Custom Web Application Development

We build custom web applications in Kuala Lumpur for businesses that need more than a standard website. From booking systems and dashboards to portals, CRM workflows and internal tools, each platform is designed around your actual process.

Key Capabilities:
• Custom business workflow systems
• Secure admin panels and user portals
• Scalable backend development
• API and third-party system integration

Web Application Development
Launch Your Web App Now

Website Design & CMS Development

Work with a website designer in Kuala Lumpur that builds professional, fast-loading and SEO-ready websites. With UnoCMS, your team can update pages, images, news and content without needing a developer for every small change.

Key Capabilities:
• Custom website design, not templates
• Easy-to-use CMS for self-managed
• Mobile responsive layout
• SEO-friendly page structure

Website Design
Build My Website

Mobile App Development (iOS & Android)

Our mobile application developer team builds iOS and Android apps for businesses that want a smoother mobile experience for customers or staff. This includes booking apps, ecommerce apps, loyalty apps, service apps and internal business tools.

Key Capabilities:
• iOS and Android app development
• Clean and simple user experience
• Integration with existing systems
• Built for speed and usability

Mobile Application
Plan My App

Ecommerce Development & Shopping Cart Solutions

We build ecommerce websites and shopping cart solutions for businesses that need more control over products, checkout, payments and customer experience. Our ecommerce platforms are designed to be secure, easy to manage and ready to grow.

Key Capabilities:
• Custom product and checkout flow
• Payment gateway integration
• Inventory and order management
• SEO-ready product pages

E-commerce
Start Selling Online

More Ways UNO Can Help

Beyond websites and apps, UNO builds subscription software products, connects your business systems through APIs, and provides technical leadership for startups and growing companies.

SaaS Development

Multi-tenant SaaS platforms with subscription billing, customer onboarding and super-admin dashboards, built to scale from MVP to enterprise.

Explore SaaS Development

Custom API Integration

Connect your website, app or store to payment gateways, logistics providers, ERP, CRM and other third-party systems with custom API integration.

Explore API Integration

CTO as a Service

Hire UNO as your CTO for technology strategy, architecture and development management on a monthly retainer, with a full in-house team behind you.

Explore CTO as a Service

Why Businesses Choose UNO for Web and App Development?

UNO is a web and app development company in Kuala Lumpur with more than 21 years of experience in building custom websites, mobile apps, e-commerce platforms, and business web applications. Since 2005, we have completed over 900 projects for clients in Malaysia and across 26 countries. Our work covers SMEs, growing businesses, listed companies, government-linked organisations, and multinational brands. We focus on building digital solutions that are practical, reliable, scalable, and designed around real business goals.

Our Approach

We take a consultative approach to every project. By understanding your business, target audience, and growth objectives, we create custom web and mobile solutions that not only look impressive but also perform exceptionally. Our process ensures responsive design, SEO optimisation, and seamless functionality across devices.

Industries We Serve

Our work spans industries such as hospitality, banking, retail, education, healthcare, and non-profits in Malaysia. We have partnered with organisations like Hilton, Bank Islam, Grab, and Cancer Research Malaysia to deliver impactful digital platforms that support their operations and enhance customer engagement.

Client Success Stories

From building secure e-commerce platforms for Malaysian retailers to developing custom mobile apps for Kuala Lumpur businesses, our track record speaks for itself. Clients trust us because we provide consistent results, transparent communication, and long-term support after launch.

Get in Touch

Looking for a web development company in Kuala Lumpur that can deliver results? Contact UNO today to discuss how we can help your business succeed with a custom website, mobile application, or e-commerce platform built to match your goals.

21

years in business, since 2005

900+

projects delivered across Malaysia and worldwide

26

countries where our clients operate

4

industry awards and recognitions
See our works

Recent Projects

Real systems built for real business needs
Empire Sushi
Mr Diy
Floor Depot 2u
KCC Paint Malaysia
Grab
Bus Buddy
Bank Islam
Cancer Research
e-Pay
GHL
My Car
Securities Commission
Upin & Ipin
MrDiy
MrDiy
Floor Depot 2u
KCC Paint Malaysia
Grab
Bus Buddy
Bank Islam
Cancer Research
IFSB
Factory Eyeware
My Car
Securities Commission
Find.agency

Client testimonials

MR D.I.Y. logo
Shane
Mr.Diy
⭐⭐⭐⭐⭐
Working with UNO & Team was really good. The results are amazing!
Cancer Research Malaysia logo
Yong Quan
Cancer Research Malaysia
⭐⭐⭐⭐⭐
Thank you, UNO, for helping to bring our idea to life! Amazing effort indeed!
Grab logo
Aliyas Zakaria
Grab
⭐⭐⭐⭐⭐
It has been a pleasant experience so far working with UNO. They are understanding and responsive.
Sendayu Tinggi logo
Azreen Don
Sendayutinggi.com
⭐⭐⭐⭐⭐
Well experienced team with great technical supports and after sales service.
British Malaysian Chamber of Commerce logo
Syahirah
British Malaysian Chamber of Commerce
⭐⭐⭐⭐⭐
On behalf of BMCC, I would to say thank you! The CMS made it simple as it's very user friendly.
LATAR Highway logo
Hairunnisa
LATAR Highway
⭐⭐⭐⭐⭐
The result is just awesome and we are truly satisfied! Thank you.
GHL Systems Berhad logo
Clair Leong
GHL Systems Berhad
⭐⭐⭐⭐⭐
The CMS built for our companies' websites are user-friendly.
Hilton Kuala Lumpur logo
Ee Laine
Hilton KL
⭐⭐⭐⭐⭐
The services provided by the Uno TO us top-notched, quick and efficient!
Superia Comics logo
Sufri Sufian
superiacomics.com
⭐⭐⭐⭐⭐
Awesome designs, great customer service and timely delivery.
More Testimonials

Accredited and recognised by:

Malaysia Website Award
The Brand Laureate BestBrands 2018
SME 100 Fast Moving Companies 2019
AWS Partner Network — Independent Software Vendor
View our achievements

Trusted by companies across Malaysia

  • Bank Islam Malaysia — built by UNO
  • MR D.I.Y. — built by UNO
  • Empire Sushi — built by UNO
  • Institute of Corporate Directors Malaysia (ICDM) — built by UNO
  • Floor Depot — built by UNO
  • GHL Systems Berhad — built by UNO
  • Securities Commission Malaysia (SCxSC) — built by UNO
  • PBS — built by UNO
  • SSWFF — built by UNO
  • Grab — built by UNO
  • Oriental Food Industries — built by UNO
  • KCC Paint — built by UNO
  • e-pay Malaysia — built by UNO
  • Sapura Baker Hughes — built by UNO
  • Affin Hwang Capital — built by UNO
  • Baker Tilly — built by UNO
  • LATAR Highway — built by UNO
  • Asia Pacific University (APU) — built by UNO
  • PKNP — built by UNO
  • Selangor Invest — built by UNO
View more

Website Design, Web Development and App Development FAQ

How much does website design and web development cost in Malaysia?
Pricing depends on the number of pages, design depth, CMS requirements, integrations, multilingual content and whether the project is a standard website or a custom web application. UNO scopes each project based on the actual business requirement, so you get a realistic quotation instead of a generic package.
Do you provide website design and web development in Kuala Lumpur?
Yes. UNO is based in Mont Kiara, Kuala Lumpur and provides website design, web development, custom web application, mobile app and ecommerce development services for businesses across Malaysia.
Can UNO build both websites and custom web applications?
Yes. We build corporate websites, CMS websites and custom web applications such as booking systems, customer portals, admin dashboards, approval workflows, reporting tools and business platforms.
Can UNO build iOS and Android mobile apps?
Yes. Our mobile app developer team supports iOS and Android app development, including customer apps, ecommerce apps, loyalty apps, booking apps and internal workforce applications. We also handle backend API integration when the app needs to connect with a website, CRM, ERP or custom system.
Do you provide ecommerce development and shopping cart solutions?
Yes. UNO builds ecommerce websites and shopping cart solutions with product catalogue management, checkout flow, payment gateway integration, order management, promotion logic and reporting.
Why choose a local Kuala Lumpur web developer?
A local web developer makes requirement discussions, training, revisions and support easier. This is especially useful for custom projects that involve multiple stakeholders, business workflows, integrations and long-term improvements after launch.
Do you offer support after the project launches?
Yes. UNO provides post-launch support and maintenance for websites, web applications, mobile apps and ecommerce systems, including troubleshooting, updates, enhancements and third-party issue escalation.