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20+ yrs of global delivery

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20+ senior .NET devs

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100+ clients worldwide

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Australian Owned

Top Base draws on the legacy of Avaib, our sister/affiliate company serving 100+ global clients

Client-side Application Development

Create smarter digital experiences that keep users engaged

Looking for a digital solution that delivers both speed and a sleek experience? Client-side applications are what power today’s most responsive websites and platforms. They work directly in your user’s browser, offering smoother interactions and faster load times without constant back-and-forth with the server.

At Top Base, we help businesses across South East Melbourne create high-performing web apps that don’t just look good—they work brilliantly, too.

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Partnering with Topbase

Is this right for you?

You run a small or medium-sized business

You’re ready to modernise but don’t want the hassle of managing complex tech. With us, you get cost-effective front-end apps that perform beautifully—helping you serve your customers faster and better.

  • Use cases: booking systems, client dashboards, internal portals

You’re building a startup

You’ve got bold ideas and need to move fast. We help you launch MVPs and web apps that look sharp, scale easily, and impress users—without burning your budget.

  • Use cases: product prototypes, SaaS dashboards, interactive landing pages

You’re part of a large enterprise

You need enterprise-grade apps that are secure, scalable, and user-friendly. Whether you're rebuilding or expanding your digital front end, we help you deliver projects with speed and confidence.

  • Use cases: data dashboards, front-end rebuilds, integrated tools
Get a Free Quote
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Our Packages

What you get with our
client-side app services

Standard

Perfect for SMEs and early-stage startups
$39
  • Mobile-responsive single-page application (SPA)
  • UX/UI design (3–5 pages)
  • React or Vue.js development
  • Basic testing and performance tuning
  • 2 weeks of post-launch support
Choose Plan

Pro

Tailored for complex and enterprise-grade builds
$59
  • Custom architecture and animations
  • API integrations or CMS compatibility
  • Cross-browser optimisation
  • 1-month support with full documentation
Choose Plan

Add-ons

To enhance your build
$99
  • Backend integrations
  • CMS and headless CMS setup
  • SEO setup for SPAs
  • Hosting configuration
  • Ongoing maintenance & upgrades
Choose Plan

Bonuses to help you get started

  • Free UX audit for new clients
  • Startup Fast Track: MVPs delivered in 21 days
  • Bundle offer for SMEs: Get your website, branding, and client-side app built together—at a discounted rate
Why Choose Topbase?

Why Choose Us for Client-side app development?

Your website is essential to your business, and choosing the right partner for web design can make all the difference. Here’s why local businesses in Wantirna trust us:

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Based in South East Melbourne

Local support with global quality

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Built for performance

Every app is clean-coded and mobile-optimised

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Reliable results

We focus on delivering real, measurable outcomes

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Clear communication

No tech jargon, just great results

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Long-term value

Solutions that grow with your business

Testimonials

What our clients say
about us.

From clients we've worked with through Avaib, our partner company

Client

I have nothing but positive things to say about Top Base. We have dealt with his company as our sole software providers for over 18 years now with very few issues. I would recommend their services anytime.

Trevor B.

Founder, President & CEO, Quickcontractors.com Inc
Client

I have been doing work with Top Base since 2007 and have been very pleased with the level of service that I have received from this organization. Any time we have had something that needed to be addressed Top Base made sure that it was taken care of promptly and as efficiently as possible.

G R. Ford

Strategic Advisor, Kinetic GPO
Client

As a senior product manager, I have worked with numerous vendors, consultant agencies, and development teams. I confidently say this team stands out in terms of speed, quality, and return on investment. They took full ownership of the project, quickly adapted to a new industry, and consistently delivered on their promises. The team’s dedication and expertise were evident throughout, and I highly recommend them to any company, large or small, seeking support with their technical projects.

Leo Xu

Product Owner, Numeris
Client

The team at Topbase truly understands the meaning of partnership. They approached our project with a collaborative mindset, going above and beyond whenever needed. Their responsiveness and flexibility made a tremendous difference, and we could not have completed our project without them. I highly recommend Topbase for any software development needs.

Sherry McKillop

COO, RenterVibe.com
Client

Top Base has provided exceptional web development services to our company. They understood our needs and have been catering customized web solutions that have exceeded our expectations!

Ethan Johnson

Canada

Let’s build something your users will love

Whether you're launching something new or improving what you already have, we’re here to help your business succeed with smart, user-first technology.

Local to South East Melbourne | Trusted by businesses Australia-wide

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FAQs

Frequently
Asked Questions

It’s a type of web application that runs most of the logic in the browser. That means users get faster, more responsive experiences—ideal for anything from booking systems to SaaS dashboards.

An MVP can be live in 2–4 weeks. More complex builds depend on your features—but we always work to your timeline.

Yes. We either build it in-house or collaborate with your team or our trusted backend partners.

Absolutely. We offer flexible post-launch plans to keep your app secure, updated, and running smoothly.

While we’re proudly based in South East Melbourne, we partner with businesses across Australia.

Trusted by leading brands

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Top Base and Avaib are independently led but closely aligned companies, founded by members of the same leadership family. We closely collaborate on projects, and proudly share reviews from both brands.