSepteni is a long-standing partner of TVer for connected TV advertising. The company has been awarded TVer Sales Awards Gold Partner for 5 consecutive years and has co-hosted seminars with TVer on advertising utilization.
• University Research Institutions (Industry-Academia Collaboration)minorStrategic or Co-development PartnerSepteni develops AI solutions through industry-academia collaboration with university research institutions. The proprietary tool 'Odd-AI' was developed through this collaboration, leveraging academic expertise in deep learning combined with Septeni's accumulated advertising data.
• GOKKO (Short Drama Collaboration)minorStrategic or Co-development PartnerSepteni cooperates with GOKKO, a short-drama pioneer, to build a framework for comparing short-drama promotion results with other promotional measures, verifying the advertising value of short-drama content.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• CyberAgent: CyberAgent is Japan's leading internet advertising and digital media company with flagship digital agency operations and proprietary ad-tech. Most direct comparable: a Japanese digital marketing agency of similar scale competing for the same advertiser budgets across performance and brand.
• Hakuhodo: Japan's second-largest advertising agency, offering integrated creative, media and digital services to large Japanese advertisers. Comparable as a domestic full-service agency competing for enterprise marketing budgets across online and offline channels.
• ADK Holdings: ADK is one of Japan's major advertising agency groups with established digital and creative operations. Comparable as a competing Japanese agency network pursuing integrated marketing mandates from large advertisers.
• FreakOut Holdings: FreakOut is a Japanese digital advertising company with a programmatic DSP and integrated digital marketing services. Comparable as a Japan-based competitor in performance and programmatic advertising with similar mid-market to enterprise advertiser targets.

Broad incumbents

• Dentsu Group: Dentsu is Japan's largest advertising holding group and Septeni's named strategic alliance partner. Overlapping in client roster and integrated marketing services, but Dentsu operates as a much larger global incumbent across creative, media and CX.
• WPP: WPP is one of the global advertising holding companies (GroupM, Ogilvy, VMLY&R, AKQA) with significant operations in Japan. Comparable as a broad incumbent offering overlapping digital marketing and data services to large multinational and Japanese enterprises.
• Publicis Groupe: Publicis is a global advertising holding group operating Publicis Sapient, Digitas, Starcom and other digital-first brands. Comparable as a broad incumbent with deep data, AI and digital transformation offerings that overlap with Septeni's PRECOG and AI creative stack.
• Omnicom Group: Omnicom is a global advertising holding company whose networks (OMD, BBDO, DDB, Hearts & Science) compete for integrated marketing and analytics mandates. Comparable as a broad incumbent addressing similar enterprise advertiser needs.
• Interpublic Group: IPG owns McCann, MullenLowe, Mediabrands and digital specialists like R/GA, competing for global and Japan-based advertiser mandates. Comparable as a broad incumbent with digital marketing and analytics capabilities.
• Accenture Song: Accenture Song is the experience and marketing services arm of Accenture, combining technology, data and creative for enterprise customers. Comparable as a broad incumbent whose data and AI capabilities compete for the same enterprise marketing transformation wallet.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/Septeni_PR
• Facebookfacebook.com/septenigroup
• LinkedInlinkedin.com/company/septeni

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Subsidiaries16 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments3 records

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Septeni