What MAMORU does

株式会社日本パープル (Nihon Purple), operating under the MAMORU brand, is a Tokyo-headquartered document and information-lifecycle services company founded in 1972. It serves Japanese corporations, government-adjacent buyers, and individual consumers across the full life cycle of confidential documents — from creation through digitization, storage, and certified destruction — alongside adjacent IT and storage offerings. Core offerings include 保護くん (the flagship locked-box confidential document collection service replacing in-office shredders), Stock MAMORU (delivery-type business warehouse), SHOKO (corporate document storage), AZUKEL (consumer delivery storage), ConPass (cloud contract management), MAMORU ONE (unified web management platform), Coach MAMORU (ISMS and P-mark consulting), and PCIT (full-lifecycle IT outsourcing including PC procurement, kitting, maintenance, and disposal).

The technology stack combines a patented non-contact confidential processing system and a patented confidential document collection system with IoT-enabled Smart 保護くん boxes that auto-detect fill level and auto-submit collection requests via the MAMORU ONE web platform. The firm is the world's first confidential document destruction / storage operator to obtain ISO 27001 (ISMS) certification (originally 2003 under BS7799-2:2002), the first Japanese service company to obtain ISO 14001 (1997), and holds Privacy Mark certification. Operates five physical centers including Final Center, DTS Center, Yamaha Center, plus regional HQ in Osaka and a wholly-owned MAMORU Singapore Pte Ltd. subsidiary established in 2014.

The business model is a mix of recurring subscriptions (ConPass, MAMORU ONE, SHOKO monthly, PCIT monthly), usage-based fees (保護くん per-box subscription with multiple BOX formats, Stock MAMORU per-pallet), and professional services (Coach MAMORU consulting, document organization). GTM is sales-led for enterprise (phone/contact form/Web, with 7,000+ enterprise clients and 20,000+ locations using Stock MAMORU), product-led growth via Smart 保護くん (Tokyo metro only, since 2020), and event-driven via paid webinars and exhibitions. Pricing is non-public; quotes provided on request. R&D and facility investments are funded internally from cash flow; no external venture or PE capital is observed in the source materials.

Name

MAMORU

Legal name

株式会社日本パープル (Nihon Purple Co., Ltd.)

Website

https://www.mamoru-kun.com/

Company type

Private

Founded year

1972

Operating status

Operating

Headcount range

51–100 employees

Short description

株式会社日本パープル (MAMORU) is a 1972-founded Japanese document-lifecycle services firm offering confidential destruction, document storage, digitization, contract management, and IT outsourcing to 7,000+ corporate clients across Japan and Singapore.

Ownership category

akta.pro rank

Product category

Document Management Services

NAICS

Waste Collection (5621), Warehousing and Storage (493), Computer Facilities Management Services (541513)

SIC

Refuse Systems (4953), Public Warehousing & Storage (4220)

akta.pro primary industry

Media Asset Management (MAM) Platforms (MPAHAGAA)

akta.pro secondary industry

Long-Term Digital Preservation Services (Format Migration, Integrity Checks) (MPAHAGAD)

Keywords

• Confidential document destruction
• Records storage management
• Document digitization services
• IT asset lifecycle management
• Delivery storage warehouse

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices6 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. 機密抹消サービス（保護くん）: 機密回収ボックス「保護くん」を使った機密文書抹消サービス。ボックス設置・回収・処理・証明書発行まで一貫して提供。個人向けにはレターパック形式の家庭用のサービスもある。
2. 保管サービス（Stock MAMORU、SHOKO）: 物品保管（Stock MAMORU）と書類保管（SHOKO）の2軸。Stock MAMORUはパレット単位の従量課金制、SHOKOは保管箱単位の月額料金制。
3. ドキュメントDXサービス（文書電子化、MAMORU ONE、ConPass）: 文書電子化・デジタル化和Camera的服务。ConPass（契約書管理）とMAMORU ONE（文書管理）は月額/年额サブスクリプション型。
4. PCIT（ITアウトソーシングサービス）: PCの調達・キッティング・初期設定・資產管理・ remotoヘルプデスク・廃棄まで、IT Lifecycle全般をサポート。スポットプランとマンスリープランを提供。
5. 情報セキュリティコンサルティング（Coach MAMORU）: プライバシーマーク・ISMS取得/更新コンサルティング、情報セキュリティ教育研修を提供。 Coach MAMORUとして教育事业を実施。
6. 業務支援・効率化サービス: 書類整理サポート、ファイリング・サポート、PC Lifecycleマネジメント、マイナンバー対策などの業務支援サービスを提供。

Pricing tiers

Go-to-market motion3 records

Distribution channels6 records

Marketing channels8 records

Core offering

MAMORU provides confidential document destruction, document and goods storage, document digitization, and IT outsourcing services to corporate and individual clients across Japan. Physical services include the flagship 保護くん secure collection box (with an IoT-enabled Smart variant) for replacing office shredders, the Stock MAMORU delivery-type warehouse for equipment and materials, and SHOKO corporate document storage with environmental controls. Digital services include ConPass contract management SaaS and the MAMORU ONE unified web platform that integrates destruction, storage, and certificate management. IT outsourcing (PCIT) covers the full PC lifecycle from procurement through disposal, while Coach MAMORU provides ISMS and privacy mark consulting and training.

Product overview

MAMORU is a comprehensive document and information lifecycle management platform provided by 株式会社日本パープル (Nihon Purple). The portfolio consists of a platform-plus-services model centered on four core pillars: (1) 保護くん — the flagship confidential document collection box (available in standard, Smart IoT-enabled, and individual letter-pack variants); (2) storage services — Stock MAMORU (business delivery warehouse), SHOKO (corporate document storage), and AZUKEL (consumer storage); (3) digital document services — ConPass (contract management cloud), MAMORU ONE (unified web management platform integrating destruction and storage), document digitization, and filing/organization consulting; and (4) IT outsourcing — PCIT (full PC lifecycle management) and security consulting via Coach MAMORU (ISMS, P-mark, and training). The services cover document creation, storage, retrieval, digitization, destruction, and certification across both physical and cloud-based channels, serving over 7,000 corporate clients with 50+ years of operational history.

Differentiator

Problem solved

Functional benefit

Brands

• 保護（まもる）くん: 機密文書回収ボックス。シュレッダーに代わる機密抹消サービス。クリップ・バインダーごと投入可能。
• Smart保護（まもる）くん
• Stock MAMORU（ストックマモル）
• AZUKEL（アズケル）
• SHOKO（ショコ）
• ConPass（コンパス）
• MAMORU ONE
• Coach MAMORU（コーチマモル）
• PCIT（ピシット）サポート
• まもりの種

Products and services

• 保護くん (Mamoru-kun) confidential document collection box service Secure confidential document collection box service for businesses that replaces office shredders. Documents placed in the locked box cannot be retrieved; collected boxes are replaced in entirety and processed at company-owned facilities, with destruction certificates issued upon completion. Multiple box variants (S/M/Cabinet/Express/Special nationwide) available.
• Smart 保護くん (Smart Mamoru-kun) IoT collection box IoT-enabled variant of the 保護くん box service. The box automatically detects fill level and automatically submits collection requests via the web platform, eliminating manual monitoring and request workflows for corporate customers. Initially available for Tokyo metro area customers.
• Stock MAMORU (ストックマモル) delivery-type warehouse service Delivery-type warehouse service for businesses. Items are stored at company facilities, managed via web interface, and shipped on demand. Pallet-based per-use billing with photo documentation of stored items. Designed for short-term or temporary storage needs and is more cost-efficient than dedicated warehouse space.
• SHOKO (ショコ) corporate document storage service Secure document and paper storage service for corporations. Documents are stored in specialized environmentally-controlled facilities (temperature and humidity management) with on-demand retrieval and PDF digitization of stored documents available. Linked to MAMORU ONE for web-based management.
• ConPass (コンパス) contract management cloud Cloud-based contract management service that enables companies to digitize, organize, search, and manage contracts centrally with role-based access controls and cloud sharing. Integrates with paper document storage services for hybrid management, helping address BCP concerns for disaster-driven contract retrieval.
• MAMORU ONE document management web platform Unified web platform integrating confidential document destruction service management, document storage (e-保管サービス), and document management under a single login. Enables processing history, certificate issuance, storage box management, and document cloud management from one dashboard.
• PCIT (ピシット) IT outsourcing service IT outsourcing service covering the full PC lifecycle: procurement, kitting/initial setup, maintenance/support, IT asset management, storage, and disposal. Offered as per-task spot plans or monthly volume plans; remote help desk support included. Targets companies with no or limited dedicated IT staff.
• 文書電子化サービス (Document digitization service) Document digitization and data entry outsourcing service that converts physical paper documents into digital formats. Managed at company facilities or on-site (onsite) for sensitive materials. Includes PDF output and system upload options. Integrated into the broader MAMORU ONE workflow.
• Coach MAMORU (コーチマモル) security consulting and training Security consulting, training, and education service covering privacy mark (P-mark) acquisition and renewal support, ISMS (ISO/IEC 27001) acquisition and renewal support, and information security training programs for employees. Includes regular meetings, chat support, and security education delivery.
• AZUKEL (アズケル) consumer delivery storage service Consumer (individual) delivery-type storage locker service. Users ship items to AZUKEL facilities for temporary or long-term storage; items can be retrieved or re-shipped on demand. Includes referral program (みんなでAZUKELキャンペーン). Targets users needing household item, furniture, or seasonal gear storage.
• 保護くんレターパック (individual/consumer letter-pack destruction) Individual (consumer) version of the 保護くん service, delivered via prepaid express mailer (letter-pack). Users place confidential documents in a dedicated letter-pack envelope, mail it to the processing facility, and receive a destruction certificate upon completion. Sold as a one-off letter-pack product on a pay-as-you-go basis.
• 書類整理サポート (Document organization consulting) Professional document organization consulting service using a 'super-search filing' methodology to reduce office paper by up to 80% through three-phase classification. Staffed by certified filing designers (1級/2級/3級). Delivered as a consulting engagement.
• ファイリング・サポート (Filing system implementation support) End-to-end filing system implementation support covering destruction of discarded documents, text input for catalog records, space optimization for sorting, and furniture disposal. Includes ongoing storage and on-demand digitization for external documents.
• 情報漏えいリスク対策サービス (Information leakage risk countermeasure service) Internal document security consulting service addressing the leading cause of data leaks (84.5% internal factors such as loss, misfiling, and accidental disclosure) through rule simplification, security education, environmental controls, and documented destruction certificates.

Quantifiable outcome

• 書類の削減率 最大80%削減（書類整理サポート利用時）
• +5 more outcomes

Named customers21 records

Segments5 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• 特定非営利活動法人自然環境アカデミーcoreStrategic or Co-development Partner · 18 October 2025富士山クリーンプロジェクトの共同実施パートナー。2025年度には八王子滝山保全地域での里山保全活动（参加者45名、竹の伐採150本）を共同実施。
• 公益財団法人オイスカminorStrategic or Co-development Partner · 4 October 2025世界各国の植林事業を支援する、草の根国际NGO。富士山クリーンプロジェクト以外にも環境保全活动への资金提供を実施。
• 特定非営利活動法人富士山アウトドアミュージアムcoreStrategic or Co-development Partner · 4 October 2025富士山クリーンプロジェクトの共同実施パートナー。2025年度には河口湖大池公园での环境保全活动（参加者73名）を共同実施し、感谢状が贈呈されている。
• 公益財団法人柿田川みどりのトラストminorStrategic or Co-development Partner静岡県駿東郡清水町にある清流“柿田川класс”自然環境を後世に残す活动を支援する。
• 株式会社イー・コミュニケーションズminorGTM or Marketing PartnerTest Education Seminar共催パートナー。「SAKU-SAKU Testing」Webテスト教育 플랫폼の开发・運営企业。ウェビナー開催で协業。
• 大阪市coreStrategic or Co-development Partner大阪市指定の機密書類取扱事業者。资源化可能な纸類の焼却禁止に伴う、再生资源事業者への處理委託を推奨しており、日本パープルは해당unicipalityから推荐されている。
• 吹田市coreStrategic or Co-development Partner吹田市指定の機密書類取扱事業者。市の机密度 Discard 리소스 가이드に日本パープルの名が记载されている。

Scale indicators9 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• Cintas: U.S. business services company offering document destruction, records management, and uniform/first-aid services to enterprise customers via a route-based recurring service model — directly comparable to MAMORU's enterprise sales-led GTM.
• Stericycle / Shred-it: North American leader in secure document destruction (Shred-it) and regulated waste services. Closest functional analog to MAMORU's flagship Hogoku-kun confidential document destruction business and the recurring-route collection model.
• CloudSign (GMO GlobalSign Holdings): Japan's leading cloud-based electronic contract / e-signature service. Direct competitor to ConPass in the Japanese contract management cloud market and a key threat to MAMORU's higher-margin SaaS leg.
• Iron Mountain: Global records management, secure document destruction, and data storage company. Operates the same core model as MAMORU — physical/secure document destruction plus long-term storage — but at much larger scale and with a global footprint; the most direct comparable peer.
• LegalForce: Japanese legal-tech company offering AI-powered contract review and contract lifecycle management. Direct competitor to ConPass in enterprise contract management, with stronger AI/automation brand positioning.

Broad incumbents

• DocuSign: Global leader in electronic signature and contract lifecycle management (CLM). Broad incumbent competing indirectly with ConPass in Japan and a structural threat as Japanese enterprises adopt global e-signature standards.
• Hitachi Systems: Major Japanese IT services subsidiary of Hitachi offering IT asset management, lifecycle services, security, and managed IT. Broad incumbent overlapping MAMORU's PCIT IT outsourcing and Coach MAMORU security consulting lines.
• Dai Nippon Printing (DNP): Major Japanese printing and information services conglomerate with BPO, document digitization, and information security offerings. Broad incumbent with overlapping document lifecycle, digitization, and security consulting services.
• Ricoh Japan: Japanese office/document technology incumbent offering managed document services, workflow solutions, and IT services. Broad incumbent overlapping MAMORU ONE document management, document digitization, and enterprise document services.

Regional players

• Kintetsu World Express: Japanese logistics and warehousing company with international operations. Comparable to Stock MAMORU/SHOKO on the physical storage/warehousing side, though at much larger scale and broader freight scope.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/embed/WXwmxYgRL2w

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

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 MAMORU