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Case Study • Construction • Web Application Development

A Real-Time Reporting Platform Built for Construction Project Management

AccelOne partnered with XL Construction to replace a complex, spreadsheet-based reporting process with a centralized web platform.

Web Application React & .NET Core Database Architecture QA Automation DevOps QA
client: XL Construction Jul 2026
Overview_XL3
3 Months
Focused engagement
Real-Time
Automated report generation and updates
3-Tier
React, .NET Core, and SQL Server
Scalable
Architecture built for future growth
Overview
Overview_XL

About the client

XL Construction is an award-winning general contractor based in the San Francisco Bay Area, delivering complex projects across healthcare, life sciences, advanced technology, education, civic, and commercial market sectors.

Known for its self-perform capabilities and a dedicated Strategic Projects Group for large-scale, high-certainty builds, XL Construction has built a reputation for sustainable construction practices and long-term client partnerships throughout Northern California.

  • Industry: Construction

  • Engagement: Web Application Development / Front-End, Back-End & Database Architecture

  • Partnership: 3-Month Engagement

The challenge

Replacing Manual Reporting with Real-Time Data

XL Construction relied on a manual, file-based workflow centered on Microsoft Excel to create and update its Project Status Reports (PSRs). The process moved across Excel, Microsoft SQL Server, Egnyte, and DocuSign, resulting in inconsistent data, outdated reports, and frequent errors.

This fragmented workflow consumed valuable time, caused synchronization issues between tools, and reduced executive confidence in the data used to make funding, staffing, and project timeline decisions.

XL Construction needed a centralized, automated solution to improve data accuracy, provide real-time visibility, and support continued growth.

The Challenge

The Hard Problems

01

Problem title

Problem description.

02

Problem title

Problem description.

03

Problem title

Problem description.

Our Solution

Automating Project Status Reporting

AccelOne designed and implemented a new web-based PSR platform to replace the manual workflow end-to-end. The new system was built to:

Automate data processes

RESULT 01

Replace manual data entry with automated workflows to improve accuracy and reduce errors.

Onboarding Automation

Enable real-time updates

RESULT 02

Provide real-time data so reports always reflect the most current information.

Real-Time SolutionIcon-2

Enhance report accuracy

RESULT 03

Eliminate inconsistencies and inaccuracies in the reporting process.

Accuracy Accurancy

Streamline workflows

RESULT 04

Simplify the PSR process to reduce workload and improve productivity.

Workflow Worfflow

Front End

RESULT 05

A single-page web application built with React.

React React

Back End

RESULT 06

A service layer built in Microsoft C# on .NET Core, using the ASP.NET Web API pattern to provide JSON REST services.

.NET Core NET

Database

RESULT 07

Storage on a Microsoft SQL Server Express database running locally on the web server.

SQL Server SQL

New architecture

RESULT 08

This architecture eliminated data inconsistencies, enabled real-time updates, and reduced errors by automating and streamlining the PSR process.

Architecture Arc
Highlights

Engineering Highlights

A Focused Three-Month Engagement

A dedicated team of front-end and back-end developers, a QA automation specialist, and a project manager delivered the platform within a focused three-month timeline.

Design and Development

The team first designed the front-end interface, planning each section before development began. Development then progressed across parallel tracks, including OKTA authentication and SQL Server database setup on the back end, mathematical calculations on the front end, and early QA testing.

Integration, Testing, and Deployment

In the final phase, the team integrated the front-end and back-end components, completed QA automation, and deployed the platform to a User Acceptance Testing (UAT) environment for final validation. Separate Development and Stage environments supported a controlled and systematic testing process throughout the engagement.

The Outcome

Results & Impact

01
Replaced a multi-step manual reporting process with real-time automated report generation and updates.
02
Reduced employee hours spent on manual data entry and report compilation.
03
Eliminated data inconsistencies and synchronization errors across tools.
04
Restored executive trust in reporting data used for financial and staffing decisions.
05
Reduced overtime and administrative workload, driving direct cost savings.
06
Delivered a scalable architecture built to support XL Construction's future growth.
STRATEGIC VALUE

A Foundation for Future Growth

The new PSR platform gives XL Construction more than a faster reporting process, it gives the company a scalable foundation to build on.

The three-tier architecture is designed to support future enhancements, so the platform can grow alongside XL Construction's project volume and operational complexity rather than becoming a bottleneck.

This engagement reflects the kind of focused, outcome-driven collaboration that lets a company modernize a critical business process quickly and lays the groundwork for further digital transformation as XL Construction's needs evolve. 

Impact

Business Impact

What had been a slow, error-prone reporting process spread across multiple disconnected tools is now a single, automated, real-time platform. That shift changed how XL Construction's teams and executives work day to day.

Project managers spend far less time on manual data entry and report compilation, freeing them to focus on higher-value, strategic work.

Executives now make funding, staffing, and project decisions based on accurate, up-to-date information rather than stale spreadsheets, and the company has reduced overtime and administrative costs tied to the old process.

Frequently asked questions

What challenge did XL Construction need to solve?
XL Construction needed to replace a fragmented, spreadsheet-based reporting process that caused outdated information, data inconsistencies, and frequent errors.
What solution did AccelOne build?
AccelOne developed a centralized web platform that automates Project Status Reports and provides accurate, real-time project data.
What technologies were used to build the platform?
The platform uses React for the front end, Microsoft C# and .NET Core for the back end, and Microsoft SQL Server Express for data storage.
How long did the project take?
The platform was designed, developed, tested, and prepared for user validation during a focused three-month engagement.
How did the platform improve daily operations?
It reduced manual data entry, simplified report creation, minimized errors, and allowed project managers to focus on higher-value work.
How does the platform support future growth?
Its scalable three-tier architecture can support new features, increased project volume, and greater operational complexity as XL Construction grows.
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