Custom Web & Application Development

Custom web applications tailored to your business workflows, operations, and customer experience goals.

From internal business systems to customer-facing platforms, our solutions are designed for scalability, performance, and long-term maintainability.

Our team handles the complete lifecycle — architecture, development, integration, modernization, and ongoing enhancement.

GBT Products

Products We've Built

Project One Dashboard
Project One Dashboard 2
Project One Dashboard 3

ProjectOne

Full-stack project management platform built natively on SAP Business One. Real-time sync across projects, tasks, milestones, risks, and Gantt visualisation — all inside your existing SAP environment.

Key Features
  • Role-based access control across project, admin & leadership views
  • Project, task & milestone planning with owner assignment
  • Risk & issue tracking with structured resolution workflow
  • Interactive Gantt chart drawn live from SAP B1 data
  • Real-time two-way sync with SAP Business One backend
TheraFit

HealthFit

A comprehensive web platform for therapy and wellness clinics, therapist profiles, online bookings, invoicing, scheduling, and role-based operations management in one integrated system.

Key Features
  • Therapist profiles with photos, specialisations & availability
  • Public online booking & internal front-desk appointment management
  • Invoicing, billing & client payment tracking
  • Centralised dashboard for schedules, records & follow-ups
  • Role-based multi-user access — admin, therapist & front-desk

What We Build

We build for problems off-the-shelf software doesn't solve when the requirement is specific, the workflow is real, and a configured product won't get there.

Manufacturing & Industry

Operational & Production Systems

Open ›

Custom platforms for production planning, scheduling, order management, and floor visibility built for manufacturing environments where standard tools don't fit the process. Every engagement starts from your constraints.

PHPSQL ServerREST APISAP B1 IntegrationReal-Time Dashboards
Healthcare

Healthcare RCM & Operations Portals

Open ›

Revenue cycle management dashboards, patient scheduling systems, and operations portals for U.S. medical practices. HIPAA-aware development with role-based access, EMR/EHR integration, and data handling built for compliance from day one.

PHPSQL ServerREST APIHIPAA-AwareEMR Integration
Enterprise & B2B

B2B Portals & Operations Platforms

Open ›

Client-facing portals, vendor management systems, multi-role approval workflows, and internal operations dashboards for businesses managing complex processes across multiple teams or locations. Built to integrate with SAP, Zoho, or your existing ERP.

PHPSQL ServerZoho APIsSAP B1 Service LayerMulti-Role Auth
API & Integration

API Development & System Integration

Open ›

REST API design and development, third-party integrations, webhook architecture, and data sync pipelines for businesses where the applications you have don't talk to each other.

REST APIPHP PDOJSON/XMLWebhooksZohoSAPPayment Gateways

How We Engage

01

Discovery

We map your workflow, identify the gap, and confirm whether custom development is the right answer. Not every problem needs a custom build — we tell you that upfront.

02

Scope & Architecture

We define the technical scope, data model, integration points, and phased delivery plan. You see exactly what will be built before a line of code is written.

03

Build & Review

Iterative development with regular review checkpoints. You test at every stage — nothing is delivered as a black box.

04

Integration & Testing

Full integration with your existing systems — SAP, Zoho, ERPs, third-party APIs. Regression testing and UAT before go-live.

05

Go-Live & Support

Deployment, team training, and post-launch support. We don't disappear after handoff.

Have a workflow problem
and no solution?

That's exactly where GBT starts. A 30-minute scoping call is enough to tell you whether custom development is the right answer and what it would realistically take to build it.

Book a Free Scoping Call