With this one solution, the digitization of all construction documents is complete.

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"Construction Document DX Pocket" (Handling Company: Paper Logic Co., Ltd.)

last updated：Nov 21, 2025

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Compliant with all construction-related laws and regulations! The digitization of documents is completed with just this one solution!

<Three Benefits of Implementation> 1. No need for multiple services! The digitization of construction documents is completed with this one service. This service is the only "all-in-one" solution that can digitize all transaction documents generated daily in the construction industry, including electronic contracts for agreements, order forms, acceptance letters, and estimates. There is no longer a need to use separate services for different purposes, allowing for unified digital document management. Of course, it fully complies with various laws related to the generation, delivery/receipt, and storage of each document, such as the Construction Business Act and the Electronic Bookkeeping Act. 2. Automatic saving frees you from the hassle of lost documents and searching for them. Documents are automatically saved to the electronic archive simply by sending them, eliminating the need to search for paper or PDFs. The patented automatic saving function via email and the collaboration feature that saves documents simultaneously for both the main contractor and subcontractors significantly streamline daily document management. 3. Zero stamp duty! Achieve significant cost reduction. By implementing this service, you can greatly reduce various costs such as stamp duty for contracts, mailing expenses, and labor costs associated with printing, stuffing, and managing documents. Main contractors (with annual sales of 500 million yen) can save approximately 1.16 million yen annually, while subcontractors (with annual sales of 50 million yen) can save about 240,000 yen annually. (Our estimation)

Related Link - https://paperlogic.co.jp/post_16166/

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basic information

It is the only "all-in-one" service that can digitize all transaction documents generated daily in the construction industry while fully complying with all necessary laws for each document. There is no need to use different services for each document; everything is completed with this one service. 【For General Contractors】 ■ I don't really understand the new laws... The documents for protecting subcontractors are troublesome... 　⇒ Fully compliant with the revised Construction Business Act and various other laws. ■ Managing paper documents is difficult... 　⇒ All types of documents, from contracts to orders and estimates, are digitized. No more tedious document management. ■ Managing documents for subcontractors is challenging... 　⇒ Automatic data linkage between general contractors and subcontractors. Zero discrepancies or losses of documents. 【For Subcontractors】 ■ There are too many paper documents to handle... We can't keep up with management due to a labor shortage... 　⇒ Data exchanged (including emails) is automatically saved, improving operational efficiency. ■ Even finding documents is a struggle... 　⇒ Easily searchable with a keyword search function. ■ The cost of stamp duties adds up... I want to reduce costs. 　⇒ Going paperless/digitizing means zero stamp duty costs. ▼ For more details, visit (Handling Company: Paper Logic Co., Ltd.) https://paperlogic.co.jp/post_16166/

Price information

<No usage-based fees! Industry's lowest fixed rate> Monthly fee: 80,000 yen (excluding tax) ■ Initial setup fee: 100,000 yen (excluding tax) Breakdown: Operation briefing for the main contractor and partner companies (1 remote session), seamless integration setup, tenant setup ■ Total of 16 companies: 1 main contractor + 15 subcontractors ■ Includes electronic contracts, document delivery, internal signatures, and electronic storage ■ No usage-based fees. Fixed amount regardless of the number of documents used. ■ Number of users: 160 in total ■ Storage capacity: 160GB in total ■ Contract and payer: Main contractor Other options available, such as additional storage capacity.

Price range

Delivery Time

※We will provide thorough support until the implementation, so please rest assured.

Applications/Examples of results

<Cost Reduction Simulation> *Our estimation ■ For the main contractor (annual sales of 500 million yen) Annual savings: 1,164,000 yen - Direct costs: Stamp duty for contracts/orders, communication costs, storage costs totaling 354,000 yen - Indirect costs: Labor costs for creating/searching transaction-related documents totaling 810,000 yen ■ For the subcontractor (annual sales of 50 million yen) Annual savings: 240,960 yen - Direct costs: Stamp duty for contracts/orders, communication costs, storage costs totaling 48,960 yen - Indirect costs: Labor costs for creating/searching transaction-related documents totaling 192,000 yen <Other Features> ■ Ability to differentiate between party-type signatures and witness-type signatures ■ Automatic linkage and storage of electronic documents between companies using the service ■ Just by sending an email with the specified address in CC, electronic signatures and timestamps are automatically applied and saved ■ JIIMA certification obtained (scanner storage software, electronic transaction software) ■ Official response from the Ministry of Economy, Trade and Industry and the Ministry of Land, Infrastructure, Transport and Tourism stating that it meets the standards for electronic contracts in the construction industry ■ Official response from the Digital Agency stating that it can be used as contract documents for national and local public entities ■ Eligible tool for the 'IT Introduction Subsidy', allowing for reduced initial cost burden for implementation