Custom ERPs, CRMs & Enterprise Web Portals

Secure, scalable web applications engineered to automate internal workflows and elevate your customer-facing digital experience.

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Enterprise-Grade Web Applications & Custom Portals

Off-the-shelf software rarely fits complex business logic. We engineer secure, scalable custom ERPs, CRMs, and client-facing portals that automate your internal workflows and deliver frictionless digital experiences for your customers. From legacy system modernisation to complex API integrations, we build the infrastructure that helps enterprises scale.

Engineering

Quality Assurance

ERP, CRM & API Integrations

Custom Web Application

Custom Portal Development

Software Audits

Enterprise UI/UX Architecture

CTO as a Service

Ongoing Maintenance & Support

Specialised Web Development Solutions

Enterprise Client Portals

Empower your customers with secure, self-service dashboards tailored to your business logic. We engineer bespoke client portals that provide frictionless access to data and account management, reducing your support overhead while elevating the user experience.

Legacy System Modernisation

Break free from outdated, siloed software that slows down your operations. We systematically upgrade and migrate legacy applications into secure, modern web environments, ensuring seamless continuity and future-proof scalability for your enterprise.

CRM, ERP, and other Administrative Web Apps

Optimise your internal workflows with custom administrative tools. From CRMs to ERPs, we build secure, scalable applications that help you manage your business with greater efficiency and clarity.

Enterprise UX & Interface Design

Transform complex data and intricate workflows into intuitive, user-centric interfaces. Our enterprise UX design ensures that even your most data-heavy administrative dashboards remain accessible, frictionless, and easy for your team to adopt.

B2B eCommerce & Procurement Platforms

Scale your enterprise transactions with robust B2B eCommerce solutions. We build secure, custom procurement platforms that handle complex pricing tiers, bulk ordering, and backend ERP integrations to streamline your entire supply chain.

Workflow Automation & Internal

Eliminate manual data entry and operational bottlenecks with custom-built internal software. We design intelligent workflow automation tools that connect your disparate systems, allowing your team to focus on high-value tasks rather than repetitive administration.

Tech Stack

APIs, AI & Integrations

Singpass Integrations

Singpass

Whatsapp Integrations

Whatsapp

Meta for Developers

Meta for Developers

Google Developers

Google Developers

Gemini API

Gemini API

ChatGPT API

ChatGPT API

Robotic Process Automation

Robotic Process Automation

Quickbooks Integrations

Quickbooks

Content Management & Commerce

Wordpress

WordPress

WooCommerce

WooCommerce

Front-End Technologies

HTML5

HTML5

CSS3

CSS3

Javascript

JavaScript

Back-End

.Net

.Net

PHP

PHP

Infrastructure

Windows Server

Windows Server

Apache

Apache

Java

Java

Databases

MySQL

MySQL

SQL

SQL

Payment Processing

HitPay

HitPay

Stripe

Stripe

Omise

Omise

Custom Web Development Process

1. Planning & Requirements Gathering

The foundation of enterprise software lies in meticulous scoping. At Gregdo, we collaborate with your key stakeholders to map out complex business logic, legacy dependencies, and operational goals, ensuring absolute technical alignment before a single line of code is written.

We define core business objectives, map out existing legacy workflows, and align our engineering strategy with your long-term corporate goals.
We conduct a deep dive into technical requirements, identifying potential security risks, data compliance needs, and system dependencies before development begins.
We establish a transparent project roadmap using Agile methodologies, ensuring predictable delivery cycles and regular stakeholder reviews.
You are never left in the dark. We set up dedicated communication channels and provide consistent progress reporting tailored to your management team.

2. Research & Vision Presentation

We translate your operational bottlenecks into a strategic technical blueprint. Our engineers design a scalable architecture tailored to your enterprise, outlining database structures, API integrations, and security protocols to ensure seamless data flow across your organization.

We thoroughly analyse your current software stack and data silos to determine the most secure and efficient migration or integration path.
Our architects design a robust, scalable cloud infrastructure and database schema optimized for high-volume enterprise data processing.
We weave enterprise-grade security protocols, strict role-based access control (RBAC), and local data compliance directly into the system’s foundation.
We deliver a comprehensive technical specification document, outlining API endpoints, data flows, and functional requirements for your final sign-off.

3. Design & Prototyping

Complex workflows require intuitive design. We build interactive staging environments and user-centric interfaces that make dense administrative dashboards and client portals frictionless to navigate, ensuring high adoption rates across your team and your customers.

We design clean, high-contrast user interfaces specifically for complex internal tools, reducing cognitive load and training time for your employees.
We map out intuitive user journeys for your external stakeholders, ensuring your customer-facing portals drive self-service and satisfaction.
We build interactive prototypes tailored to different user roles (e.g., Admin, Manager, Client) so you can test exact workflows before coding starts.
We deploy fully clickable wireframes, allowing your team to experience the application’s logic and flow across both desktop and mobile environments.

4. Development & Engineering

Our engineering phase bridges the gap between the technical blueprint and operational reality. We deploy secure, highly performant web applications utilising enterprise-grade frameworks and rigorous testing, ensuring your custom ERP, CRM, or portal is built for long-term scalability.

We utilise modern, high-performance frameworks to build snappy, responsive interfaces capable of rendering complex data visualizations without lag.
We engineer secure, highly available server environments capable of processing heavy business logic and scaling dynamically alongside your enterprise.
We seamlessly connect your new web application to your existing operational tools, integrating critical third-party APIs like Singpass, ERPs, and secure payment gateways.
Before launch, our engineers conduct extensive automated testing, load testing, and vulnerability scanning to ensure deployment is flawless.

Why Partner With Us?

1

Enterprise-Grade Engineering

We don’t just build websites; we engineer complex, secure web applications. We map your specific operational workflows and business logic to build custom ERPs, CRMs, and portals that scale seamlessly alongside your enterprise.

2

Advanced Tech & API Integrations

From syncing legacy databases to embedding cutting-edge AI (like ChatGPT and Gemini) and secure enterprise payment gateways, our engineers ensure your new web app integrates flawlessly into your existing corporate tech stack.

3

Uncompromising Security & Support

Our partnership extends far beyond deployment. We provide proactive vulnerability monitoring, rapid incident response, and continuous performance optimisation to ensure your critical business systems remain resilient and secure.

Frequently Asked Questions

Got questions? We’re just a message away and happy to help.

We don’t believe in a one-size-fits-all approach. During our Research & Architecture phase, we conduct a thorough technical audit of your existing infrastructure. Our engineers then select secure, scalable frameworks (such as .NET, React, or custom PHP) that align perfectly with your long-term operational goals and cloud architecture.

Absolutely. A core part of our engineering process is connecting siloed data. We build secure, custom API bridges to integrate your new web app seamlessly with your legacy databases, internal software, and external services like Singpass, Quickbooks, or enterprise payment gateways.

Enterprise deployment cycles typically range from 3 to 6 months, depending heavily on the complexity of your business logic, custom workflows, and legacy data migration requirements. We utilise Agile methodologies, meaning we deliver and test functional modules incrementally rather than making you wait months to see progress.

Security is engineered from the ground up, not added as an afterthought. We implement strict Role-Based Access Controls (RBAC), end-to-end encryption, and robust server infrastructure. Before deployment, we conduct rigorous vulnerability testing to ensure your application meets enterprise data protection standards.

Your enterprise does, completely. We believe in absolute transparency and no vendor lock-in. Upon final deployment and project sign-off, full intellectual property rights, database schemas, and raw source code are legally transferred to your organisation.

We offer comprehensive, ongoing Service Level Agreements (SLAs) tailored to your operational needs. This includes proactive vulnerability patching, uptime monitoring, database optimisation, and dedicated technical support to ensure your critical systems remain resilient as your business scales.

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    What happens after you submit the form?

    • Technical Discovery Call

      We start with a high-level technical consultation. Our team dives into your current operational bottlenecks, legacy system constraints, and explores how a custom-engineered web application can drive efficiency across your enterprise.

    • Architecture & Scoping

      Next, we collaborate with your key stakeholders to define the exact technical scope. We map out complex business logic, required API integrations, and security protocols to ensure complete alignment before any engineering begins.

    • Actionable Blueprint & Roadmap

      Based on our discovery, we deliver a comprehensive technical proposal. This includes a strategic systems architecture plan, Agile delivery milestones, and transparent cost estimations for your management team’s review.