IDM

What IDM does

IDM Inc. (株式会社IDM企画, also written 株式会社アイデーエム企画) is a privately held Japanese company headquartered in Chiyoda-ku, Tokyo (Iwamoto-cho 1-1-1), that operates as a direct mail shipping agency. Founded in 1977, the firm provides B2B clients with end-to-end handling of direct mail campaigns, including processing and physical delivery of mail pieces on behalf of customers. Its operations are organized around two offerings: the branded Tiara Walking (ティアラウォーキング) direct mail service and a general ダイレクトメール発送代行業務 (DirectMail shipping agency) service that handles campaign processing and delivery for clients.

The company's underlying capability is operational rather than technological: it manages client-supplied address lists and dispatches physical mail through Japan Post and related channels, supported by a personal information protection management system certified under JIS Q 15001 (Privacy Mark registration 10830354(10)). Reported activities on the company website also reference seminars, joint areas, mail-order area management, and outsourced front/back-office support functions, consistent with a business process outsourcing (BPO) overlay on top of the core mail-dispatch service. No proprietary software products, APIs, mobile applications, or AI/ML components are disclosed.

Commercially, IDM generates revenue by quoting project-based fees tied to client volume and campaign requirements; pricing is not publicly disclosed. Its go-to-market is direct B2B sales to Japanese enterprises, with a stated operating geography limited to the Kanto Region. Paid-in capital is ¥20 million and headcount is reported in the 11-50 range, placing the firm firmly in the small-enterprise tier of the Japanese services market with no disclosed revenue, funding history, named customers, or management team in the source material.

Name

IDM

Legal name

株式会社IDM企画

Website

https://idm.co.jp

Company type

Private

Founded year

1977

Operating status

Operating

Headcount range

11–50 employees

Short description

IDM Inc. (株式会社IDM企画) is a privately held Tokyo-based direct mail shipping agency founded in 1977, serving Japanese B2B clients through its Tiara Walking branded DM service and general DM shipping agency offering across the Kanto region.

Ownership category

akta.pro rank

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Operations, Personnel, Supply Chain, Technology or R&D, Marketing or Sales

Distribution channels1 record

Core offering

IDM (株式会社IDM企画 / IDM Inc.) is a Japanese direct mail services company that provides direct mail shipping agency services, mailing list management, catalog e-commerce support, and related business process outsourcing. The company handles the processing and delivery of direct mail campaigns on behalf of business clients and operates a personal information protection management system certified under JIS Q 15001 (Privacy Mark registration 10830354(10)).

Product overview

IDM Inc. (株式会社IDM企画) operates as a direct mail service provider offering direct mail shipping and delivery management solutions. The company provides two main product/service offerings: (1) Tiara Walking (ティアラウォーキング) as a branded direct mail service, and (2) a DirectMail shipping agency service (ダイレクトメール発送代行業務) that handles the processing and delivery of direct mail campaigns on behalf of customers.

Differentiator

Problem solved

Functional benefit

Products and services

• Tiara Walking (ティアラウォーキング) Branded direct mail service offered by IDM Inc. providing direct mail shipping and delivery management to Japanese business clients running direct marketing campaigns.
• Direct Mail Shipping Agency (ダイレクトメール発送代行業務) Direct mail shipping agency service that handles the processing, fulfillment, and delivery of direct mail campaigns on behalf of business clients, including mailing list handling under a certified personal information protection management system.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Recent moves1 record

Expansion highlights1 record

Broad incumbents

• Dentsu Inc. Japan's largest advertising agency group, executing direct mail campaigns and integrated marketing for enterprise clients. DM is one of many channels in its portfolio, making it a broad incumbent rather than a specialist.
• Toppan Holdings Inc. Major Japanese printing and information communications group with established direct mail, secure printing, and BPO operations — serves the same enterprise DM customers as IDM but as part of a much broader production and communications portfolio.
• Hakuhodo DY Holdings: Second-largest Japanese advertising agency group with direct mail execution capabilities embedded in larger integrated campaign work. Comparable in customer overlap rather than DM specialization.

Direct peers

• transcosmos inc. Tokyo-based BPO and digital marketing services provider offering direct mail fulfillment, contact center, and business process outsourcing to Japanese enterprises — directly overlapping with IDM's bundled DM plus BPO service model.
• TriStage Inc. Japanese marketing services firm specializing in direct mail, customer acquisition, and response analytics — a focused niche competitor with similar DM-led offering and B2B client orientation.
• Scroll Corporation: Japanese catalog mail, e-commerce fulfillment, and marketing services company operating a comparable DM and catalog logistics stack to IDM, targeting the same B2B retail and catalog customer base in Japan.

Emerging players

• Bell System 24 Holdings: Tokyo-listed BPO and contact center operator that overlaps with IDM's BPO line of business; enters the DM fulfillment space through customer management contracts but is not primarily a DM shop.

Regional players

• Valassis Communications: US-headquartered direct mail, couponing, and marketing services company with comparable DM agency offerings. While not a domestic rival, it is a useful international reference on DM agency economics and unit economics.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat2 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance1 record

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 IDM