Tetsujin

What Tetsujin does

Tetsujin Holdings (株式会社 鉄人化ホールディングス, TYO: 2404) is a Tokyo-headquartered, publicly listed holding company that operates a diversified consumer-services platform built originally on the 'Karaoke no Tetsujin' (カラオケの鉄人) karaoke brand. Founded in 1999 and listed on the Tokyo Stock Exchange Standard Market since 2004, the group reorganized into a holding company structure in September 2023 and renamed to Tetsujin Holdings in February 2024. It operates 36 karaoke locations concentrated in Tokyo (21) and Kanagawa (10), supported by a self-developed karaoke management and content-delivery system that powers both standard rooms and 'Collab Mix' stores themed around approximately 100 anime and game IP collaborations annually. Extended digital offerings include the Karaoke no Tetsujin Mobile content portal, the 'Karaoke Hodai' unlimited-usage subscription, a telework/'Telework Passport' daytime room-rental product, a sports viewing service (Sports Stadium@KARATEZ with DAZN), and the TZ GAME Labs e-sports facility brand.

The group has progressively diversified beyond karaoke through acquisitions into adjacent physical-services verticals. FY2025 revenue of 8,043 million JPY (Aug 2024–Aug 2025, +13.8% YoY) was generated across three roughly equal pillars: karaoke room operations (48%), restaurant operations across the Naokyu ramen, Toritake yakitori, Akakara hot pot, Kani Zanmai crab, and Kyoto Katsugyu donburi brands (24%), and beauty salon services under the Bianca Group (nail, eyelash, head spa) and Rich to brands totaling ~55 locations (24%), plus minor media/content and studio-rental lines. Operating profit reached 211 million JPY (+204.9% YoY) on 292 consolidated employees. Wholly owned operating subsidiaries include Tetsujin Enterprise (core operating), Bianca Group (acquired 2021), Naokyu (acquired 2020), Toritake (acquired 2024), Cost Innovation (2022), Miracle Amuse, and the recently acquired Vancour Promotion (2025) for staffing and event operations.

The business model is direct-to-consumer and primarily transaction-fee based across three consumer segments: individual entertainment consumers (primarily anime/game enthusiasts aged 15–40 engaging with collaboration campaigns), general dining consumers across the multi-brand restaurant portfolio, and beauty service consumers (predominantly women aged 20–45) in the Tokyo metropolitan and Chubu regions. Customer acquisition in karaoke is event-driven via ~100 annual content collaboration campaigns, supplemented by LINE-based digital membership, PR-distributed marketing, and a network of brand websites. The company operates exclusively within Japan across ~13 prefectures, with karaoke revenue maturing (32 existing stores at 99.5% YoY) while restaurant and beauty segments drive incremental growth, all supported by an acquisition-led, brand-preserving operating model under the holding company umbrella.

Name

Tetsujin

Legal name

株式会社 鉄人化ホールディングス (TETSUJIN Holdings, Inc.)

Website

https://www.tetsujin.ne.jp/

Company type

Public

Founded year

1999

Operating status

Operating

Headcount range

251–500 employees

Short description

Tetsujin Holdings is a Tokyo-listed holding company operating a diversified Japanese consumer-services platform: 36 karaoke stores under 'Karaoke no Tetsujin' (with self-developed systems and ~100 annual anime/game IP collaborations), multi-brand casual dining restaurants (Naokyu ramen, Toritake yakitori, Akakara hot pot), and ~55 beauty salons (Bianca Group, Rich to).

Ownership category

akta.pro rank

Product category

Karaoke Entertainment Services

NAICS

Drinking Places (Alcoholic Beverages) (7224), Amusement Parks and Arcades (7131), Snack and Nonalcoholic Beverage Bars (722515)

SIC

Retail-Eating & Drinking Places (5810), Services-Amusement & Recreation Services (7900), Retail-Eating Places (5812)

akta.pro primary industry

Karaoke Bars & KTV Lounges (MPAGAIAG)

akta.pro secondary industry

Karaoke Bars & Entertainment Bars (THAFAEAH)

Keywords

• Karaoke entertainment services
• Ramen restaurant operations
• Beauty salon services
• Content collaboration events
• Lifestyle holding group

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices4 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Karaoke Room Operations: Karaoke room operations under the 'Karaoke no Tetsujin' brand, with 36 locations across Japan. Revenue of 3,868 million yen (FY2025), representing approximately 48% of total revenue. Also includes 'Karaoke no Tetsujin Collab Mix' locations focused on content collaborations.
2. Restaurant Operations: Restaurant operations including ramen chain 'Naokyu', yakitori restaurant 'Toritake', hot pot chain 'Akakara', crab specialty 'Kani Zanmai', and donburi chain 'Kyoto Katsugyu'. Revenue of 1,952 million yen (FY2025), approximately 24% of total revenue.
3. Beauty Services: Beauty salon operations under 'Rich to' brand (9 locations in Chubu region) and 'Bianca Group' (46 locations in Tokyo metropolitan area, 2 in Chubu). Nail, eyelash extension, and head spa services. Revenue of 1,901 million yen (FY2025), approximately 24% of total revenue.
4. Media and Content Planning: Mobile content services including 'Karaoke no Tetsujin Mobile' portal site and 'Android Jiten' curation site. Declining due to smartphone market shifts. Revenue of 58 million yen (FY2025).
5. Other Operations: Rental studio business for dance, yoga, and training (6 locations in Tokyo metropolitan area), equipment maintenance, and consulting services. Revenue of 261 million yen (FY2025).

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Tetsujin Holdings operates a multi-brand consumer lifestyle group centered on karaoke entertainment rooms under the 'Karaoke no Tetsujin' brand (36 locations across Japan), supported by self-developed karaoke management systems. The group complements this with restaurant chains including Naokyu ramen and Toritake yakitori, beauty salon brands Rich to (9 Chubu locations) and Bianca Group (46 Tokyo metro, 2 Chubu), and additional services such as e-sports facilities (TZ GAME Labs), subscription karaoke (Karaoke Hodai), sports viewing, and telework support. Revenue is generated primarily through in-store consumer transactions at owned physical storefronts, with FY2025 consolidated revenue of ¥8,043 million.

Product overview

Tetsujin Holdings operates a multi-brand portfolio centered on karaoke entertainment with proprietary systems (カラオケの鉄人), extended through digital services (カラ鉄ホーダイ subscription, カラオケの鉄人モバイル, アンドロイド辞典), complementary lifestyle services (テレワークパスポート, Sports Stadium@KARATEZ), and e-sports (TZ GAME Labs). The group also operates restaurant brands (直久 ramen, 鳥竹 yakitori) and beauty salon brands (Rich to, ビアンカグループ), creating cross-segment synergies. The architecture is a holding company with operating subsidiaries handling distinct business segments.

Differentiator

Problem solved

Functional benefit

Brands

• Rich to: アイラッシュ・ネイル沙龙（中部エリア商圈）
• Bianca Group
• 直久（Naokyu）
• 鳥竹（Toritake）
• Bianca

Quantifiable outcome

• Revenue increased 13.8% YoY to 8,043 million yen
• +2 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Three partnerships are on record, tiered minor.

• TZ GAME Labs and アテナ機関 (Athena Kikan)minorStrategic or Co-development Partner · 10 August 2023Business partnership between TZ GAME Labs (e-sports facility under the karaoke business) and Athena Kikan for e-sports event collaboration and content development
• アイデイ商事株式会社 (Aidi Shoji)minorGTM or Marketing Partner · 1 August 2022Sponsorship agreement for TZ GAME Labs e-sports events and tournaments
• TECOPARK株式会社minorStrategic or Co-development Partner · 1 July 2022Partnership for PICO PARK related content and original goods development for TZ GAME Labs

Scale indicators11 records

Recent moves10 records

Expansion highlights5 records

Direct peers

• Pasela Resorts: Mid-premium karaoke chain operating 'Pasela' and 'Aprecio' brands across Japan. Direct competitor for the same night-out consumer wallet, with premium-room positioning analogous to Tetsujin's Collab Mix upsell tier.
• Bushi Group: Operator of 'Karaoke no Bushi' and related nightlife venues in Japan. Closely comparable physical-format karaoke operator targeting similar urban consumer segments.
• TGiH Corporation: Successor to Shidax karaoke businesses operating karaoke-focused entertainment venues. Operates in identical karaoke box category with comparable food & beverage economics per room-hour.
• Koshidaka Holdings: Japan's largest dedicated karaoke chain operator, running 'Karaoke Kan', 'Manekineko' and 'Karaoke Festa' formats. Directly comparable as a multi-brand karaoke box operator with predominantly owned-store economics and similar customer demographics.

Broad incumbents

• Zensho Holdings: Japan's largest restaurant holding company (Sukiya, Coco's, Hanaya Yohei, etc.). Useful comparable for the restaurant segment's multi-brand store-rollout economics applied to Naokyu, Toritake, Akakara, Kani Zanmai.
• Toridoll Holdings: Operator of Marugame Seimen and other multi-brand QSR chains. Relevant scale benchmark for how a Japanese restaurant holding company monetizes acquired regional brands — directly comparable to Tetsujin's Naokyu/Toritake playbook.
• Aeon Fantasy: TSE-listed family entertainment center operator (Molly Fantasy, Kappa Sento, Tokyo Kid). Overlaps with Tetsujin's TZ GAME Labs e-sports facilities and broader out-of-home entertainment consumer base.
• Watami Group: Japanese multi-brand restaurant, izakaya and karaake-entertainment operator. Comparable as a diversified Japanese hospitality holding structure with cross-format consumer venues.
• Round One: TSE-listed multi-format entertainment center operator offering bowling, karaoke, sports, and arcade attractions. Wider entertainment portfolio but overlapping customer demographic and store economics in tier-1 Japanese cities.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/tetsujin-inc-

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Subsidiaries8 records

Funding overview

Funding rounds1 record

Investors

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

M&A1 record

Investments

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

Frequently asked questions about Tetsujin