A Boutique Digital Agency Built for Businesses That Want Thoughtful, Reliable Tech

Founded in Adelaide in 2015, Tmatt Technology partners with Australian businesses to design, build and improve digital products that are practical, scalable and made to last.

Our Story

Tmatt Technology began on Fullarton Road in Kent Town, Adelaide, with a simple idea: good digital work comes from close collaboration, honest advice and a team that cares about outcomes, not just deliverables.

Since 2015, we've delivered more than 50 projects for over 20 Australian clients across hospitality, real estate, energy, health and construction. Some clients come to us for a new website or app. Others need a long-term technology partner who can help them modernise systems, improve operations or bring a new product to market.

Today, alongside our Adelaide base, we also work from Sydney and support businesses across Australia. Our work spans custom web platforms, mobile apps, WordPress builds, Ruby on Rails development, React applications and emerging AI solutions for SMEs.

We're now helping businesses explore practical AI integration — not hype, not gimmicks, but useful tools and workflows that save time, reduce manual work and create new opportunities for growth.

What We're Known For

Founded
2015 in Adelaide, South Australia
Clients
20+ Australian businesses across multiple industries
Projects
50+ digital projects delivered
Capabilities
Websites, apps, custom platforms, integrations & AI solutions
Team
A close-knit group of developers, designers & digital specialists

How We Work

We work best with businesses that want more than a supplier. Our role is to understand your goals, guide the technical decisions and stay accountable from planning through to launch and beyond.

👥

Small Teams, Senior Attention

We keep our team lean on purpose. That means less handballing, faster decisions and direct access to experienced people who understand both the technical detail and the bigger picture.

🤝

Close Collaboration

The best results come from working together. We take time to understand your business, your customers and your constraints so the final solution feels right in practice, not just on paper.

🔧

Long-Term Support

Launch is only the beginning. We support clients with ongoing improvements, maintenance, integrations and strategic advice so their digital platforms continue to evolve with the business.

Sunny Zhou, Director of Tmatt Technology

Sunny Zhou

Founder & Director

Sunny is the director of Tmatt Technology and a hands-on full-stack developer with more than 10 years of experience building digital products for Australian businesses.

His background spans websites, mobile apps, custom business systems and large-scale platforms — from point-of-sale systems for a 9-store massage chain through to a major energy project website supporting a 1.3GW pipeline.

What clients value most is Sunny's ability to bridge business needs and technical execution. Around him is a trusted team that includes co-founder Chao Wang in brand and marketing, along with engineers and designers who bring each project to life.

Our Team

A close-knit group of developers, designers and digital specialists who care about doing great work.

SZ

Sunny Zhou

Director

Full-stack developer, 10+ years. Digital strategy & product vision.

CW

Chao Wang

Co-founder

Brand operations, marketing strategy, graphic design & photography.

XY

Xingyu Ye

Senior Engineer

Full-stack developer. Ruby on Rails, PHP, React & more.

SC

Shuaixin Chen

Business Analyst

Requirements, UI implementation, iOS & Android development.

LH

Limin Huang

Software Engineer

Front-end development, code maintenance & quality assurance.

EJ

Eric Jukic

Project Manager

Project planning, team coordination & delivery management.

ES

Ethan Sleiman

UI Designer / Dev

Interface design, responsive development & visual experiences.

GL

Gary Li

Web Developer

Web applications, performance optimisation & responsive design.

Our Brands

Two focused brands, one collaborative approach

Tmatt Technology and YiJun Creative operate as two focused brands under the same ownership — one for technology, one for creative.

Tmatt Technology

Technology & Development

  • • Web & App Development
  • • AI Solutions & Automation
  • • SEO & Digital Marketing
  • • Custom Business Systems
View services →
YiJun Creative
Sister Brand

Branding & Creative

  • • Brand Identity & Strategy
  • • Visual Design & Direction
  • • Graphic Design & Print
  • • Creative Consulting
Visit yijun.com.au

Clients can work with either brand independently, or engage both when a project needs both technical delivery and creative support.

Where to Find Us

Based in Adelaide and working with clients across Australia. Whether local or interstate, our focus stays the same: responsive communication, quality work and a genuine long-term partnership.

Adelaide (HQ)

Where Tmatt Technology was founded in 2015.

Sydney

Supporting clients and projects across the east coast.

Get a Free Quote →