Mainichi Advertising Co.

What Mainichi Advertising Co. does

Mainichi Advertising Inc. (brand name MAIKO / 毎日広告社) is a privately held Japanese full-service advertising agency headquartered in the Palace Side Building East Core, Chiyoda-ku, Tokyo, occupying the 1st and 4th floors. The company serves Japanese enterprises and organizations with integrated communication solutions across five business areas: communication design, creative, digital solution, promotion, and media solution. Its named clients span OTC pharmaceuticals (Kowa Co., Ltd.), consumer electronics (Haier Japan Sales), footwear and apparel (Haruta Co., Ltd.), news media (The Mainichi Newspapers Co., Ltd.), and transportation/logistics associations (Kanagawa Prefecture Truck Association), indicating a horizontal segmentation strategy across large domestic corporate buyers.

The service portfolio spans the full advertising lifecycle: strategic planning, copywriting, design, video production (CM and web video), web production, SNS operations, digital advertising management, event execution, PR, and media placement. The agency's technology layer is best characterized as a digital advertising and media solutions stack that integrates web production, social media operations, and online ad management with premium media-channel access through three core channel partnerships: The Mainichi newspaper, Rakuten Vision digital signage at Shibuya Crossing, and Nagoya Station underground LED. No proprietary software platform, SDK, API, or app is offered; the technology is operational rather than productized.

Revenue is generated through professional service fees on a project-negotiated basis, with no publicly disclosed pricing, ARR, revenue figures, or headcount. The go-to-market is enterprise field sales — direct engagement with corporate clients in Japan through the company website contact channel and presumably a direct sales team. The company is privately held with no disclosed investors, parent company, subsidiaries, M&A activity, or public-listing plans. Operating geography is Japan, with channel-partner-driven reach into Nagoya and other domestic markets rather than international expansion.

Name

Mainichi Advertising Co.

Legal name

Mainichi Advertising Inc.

Website

https://maiko.co.jp

Company type

Private

Founded year

1948

Operating status

Operating

Headcount range

51–100 employees

Short description

Mainichi Advertising Inc. (MAIKO) is a privately held, Tokyo-based full-service advertising agency serving Japanese enterprises with integrated communication design, creative, digital, promotion, and media-placement services across premium channels including Mainichi Shimbun and Shibuya Crossing digital signage.

Ownership category

akta.pro rank

Product category

Advertising Agency Services

NAICS

Advertising Agencies (54181), Indoor and Outdoor Display Advertising (54185)

SIC

Services-Advertising Agencies (7311)

akta.pro primary industry

Integrated Advertising (Brand + Performance + Media) (BPAFAAAA)

akta.pro secondary industries

Large-Format / Spectacular OOH (Building Wraps, Digital Spectaculars) (MPAAAKAF), Transit & Transport OOH Advertising (Bus, Rail, Airport) (MPAAAKAC), Out-of-Home (OOH) Media Planning & Buying (MPAAABAG)

Keywords

• Advertising agency services
• Media planning and buying
• Creative campaign design
• Digital advertising solutions
• Out-of-home advertising

Headquarters

HQ city

Takatsu-ku

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Marketing or Sales, Operations, Others

Revenue model

1. Advertising Services Revenue: Full-service advertising agency providing comprehensive solutions including strategy planning, creative development, digital solutions, promotion, and media solutions. Revenue is generated through professional service fees for campaign development, creative production, media placement, and ongoing advertising operations for corporate clients.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Mainichi Advertising (MAIKO) is a Tokyo-based advertising agency that plans and executes integrated advertising campaigns for Japanese corporate clients. Its offering spans Communication Design strategy, Creative production, Digital Solution services, Promotion, and Media Solution services, leveraging access to The Mainichi newspaper and partner OOH/digital media (Rakuten Vision Shibuya, Nagoya Station Underground LED).

Product overview

Mainichi Advertising Inc. is a Japanese advertising agency offering a comprehensive suite of marketing and communication services organized into five core business areas: Communication Design, Creative, Digital Solution, Promotion, and Media Solution. The company provides integrated advertising services connecting businesses with consumers through multiple channels including The Mainichi newspaper, Rakuten Vision/Shibuya Vision digital outdoor displays, and Nagoya Station underground LED signage. Their service portfolio covers the full advertising lifecycle from strategic planning and copywriting to video production (CM/Web videos), web production, SNS operations, digital advertising management, event planning, and PR campaigns.

Differentiator

Problem solved

Functional benefit

Products and services

• Communication Design

Named customers5 records

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Three partnerships are on record, tiered core and minor.

• The Mainichi Newspapers Co., Ltd. (毎日新聞社)coreChannel Partner/ Reseller/ DistributorThe company maintains a close relationship with Mainichi Shimbun, one of Japan's five major national newspapers. This partnership provides access to traditional media advertising channels and strengthens credibility in the Japanese advertising market. The company provides CM video production services for Mainichi Shimbun campaigns.
• Rakuten Vision (Shibuya Vision)coreChannel Partner/ Reseller/ DistributorPartnership with Rakuten Vision for digital signage advertising at Shibuya Vision location. This provides Mainichi Advertising clients with access to premium digital outdoor advertising space in one of Tokyo's busiest districts.
• Nagoya Station Underground (名古屋駅地下街)minorChannel Partner/ Reseller/ DistributorPartnership for underground station advertising at Nagoya Station, providing access to commuter advertising spaces in Japan's third-largest city.

Scale indicators1 record

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Omnicom Group: Global advertising holding company with Japanese operations (DDB, BBDO, TBWA) serving Japanese and multinational clients. Comparable as a broad incumbent whose integrated global offering competes against independent mid-tier Japanese agencies for cross-border enterprise mandates.
• WPP: Global advertising holding company whose network agencies (Grey, Ogilvy, GroupM) compete for Japanese enterprise accounts across creative, digital, and media services. Comparable as a broad incumbent representing the network-buying alternative to independent integrated agencies like Mainichi Advertising.
• Publicis Groupe: Global advertising holding company with operations in Japan through Leo Burnett, Publicis Japan, and media buying arms. Comparable as a broad incumbent competing for the same Japanese corporate accounts with the additional leverage of global cross-market capability that Mainichi Advertising lacks.
• Dentsu: Japan's largest advertising agency and global network, offering the same integrated creative-digital-media services but at vastly greater scale, with international reach and holding-company media-buying leverage. Comparable as the dominant incumbent whose scale and procurement power set competitive dynamics for mid-tier agencies like Mainichi Advertising.

Direct peers

• Tokyu Agency: Tokyo-based Japanese advertising agency providing creative, digital, and media solutions to corporate clients. Directly comparable mid-tier Tokyo integrated agency with a similar enterprise customer base and integrated service structure.
• Yomiko Advertising: Japanese integrated advertising agency providing communication design, creative, digital, and media services. Comparable as a domestic full-service competitor operating in the same horizontal enterprise segment and competing for similar Japanese brand clients.
• Hakuhodo: One of Japan's largest full-service advertising agencies, headquartered in Tokyo. Directly comparable as a domestic integrated agency offering creative, digital, media, and promotional services to major Japanese enterprise clients — competing with Mainichi Advertising for the same brand and corporate roster.
• ADK (Asatsu-DK): Tokyo-based integrated advertising agency offering creative, digital, media, and promotional services across Japan. Directly comparable in scope (full-service integrated agency), client type (Japanese corporations), and delivery model to Mainichi Advertising.
• Daiichi Kikaku: Long-established Tokyo full-service advertising agency providing integrated creative, digital, and media services to Japanese enterprise clients. Comparable in integrated offering and target segment, competing for similar corporate accounts in the mid-tier of the Japanese market.

Regional players

• JR East Marketing & Communications: Japan-based marketing and media company affiliated with JR East, specializing in transit and station OOH advertising including digital signage. Comparable as a regional player operating in the same Japanese OOH media space — particularly relevant given Mainichi Advertising's Nagoya Station Underground partnership — though focused on a different rail-adjacent inventory pool.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights5 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about Mainichi Advertising Co.