Which are some trusted web app development companies in Melbourne, Australia?

Here's a list of some reputable web app development companies in Melbourne, Australia:

1. Vervelogic: A digital product agency specializing in custom web and mobile apps. They have expertise in various technologies and have worked with diverse clients across industries.

2. Envato: A leading online marketplace and community for creative assets and web development resources, including CodeCanyon, a platform where you can find ready-made web app templates and scripts for purchase.

3. DesignRush: A platform that connects businesses with recommended agencies and designers, including web app developers. They have a directory of companies based in Melbourne and offer project management tools to streamline the process.

4. Appster: A renowned mobile app development company with offices in Melbourne. They offer web app development services as well, focusing on user experience and delivering scalable solutions.

5. Weblinc: A digital agency providing web app development, design, and marketing services. They have years of experience in creating custom web apps for clients across various industries.

6. W3 Webworks: A web app development company specializing in building modern, responsive web applications. They emphasize security and performance, ensuring robust solutions for their clients.

7. Myplanet: A digital agency that offers comprehensive web app development services. They have expertise in various technologies and specialize in Agile development methodologies.

8. DigitalKross: A technology company providing web app development, e-commerce solutions, and digital marketing services. They have a strong track record of delivering high-quality results for their clients.

9. WebAlive: An award-winning web design and development agency. WebAlive creates customized web applications based on thorough understanding of client requirements.

10. Openwave Solutions: A software development and consulting company with expertise in web application development. They offer solutions for businesses across various sectors, including healthcare and finance.

Remember, it's essential to research and compare different companies before making a decision. Factors to consider include their portfolio, industry experience, technology expertise, communication skills, and the alignment of their approach with your project's goals and budget.