Contractor software trusted on 6M+ projects

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Built for builders

Leading builders choose Justwin's AI-driven construction software to streamline project management, from scheduling to cost control, all accessible on-site.

Bid & Contract Management

Streamline your bidding process with smart document analysis and digital contract workflows, ensuring a seamless transition from opportunity to signed agreement.

Subcontracting & Cost Control

Eliminate hidden waste by strictly monitoring material usage against quotas and tracking labor expenses in real-time for precise cost management.

Progress & Settlement Management

Accelerate your cash flow by auto-generating valuation reports from on-site progress and managing settlements online for faster payment cycles.

Solutions you need from preconstruction to closeout

Win more bids with smarter preparation.

Streamline your entire bidding process from opportunity assessment to final quotation. Our software helps you analyze tender documents, manage risks, and submit compelling bids on time, every time.

  • Smart Bid Analysis: Intelligently parse tender documents to identify key requirements, deadlines, and potential risks, ensuring no critical detail is missed.
  • Centralized Bid Collaboration: Create a single source of truth for all bid-related documents, communications, and version control, enabling seamless teamwork.
Tender Management

Master your costs, maximize your profit.

Gain complete visibility and control over your project finances. By integrating cost planning with real-time expenditure tracking, you can prevent budget overruns and ensure every dollar is accounted for.

  • Three-Way Cost Comparison: Instantly compare your budget, planned costs, and actual spending to identify variances and control expenses before they escalate.
  • Quota-Based Material Management: Prevent material waste and theft by strictly enforcing issuance limits based on the project budget and tracking consumption in real-time.
Subcontract & Cost Control

Link progress to payment, accelerate cash flow.

Connect your on-site progress directly to your financial settlement process. This ensures that your payment applications are accurate, justified, and processed faster, improving your project's cash flow.

  • Progress-Linked Valuation: Automatically generate measurement reports and payment applications based on verified on-site progress, reducing manual calculation errors.
  • Online Settlement Workflow: Submit settlement requests, track approval status, and manage payment certificates online for a transparent and efficient process.
Progress & Settlement Management

Digitize your site, empower your team.

Transform your construction site into a connected, data-driven environment. Our mobile-first tools put critical information and communication channels directly in the hands of your field team.

  • Mobile Issue Tracking: Instantly report safety hazards or quality defects with photos and assign them to responsible personnel for closed-loop rectification.
  • Digital Daily Logs: Replace paper-based reports with digital daily logs for labor, equipment, and weather, creating an accurate and searchable project record.
Construction Site Management

Your project documents, organized and accessible.

Eliminate the chaos of scattered files and outdated drawings. Our system provides a secure, centralized repository for all project documents, ensuring your team always works from the latest approved version.

  • Single Source of Truth: Store all drawings, specifications, and contracts in a central, cloud-based library with strict version control to prevent rework.
  • Granular Access Permissions: Protect sensitive information by defining exactly who can view, edit, or download specific documents, ensuring data security.
Document Management

Close out projects faster, get paid sooner.

Simplify the final stages of your project with a structured handover process. Our tools help you compile all necessary documentation, manage punch lists, and finalize accounts efficiently.

  • Automated Punch List Management: Create, assign, and track the completion of punch list items to ensure all work meets the required standards before final handover.
  • Digital Project Archive: Systematically organize and archive all project records, from contracts to final inspections, for easy retrieval and future reference.
Completion & Handover

Key capabilities for Subcontractors

Subcontract Management

Subcontractor Management | Subcontract

Schedule Management

Schedule Planning | Earned Value Analysis (EVA)

Cost Management

Budget Management | Cost Control

Contract Management

Contract Documents | Subcontract Payment Management

Bidding Management

Business Opportunity Registration | Award Management

Quality & Safety

Quality Management | Safety Management

Getting Started is easy

Frequently asked questions for Subcontractors

The system employs a BIM-driven progress simulation engine to dynamically link 3D models with scheduled tasks, generating interactive Gantt charts. Field teams update actual progress via mobile apps, triggering real-time comparisons between planned and executed work. Deviations exceeding predefined thresholds automatically generate alerts, while the 4D progress dashboard visualizes completion rates, critical path delays, and resource allocation bottlenecks for management review.
An AI-powered cost early warning system continuously monitors budget-to-actual variances across material procurement, labor, and equipment costs. When spending approaches or exceeds thresholds, the system freezes approval workflows and pushes risk mitigation recommendations. The three-way matching mechanism (contract terms vs. invoices vs. payments) eliminates duplicate billing and false claims, with all transactions cryptographically timestamped for audit compliance.
Issues reported via mobile photos/videos are automatically converted into structured rectification tasks with assigned owners, deadlines, and priority levels. Post-remediation, field teams upload evidence (e.g., reworked photos, inspection reports) for supervisor approval. Overdue tasks escalate to project managers, while a non-conformance registry tracks root causes and corrective actions, feeding into subcontractor performance scorecards.
The platform stores contracts in a centralized electronic repository, using OCR to extract clauses (e.g., scope, payment milestones) into searchable metadata. Change orders initiate automated workflows that cross-reference original terms, route approvals via digital signatures, and archive version-controlled documents. A redline comparison tool highlights amendments between contract revisions to prevent disputes.
The system auto-generates O&M manuals by extracting equipment specifications, warranty data, and maintenance protocols from BIM models, adhering to the general contractor’s predefined templates. Deliverables support batch exports in PDF/Excel formats with embedded electronic seals and revision histories. Read-only access ensures data integrity, while cloud-based previews allow stakeholders to validate content pre-submission.
A progress-to-payment linkage module converts completed work quantities (e.g., cubic meters poured, tons installed) into certified invoices, synchronized with field acceptance data. The system supports bothmilestone-based billing  and unit-rate settlements, with AI cross-verifying quantities against contract terms to minimize discrepancies. Automated payment reminders and digital endorsement workflows reduce DSO (Days Sales Outstanding) by 30%+.
The Smart Data Mapper tool enables bulk import of legacy data (Excel/CSV) through a drag-and-drop interface that auto-aligns fields (e.g., contract IDs, cost codes) with system taxonomies. Built-in validation rules flag formatting errors, while machine learning cleanses duplicate entries. Imported datasets instantly populate dashboards for cost trend analysis, resource forecasting, and benchmarking against industry KPIs.