Charoenrak IT Co., Ltd.

Digital systems built for real business work

We design, build, and maintain websites, apps, APIs, and CMS platforms around your actual workflow, backed by 10+ years of development experience.

Project Capability Ready to build

Website • Web App • Mobile • API

10+: Years
4: Platforms
1:1: Requirement fit

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Team experience: 10+ years
Delivery scope: Web / App / API / CMS
Working style: Requirement-first
After launch: Maintain and improve

About

Quality and experience in every step

10+: Years of team experience
Real: Built to be used, not just demos

CRIT (Charoenrak IT Co., Ltd.) builds software and digital systems people actually use day to day. Our team brings 10+ years of development experience since 2010 — we take requirements from many kinds of clients, then design, build, and ship without locking into a single stack.

Frontend with Flutter and React — backend with NestJS and system integrations
Web, mobile, desktop, and reporting from real operational data
Flexible to each client’s requirements — not limited to one industry

Services

What we are good at

Choose the right service for the business problem, from company websites to apps, backend systems, and data integrations.

Website

Corporate & business websites

Company sites, general websites, home pages, and landing pages that reflect your brand and work in practice.

Brand + conversion

Platform

Web applications

Online systems, dashboards, and platforms — including NestJS APIs and backend integrations.

Dashboard + API

Application

Mobile & desktop apps

iOS, Android, and desktop software with Flutter or the approach that fits the job.

iOS + Android + Desktop

CMS

WordPress & CMS

WordPress setup, themes, plugins, and content management you can maintain after launch.

Content + maintenance

Workflow

Custom software

Systems around real workflows — reporting, internal tools, and specialized domains.

Custom logic

Advisory

Software consulting

Advice on software planning, technology choices, and system design from real requirements.

Plan + architecture

Work

Projects we have shipped

A sample of work our team builds and maintains, from business websites to integrations and platforms used in day-to-day operations.

Tortoem Jai

Online mental health platform with educational content, guidance, and practical resources.

Scope: Web application, content platform, user experience
Outcome: Created an accessible mental-health content channel that can be operated and improved over time.

Web Application
Mental Health
Flutter

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Tortoem Jai × Mental Health Check-in

Integration so Check-in users who meet criteria can be referred to Tortoem Jai, while Tortoem Jai can pull user data and reports from Check-in.

Scope: API integration, referral flow, report data access
Outcome: Reduced manual handoff and helped both systems exchange useful user data.

Integration
Mental Health
API

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iTAS Solutions

Built and maintained a system-integrator company website for one year.

Scope: Corporate website, WordPress, maintenance
Outcome: Improved the company website presence and kept content support available after launch.

Website
WordPress

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ACoS

Built and maintained an IT infrastructure company website for one year.

Scope: Corporate website, WordPress, content support
Outcome: Made company and service information easier to access with ongoing post-launch care.

Website
WordPress

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Enterprise WiFi management

Web management to auto-generate WiFi codes, group users (guest / staff / external), integrate RADIUS, and support national-ID kiosks for code issuance.

Scope: Internal web management, RADIUS, kiosk workflow
Outcome: Structured WiFi code issuance, reduced repetitive work, and clarified user access groups.