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Information and Communications
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プレックス

addressTokyo/Chuo-ku/6th floor, Kyodo Building, 3-2-4 Nihonbashi Honmachi, (in front of the Bank of Japan)
phone03-6682-1381
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last updated:Dec 12, 2025
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建設業に特化したオールインワンクラウドサービス 様々な機能をこれ1つに集約。PC・スマホ・タブレットなど、あらゆるデバイスからアクセスができ、管理・共有・確認の工数を簡素化。 バラバラになっている情報をまとめ、属人化しやすい業務を大きく改善。

Daily reports and photo registrations can only be done at the office [Solved with the field management app!]

You can create daily reports and register photos using a smartphone or tablet while on the go. This significantly reduces the time needed for administrative tasks.

"Sakumiru" is a cloud system that overwhelmingly simplifies management, administration, and on-site work in the construction industry. It addresses issues such as "the inability to register daily reports and photos except at the office, leading to increased overtime." With this system, you can create daily reports and register photos from your smartphone or tablet while on the go. This significantly reduces the time spent on administrative tasks. 【Features (partial)】 ■ Customer management ■ Project progress management ■ File management ■ Schedule ■ Work daily reports *For more details, please download the PDF or feel free to contact us.

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Unable to follow up after submitting the estimate [Solved with the site management app!]

Manage the status of each case in a list. You can also follow up on proposals without missing any.

"Sakumiru" is a cloud system that makes management, administration, and on-site work in the construction industry overwhelmingly easier. It solves issues such as "not being able to follow up after submitting estimates." With this system, you can manage the status of each project in a list and ensure that even proposals in progress are followed up without missing anything. 【Features (partial)】 ■ Customer management ■ Project progress management ■ File management ■ Schedule ■ Work reports *For more details, please download the PDF or feel free to contact us.

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Case information cannot be confirmed on-site [Solved with the on-site management app!]

You can check past information on cases anytime and anywhere from your smartphone or tablet.

"Sakumiru" is a cloud system that makes management, administration, and on-site work in the construction industry overwhelmingly easier. It solves the issue of needing to return to the office to confirm project information on-site. With this system, you can access past project information anytime and anywhere from your smartphone or tablet. 【Features (partial)】 ■ Customer management ■ Project progress management ■ File management ■ Schedule ■ Work reports *For more details, please download the PDF or feel free to contact us.

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Managing the schedule of cases takes time [Solved with a site management app!]

By managing schedules on a monthly, weekly, and daily basis for each project and individual, it enables quick and accurate artificial management.

"Sakumiru" is a cloud system that makes management, administration, and on-site work in the construction industry overwhelmingly easier. It solves issues such as "not being able to grasp employees' schedules, which takes time for project schedule management." With this system, you can manage schedules by project and by person on a monthly, weekly, or daily basis, enabling quick and accurate personnel management. [Features (partial)] ■ Customer management ■ Project progress management ■ File management ■ Schedule ■ Work reports *For more details, please download the PDF or feel free to contact us.

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Missing invoices are occurring [Solved with the site management app!]

You can check the status and schedule of cases in the cloud, so you can see who is currently handling which case and whether it has been completed.

"Sakumiru" is a cloud system that makes management, administration, and on-site work in the construction industry overwhelmingly easier. It also solves issues such as "only the construction manager knows the site information, leading to billing omissions." With this system, you can check the status and schedule of projects in the cloud, allowing you to see who is currently handling which project and whether it has been completed. 【Features (partial)】 ■ Customer management ■ Project progress management ■ File management ■ Schedule ■ Work daily reports *For more details, please download the PDF or feel free to contact us.

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[2-Month Free Trial Now Available] Construction Site Management App 'Sakumiru'

Up to 30 people for a monthly fee of 4,000 yen! Streamline management, administration, and on-site work in the construction industry. Reduce the burden of on-site management with paper and Excel. If you want to try it, start with "Sakumiru."

"Sakumiru" is a cloud system that makes management, administration, and on-site work in the construction industry overwhelmingly easier. It allows for the management of schedules by project and by person on a monthly, weekly, or daily basis, enabling quick and accurate personnel management. Additionally, it is possible to create daily reports and register photos from a smartphone or tablet while on the go. This significantly reduces the time spent on administrative tasks. 【Features】 ■ Customer management ■ Project progress management ■ File management ■ Scheduling ■ Work daily reports ■ Photo ledger creation, etc. *For more details, please download the PDF or feel free to contact us.

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Construction Site Management App "Sakumiru" for the Construction Industry

Streamline progress management in the construction industry! 2-month free trial now available.

In the construction industry, progress management is essential to prevent project delays and ensure accurate information sharing. Particularly for companies managing multiple sites, it is necessary to grasp the progress of each site in real-time and make swift decisions. "Sakumiru" streamlines the management, administration, and on-site work in the construction industry, facilitating smooth progress management. It reduces the burden of site management using paper and spreadsheets, enabling accurate personnel management. Try the 2-month free trial first. 【Usage Scenarios】 - Visualizing the progress of each project - Centralized management of daily reports and photos - Streamlining schedule management 【Benefits of Implementation】 - Smooth sharing of site information, preventing billing omissions - Easier understanding of employee schedules, reducing time spent on schedule management - Ability to confirm information on-site without returning to the office, reducing overtime hours

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Sakumiru for Renovation

Smooth information sharing with customers. On-site management app "Sakumiru".

In the remodeling industry, smooth information sharing with customers is essential for enhancing customer satisfaction and building trust. In particular, sharing real-time updates on construction progress, changes, and photos can alleviate customer anxiety and allow them to feel secure in entrusting the work. Communication through paper or verbally can lead to delays and misunderstandings in information sharing. Sakumiru facilitates smooth information sharing with customers and contributes to improving customer satisfaction. 【Usage Scenarios】 - Progress reports to customers - Sharing photos and drawings - Communicating changes 【Effects of Implementation】 - Smoother communication with customers - Increased customer satisfaction - Reduction in complaints

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Sakumiru for Equipment Construction

Streamline report creation! On-site management app 'Sakumiru'

In the construction industry, creating accurate reports is essential for building trust with clients and ensuring smooth business operations. In particular, it is necessary to accurately record and promptly report information such as the progress of the site, work details, and photographs. Creating reports using paper or spreadsheet software can be time-consuming and labor-intensive, leading to delays in information sharing and the possibility of missing records. Sakumiru centralizes site information management and streamlines report creation. 【Usage Scenarios】 - Creation of daily site reports - Creation of photo logs - Reporting to clients 【Benefits of Implementation】 - Reduction in report creation time - Faster information sharing - Improved operational efficiency

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Sakumiru for Interior Construction: Streamlining Photo Sharing

Centralized management of interior construction site photos. Smooth information sharing.

In interior construction sites, it is important to accurately grasp the progress status and smoothly share information among stakeholders. In particular, managing photos is essential for quality control of the construction and communication with clients. However, paper-based photo management and delays in information sharing can reduce operational efficiency and potentially lead to rework. Sakumiru addresses these challenges by centrally managing site photos in the cloud, allowing for real-time sharing among stakeholders. 【Usage Scenarios】 - Taking photos on-site and immediate uploading - Adding comments to photos and sharing with stakeholders - Automatic creation of photo logs 【Benefits of Implementation】 - Faster decision-making due to quicker information sharing - Reduction of rework and mistakes - Increased customer satisfaction

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Sakumiru for Exterior Construction Work

Streamline the project management of exterior construction! 2-month free trial now available.

In the management of exterior construction processes, accurate schedule management and visualization of progress are crucial. Particularly in exterior construction, which is easily affected by weather and material delivery conditions, flexible responses and rapid information sharing are required. To prevent delays and rework in the process and to ensure smooth construction progress, accurate creation and sharing of the schedule is essential. Sakumiru supports the efficiency of exterior construction process management and enhances on-site productivity. 【Usage Scenarios】 - Creation and sharing of schedules - Real-time understanding of progress - Information sharing between the site and the office 【Benefits of Implementation】 - Reduction of the risk of schedule delays - Acceleration of information transmission - Significant improvement in operational efficiency

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Sakumiru for Demolition Work

Streamline waste management for demolition work! Free 2-month trial now available.

In the demolition industry, it is essential to accurately understand the types and quantities of waste and to carry out appropriate processing. In particular, from the perspective of compliance with regulations and cost management, tracking and managing waste is crucial. Inadequate management can lead to legal issues and increased costs. Sakumiru streamlines waste management by managing site information, processes, schedules, photos, documents, and costs for each project. 【Use Cases】 - Recording types and quantities of waste at demolition sites - Sharing information with waste disposal contractors - Managing waste disposal costs 【Benefits of Implementation】 - Cost reduction through improved waste management efficiency - Thorough compliance with regulations - Smooth information sharing between the site and the office

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Sakumiru for Solar Power Generation

Streamline remote monitoring operations! On-site management app 'Sakumiru'

In the remote monitoring operations of the solar power generation industry, it is essential to grasp the on-site situation in real-time and respond quickly. In particular, abnormalities in equipment or delays in maintenance can lead to decreased power generation efficiency or accidents. "Sakumiru" visualizes the progress of the site and the schedules of workers, enabling accurate information sharing even from remote locations. This supports rapid decision-making and efficient business execution. 【Usage Scenarios】 - Checking on-site conditions from a distance - Progress management of maintenance work - Quick response in case of abnormalities 【Effects of Implementation】 - Rapid decision-making through real-time sharing of on-site information - Improved work efficiency and cost reduction - Prevention of maintenance delays and maintenance of power generation efficiency

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Sakumiru for Landscaping

Streamline material management and reduce the burden of on-site work.

In the landscaping industry, proper management of materials is essential for cost reduction and operational efficiency. In particular, excess or shortage of materials and loss can lead to delays in construction schedules and additional costs. Additionally, delays in information transmission between the site and the office can hinder accurate material management. Sakumiru allows for real-time tracking of material inventory for each project and facilitates smooth information sharing between the site and the office. This enhances the accuracy of material management and improves operational efficiency. 【Usage Scenarios】 - Management of material inventory in and out - Inventory management of materials - Order management of materials - Material verification on-site 【Benefits of Implementation】 - Prevention of excess or shortage of materials - Reduction of time spent on material management - Cost reduction - Smoother information sharing

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Sakumiru for Bridge Inspection

Streamline bridge inspection records! Improve operations with the field management app 'Sakumiru'.

In the bridge inspection industry, accurate information management and prompt reporting are essential. In particular, omissions in recording inspection results and delays in report preparation can increase safety management risks. "Sakumiru" addresses these challenges by streamlining on-site inspection records and reducing the time required to create reports. 【Usage Scenarios】 - Bridge inspection operations - Recording inspection results - Report preparation 【Benefits of Implementation】 - Improved accuracy of inspection records - Reduced report preparation time - Smoother information sharing

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Tunnel-oriented Sakumiru

Streamlining safety management for tunnel construction. Free 2-month trial available.

In the tunnel industry, safety management requires progress management of construction, ensuring the safety of workers, and a swift response in the event of an accident. In particular, process management that considers the risks of working in confined spaces and the potential for collapses is crucial. Inadequate management can lead to serious accidents. Sakumiru centralizes site information and enables real-time information sharing. This allows for quick situational awareness and accurate instructions, contributing to the enhancement of safety management. 【Usage Scenarios】 - Progress management at tunnel construction sites - Safety management of workers - Information sharing and response during accidents - Record keeping through daily reports and photographs 【Effects of Implementation】 - Real-time understanding of site conditions - Improved responsiveness through rapid information sharing - Reduction in time spent creating daily reports - Decreased overtime due to more efficient information sharing

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Plant-oriented Sakumiru: On-site management for anomaly detection

Streamline abnormality detection in plants! Improve operations with the on-site management app 'Sakumiru'.

In the plant industry, it is important to detect equipment anomalies early and prevent accidents before they occur. To quickly relay alerts from anomaly detection systems to the field and take appropriate action, sharing information on-site and rapid coordination are essential. Managing information with paper or spreadsheets can lead to delays in communication and the risk of missing records, which may result in delayed responses. Sakumiru supports real-time sharing of on-site information and facilitates quick decision-making. 【Usage Scenarios】 - Sharing the status of responses when anomaly detection alerts occur - Progress management of inspection and maintenance work - Recording and sharing photos and videos during anomalies - Referencing past anomaly cases 【Benefits of Implementation】 - Reduction in response time during anomalies - Quick problem-solving through efficient information sharing - Improved accuracy of records leading to the formulation of recurrence prevention measures - Cost reduction through paperless operations

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