ConstructApp · Construction SaaS · Multi-Party Project Management
One Employee. Three Projects. No More Tool Chaos.
Exclolab built ConstructApp — a full-scale construction SaaS platform — from scratch, replacing 5+ disconnected tools with one integrated system covering tendering, project management, document handling, subcontractor collaboration, vendor discovery, and real-time communication. One employee now manages what previously required three.
capacity increase — one employee now manages up to 3 concurrent projects
Location
🇮🇩 Indonesia
Type of Work
Digital Product
Employee project capacity increase
200%
Faster tender management
80%
Delivery
Multi-phase delivery — 5+ disconnected tools replaced with one platform built for enterprise scale
ConstructApp — Platform Screenshot
Coming soon
The Situation Before
What the Client Came In With
"We need software to manage our construction projects — tendering, subcontractor coordination, documents, and client communication."
Construction stakeholders were managing complex, multi-party workflows across 5+ completely disconnected systems. Every project started with a manual tender process in one app, tracked separately in spreadsheets, communicated via WhatsApp, documented in email threads, and invoiced through yet another tool. No single view of project status existed. No one could see what was actually happening across all active jobs without calling someone.
The Turning Point
What Exclolab Found
Construction stakeholders were managing complex, multi-party workflows across 5+ completely disconnected systems. Every project started with a manual tender process in one app, tracked separately in spreadsheets, communicated via WhatsApp, documented in email threads, and invoiced through yet another tool. No single view of project status existed. No one could see what was actually happening across all active jobs without calling someone.
The Approach
How Exclolab Worked
Discovery mapped every stakeholder workflow — contractors, subcontractors, vendors, and project managers. We built a unified platform with modular service architecture designed for enterprise scale: tendering module, project management, document management, subcontractor portal, vendor directory, and real-time communication. Built on AWS infrastructure (EC2, RDS, S3, ElastiCache) for future white-label licensing capability.
The Solution
What Was Built
Discovery mapped every stakeholder workflow — contractors, subcontractors, vendors, and project managers. We built a unified platform with modular service architecture designed for enterprise scale: tendering module, project management, document management, subcontractor portal, vendor directory, and real-time communication. Built on AWS infrastructure (EC2, RDS, S3, ElastiCache) for future white-label licensing capability.
| Layer | Technology |
|---|---|
| Cloud Infrastructure | AWS (EC2, RDS, S3, ElastiCache, SES, CloudWatch) |
| Search | Meilisearch |
| Mapping | MapBox |
| Payments | Stripe |
| SMS / Notifications | Twilio SMS |
| Authentication | Google OAuth |
| Weather Data | OpenWeatherAPI |
The Results
What Changed
Employee project capacity increase
Faster tender management
Reduction in documentation errors
ConstructApp's project managers now handle what previously required 3 separate tools in one unified platform. Tender preparation time dropped from 10–15 hours/week to 3 hours. Documentation errors dropped 90%. One employee now manages 3 concurrent projects. The platform is built for white-label licensing — future growth is architectural, not headcount-driven.
Client Voice
In Their Own Words
Before using this system, we were drowning in paperwork and scattered tools. Now, everything is in one place — bidding, managing, and collaborating are seamless. Our team is saving at least 10+ hours per week, and onboarding subcontractors is no longer a headache.
Instead of wasting time on administration and manual work, our team now focuses on project execution and strategic partnerships. The app has streamlined our operations, reduced costs, and helped us scale faster than expected.
Technical Deep Dive
The Stack That Powered This
| Layer | Technology |
|---|---|
| Cloud Infrastructure | AWS (EC2, RDS, S3, ElastiCache, SES, CloudWatch) |
| Search | Meilisearch |
| Mapping | MapBox |
| Payments | Stripe |
| SMS / Notifications | Twilio SMS |
| Authentication | Google OAuth |
| Weather Data | OpenWeatherAPI |
Engagement Timeline
How This Was Delivered
Phase 1
Discovery & multi-stakeholder mapping — contractor, subcontractor, vendor, and PM workflow documentation
Phase 2
Core platform — tendering module, project management, document management, AWS infrastructure setup
Phase 3
Subcontractor portal, vendor directory, real-time communication, Meilisearch integration
Phase 4
Stripe billing, Google OAuth, Twilio notifications, MapBox integration, analytics dashboard
Multi-phase delivery — 5+ disconnected tools replaced with one platform built for enterprise scale.
Work with Exclolab
Building a Multi-Party Platform? Start With the Root Cause.
ConstructApp wasn't failing because of the construction industry or the team behind it — it was running a complex, multi-stakeholder operation on five tools that weren't designed to talk to each other. If you're building a platform where contractors, subcontractors, vendors, and managers all need to work in the same system — the first conversation with Exclolab isn't a pitch. It's the same discovery mapping that shaped every module of ConstructApp.